US20070124897A1 - Clamp for circular objects - Google Patents
Clamp for circular objects Download PDFInfo
- Publication number
- US20070124897A1 US20070124897A1 US11/607,717 US60771706A US2007124897A1 US 20070124897 A1 US20070124897 A1 US 20070124897A1 US 60771706 A US60771706 A US 60771706A US 2007124897 A1 US2007124897 A1 US 2007124897A1
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- Prior art keywords
- clamp
- portions
- circular
- bar portion
- section
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- 238000000034 method Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009428 plumbing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
- F16L3/10—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing
- F16L3/1083—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing with two members, the two members being hooked in on one side and fastened together on the other side
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
- F16L3/10—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing
- F16L3/1008—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing with two members engaging the pipe, cable or tubing, both being made of thin band material completely surrounding the pipe
- F16L3/1016—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing with two members engaging the pipe, cable or tubing, both being made of thin band material completely surrounding the pipe the members being joined by means of two screws
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
- F16L3/10—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing
- F16L3/1033—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing with two members engaging the pipe, cable or tubing, the two members being joined only on one side of the pipe
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/36—Button with fastener
- Y10T24/3617—Hinged leaf
- Y10T24/3623—Sliding
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
A clamp for holding circular objects, such as pipes or conduits, includes a falcate rod portion that engages slots in a bar portion. The rod portion has a circular central section that is between a bent end and a threaded end for engaging respective of the slots. The circular section may have a cylindrical section inner surface, which may be textured, for engaging the circular object. The bar portion also has a circular central portion, for engaging the opposite side of the circular object. The clamp is installed on a circular object by placing the circular section of the bar portion against the circular object, hooking the bent end of the rod portion into one of the slots, inserting the threaded end of the rod portion through the other slot, and tightening a nut on the threaded end to secure the clamp to the circular object.
Description
- This application claims priority under 35 USC 119 to U.S. Provisional Application No. 60/741,412, filed Dec. 1, 2005, which is herein incorporated by reference in its entirety.
- 1. Technical Field of the Invention
- This invention relates generally as indicated to clamps for circular objects such as pipes or conduits.
- 2. Description of the Related Art
- Clamps for holding circular objects such as pipes or conduit are commonly used in a wide variety of circumstances, such as to secure the objects to structure, to secure other objects or fixtures to the circular objects, or to otherwise limit movement of the circular objects.
- One example of a clamp used for holding circular objects is a riser clamp, used to secure vertical pipe runs, such as in a plumbing stack. A stack is a vertical run of pipe through a building, used for example to vent plumbing drain lines. The vertical run may be several stories high, passing through circular floor openings that are greater in diameter than the diameter of the pipe run.
- These vertical runs of pipe are secured by riser clamps. An example prior art riser clamp 1 is shown in
FIG. 1 . The riser clamp 1 has a pair ofbar portions 2 of rectangular cross-section bar each having a pair ofstraight ends 3 with acircular portion 4 between thestraight ends 3. Thebar portions 2 are clamped onto a pipe orconduit 5, with opposite sides of thepipe 5 engaged by surfaces of thecircular portions 4. Thebar portions 2 are secured onto thepipe 5 by a pair ofbolts 6 that pass throughholes 7 in thestraight ends 3 on either side of thecircular portions 4, andnuts 8 that threadedly engage thebolts 6. Thenuts 8 are tightened to clamp thepipe 5 securely between thecircular portions 4. Thecircular portions 4 are configured so that thestraight ends 3 of theportions 2 do not come into contact when the riser clamp 1 is installed, but rather there is a spacing between thestraight ends 3 of one of the bar portions and the correspondingstraight ends 3 of the other bar portion. - A riser clamp such as the riser claim 1 is secured to a vertical run of piping just above a circular floor opening though which the pipe run passes. The riser clamp 1 ordinarily rests on the floor, with the
straight ends 3 being long enough to extend beyond the circular floor opening. Thus one function of the riser clamp 1 is to prevent vertical movement of the pipe, since the riser clamp 1 is too large to fit through the circular floor opening. - In addition, the riser clamp 1 prevents torquing or tilting of the pipe run. The spacing between the corresponding
straight ends 3 of theportions 2 provides a stable base that resists twisting or torquing of the pipe that would otherwise result in tipping of the clamp 1 over an edge of thestraight ends 3 of one of theportions 2. In other words, having the correspondingstraight ends 3 of theportions 2 separated from each other provides a base that engages the floor around the circular floor opening to prevent undesirable twisting, tilting, and/or torquing of the pipe run. - Nonetheless, there is room for improvement in that the riser clamp 1 involves a large number (six) of separate parts, and two different threading operations. In addition, some care must be taken to provide at least rough symmetry between the tightening of the
nuts 7 on opposite sides of thepipe 5, to have proper installation of the riser clamp 1. - From the foregoing it will be appreciated that improvements would be desirable for pipe or conduit clamps in general, and for riser clamps in particular.
