US20060032165A1 - Retrofit timber post bracket - Google Patents

Retrofit timber post bracket Download PDF

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Publication number
US20060032165A1
US20060032165A1 US10/916,951 US91695104A US2006032165A1 US 20060032165 A1 US20060032165 A1 US 20060032165A1 US 91695104 A US91695104 A US 91695104A US 2006032165 A1 US2006032165 A1 US 2006032165A1
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Prior art keywords
post
bracket
plate
spacing
foundation
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Abandoned
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US10/916,951
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Timothy Griffith
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Individual
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Individual
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Priority to US10/916,951 priority Critical patent/US20060032165A1/en
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/32Foundations for special purposes
    • E02D27/42Foundations for poles, masts or chimneys
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/22Sockets or holders for poles or posts
    • E04H12/2253Mounting poles or posts to the holder
    • E04H12/2269Mounting poles or posts to the holder in a socket
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/22Sockets or holders for poles or posts
    • E04H12/2292Holders used for protection, repair or reinforcement of the post or pole

Definitions

  • the present invention generally relates to securing a post to a foundation, and more particularly to a method and device to secure a timber post in an existing concrete foundation.
  • Wood structures are commonly secured to the ground by connecting posts to the ground through a concrete foundation.
  • one method of securing fence posts is by a poured concrete foundation that sets the post in concrete.
  • Poured concrete foundations are formed by digging a hole in the ground that is roughly three times the diameter of the post and one-third of the post length, filling the hole with several inches of gravel, positioning and restraining the post in the ground in the desired final position, pouring concrete into the hole, and then removing the post restraints after the concrete has dried.
  • Poured concrete foundations improve the structural integrity of the structure and, in the case of timber posts, provide protection of the post and wood structure from earth dwelling insects or fungi.
  • FIG. 1 shows a cut-way of a prior art post and poured concrete foundation.
  • Post P typically has a square cross section W on a side.
  • Post P extends above a surface S above ground G, and is embedded a depth D below the surface in a recess R of a concrete foundation F.
  • the support of foundation F is provided by the extension of the foundation by a depth Y below the bottom of post P, and has a radius X at surface S that is several times the width W.
  • post P is sufficiently far above surface S, it may be possible to remove damaged portions of the wood from the post and splice an extension to the post remaining in the foundation. If the damage is close to or below surface S, or if it is not desirable or possible to splice an extension to the post, then post P and foundation remaining F are typically removed, and a new foundation is poured about a new support post.
  • the present invention overcomes the disadvantages of prior art by providing an apparatus and method for using the existing concrete foundation when repairing a poured concrete post foundation.
  • the inventive apparatus and method requires less time and is less expensive than those available in the prior art.
  • the post bracket has a timber receiving portion to accept a new post and foundation support portion for insertion and mechanical securing to the recess of the foundation.
  • It is another aspect of the present invention to provide a bracket for attaching a timber post to a recess of a foundation including a first portion for attaching to the timber post and a second portion having at least one pair of outwards facing, and a second portion including opposed surfaces having a first spacing and a mechanism to increase the spacing of the surfaces.
  • the first portion includes two opposing surface and at least one pair of holes through the opposing surfaces, thus providing for attachment of the timber post.
  • each of the opposed surfaces is a portion of an elongated member having a first end proximal the first portion and a second end.
  • the mechanism includes a first plate having an internally threaded hole and a width greater than the first spacing, a second plate rigidly connected to the second portion proximal the first portion and having a hole, and a bolt having a head supported on the second plate and a body passing through the second plate and threadably attached to the first plate.
  • the rotation of the bolt to decrease the spacing between the first and second plates increases the spacing of the surfaces.
  • the second portion is adapted to fit within the shape of a standard size timber post, such as a 4′′ ⁇ 4′′ post.
  • brackets for attaching a timber post to a recess of a foundation where the bracket includes a first portion for attaching to the timber post, and a second portion including at least one pair of outwards facing, opposed members having a first end proximal the first portion and a second end, and a first spacing at the a first end proximal the first portion, and a mechanism to increase the spacing between the at least one pair of opposed members.
  • the elongate portion when moved, provides a resistive force to the movement of the connector from the recess.
  • the method includes placing the foundation receiving portion of the post bracket in the recess, mechanically securing the foundation receiving portion in the recess, and mounting the post to the timber receiving portion of the post bracket. Additionally the method includes first exposing the recess of the existing foundation.
  • FIG. 1 is a perspective cut-way view of a prior art post and poured concrete foundation
  • FIG. 2 is a cross-sectional side view of one embodiment post bracket attaching a post to a foundation;
  • FIGS. 3A-5 are views of one embodiment post bracket of the present invention, where FIG. 3A is a first side view, FIG. 3B is a second side view; FIG. 4 is a top view and FIG. 5 is a bottom view;
  • FIGS. 6-9 are cross-sectional views of one embodiment post bracket of the present invention, where FIG. 6 is a side sectional view 6 - 6 of FIG. 3A , FIG. 7 is a side sectional view 7 - 7 of FIG. 3B , and FIGS. 8 and 9 are a top sectional views 8 - 8 and 9 - 9 , respectively, of FIG. 3B ;
  • FIGS. 10A and 10B are side views of the elongate member corresponding to the views of FIGS. 3A and 3B , respectively;
  • FIG. 11 is a top view of the upper foundation plate
  • FIGS. 12A and 12B are side views of the cap corresponding to the views of FIGS. 3A and 3B , respectively;
  • FIG. 13 is a detail 13 - 13 from FIG. 6 ;
  • FIGS. 14A-14E are views of a channel used to form the elongate member, where FIGS. 14A and 14B are orthogonal side views, and FIG. 14C is a top view and FIG. 14D is a bottom view, and FIG. 14E shows the channel cut and folded;
  • FIGS. 15A and 15B are sectional views 6 - 6 and 7 - 7 , respectively, showing the deformation of the foundation support portion after a first tightening of the bolt;
  • FIGS. 16A and 16B are sectional views 6 - 6 and 7 - 7 , respectively, showing the deformation of the foundation support portion after a further tightening of the bolt;
  • FIGS. 17A-17F are sectional side views illustrating one method of using the post bracket of the present invention, where FIG. 17A shows an existing foundation prepared for the post bracket, FIG. 17B shows the foundation support portion fit within the foundation recess, FIG. 17C shows the tightening of the bolt to secure the post bracket in the foundation, FIG. 17D shows the cap placed on the plate, FIG. 17E shows the replacement post placed within the timber receiving portion; and FIG. 17F shows the replacement post secured to the existing foundation.
