US2675723A - Pivoted rod bending hand tool - Google Patents
Pivoted rod bending hand tool Download PDFInfo
- Publication number
- US2675723A US2675723A US2675723DA US2675723A US 2675723 A US2675723 A US 2675723A US 2675723D A US2675723D A US 2675723DA US 2675723 A US2675723 A US 2675723A
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- US
- United States
- Prior art keywords
- rod
- tool
- bending
- handle
- rods
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- Expired - Lifetime
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- 238000005452 bending Methods 0.000 title description 38
- 238000009435 building construction Methods 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 6
- 238000010276 construction Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 239000002184 metal Substances 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 241001665400 Coracias abyssinicus Species 0.000 description 2
- 239000001175 calcium sulphate Substances 0.000 description 2
- 230000001419 dependent Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/06—Bending rods, profiles, or tubes in press brakes or between rams and anvils or abutments; Pliers with forming dies
- B21D7/063—Pliers with forming dies
Definitions
- the present invention relates to a device for bending wires and rods and, more particularly, to a tool for making L -shaped-'or'U-sha-ped bends on rods, such as hangers extending downwardly from a ceiling, to provide a support for channels and the like.
- rod bending tools comprising: essentially a pair of handles pivotally connected together, at least one of which having mounted thereon roller for efiect-- ing the wire bending operation as the result. of pivotal movement of the: handles.
- Anoutstanding.- disadvantageof such. tools is the great tendency of breakage of the tools because. of bending over-sized rods and wires.
- a further disadvantage of conventional tools is that they are somewhat complicated in; construction and are relatively expensive to manufacture.
- An object of the present invention is to provide a. tool for bending rods and wires, which tool overcomes the above-mentioned disadvantages.
- a more specific object of the present invention is to' provide a wire or rod bending tool which prevents the possibility of bending over-sized 1 rods and wires which might” otherwise cause breakage of the tool.
- a still further object of the present invention is to provide a wire or rod bending tool which is of exceedingly simple construction, therefore relatively inexpensive to manufacture, and which is capable of making either right or left hand bends in a wire or rod, such as in hanger rods extending downwardly from the ceiling for supporting channels and the like wherein the rod is bent to U-shape for substantially encircling the supported channel.
- Fig. l is an elevational view of a device or tool for bending rods or wires and embodying the principles of the present invention
- Fig. 2 is a cross-sectional View taken along line II-II of Fig. 1;
- Fig. 3 is a cross-sectional view taken along line IIIIII of Fig. 1;
- Fig. 4 is an elevational View showing a rod extending from the ceiling and a fragmentary portion of the tool illustratinghow the rod is bent in forming a hanger;
- Fig. 5 is an elevational view similar to Fig. i but showing the rod after it is bent by the tool;
- Fig. 6 is an elevational view similar to Fig. 4,
- numerals I and 2' denote handles made of fiat steel bars or of other. suitable: material, which handles are pivotally: connected together at one endthereof by means or a pivot. pin 3, one end of which pin is weldedtohandle IT.
- a safety guide element t which is. in the form of a block of steel having a groove 4aextending therethrough whose width limits: the! diameter of theirod or tube. extending through. the groove to be bent by the tool-
- the width of such groove is. dependent upon the over-all size of the tool. and can be made larger for larger size tools. For example, if. the width of the groove is /4", the depth can: be.
- Pivot pin1.3- extends through a hole: of. slightly larger diameter formedat; one end of handle 2.
- roller bearing elementconn prising Adjacent the-pivotally' connected end of handle there is mounted. a. roller bearing elementconn prising: a pivot pin 5.; one end of which is weld'e'd at 6. tohandle 2 and the. other end is. flattened to provide a head; i which will confine abearing sleeve 8.
- Fig. 4 shows a rod 9 emerging from a ceiling I0, which rod, while initially straight and vertical, is to be bent into the shape of a hanger to provide a support for supporting a channel such as used in building construction, or other elements.
- Handle I is held in a, substantially horizontal position, as shown in Figs. 1 and 4, so that the vertically extending rod 9 will be extended through groove 4a in the guide element 4 while handle 2 is held in such position that the roller bearing mounted thereon is at the left of the rod as viewed in Fig. 4.
- Bar 2 is then pivotally swung in a counterclockwise direction from the full to the dot-anddash line position 2a as indicated so as to bend rod 9 from the full to the clot-and-dash line 9a, thereby forming an L-shaped right-hand bend.