- According to an aspect of the invention, a clamp for holding circular objects includes a bar portion having slots, and a sickle-shape rod portion that is secured within the slots to secure a circular object within a space between the bar portion and the rod portion.
- According to another aspect of the invention, a clamp includes: a first portion having a pair of slots therein; a second portion having a bent end and a threaded end, wherein the bent end is in one of the slots and the threaded end is in the other of the slots, and wherein the first portion and the second portion define a space therebetween for securing an object; and a nut threadedly engaging the threaded end to secure the first portion and the second portion together.
- According to yet another aspect of the invention, a method of clamping an object includes the steps of: placing a bent end of a rod portion through a first slot of a bar portion; turning the rod portion to enclose the object between the bar portion and the rod portion, and to place a threaded end of the rod portion through a second slot of the bar portion; and securing the portions together by tightening a nut along the threaded end, against the bar portion.
- According to still another aspect of the invention, a clamp includes a pair of portions having respective central circular sections that define a round space therebetween for receiving a circular object. The portions mechanically interlock together on one side of the round space. The portions are threadedly coupled together on an opposite side of the round space.
- To the accomplishment of the foregoing and related ends, the invention comprises the features hereinafter fully described and particularly pointed out in the claims. The following description and the annexed drawings set forth in detail certain illustrative embodiments of the invention. These embodiments are indicative, however, of but a few of the various ways in which the principles of the invention may be employed. Other objects, advantages and novel features of the invention will become apparent from the following detailed description of the invention when considered in conjunction with the drawings.
- In the annexed drawings, which are not necessarily to scale:
-
FIG. 1 is a plan view of a prior art riser clamp secured to a pipe run; -
FIG. 2 is a plan view of a clamp in accordance with the present invention; -
FIG. 3 is an exploded view of the clamp ofFIG. 1 ; -
FIG. 4 is an oblique view of a bar portion of the clamp ofFIG. 1 ; -
FIG. 5 is an oblique view of the rod portion of the claim ofFIG. 1 ; -
FIG. 6 is a first cross-section configuration for the bar portion ofFIG. 4 ; -
FIG. 7 is a second cross-section configuration for the bar portion ofFIG. 4 ; -
FIG. 8 is a third cross-section configuration for the bar portion ofFIG. 4 ; -
FIG. 9 is a fourth cross-section configuration for the bar portion ofFIG. 4 ; -
FIG. 10 is a fifth cross-section configuration for the bar portion ofFIG. 4 ; -
FIG. 11 is a sixth cross-section configuration for the bar portion ofFIG. 4 ; -
FIG. 12 is a side view of an alternate embodiment clamp in accordance with the present invention; -
FIG. 13 is an end view of the clamp ofFIG. 12 ; -
FIG. 14 is an oblique view of another alternate embodiment clamp in accordance with the present invention; and -
FIG. 15 is a plan view of the clamp ofFIG. 14 . - A clamp for holding circular objects, such as pipes or conduits, includes a falcate or sickle-shape rod portion that engages slots in a bar portion. The rod portion has a circular central section that is between a bent end for engaging one of the slots, and a threaded end for engaging the other of the slots. The circular section may have a cylindrical section inner surface for engaging the circular object. The cylindrical section inner surface may be textured to improve its grip on the circular object. The bar portion also has a circular central portion, for engaging the opposite side of the circular object from that engaged by the inner surface of the rod portion circular central section. The slots in the bar portion are at radius bends at opposite ends of the bar portion circular section, where the bar portion bends back outward into straight extensions that may be co-linear, extending away from the circular section in opposite directions. The straight extensions have bent ends, bent in opposite directions from one another, to provide increased stability for the clamp, for example as the bent ends and outer portion of the straight extensions rest on a floor surface around a circular opening. The clamp is installed on a circular object by placing the circular section of the bar portion against the circular object, hooking the bent end of the rod portion into one of the slots, inserting the threaded end of the rod portion through the other slot, and tightening a nut on the threaded end to secure the clamp to the circular object.