  • the present invention provides a device and method for repairing damaged foundations formed by setting a post with concrete without the need for replacing existing concrete foundations or piers.
  • the present invention provides a device and method for repairing the foundation prior to replacing a structure without the necessity of removing and replacing the concrete.
  • the present invention provides a post bracket having a first portion that can be inserted into the space previously occupied by the old timber post previously poured foundation and a second portion that can secure a new timber post.
  • FIG. 2 is a cross-sectional side view of an embodiment of post bracket 200 of the present invention after a new, replacement post P′ is secured in the existing foundation F.
  • Post bracket 200 includes a first portion, also referred to herein as a timber receiving portion 210 and a second portion, also referred to herein as a foundation support portion 220 .
  • post bracket 200 to replace post P includes removing the post to expose recess R, inserting and mechanically securing foundation support portion 220 of the post bracket into the recess, and attaching a new post P′ to timber receiving portion 210 of the post bracket.
  • foundation support portion 220 has a first configuration that allows the portion to be inserted into recess R and a second configuration that forces the sides of the portion outwards and against the recess to secure the post bracket in the foundation.
  • structural components of post bracket 200 are constructed of galvanized steel, stainless steel, or reinforced aluminum of sufficient thickness and dimension to provide structural support.
  • post bracket 200 which are not meant to limit the scope of the present invention, provide a device for performing the functions of accepting a timber post, including but not limited to a fence post, and securing the post bracket into a foundation.
  • the dimensions and shapes provided are for illustrative purposes and are not meant to limit the scope of the present invention.
  • Post bracket 200 is shown in greater tail in FIGS. 3-9 , where FIG. 3A is a first side view of the post bracket, FIG. 3B is a second side view of the post bracket that is orthogonal to the view of FIG. 3A , FIG. 4 is a top view of the post bracket, FIG. 5 is a bottom view of the post bracket, FIGS. 6 and 7 are sectional side views of FIGS. 3A and 3B , respectively, and FIGS. 8 and 9 are sectional top views of FIG. 3B . With reference to FIGS. 3A is a first side view of the post bracket, FIG. 3B is a second side view of the post bracket that is orthogonal to the view of FIG. 3A , FIG. 4 is a top view of the post bracket, FIG. 5 is a bottom view of the post bracket, FIGS. 6 and 7 are sectional side views of FIGS. 3A and 3B , respectively, and FIGS. 8 and 9 are sectional top views of FIG. 3B . With reference to FIGS.
  • post bracket 200 includes a longitudinal elongate member 202 that extends from a first end 201 to a second end 223 , an upper foundation plate 205 , a cap 207 adapted to fit on the plate and having a cap surface 209 , a lower foundation plate 230 , and a bolt 240 that spans the distance from the upper to lower foundation plates.
  • FIGS. 10A and 10B Further illustrations of post bracket 200 are shown in FIGS. 10A and 10B as two side views of elongate member 202 corresponding to the views of FIGS. 3A and 3B , respectively, FIG. 11 as a top view of plate 205 , FIGS. 12A and 12B as two side view of cap 207 corresponding to the views of FIGS. 3A and 3B , respectively, and FIG. 13 as a detail of plate 230 from FIG. 6 .
  • timber receiving portion 210 includes a pair of opposing sides 215 of elongate member 202 having a length A 3 from first end 201 to cap surface 209 and a width of A 2 .
  • Sides 215 indicated individually as side 215 a and 215 b , are separated by a distance A 1 and each have timber mounting holes 217 a and 217 b that are aligned across sides 215 .
  • Timber receiving portion 210 is preferably sized to receive a length A 3 of a timber post of a specific size or range, such as standard post sizes between sides 215 , as shown in FIG. 2 , for example.
  • sides 215 and placement of holes 217 allow a timber post of a given size to be inserted and attached to the pair of sides 215 , for example by drilling holes through an inserted post aligned with the holes and securing the post to the post bracket with bolts.
  • Sides 215 can either be straight or may have a slight inwards bow along their length to help restrain a received post.
  • a timber receiving portion adapted to accept a nominal 4′′ ⁇ 4′′ timber post which has an actual dimension of 31 ⁇ 2 inches on a side, has a spacing A 1 that is slightly larger than 31 ⁇ 2 inches, has a width A 2 that is preferably less than a side of the 4 ⁇ 4, for example from 2 inches to 3 inches in width, and a length A 3 that is sufficiently long to allow 2 or more holes with a spacing approximately equal to the width of the post.
  • a 3 is preferably from 6 to 8 inches long, having holes 217 to accept a half inch bolt and spaced approximately 4 inches apart.
  • sides 215 are formed from galvanized steel having a thickness of from 1 ⁇ 8 inch to 1 ⁇ 4 inch, and more preferably that the thickness be 3/16 inches.
  • holes 217 are arranged in other matching patterns on opposing sides 215 to facilitate the attachment of a post to post bracket 200 , and in another alternative embodiment, two pair of opposing sides are provided to restrain an inserted post on all four sides.
  • plate 205 Support and spacing for sides 215 and cap 207 are provided by plate 205 .
  • plate 205 has a pair of slots 701 spaced a distance A 1 and each sized to accept one of the pair of sides 215 by having a length that is slightly larger than width A 2 and a width slightly larger than the thickness of sides 215 .
  • Cap 207 as shown in FIGS. 12A and 12B , has a pair of mutually opposing sides 601 attached to transverse cap surface 209 and having a wide portion 1201 of length H and a narrow portion 1203 .
  • plate 205 has a pair of slots 603 . The pair of narrow portions 1303 fit within slots 603 to support cap 207 on the plate with spacing H.
  • Plate 205 is preferably formed from a steel plate, for example a plate 41 ⁇ 4 inch square and 3/16 inch thick.
  • elongate member 202 extends from plate 205 through a shoulder 221 a distance C 2 to second end 223 .