- rod 9 is snugly guided and held within the guide leement 4, and as sleeve 8 is forced against and rolled along the surface of rod 9 providing an anti-friction rolling con-,
- the rod will be bent along a smooth and short curvature as indicated.
- the tool in .order to shape rod 9 into the form of a hanger, such as commonly used for supporting channels in building construction, such as channel ll shown in Fig. '7, the tool, after an initial L-shaped bend, such as 91:, has been perfected, is moved upwardly to the position shown in Fig. 5, after which rod 911 is bent again along a portion closer to the center of the rod.
- handle 2 is pivotally moved again in a counter-clockwise direction from full line position to the dot-and-dash line position 21) and at the same time, rod 9 will be bent from the shape shown in the full line position to the dot-and-dash line position 91), thereby providing a substantially U-shaped bend.
- rod 9 is more clearly shown in Fig. '7.
- a steel channel I I may be supported by a number of spaced rods, such as 9.
- other elements may be supported by rods 9 as well.
- Fig. 6 shows the manner the tool may be used for making a left-hand bend instead of a righthand bend on rod 9.
- Handle I is extended horizontally towards the right while handle 2 is pivotally moved so that the roller bearing element mounted thereon is at the right-hand side of the rod 9.
- handle I is held stationary, handle 2 is moved in a clockwise direction to the position shown in dot-and-dash lines 20, thereby bending rod 9 to the position shown in dot-and-dash lines 90, thus making a left-hand bend.
- the tool is lifted to an intermediate position, similar to that shown in Fig. 5, to provide a second left-hand bend for completing the U- shaped bend.
- Rod. 9 will carry a metal lathe and plastered ceiling (not shown).
- a tool for bending rods and the like comprising a pair of flat handles of uniform thickness, a solid cylindrical pivot pin having a head portion welded to the end of one handle, the other handle having a circular hole formed at one end which encircles said pivot pin for providing a pivot for said handles on the axis of said pivot pin, a guide element integrally secured to the other end of said pivot pin to form therewith a one-piece element, said guide element being in the form of a fiat piece of metal having a vertical, substantially rectangular slot cut therethrough disposed in axial alignment with the pivot pin and extending at right angles to said one handle, said slot being straight and of uniform width for limiting the lateral movement of the rod therein, a second cylindrical pivot pin welded on said other, hole-bearing handle adjacent the points where said handles are pivotally connected together, a hollow cylindrical sleeve encircling said second pivot pin, a flattened head on said second pin for confining said sleeve, whereby said sleeve provides a
Description
April 20, 1954 J. E. STEIN 2,675,723
PIVOTED ROD BENDING HAND TOOL Filed Feb. 15, 1951 M. nl mh 3nventor (fa/2n E516 in (Ittorneu Patented Apr. 20, 1954 UNITED STATES PIVOTED RGD BENDING HAND TOOL John E. Stein, Pittsburgh, Pa;
Application'February 13, 1951, Serial No. 210,658
1 Claim. 1:.
The present invention relates to a device for bending wires and rods and, more particularly, to a tool for making L -shaped-'or'U-sha-ped bends on rods, such as hangers extending downwardly from a ceiling, to provide a support for channels and the like.
In the past, rod bending tools have been provided comprising: essentially a pair of handles pivotally connected together, at least one of which having mounted thereon roller for efiect-- ing the wire bending operation as the result. of pivotal movement of the: handles. Anoutstanding.- disadvantageof such. tools is the great tendency of breakage of the tools because. of bending over-sized rods and wires. A further disadvantage of conventional tools is that they are somewhat complicated in; construction and are relatively expensive to manufacture.
An object of the present invention is to provide a. tool for bending rods and wires, which tool overcomes the above-mentioned disadvantages.
A more specific object of the present invention is to' provide a wire or rod bending tool which prevents the possibility of bending over-sized 1 rods and wires which might" otherwise cause breakage of the tool.