- Referring to
FIGS. 2 and 3 , aclamp 10 includes abar portion 12 and a falcate or sickle-shape rod portion 14 for securing between them acircular object 16, such as a pipe or conduit. Thecircular object 16 is secured in around space 18 between thebar portion 12 and therod portion 14. - Referring now in addition to
FIG. 4 , thebar portion 12 includes a centralcircular section 20 having radiusedbends circular section 20, bending back tostraight extensions circular section 20. Thecircular section 20 has aninner surface 30 configured to contact theobject 16 when theclamp 10 is installed. Theextensions circular object 16 in opposite, radial and diametrically opposed, directions. With this configuration, thecircular section 20 may be substantially a semi-circle. Alternatively, theextensions - The
extensions circular section 20. The bent ends 32 and 34 may be bent at right angles relative to theextensions bends bends clamp 10 when theclamp 10 is used to secure a vertical stack above a floor opening. Thebends clamp 10 so as to better resist tilting, torquing, or twisting of the pipe, in a manner analogous to the above-described spacing between corresponding straight ends 3 of the prior art clamp 1 (FIG. 1 ). - The
bar portion 12 has a pair ofslots slots bar portion 12. In the illustrated embodiment theslots bar portion 12 than along the height of thebar portion 12. Theslots slots slots circular section 20, and opposite ends 46 and 48 of theslots straight extensions slots slots - The
bar portion 12 may be made out of a variety of suitable materials, including suitable metals. For example, thebar portion 12 may be made out of cast iron or steel. - With reference now in addition to
FIG. 5 , therod portion 14 has a sickle shape, with central curved object-engagingsection 60. Thecurved section 60 may be a substantially circular section that curves inward toward a securingarea 62, which is part of theround space 18 when theclamp 10 is assembled. Aninner surface 64 bears against and engages theobject 16 held by theclamp 10. Theinner surface 64 may be a substantially cylindrical section surface, which may be machined from round stock used to make therod portion 14. Making the inner surface 64 a cylindrical section allows more area to engage theobject 16, improving the grip on theobject 16. Theinner surface 64 may have a circumferential extent of about 120 degrees, although the angular portion with theinner surface 64 may be greater or lesser in extent. Alternatively theinner surface 64 may be rounded or sharp, if desired. - The
inner surface 64 may be patterned or textured to improve its grip for example having a stampedcrosshatch pattern 66 on theinner surface 64. It will be appreciated that a wide variety of patterns may be used to improve the gripping of theinner surface 64, including various protrusions and/or depressions formed by stamping or other suitable properties. Theinner surface 30 of the bar portion 12 (FIG. 2 ) may also be patterned to improve gripping. - A
straight extension 68 extends tangentially away from thecurved section 60 at one end of thecurved section 60. Theextension 68 has a threadedend 70, configured to mate with anut 72. - At the opposite end of the
curved section 60 is an L-shapebent end 74 having a pair ofstraight legs radiused bend 82 between thelegs leg 76 extends from thecurved section 60, and theleg 78 is a free end of therod portion 14. Thelegs legs leg 78 is an unthreaded rod portion. - The
rod portion 14 is configured so that it can be secured to thebar portion 12 by passing parts of thestraight extension 68 and thebent end 74 into theslots straight extension 68 and thebent end 74 are separated by a distance corresponding to the distance between theslots end leg 78 of thebent end 74 being sufficiently long so that thebent end 74 does not pull out of its slot when theextension 68 is inserted in its slot, and thenut 72 is tightened along the threadedend 70. Theend leg 78 may have a length greater than the length of theslots - The
rod portion 14 may be formed from suitable round steel stock, bent and machined to form its shape and structures. Alternatively, therod portion 14 may be made from other sorts of suitable stock, such as square cross-section bar stock. - To assemble the
clamp 10, first thebar portion 12 is put in place, with theinner surface 30 ofcircular section 20 of thebar portion 12 touching or near theobject 16. Theleg 78 of therod portion 14 is then inserted into one of the slots, theslot 36. In order for theleg 78 to be inserted into theslot 36 therod portion 14 must be turned so that theleg 78 is at a suitable angle relative to theslot 36. The presence of theobject 16 provides some limitation on the angle of insertion of theleg 78 of therod portion 14. - Following insertion of the