  • Foundation support portion 220 includes four surfaces 225 of elongate member 202 that form two pairs of mutually opposing and outwards facing surfaces 225 a and 226 b , as shown in FIG. 5 , and that each extend from a portion having a size W 2 ⁇ W 2 , as indicated in FIG. 8 , and have a length C 1 from a plane 227 to second end 223 .
  • the cross-sectional shape of sides 215 and elongate member 202 from shoulder 221 to second end 223 is bound within a square having sides W 1 , as is shown in FIGS. 6, 7 , and 9 , and the thickness of elongate member 202 at surfaces 225 is t as is shown in FIG. 13 . It is important that the cross-section of foundation support portion 220 fits than the width W of the intended recess R and that the length C 2 is less than the length D. It is preferable that the difference between W and W 1 be great enough so that foundation support portion 220 easily fits within recess R.
  • Foundation support portion 220 also includes, as is shown in FIG. 6 , bolt 240 that has a head 611 , a body 613 that is at least partially threaded, and an end 241 .
  • plate 205 has a hole 605 that accepts body 613 while providing support for head 611 .
  • the distance H of cap 207 is selected to allow the cap to sit on plate 205 and not rest on head 611 .
  • Body 613 is also threadably connected to plate 230 , as is shown in greater detail in FIGS. 13 .
  • Plate 230 has a first side 231 facing away from plate 205 and an opposing side 233 facing the plate.
  • a threaded nut 607 is attached to side 233 , preferably by welding, and is aligned with a hole 609 in plate 230 .
  • a threaded portion of body 613 threadably engages nut 607 .
  • Rotation of head 611 can thus place bolt 240 in tension and pull plate 230 towards plate 205 .
  • bolt 240 is a galvanized course thread 3 ⁇ 4 inch ⁇ 6 inch bolt.
  • the diameter of holes 605 and 609 and the threads of nut 607 are chosen to match bolt 240 . For example, holes 605 and 609 sized to receive a 3 ⁇ 4 inch bolt have diameters of 7 ⁇ 8 inch.
  • FIG. 13 also shows detail of edges 1301 and 1303 of plate 230 .
  • Plate 230 is preferably formed from a steel plate, for example a U ⁇ U square, 3/16 inch thick plate.
  • Edge 1301 is formed from the side of the plate and is perpendicular to side 231 , and edge 1303 is angled relative to edge 1301 and side 233 .
  • edge 1303 form an angle of 45 degrees relative to edge 1301 and side 233
  • plate 230 is sized such that ends 223 contact edge 1303 .
  • the dimensions W 1 , W 2 , U, and t are selected relative to W to permit foundation support portion 220 to easily be inserted into recess R, and for the geometry to be changed by rotating bolt 240 to secure the
  • FIGS. 14A-14E where FIGS. 14A and 14B are orthogonal side views of the steel channel, and FIG. 14C is a top view and FIG. 14D is a bottom view of the channel, and FIG. 14E shows the channel cut and folded.
  • FIGS. 14A-1D have marks indicating cuts and folds used to produce elongate member 202 . Lines 1401 , 1403 , 1405 , and 1407 show cuts to the corners of channel 1400 that form surfaces 225 .
  • Lines 1409 and 1411 show cuts to the corners and sides of channel 1400 that produce planar sides 215 .
  • Lines 1413 and 1415 indicate fold lines used to form shoulder 211 .
  • FIG. 14E shows the part resulting from the cuts and folds of FIGS. 14A-14D that can subsequently be used to form elongate member 202 .
  • FIG. 14E also shows a slight bowing of the ends 223 . This bowing can result from the release of stress from within channel 1400 when it is cut. It is important that the cross section of the resulting channel fit within a desired cross-sectional area, for example a square having sides W.
  • Post bracket 200 includes a mechanism for expanding the outer dimension of the cross-section of foundation support portion 220 .
  • post bracket 200 has an initial configuration, shown in FIGS. 3A and 3B , where plate 230 is beyond ends 223 , where the configuration allows foundation support portion 220 to fits within a recess of size W.
  • bolt 240 is rotated in a direction that reduces the spacing between plate 230 and plate 205 , plate 230 moves upwards along elongated member 202 , increasing the spacing of surfaces 225 . This movement results in a deformation of surfaces 225 , specifically of a bending of each side from position.
  • FIGS. 15A and 15B are illustrated in a first set of FIGS. 15A and 15B , where the bolt is turned a first amount, resulting in the displacement of plate by a distance Z 1 to the position shown as plate 230 a .
  • the angled edge 1303 of plate 230 is positioned to contact ends 223 .
  • surfaces 225 bend outwards from plane 227 , having a dimension W 2 as shown in FIG. 8 , and continue to contact either edge 1301 or 1303 , with a separation that increases with the displacement of the plate.
  • ends 223 are displaced by a distance Q 1 , to a total separation of W.
  • FIGS. 16A and 16B The further tightening of bolt 240 is shown in FIGS. 16A and 16B , where the position of the plate in FIGS. 6 and 7 is indicated as the phantom plate 230 .
  • bolt 240 is turned a greater amount, resulting in the displacement of plate by a distance Z 2 as indicated by plate 230 b .
  • surfaces 225 bend from plane 227 outwards a greater distance.
  • the lateral displacement of surfaces 225 indicated as a distance Q 2 , increases the spacing between opposing ends 233 to a distance greater than W. If post bracket 200 were in a recess of size W, foundation support portion 220 would be laterally expanding to secure the post bracket in the recess.
  • width W is greater than width W 1 , permitting foundation support portion 220 to be inserted into recess R, the combined width of plate 230 and the thickness of elongated member 202 adjacent sides 225 (that is, U+2t) is less than the width W to permit plate 230 to traverse the foundation support portion while it is inserted in the recess, and the dimensions U, t, W 2 , and C 1 allow the edges of the foundation support portion to extends at least to the edges of the recess.
  • a value of W 1 from 3 to 31 ⁇ 4 inches provides adequate space for inserting foundation support portion 220 into recess R.
  • ends 233 have a separation that is greater than W 1 and less than W
  • ends 223 have a separation greater than W.
  • the portion of elongated member 202 adjacent surface 225 from the displaced plate 230 to ends 223 can act as spring when placed in a recess of dimension W.