A still further object of the present invention is to provide a wire or rod bending tool which is of exceedingly simple construction, therefore relatively inexpensive to manufacture, and which is capable of making either right or left hand bends in a wire or rod, such as in hanger rods extending downwardly from the ceiling for supporting channels and the like wherein the rod is bent to U-shape for substantially encircling the supported channel. 1
Other objects and advantages of the present invention will become apparent from a study of the following description, taken with the accompanying drawing wherein:
. Fig. l is an elevational view of a device or tool for bending rods or wires and embodying the principles of the present invention;
Fig. 2 is a cross-sectional View taken along line II-II of Fig. 1;
Fig. 3 is a cross-sectional view taken along line IIIIII of Fig. 1;
Fig. 4 is an elevational View showing a rod extending from the ceiling and a fragmentary portion of the tool illustratinghow the rod is bent in forming a hanger;
Fig. 5 is an elevational view similar to Fig. i but showing the rod after it is bent by the tool;
Fig. 6 is an elevational view similar to Fig. 4,
2 except showing how the tool is used for making a left-handed-bend in the rod, and
7 isan elevational- View of the rod. after being bent into U-shape toform a channel supporting hanger for building construction.
Referring more particularly to Figs. 1, Z and 3, numerals I and 2' denote handles made of fiat steel bars or of other. suitable: material, which handles are pivotally: connected together at one endthereof by means or a pivot. pin 3, one end of which pin is weldedtohandle IT. At the other end. of the pivot pin 3; there is. integrally secured a safety guide element: t which is. in the form of a block of steel having a groove 4aextending therethrough whose width limits: the! diameter of theirod or tube. extending through. the groove to be bent by the tool- The width of such groove, of course, is. dependent upon the over-all size of the tool. and can be made larger for larger size tools. For example, if. the width of the groove is /4", the depth can: be. Pivot pin1.3- extends through a hole: of. slightly larger diameter formedat; one end of handle 2.
Adjacent the-pivotally' connected end of handle there is mounted. a. roller bearing elementconn prising: a pivot pin 5.; one end of which is weld'e'd at 6. tohandle 2 and the. other end is. flattened to provide a head; i which will confine abearing sleeve 8.
The operation of the tool may be better understood by reference to Fig. 4 which shows a rod 9 emerging from a ceiling I0, which rod, while initially straight and vertical, is to be bent into the shape of a hanger to provide a support for supporting a channel such as used in building construction, or other elements. Handle I is held in a, substantially horizontal position, as shown in Figs. 1 and 4, so that the vertically extending rod 9 will be extended through groove 4a in the guide element 4 while handle 2 is held in such position that the roller bearing mounted thereon is at the left of the rod as viewed in Fig. 4. Bar 2 is then pivotally swung in a counterclockwise direction from the full to the dot-anddash line position 2a as indicated so as to bend rod 9 from the full to the clot-and-dash line 9a, thereby forming an L-shaped right-hand bend.
t will be noted that rod 9 is snugly guided and held within the guide leement 4, and as sleeve 8 is forced against and rolled along the surface of rod 9 providing an anti-friction rolling con-,
nection, the rod will be bent along a smooth and short curvature as indicated. In .order to shape rod 9 into the form of a hanger, such as commonly used for supporting channels in building construction, such as channel ll shown in Fig. '7, the tool, after an initial L-shaped bend, such as 91:, has been perfected, is moved upwardly to the position shown in Fig. 5, after which rod 911 is bent again along a portion closer to the center of the rod. That is, handle 2 is pivotally moved again in a counter-clockwise direction from full line position to the dot-and-dash line position 21) and at the same time, rod 9 will be bent from the shape shown in the full line position to the dot-and-dash line position 91), thereby providing a substantially U-shaped bend.
The final shape of rod 9 is more clearly shown in Fig. '7. After a plurality of bends, such as shown in Fig. 7, are provided, a steel channel I I may be supported by a number of spaced rods, such as 9. Of course, other elements may be supported by rods 9 as well.
Fig. 6 shows the manner the tool may be used for making a left-hand bend instead of a righthand bend on rod 9. Handle I is extended horizontally towards the right while handle 2 is pivotally moved so that the roller bearing element mounted thereon is at the right-hand side of the rod 9. While handle I is held stationary, handle 2 is moved in a clockwise direction to the position shown in dot-and-dash lines 20, thereby bending rod 9 to the position shown in dot-and-dash lines 90, thus making a left-hand bend. Of course, to provide a U-shaped bend to rod 9, the tool is lifted to an intermediate position, similar to that shown in Fig. 5, to provide a second left-hand bend for completing the U- shaped bend. Rod. 9 will carry a metal lathe and plastered ceiling (not shown).
Thus it will be seen that I have provided a highly efi'icient device or tool for bending solid or tubular rods or wires, and which is particularly useful for bending hangers emerging from ceilings in building construction for supporting channels and the like; furthermore, I have provided a rod and wire bending tool which is of relatively simple construction, therefore economical to manufacture, and which embodies a safety feature preventing the entrance of oversized rods or wires through the guide element which might otherwise break the tool if bending thereof were to be attempted.