bent end 74, therod portion 14 is rotated, pivoting at approximately theradiused bend 82, until part of the threadedend 70 protrudes through the other slot, theslot 38, and until the innergripping surface 64 is in contact with or close to theobject 16. This may bring theleg 78 into contact with material of thebar portion 12 along a radial outboard side of theslot 36. Thenut 72 is then threaded onto the threadedend 70, and tightened until thenut 72 is secure against parts of thebar potion 12 that are around theslot 38. Thenut 72 may be a shear nut that has ahex portion 84 and a narrowed circularsmooth portion 86. Thehex portion 84 shears off at a predetermined torque, leaving behind thecircular portion 86. This prevents overtightening and/or subsequent removal of thenut 72. Also, the narrowersmooth portion 86 threads further onto the threadedend 70, making a more compact engagement with thebar portion 12. Further, thesmooth portion 86 has no corners that scratch or otherwise mar thebar portion 12, and thesmooth portion 86 provides an offset between thehex portion 84 and thebar portion 12, making engagement of the faces of thehex portion 84 easier. Alternatively, however, thenut 72 may be a conventional hex nut. - The installed
clamp 10 is retained in place by thenut 72, and by the cooperation of thebar portion 12 and therod portion 14. Thenut 72 prevents removal of thestraight extension 68 from theslot 38. The extension of theleg 78 beyond the outboard edge of theslot 36 prevents thebent end 74 from being disengaged from theslot 36 by moving thebent end 78 in a circumferential direction. The presence of theobject 16 prevents disengagement of thebent end 74 from theslot 36 by movement of thebend end 74 in a radially inward direction (toward the center of the object 16). Thus theportions object 16, and threadedly coupled on an opposite side of theobject 16. - The
clamp 10 advantageously reduces the number of parts, weight, cost, and installation time, all in comparison with prior art clamps such as the clamp 1 (FIG. 1 ). Installation involves a single threading operation, without the concern for maintaining balance in a pair of threading operations on opposite sides of an object to be clamped. - The
clamp 10 has been described above for securing anobject 16 having a circular cross-section. It will be appreciated that theclamp 10 may also be used to secure non-circular objects. - The
bar portion 12 described above has a rectangular cross-section. It will be appreciated that thebar portion 12 may have other cross-section shapes, which may increase strength, may allow for reduction of material thickness and weight, and/or may improve the gripping between thebar portion 12 and theobject 16.FIGS. 6-11 show a few of the many possible alternative cross-section shapes for thebar portion 12.FIG. 6 shows arectangular cross-section 90, which engages the object 16 (FIG. 2 ) along amajor surface 92.FIG. 7 shows a C-shape cross-section 94, which engages theobject 16 at a pair oftips FIG. 8 shows arectangular channel shape 98, which engages at top andbottom tips FIG. 9 shows a modified version of thechannel shape 98, achannel shape 98′ have an additionalcentral bend 101.FIG. 10 shows acurved shape 102 having object-engagingtips FIG. 11 shows across-section shape 106 having a centralcurved portion 107, with top andbottom portions bar portion 12. The shapes shown inFIGS. 6-11 advantageously engage the object at top and bottom locations, which may provide better gripping in conjunction with a central engagement by the rod portion 14 (FIG. 2 ). - What follows now is an alternate embodiments of the invention. Many of the features of the alternate embodiment clamp described below may be similar to corresponding features of the
clamp 10. Discussion of these similar features is abbreviated or omitted in the below description of the alternate embodiment clamps, although it will be understood that the alternate embodiment clamps may include other features corresponding to those of theclamp 10. In addition, it will be appreciated that various features from the various embodiments may be combinable with one another. -
FIGS. 12 and 13 show an alternate embodiment of the present invention, aclamp 110 that is used as a pipe hanger for supporting ahorizontal run 116 of pipe or conduit. Thepipe clamp 110 includesrod portion 114 that engagesslots bar portion 112 in a manner similar to the engagement of thebar portion 12 and the rod portion 14 (FIG. 2 ). A threadedend 170 of therod portion 114 is held in place by anut 172 tightened against thebar portion 112. The pipe orconduit 116 is secured between thebar portion 112 and therod portion 114. - The
bar portion 112 has a pair ofextensions bottom extension 128 serves to accommodate theslot 138, and to support abent end 174 of therod portion 114 within theslot 138. Thetop extension 126 has athread form hole 194 and a nail or screwhole 196. Theholes clamp 110 to a wall or any of a variety of structural members. In the illustrated embodiment abolt 198 engages thethread form hole 194 is used to secure theclamp 110 to abracket 200. - The illustrated embodiment is just one possible way of securing the
clamp 110 to structure. Various other ways are known for securing vertical extensions to a large variety of structural members, such as purlins of various types, beam flanges, walls, brackets, drop wires, etc. Further information regarding securing to structural members may be found in U.S. Pat. No. 5,740,994, the description and drawings of which are herein incorporated by reference. - It will also be appreciated that many other configurations are possible for clamps for circular or other-shape objects that utilize the basic principle of the clamps described above, that of a rod member that engages slots of a bar member.