  • FIG. 17A shows an existing foundation is prepared for the post bracket. This is accomplished by removing post P the post from foundation F which may be accomplished, for example, by cutting the post flush with the foundation with a reciprocating say and corresponding 8 inch or longer wood blade, and then using a 3 inch drill bit such as a masonry drill bit and a heavy duty drill to remove the timber to a depth of 61 ⁇ 2 inch, and finally removing the remaining material with a chisel.
  • foundation support portion 220 is placed with recess R, as shown in FIG. 17B .
  • bolt 240 is tightened, resulting in the movement of plate 230 to position 230 b .
  • this amount of tightening expands unconstrained ends 223 to a separation greater than the recess width W. Since foundation support portion 220 is within recess R, the displacement of plate to position 230 b forces surfaces 225 against recess R, securing post bracket 200 in foundation F.
  • the position and orientation of post bracket 200 can be adjusted and, if the position is not quite correct, the bolt can be loosened and the position can be further adjusted.
  • cap 207 is placed over bolt head 611 , providing a horizontal surface 207 .
  • a new post P is next placed on top of surface 207 and within timber receiving portion 210 ( FIG. 17E ).
  • holes H 1 and H 2 are drilled through holes 217 and post P 1 and bolts B 1 and B 2 are used to secure the post to post bracket 200 .
  • post bracket 200 can be adapted to accept timber of any size and to fit with a recess of any size.
  • post bracket 200 can be adapted to accept timber of any size and to fit with a recess of any size.
  • the device and method has been described with reference to use with 4′′ ⁇ 4′′ timber posts.
  • the device and methods are easily modified for use with 3′′ ⁇ 3′′, 4′′ ⁇ 6′′, and 6′′ ⁇ 6′′ posts by adjusting the dimensions of the device accordingly.
  • Timber support portion 210 can include devices other than bolts to secure a post, and can also present surfaces to the post that restrict movement, such as a rough surface.
  • Foundation support portion 220 can provide for other types of mechanical restraints within a recess.
  • foundation support portion can provide for lateral expansion to the sides of the recess by a bolt that expands a scissor-like expandable mechanism, or by a mechanism that moves one side.
  • the timber support portion and foundation support portion may be formed from separate pieces that are welded or otherwise joined together.
  • the functions of the timber support portion and the foundation support portions can have overlapping components or pieces to any extends. Steps for the use of the post bracket may be added, deleted, or rearranged to methods described within the scope of the present invention.

Abstract

The repair of foundations formed by pouring concrete about a timber post is greatly simplified by the present invention. A post bracket is provided having a first portion that can be inserted into and mechanically restrained in the recess of an existing foundation, for example a foundation wherein a rotted old post has been removed. The post bracket also has second portion to which a new post can be attached. The post bracket is used by clearing out the old post, inserting the first portion and securing the bracket, and then attaching the post. The inventive bracket and method greatly reduce the time and expense construction compared with the prior art method of replacing foundations.

Description

    BACKGROUND OF THE INVENTION
  • 1. Field of the Invention
  • The present invention generally relates to securing a post to a foundation, and more particularly to a method and device to secure a timber post in an existing concrete foundation.
  • 2. Discussion of the Background
  • Wood structures are commonly secured to the ground by connecting posts to the ground through a concrete foundation. Thus, for example, one method of securing fence posts is by a poured concrete foundation that sets the post in concrete. Poured concrete foundations are formed by digging a hole in the ground that is roughly three times the diameter of the post and one-third of the post length, filling the hole with several inches of gravel, positioning and restraining the post in the ground in the desired final position, pouring concrete into the hole, and then removing the post restraints after the concrete has dried. Poured concrete foundations improve the structural integrity of the structure and, in the case of timber posts, provide protection of the post and wood structure from earth dwelling insects or fungi.
  • Even with the added protection of a concrete foundation, the integrity of posts degrades over time, for example as the result of termites or dry rot. Thus, for example, a fence may require replacement due to dry rot. If the existing foundation cannot be reused, prior art techniques call for the entire fence to be dismantled and rebuilt with the piers located at different locations. Alternatively the piers are removed, disposed of, and re-poured to allow fence panels to be reused.
  • An example of a post needing replacement is illustrated in FIG. 1, which shows a cut-way of a prior art post and poured concrete foundation. Post P typically has a square cross section W on a side. Fence posts, for example, are typically constructed using 4″×4″ posts, which have an actual cross-section that measures W=3½ inches on a side. Post P extends above a surface S above ground G, and is embedded a depth D below the surface in a recess R of a concrete foundation F. The support of foundation F is provided by the extension of the foundation by a depth Y below the bottom of post P, and has a radius X at surface S that is several times the width W. When post P is damaged, there are several prior art options for providing a foundation for a new structure. If the damage to post P is sufficiently far above surface S, it may be possible to remove damaged portions of the wood from the post and splice an extension to the post remaining in the foundation. If the damage is close to or below surface S, or if it is not desirable or possible to splice an extension to the post, then post P and foundation remaining F are typically removed, and a new foundation is poured about a new support post.
  • While the demolition and replacement of a foundation is effective, there are several problems with this method. First, the process is time consuming. The replacement of the foundation requires time to remove and dispose of the old foundation, and additional time to set a replacement post in concrete. Second, there may be space limitation near the fence posts that make removal and replacement problematic. For example, construction or plants added after the original post was put in place may make it difficult to set a post in the old position.
  • Thus there is a need in the art for a method and apparatus that permits for the easy replacement of damaged support posts. Such a method and apparatus should be easy to implement, should not be significantly more expensive that standard demolition and disposal techniques, and should be compatible with conventional construction materials.
  • BRIEF SUMMARY OF THE INVENTION
  • The present invention overcomes the disadvantages of prior art by providing an apparatus and method for using the existing concrete foundation when repairing a poured concrete post foundation. The inventive apparatus and method requires less time and is less expensive than those available in the prior art.
  • It is one aspect of the present invention to provide a post bracket that allows for the retrofitting of a new post into the recess of the foundation of an old post. In one embodiment of the present invention, the post bracket has a timber receiving portion to accept a new post and foundation support portion for insertion and mechanical securing to the recess of the foundation.