While I have illustrated and described a certain specific embodiment of my invention, it will be understood that this is by way of illustration only, and that various changes and modifications may be made within the contemplation of my invention and within the scope of the following claim.
I claim:
A tool for bending rods and the like, comprising a pair of flat handles of uniform thickness, a solid cylindrical pivot pin having a head portion welded to the end of one handle, the other handle having a circular hole formed at one end which encircles said pivot pin for providing a pivot for said handles on the axis of said pivot pin, a guide element integrally secured to the other end of said pivot pin to form therewith a one-piece element, said guide element being in the form of a fiat piece of metal having a vertical, substantially rectangular slot cut therethrough disposed in axial alignment with the pivot pin and extending at right angles to said one handle, said slot being straight and of uniform width for limiting the lateral movement of the rod therein, a second cylindrical pivot pin welded on said other, hole-bearing handle adjacent the points where said handles are pivotally connected together, a hollow cylindrical sleeve encircling said second pivot pin, a flattened head on said second pin for confining said sleeve, whereby said sleeve provides a rolling anti-friction bearing element for pressing against the rod which is moved into said groove and for bending it as the result of pivotal movement of said handles.
References Cited in the file of this patent UNITED STATES PATENTS Anderson Nov. 18,
Publications (1)
Publication Number | Publication Date |
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US2675723A true US2675723A (en) | 1954-04-20 |
Family
ID=3440258
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US2675723D Expired - Lifetime US2675723A (en) | Pivoted rod bending hand tool |
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Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2857792A (en) * | 1956-11-21 | 1958-10-28 | George D Mcnish | Hand tool bender for metal lath hangers |
US2873635A (en) * | 1957-04-29 | 1959-02-17 | Gerald T Waldron | Bending tool for wire rod hangers |
US3202186A (en) * | 1961-11-06 | 1965-08-24 | Louis L Luberacki | Ceiling hangers and tools for forming same |
US3426575A (en) * | 1966-11-25 | 1969-02-11 | Hydralink Corp | Bending tool for mounted fittings |
US3847189A (en) * | 1973-03-20 | 1974-11-12 | J Guzda | Wire cutting and bending tool |
FR2549399A1 (en) * | 1983-07-19 | 1985-01-25 | Mure Ets | Tool for straightening out or shaping profiles, especially reinforcing members, embedded at one end. |
EP0256974A2 (en) * | 1986-08-14 | 1988-02-24 | Egco Ag | Apparatus for bending concrete reinforcing steel |
US5113685A (en) * | 1991-01-28 | 1992-05-19 | Acromed Corporation | Apparatus for contouring spine plates and/or rods |
US5327769A (en) * | 1990-04-09 | 1994-07-12 | Bobby Price | Apparatus for straightening rail car handhold safety appliances |
US5901600A (en) * | 1997-08-06 | 1999-05-11 | Decker; Ronald R. | Rod bending device |
US6418773B1 (en) * | 2001-02-23 | 2002-07-16 | Gerald L. Tolman | Rebar bender/cutter |
US6997030B1 (en) * | 2005-01-14 | 2006-02-14 | Jason Brian Williams | Rebar bending tool |
US7624608B1 (en) * | 2009-02-05 | 2009-12-01 | Marcus Karty | Rebar bending device |
US20100024515A1 (en) * | 2008-07-30 | 2010-02-04 | Curtis Robert Hough | Tool to aide in the bending of rebar (reinforced steel bars) on construction site |
US8359892B1 (en) * | 2010-10-28 | 2013-01-29 | Marcus Karty | Rebar bending device |
WO2014004624A1 (en) * | 2012-06-26 | 2014-01-03 | Afl Telecommunications Llc | Wire bend fixture |
US9623465B1 (en) * | 2016-02-16 | 2017-04-18 | Kenneth L. Bergstrom | Manually operated rod stock bending device |