-
FIGS. 14 and 15 show another alternate embodiment, aclamp 210 having a pair of notchedbar portions bar portions circular sections circular object 216 clamped in around space 218 between theportions - At one side of the
circular sections portions portion 212 has astraight extension 226, extending away from theround space 218. Thestraight extension 226 concludes at abend 227, where theportion 212 has anotch 229. On the other side of thebend 227 is an angledfree end 233 of theportion 212. Theangled end 233 is angled away from thecircular section 220, toward an opposite side of theround space 218 from that bordered by thecircular section 220. Theangled end 233 may be angled at a 45-degree angle from thestraight extension 226. Thenotch 229 may extend across thebend 227, into both thestraight extension 226 and theangled end 233. Theportion 214 may have corresponding features: astraight extension 236, abend 237, anotch 239, and anangled end 243. - At the other side of the
circular sections portions straight extensions extensions round space 218 between thecircular sections extension 250 has ahole 252 in it, for receiving abolt 254 therethrough. Theextension 251 has anopen slot 256 at a corresponding location. Theslot 256 is open in the same downward direction as thenotch 239. Theslot 256 is wide enough to allow ashaft 257 of thebolt 254 to enter into it. Thebolt 254 is substantially perpendicular to theextensions hole 252 and theslot 256. With thebolt shaft 257 though thehole 252 and in theslot 256, anut 258 on theshaft 257 can be tightened to secure theextensions - In installation, the
bolt 254 may first be installed through thehole 252 in theextension 250 of theportion 212. Thenut 258 may be loosely screwed onto the threadedbolt shaft 257 to aid in keeping thebolt 254 coupled to theportion 212. Then theportion 212 is placed on one side of thecircular object 216. After that, theportion 214 is placed on the other side of thecircular object 216. During this placement thenotches bolt shaft 257 passes into theslot 256. After engagement of theportions nut 258 is tightened to pull theextensions circular object 216 in theround space 218, between thecircular sections - The angled ends 233 and 243 provide a wide stable footprint for the installed
clamp 210. This aids in preventing torquing or tilting of a pipe or conduit run when theclamp 210 is employed as a riser clamp. - Although the invention has been shown and described with respect to a certain preferred embodiment or embodiments, it is obvious that equivalent alterations and modifications will occur to others skilled in the art upon the reading and understanding of this specification and the annexed drawings. In particular regard to the various functions performed by the above described elements (components, assemblies, devices, compositions, etc.), the terms (including a reference to a “means”) used to describe such elements are intended to correspond, unless otherwise indicated, to any element which performs the specified function of the described element (i.e., that is functionally equivalent), even though not structurally equivalent to the disclosed structure which performs the function in the herein illustrated exemplary embodiment or embodiments of the invention. In addition, while a particular feature of the invention may have been described above with respect to only one or more of several illustrated embodiments, such feature may be combined with one or more other features of the other embodiments, as may be desired and advantageous for any given or particular application.
Claims (26)
1. A clamp comprising:
a first portion having a pair of slots therein;
a second portion having a bent end and a threaded end, wherein the bent end is in one of the slots and the threaded end is in the other of the slots, and wherein the first portion and the second portion define a space therebetween for securing an object; and
a nut threadedly engaging the threaded end to secure the first portion and the second portion together.