  • It is another aspect of the present invention to provide a bracket for attaching a timber post to a recess of a foundation including a first portion for attaching to the timber post and a second portion having at least one pair of outwards facing, and a second portion including opposed surfaces having a first spacing and a mechanism to increase the spacing of the surfaces. In one embodiment of the present invention, the first portion includes two opposing surface and at least one pair of holes through the opposing surfaces, thus providing for attachment of the timber post. In another embodiment of the present invention, each of the opposed surfaces is a portion of an elongated member having a first end proximal the first portion and a second end. The mechanism includes a first plate having an internally threaded hole and a width greater than the first spacing, a second plate rigidly connected to the second portion proximal the first portion and having a hole, and a bolt having a head supported on the second plate and a body passing through the second plate and threadably attached to the first plate. The rotation of the bolt to decrease the spacing between the first and second plates increases the spacing of the surfaces. Preferably, the second portion is adapted to fit within the shape of a standard size timber post, such as a 4″×4″ post.
  • It is yet another aspect of the present invention to provide a bracket for attaching a timber post to a recess of a foundation, where the bracket includes a first portion for attaching to the timber post, and a second portion including at least one pair of outwards facing, opposed members having a first end proximal the first portion and a second end, and a first spacing at the a first end proximal the first portion, and a mechanism to increase the spacing between the at least one pair of opposed members.
  • It is one aspect of the present invention to provide a bracket for attaching a timber post to a recess of a foundation, where the bracket includes a first portion for attaching the timber post, and a second portion including an elongate portion attached to the first portion and having a shape to allow acceptance by the recess with the first portion protruding above the recess, and a mechanism to move at least a portion of the accepted elongate portion against the recess. The elongate portion, when moved, provides a resistive force to the movement of the connector from the recess.
  • It is yet another aspect of the present invention to provide a method of mounting a post in an existing poured concrete foundation using a post bracket having a timber receiving portion and a foundation securing portion. The method includes placing the foundation receiving portion of the post bracket in the recess, mechanically securing the foundation receiving portion in the recess, and mounting the post to the timber receiving portion of the post bracket. Additionally the method includes first exposing the recess of the existing foundation.
  • These features together with the various ancillary provisions and features which will become apparent to those skilled in the art from the following detailed description, are attained by the exercise device of the present invention, preferred embodiments thereof being shown with reference to the accompanying drawings, by way of example only, wherein:
  • BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWING
  • FIG. 1 is a perspective cut-way view of a prior art post and poured concrete foundation;
  • FIG. 2 is a cross-sectional side view of one embodiment post bracket attaching a post to a foundation;
  • FIGS. 3A-5 are views of one embodiment post bracket of the present invention, where FIG. 3A is a first side view, FIG. 3B is a second side view; FIG. 4 is a top view and FIG. 5 is a bottom view;
  • FIGS. 6-9 are cross-sectional views of one embodiment post bracket of the present invention, where FIG. 6 is a side sectional view 6-6 of FIG. 3A, FIG. 7 is a side sectional view 7-7 of FIG. 3B, and FIGS. 8 and 9 are a top sectional views 8-8 and 9-9, respectively, of FIG. 3B;
  • FIGS. 10A and 10B are side views of the elongate member corresponding to the views of FIGS. 3A and 3B, respectively;
  • FIG. 11 is a top view of the upper foundation plate;
  • FIGS. 12A and 12B are side views of the cap corresponding to the views of FIGS. 3A and 3B, respectively;
  • FIG. 13 is a detail 13-13 from FIG. 6;
  • FIGS. 14A-14E are views of a channel used to form the elongate member, where FIGS. 14A and 14B are orthogonal side views, and FIG. 14C is a top view and FIG. 14D is a bottom view, and FIG. 14E shows the channel cut and folded;
  • FIGS. 15A and 15B are sectional views 6-6 and 7-7, respectively, showing the deformation of the foundation support portion after a first tightening of the bolt;
  • FIGS. 16A and 16B are sectional views 6-6 and 7-7, respectively, showing the deformation of the foundation support portion after a further tightening of the bolt; and
  • FIGS. 17A-17F are sectional side views illustrating one method of using the post bracket of the present invention, where FIG. 17A shows an existing foundation prepared for the post bracket, FIG. 17B shows the foundation support portion fit within the foundation recess, FIG. 17C shows the tightening of the bolt to secure the post bracket in the foundation, FIG. 17D shows the cap placed on the plate, FIG. 17E shows the replacement post placed within the timber receiving portion; and FIG. 17F shows the replacement post secured to the existing foundation.
  • Reference symbols are used in the Figures to indicate certain components, aspects or features shown therein, with reference symbols common to more than one Figure indicating like components, aspects or features shown therein.
  • DETAILED DESCRIPTION OF THE INVENTION
  • The present invention provides a device and method for repairing damaged foundations formed by setting a post with concrete without the need for replacing existing concrete foundations or piers. Thus, for example, if an existing concrete foundation is secure in the ground, the present invention provides a device and method for repairing the foundation prior to replacing a structure without the necessity of removing and replacing the concrete. In particular, the present invention provides a post bracket having a first portion that can be inserted into the space previously occupied by the old timber post previously poured foundation and a second portion that can secure a new timber post.
  • As one example of a post bracket that is not meant to limit the scope of the present invention, a user has need to replace a post P from a prior art concrete foundation F as illustrated in FIG. 1, where, importantly, foundation F is structurally sound. For illustrative purposed, FIG. 2 is a cross-sectional side view of an embodiment of post bracket 200 of the present invention after a new, replacement post P′ is secured in the existing foundation F. Post bracket 200 includes a first portion, also referred to herein as a timber receiving portion 210 and a second portion, also referred to herein as a foundation support portion 220. As is described subsequently, one use of post bracket 200 to replace post P includes removing the post to expose recess R, inserting and mechanically securing foundation support portion 220 of the post bracket into the recess, and attaching a new post P′ to timber receiving portion 210 of the post bracket. In one embodiment of the present invention, foundation support portion 220 has a first configuration that allows the portion to be inserted into recess R and a second configuration that forces the sides of the portion outwards and against the recess to secure the post bracket in the foundation. It is preferred that structural components of post bracket 200 are constructed of galvanized steel, stainless steel, or reinforced aluminum of sufficient thickness and dimension to provide structural support. Specific embodiments of post bracket 200, which are not meant to limit the scope of the present invention, provide a device for performing the functions of accepting a timber post, including but not limited to a fence post, and securing the post bracket into a foundation. The dimensions and shapes provided are for illustrative purposes and are not meant to limit the scope of the present invention.
  • Post bracket 200 is shown in greater tail in FIGS. 3-9, where FIG. 3A is a first side view of the post bracket, FIG. 3B is a second side view of the post bracket that is orthogonal to the view of FIG. 3A, FIG. 4 is a top view of the post bracket, FIG. 5 is a bottom view of the post bracket, FIGS. 6 and 7 are sectional side views of FIGS. 3A and 3B, respectively, and FIGS. 8 and 9 are sectional top views of FIG. 3B. With reference to FIGS. 3A and 6, post bracket 200 includes a longitudinal elongate member 202 that extends from a first end 201 to a second end 223, an upper foundation plate 205, a cap 207 adapted to fit on the plate and having a cap surface 209, a lower foundation plate 230, and a bolt 240 that spans the distance from the upper to lower foundation plates. Further illustrations of post bracket 200 are shown in FIGS. 10A and 10B as two side views of elongate member 202 corresponding to the views of FIGS. 3A and 3B, respectively, FIG. 11 as a top view of plate 205, FIGS. 12A and 12B as two side view of cap 207 corresponding to the views of FIGS. 3A and 3B, respectively, and FIG. 13 as a detail of plate 230 from FIG. 6.
  • As shown in FIGS. 3A, 3B, and 7, timber receiving portion 210 includes a pair of opposing sides 215 of elongate member 202 having a length A3 from first end 201 to cap surface 209 and a width of A2. Sides 215, indicated individually as side 215 a and 215 b, are separated by a distance A1 and each have timber mounting holes 217 a and 217 b that are aligned across sides 215. Timber receiving portion 210 is preferably sized to receive a length A3 of a timber post of a specific size or range, such as standard post sizes between sides 215, as shown in FIG. 2, for example. Importantly, as described subsequently, the separation of sides 215 and placement of holes 217 allow a timber post of a given size to be inserted and attached to the pair of sides 215, for example by drilling holes through an inserted post aligned with the holes and securing the post to the post bracket with bolts. Sides 215 can either be straight or may have a slight inwards bow along their length to help restrain a received post.
  • Thus, for example, a timber receiving portion adapted to accept a nominal 4″×4″ timber post, which has an actual dimension of 3½ inches on a side, has a spacing A1 that is slightly larger than 3½ inches, has a width A2 that is preferably less than a side of the 4×4, for example from 2 inches to 3 inches in width, and a length A3 that is sufficiently long to allow 2 or more holes with a spacing approximately equal to the width of the post. Thus, for example A3 is preferably from 6 to 8 inches long, having holes 217 to accept a half inch bolt and spaced approximately 4 inches apart. It is also preferred that sides 215 are formed from galvanized steel having a thickness of from ⅛ inch to ¼ inch, and more preferably that the thickness be 3/16 inches.
  • In an alternative embodiment of timber receiving portion 210, not shown, holes 217 are arranged in other matching patterns on opposing sides 215 to facilitate the attachment of a post to post bracket 200, and in another alternative embodiment, two pair of opposing sides are provided to restrain an inserted post on all four sides.
  • Support and spacing for sides 215 and cap 207 are provided by plate 205. As shown in FIGS. 7 and 11, plate 205 has a pair of slots 701 spaced a distance A1 and each sized to accept one of the pair of sides 215 by having a length that is slightly larger than width A2 and a width slightly larger than the thickness of sides 215. Cap 207, as shown in FIGS. 12A and 12B, has a pair of mutually opposing sides 601 attached to transverse cap surface 209 and having a wide portion 1201 of length H and a narrow portion 1203. In addition, as shown in FIGS. 6 and 11, plate 205 has a pair of slots 603. The pair of narrow portions 1303 fit within slots 603 to support cap 207 on the plate with spacing H. Plate 205 is preferably formed from a steel plate, for example a plate 4¼ inch square and 3/16 inch thick.
  • As is shown in FIGS. 3A, 3B, 5, 6, and 7, elongate member 202 extends from plate 205 through a shoulder 221 a distance C2 to second end 223. Foundation support portion 220 includes four surfaces 225 of elongate member 202 that form two pairs of mutually opposing and outwards facing surfaces 225 a and 226 b, as shown in FIG. 5, and that each extend from a portion having a size W2×W2, as indicated in FIG. 8, and have a length C1 from a plane 227 to second end 223. The cross-sectional shape of sides 215 and elongate member 202 from shoulder 221 to second end 223 is bound within a square having sides W1, as is shown in FIGS. 6, 7, and 9, and the thickness of elongate member 202 at surfaces 225 is t as is shown in FIG. 13. It is important that the cross-section of foundation support portion 220 fits than the width W of the intended recess R and that the length C2 is less than the length D. It is preferable that the difference between W and W1 be great enough so that foundation support portion 220 easily fits within recess R.
  • Foundation support portion 220 also includes, as is shown in FIG. 6, bolt 240 that has a head 611, a body 613 that is at least partially threaded, and an end 241. As is shown in FIGS. 6 and 11, plate 205 has a hole 605 that accepts body 613 while providing support for head 611. The distance H of cap 207 is selected to allow the cap to sit on plate 205 and not rest on head 611. Body 613 is also threadably connected to plate 230, as is shown in greater detail in FIGS. 13. Plate 230 has a first side 231 facing away from plate 205 and an opposing side 233 facing the plate. A threaded nut 607 is attached to side 233, preferably by welding, and is aligned with a hole 609 in plate 230. A threaded portion of body 613 threadably engages nut 607. Rotation of head 611 can thus place bolt 240 in tension and pull plate 230 towards plate 205. It is preferred that bolt 240 is a galvanized course thread ¾ inch ×6 inch bolt. The diameter of holes 605 and 609 and the threads of nut 607 are chosen to match bolt 240. For example, holes 605 and 609 sized to receive a ¾ inch bolt have diameters of ⅞ inch.