2. The clamp of claim 1 , wherein the first portion is a bar portion.
3. The clamp of claim 1 , wherein the second portion is a rod portion.
4. The clamp of claim 1 ,
wherein the first portion includes a circular central section between the slots;
wherein the second portion includes a curved section between the ends; and
wherein the space is a round space for receiving a round object.
5. The clamp of claim 1 , wherein the second portion is falcate.
6. The clamp of claim 5 ,
wherein the second portion is a rod portion that includes:
a curved central section; and
an extension from one side of the curved section, wherein the extension includes the threaded end; and
wherein the bent end is attached to an opposite side of the central section from the extension.
7. The clamp of claim 6 , wherein the curved central section has a cylindrical section inner surface.
8. The clamp of claim 7 , wherein the cylindrical section inner surface has an angular extent of about 120°.
9. The clamp of claim 7 , wherein the cylindrical section inner surface is patterned to improve gripping.
10. The clamp of claim 9 , wherein the cylindrical section inner surface has a stamped cross-hatch pattern.
11. The clamp of claim 7 ,
wherein the rod portion is formed from round stock; and
wherein the cylindrical section inner surface is a machined portion of the round stock.
12. The clamp of claim 6 , wherein the bent end includes a pair of legs angled to one another at an intervening bend.
13. The clamp of claim 12 , wherein the legs are substantially at right angles to one another.
14. The clamp of claim 1 , wherein the first portion is a bar portion that includes:
a central circular section;
a pair of radiused bends at respective opposite ends of the circular section, bending in an opposite direction from the circular section; and
a respective pair of extensions extending outward from respective of the radiused bends, away from the circular section.
15. The clamp of claim 14 , wherein the bar portion further includes respective bar portion bent ends at distal ends of the extensions, wherein the bar portion bent ends are angled at nonzero angles relative to the respective extensions.
16. The clamp of claim 15 , wherein the bar portion bent ends are bent in opposite directions from one another.
17. The clamp of claim 16 , wherein the bar portion bent ends are at right angles to the extensions.
18. The clamp of claim 14 , wherein the extensions are substantially in line with one another.
19. The clamp of claim 14 , wherein the slots extend fully across the radiused bends.
20. A method of clamping an object, the method comprising:
placing a bent end of a rod portion through a first slot of a bar portion;
turning the rod portion to enclose the object between the bar portion and the rod portion, and to place a threaded end of the rod portion through a second slot of the bar portion; and
securing the portions together by tightening a nut along the threaded end, against the bar portion.
21. A clamp comprising:
a pair of portions having respective central circular sections that define a round space therebetween for receiving a circular object;
wherein the portions mechanically interlock together on one side of the round space; and
wherein the portions are threadedly coupled together on an opposite side of the round space.
22. The clamp of claim 21 , wherein both of the portions are bar portions.
23. The clamp of claim 21 , wherein one of the portions is a bar portion, and the other of the portions is a rod portion.
24. The clamp of claim 21 , wherein the portions mechanically interlock together by an end of one of the portions being inserted into a slot in the other of the portions.
25. The clamp of claim 21 , wherein the portions mechanically interlock together by engagement of respective notches in the portions.
26. The clamp of claim 25 , wherein the notches are at respective bends of the portions.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/607,717 US20070124897A1 (en) | 2005-12-01 | 2006-12-01 | Clamp for circular objects |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US74141205P | 2005-12-01 | 2005-12-01 | |
US11/607,717 US20070124897A1 (en) | 2005-12-01 | 2006-12-01 | Clamp for circular objects |
Publications (1)
Publication Number | Publication Date |
---|---|
US20070124897A1 true US20070124897A1 (en) | 2007-06-07 |
Family
ID=37969622
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/607,717 Abandoned US20070124897A1 (en) | 2005-12-01 | 2006-12-01 | Clamp for circular objects |
Country Status (2)
Country | Link |
---|---|
US (1) | US20070124897A1 (en) |
WO (1) | WO2007064955A2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10273695B2 (en) * | 2017-04-24 | 2019-04-30 | Norman Lee Veldhoff | Gutter downspout end guard |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10273695B2 (en) * | 2017-04-24 | 2019-04-30 | Norman Lee Veldhoff | Gutter downspout end guard |
Also Published As
Publication number | Publication date |
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WO2007064955A3 (en) | 2007-07-19 |
WO2007064955A2 (en) | 2007-06-07 |
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