  • FIG. 13 also shows detail of edges 1301 and 1303 of plate 230. Plate 230 is preferably formed from a steel plate, for example a U×U square, 3/16 inch thick plate. Edge 1301 is formed from the side of the plate and is perpendicular to side 231, and edge 1303 is angled relative to edge 1301 and side 233. Preferably edge 1303 form an angle of 45 degrees relative to edge 1301 and side 233, and plate 230 is sized such that ends 223 contact edge 1303. Preferably, as described below, the dimensions W1, W2, U, and t are selected relative to W to permit foundation support portion 220 to easily be inserted into recess R, and for the geometry to be changed by rotating bolt 240 to secure the
  • Before discussing methods of using post bracket 200, one method for manufacturing elongate member 202 is now discussed with reference to FIGS. 14A-14E, where FIGS. 14A and 14B are orthogonal side views of the steel channel, and FIG. 14C is a top view and FIG. 14D is a bottom view of the channel, and FIG. 14E shows the channel cut and folded. Steel channel 1400 is a 14 inch length of 3 inch by 3 inch channel (that is, W2=3 inches) having a wall thickness of 3/16 inches. FIGS. 14A-1D have marks indicating cuts and folds used to produce elongate member 202. Lines 1401, 1403, 1405, and 1407 show cuts to the corners of channel 1400 that form surfaces 225. Lines 1409 and 1411 show cuts to the corners and sides of channel 1400 that produce planar sides 215. Lines 1413 and 1415 indicate fold lines used to form shoulder 211. FIG. 14E shows the part resulting from the cuts and folds of FIGS. 14A-14D that can subsequently be used to form elongate member 202. FIG. 14E also shows a slight bowing of the ends 223. This bowing can result from the release of stress from within channel 1400 when it is cut. It is important that the cross section of the resulting channel fit within a desired cross-sectional area, for example a square having sides W.
  • Post bracket 200 includes a mechanism for expanding the outer dimension of the cross-section of foundation support portion 220. Specifically, post bracket 200 has an initial configuration, shown in FIGS. 3A and 3B, where plate 230 is beyond ends 223, where the configuration allows foundation support portion 220 to fits within a recess of size W. When bolt 240 is rotated in a direction that reduces the spacing between plate 230 and plate 205, plate 230 moves upwards along elongated member 202, increasing the spacing of surfaces 225. This movement results in a deformation of surfaces 225, specifically of a bending of each side from position. An illustration of the response of post bracket 200 to a tightening of bolt 240 relative to that of FIGS. 6 and 7 is illustrated in a first set of FIGS. 15A and 15B, where the bolt is turned a first amount, resulting in the displacement of plate by a distance Z1 to the position shown as plate 230 a. As noted previously, the angled edge 1303 of plate 230 is positioned to contact ends 223. As a result of the displacement of plate 230, surfaces 225 bend outwards from plane 227, having a dimension W2 as shown in FIG. 8, and continue to contact either edge 1301 or 1303, with a separation that increases with the displacement of the plate. As illustrated in FIGS. 15A and 15B, ends 223 are displaced by a distance Q1, to a total separation of W.
  • The further tightening of bolt 240 is shown in FIGS. 16A and 16B, where the position of the plate in FIGS. 6 and 7 is indicated as the phantom plate 230. In FIGS. 16A and 16B, bolt 240 is turned a greater amount, resulting in the displacement of plate by a distance Z2 as indicated by plate 230 b. As a result of the displacement of the plate, surfaces 225 bend from plane 227 outwards a greater distance. The lateral displacement of surfaces 225, indicated as a distance Q2, increases the spacing between opposing ends 233 to a distance greater than W. If post bracket 200 were in a recess of size W, foundation support portion 220 would be laterally expanding to secure the post bracket in the recess.
  • Importantly, the rotation of bolt 240 thus causes plate 230 to travel along elongated member 202 adjacent surfaces 225 and for ends 223 to correspondingly expand outward. Preferably, width W is greater than width W1, permitting foundation support portion 220 to be inserted into recess R, the combined width of plate 230 and the thickness of elongated member 202 adjacent sides 225 (that is, U+2t) is less than the width W to permit plate 230 to traverse the foundation support portion while it is inserted in the recess, and the dimensions U, t, W2, and C1 allow the edges of the foundation support portion to extends at least to the edges of the recess.
  • Thus, for example, foundation support portion 220 that is sized for replacement of a 4″×4″ post must be able to fit within the W=3½ inch square recess R that was formed by the pouring of concrete about the post. A value of W1 from 3 to 3¼ inches provides adequate space for inserting foundation support portion 220 into recess R. It is also preferred that the length C2 is from 5 to 8 inches, preferably 6 inches, and that the length C1 is approximately 5 inches, and t is from ⅛ inch to ¼ inch, and more preferably t= 3/16 inches. In addition, the combined width of plate 230 and the thickness of elongated member 202 adjacent surfaces 225 (U+2t) must be greater than W (for a 4″×4″ post replacement, a preferred value of W2 is 3 inches, U is 3 inches, and t is 3/16 inches—thus U+2t=3⅜ inches, which is between W and W1). In the example of FIGS. 15A and 15B, ends 233 have a separation that is greater than W1 and less than W, while in FIGS. 16A and 16B ends 223 have a separation greater than W. The portion of elongated member 202 adjacent surface 225 from the displaced plate 230 to ends 223 can act as spring when placed in a recess of dimension W.
  • One method of using post bracket 200 to secure a post in a preexisting foundation using a post bracket of the present invention is shown with reference to the sectional side views of FIG. 17A-17F. First, FIG. 17A shows an existing foundation is prepared for the post bracket. This is accomplished by removing post P the post from foundation F which may be accomplished, for example, by cutting the post flush with the foundation with a reciprocating say and corresponding 8 inch or longer wood blade, and then using a 3 inch drill bit such as a masonry drill bit and a heavy duty drill to remove the timber to a depth of 6½ inch, and finally removing the remaining material with a chisel. Next, foundation support portion 220 is placed with recess R, as shown in FIG. 17B. Next, as shown in FIG. 17C, bolt 240 is tightened, resulting in the movement of plate 230 to position 230 b. As illustrated in FIGS. 16A and 16B, this amount of tightening expands unconstrained ends 223 to a separation greater than the recess width W. Since foundation support portion 220 is within recess R, the displacement of plate to position 230 b forces surfaces 225 against recess R, securing post bracket 200 in foundation F. During the tightening of bolt 240, the position and orientation of post bracket 200 can be adjusted and, if the position is not quite correct, the bolt can be loosened and the position can be further adjusted. Next, in FIG. 17D, cap 207 is placed over bolt head 611, providing a horizontal surface 207. A new post P is next placed on top of surface 207 and within timber receiving portion 210 (FIG. 17E). Lastly, holes H1 and H2 are drilled through holes 217 and post P1 and bolts B1 and B2 are used to secure the post to post bracket 200.
  • Reference throughout this specification to “one embodiment” or “an embodiment” means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, appearances of the phrases “in one embodiment” or “in an embodiment” in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures or characteristics may be combined or altered in any suitable manner, as would be apparent to one of ordinary skill in the art from this disclosure, in one or more embodiments.
  • Similarly, it should be appreciated that in the above description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects. This method of disclosure, however, is not to be interpreted as reflecting an intention that the claimed invention requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the Detailed Description are hereby expressly incorporated into this Detailed Description, with each claim standing on its own as a separate embodiment of this invention.
  • Thus, while there has been described what is believed to be the preferred embodiments of the invention, those skilled in the art will recognize that other and further modifications may be made thereto without departing from the spirit of the invention, and it is intended to claim all such changes and modifications as fall within the scope of the invention. For example, post bracket 200 can be adapted to accept timber of any size and to fit with a recess of any size. Thus the device and method has been described with reference to use with 4″×4″ timber posts. The device and methods are easily modified for use with 3″×3″, 4″×6″, and 6″×6″ posts by adjusting the dimensions of the device accordingly. Timber support portion 210 can include devices other than bolts to secure a post, and can also present surfaces to the post that restrict movement, such as a rough surface. Foundation support portion 220 can provide for other types of mechanical restraints within a recess. Thus, for example, foundation support portion can provide for lateral expansion to the sides of the recess by a bolt that expands a scissor-like expandable mechanism, or by a mechanism that moves one side. In addition, the timber support portion and foundation support portion may be formed from separate pieces that are welded or otherwise joined together. Alternatively, the functions of the timber support portion and the foundation support portions can have overlapping components or pieces to any extends. Steps for the use of the post bracket may be added, deleted, or rearranged to methods described within the scope of the present invention.

Claims (17)

1. A bracket for attaching a timber post to a foundation recess comprising:
a first portion for attachment to the timber post; and
a second portion including
at least one pair of outwards facing, opposed surfaces having a first spacing, and
a mechanism to increase the spacing of said opposed surfaces.
2. The bracket of claim 1, wherein said first portion includes two opposing surface and at least one pair of holes through said opposing surfaces.
3. The bracket of claim 1, wherein each of said at least one pair of opposed surfaces is a portion of an elongated member having a first end proximal said first portion and a second end, and wherein said mechanism includes a first plate having an internally threaded hole and a width greater than said first spacing, a second plate rigidly connected to said second portion proximal said first portion and having a hole, and a bolt having a head supported on said second plate and a body passing through said second plate and threadably attached to said first plate, where the rotation of said bolt to decrease the spacing between said first plate and said second plate increases the spacing of said surfaces.
4. The bracket of claim 1, wherein the outer surface of said second portion having said first spacing is bound by an elongated square extending away from said first portion.
5. The bracket of claim 4, wherein said square is approximately 3½ inches on a side.
6. A bracket for attaching a timber post to a foundation recess having inwardly facing walls, said bracket comprising:
a first portion for attachment to the timber post; and
a second portion including
at least one pair of outwards facing, opposed members having a first end proximal said first portion and a second end, and having a first spacing at said a first end proximal said first portion, where said first spacing is less than the distance between said inwardly facing walls, and
a mechanism to increase the spacing between said at least one pair of opposed members.
7. The bracket of claim 5, wherein said first portion includes two opposing surface and at least one pair of holes through said opposing surfaces.
8. The bracket of claim 5, wherein said mechanism includes a first plate having an internally threaded hole and a width greater than said first spacing, a second plate rigidly connected to said second portion proximal said first portion and having a hole, and a bolt having a head supported on said second plate and a body passing through said second plate and threadably attached to said first plate, where the rotation of said bolt to decrease the spacing between said first plate and said second plate increases the spacing of said surfaces.
9. The bracket of claim 5, wherein the outer surface of said second portion having said first spacing is bound by an elongated square extending away from said first portion.
10. The bracket of claim 9, wherein said square is approximately 3½ inches on a side.
11. A bracket for attaching a timber post to a recess of a foundation comprising:
a first portion for attachment to the timber post; and
a second portion including
an elongate portion attached to said first portion and having a shape to allow acceptance by the recess with said first portion protruding above said recess, and
a mechanism to move at least a portion of said accepted elongate portion against said recess, where said moved elongate portion of provides a resistive force to the movement of said connector from said recess.
12. The bracket of claim 11, wherein said first portion includes two opposing surface and at least one pair of holes through said opposing surfaces.
13. The bracket of claim 11, wherein said mechanism includes a first plate having an internally threaded hole and a width greater than said first spacing, a second plate rigidly connected to said second portion proximal said first portion and having a hole, and a bolt having a head supported on said second plate and a body passing through said second plate and threadably attached to said first plate, where the rotation of said bolt to decrease the spacing between said first plate and said second plate increases the spacing of said surfaces.
14. The bracket of claim 11, wherein said recess has a square cross-sectional shape.
15. The bracket of claim 14, wherein said square is approximately 3½ inches on a side.
16. A method of mounting a post in an existing poured concrete foundation using a post bracket having a timber receiving portion and a foundation securing portion, said method comprising:
placing the foundation receiving portion of the post bracket in the recess;
mechanically securing the foundation receiving portion in the recess; and
mounting the post to the timber receiving portion of the post bracket.
17. The method of claim 16, further including, first exposing the recess of the existing foundation.
US10/916,951 2004-08-11 2004-08-11 Retrofit timber post bracket Abandoned US20060032165A1 (en)

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