US9839463B2 (en) | 2012-09-06 | 2017-12-12 | Stryker European Holdings I, Llc | Instrument for use in bending surgical devices |
US10405908B2 (en) | 2014-12-18 | 2019-09-10 | Warsaw Orthopedic, Inc. | Apparatus and method for forming support device for effecting orthopedic stabilization |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1261849A (en) * | 1917-10-08 | 1918-04-09 | James Robinson Scott | Metal-bending tool. |
US1319798A (en) * | 1919-10-28 | Metal-bending- device | ||
US1879869A (en) * | 1930-05-21 | 1932-09-27 | Breer Carl | Bending tool |
US1879868A (en) * | 1929-10-12 | 1932-09-27 | Breer Carl | Bending tool |
US1902881A (en) * | 1930-09-10 | 1933-03-28 | Schraders Son Inc | Valve bending tool |
US2183806A (en) * | 1939-04-11 | 1939-12-19 | Samuel S Colt | Form tie extracting means |
US2192428A (en) * | 1938-04-08 | 1940-03-05 | Bernard William Vernon | Rod bender |
US2263345A (en) * | 1940-03-07 | 1941-11-18 | William M Anderson | Tire valve bending tool |
-
0
- US US2675723D patent/US2675723A/en not_active Expired - Lifetime
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1319798A (en) * | 1919-10-28 | Metal-bending- device | ||
US1261849A (en) * | 1917-10-08 | 1918-04-09 | James Robinson Scott | Metal-bending tool. |
US1879868A (en) * | 1929-10-12 | 1932-09-27 | Breer Carl | Bending tool |
US1879869A (en) * | 1930-05-21 | 1932-09-27 | Breer Carl | Bending tool |
US1902881A (en) * | 1930-09-10 | 1933-03-28 | Schraders Son Inc | Valve bending tool |
US2192428A (en) * | 1938-04-08 | 1940-03-05 | Bernard William Vernon | Rod bender |
US2183806A (en) * | 1939-04-11 | 1939-12-19 | Samuel S Colt | Form tie extracting means |
US2263345A (en) * | 1940-03-07 | 1941-11-18 | William M Anderson | Tire valve bending tool |
Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2857792A (en) * | 1956-11-21 | 1958-10-28 | George D Mcnish | Hand tool bender for metal lath hangers |
US2873635A (en) * | 1957-04-29 | 1959-02-17 | Gerald T Waldron | Bending tool for wire rod hangers |
US3202186A (en) * | 1961-11-06 | 1965-08-24 | Louis L Luberacki | Ceiling hangers and tools for forming same |
US3426575A (en) * | 1966-11-25 | 1969-02-11 | Hydralink Corp | Bending tool for mounted fittings |
US3847189A (en) * | 1973-03-20 | 1974-11-12 | J Guzda | Wire cutting and bending tool |
FR2549399A1 (en) * | 1983-07-19 | 1985-01-25 | Mure Ets | Tool for straightening out or shaping profiles, especially reinforcing members, embedded at one end. |
EP0256974A2 (en) * | 1986-08-14 | 1988-02-24 | Egco Ag | Apparatus for bending concrete reinforcing steel |
EP0256974A3 (en) * | 1986-08-14 | 1990-01-31 | Egco Ag | Apparatus for bending concrete reinforcing steel |
US5327769A (en) * | 1990-04-09 | 1994-07-12 | Bobby Price | Apparatus for straightening rail car handhold safety appliances |
US5113685A (en) * | 1991-01-28 | 1992-05-19 | Acromed Corporation | Apparatus for contouring spine plates and/or rods |
US5901600A (en) * | 1997-08-06 | 1999-05-11 | Decker; Ronald R. | Rod bending device |
US6418773B1 (en) * | 2001-02-23 | 2002-07-16 | Gerald L. Tolman | Rebar bender/cutter |
US6997030B1 (en) * | 2005-01-14 | 2006-02-14 | Jason Brian Williams | Rebar bending tool |
US20100024515A1 (en) * | 2008-07-30 | 2010-02-04 | Curtis Robert Hough | Tool to aide in the bending of rebar (reinforced steel bars) on construction site |
US7673492B2 (en) * | 2008-07-30 | 2010-03-09 | Curtis Robert Hough | Tool to aide in the bending of rebar (reinforced steel bars) on construction site |
US7624608B1 (en) * | 2009-02-05 | 2009-12-01 | Marcus Karty | Rebar bending device |
US8359892B1 (en) * | 2010-10-28 | 2013-01-29 | Marcus Karty | Rebar bending device |
WO2014004624A1 (en) * | 2012-06-26 | 2014-01-03 | Afl Telecommunications Llc | Wire bend fixture |
US9731338B2 (en) | 2012-06-26 | 2017-08-15 | Afl Telecommunications Llc | Wire bend fixture |
US9839463B2 (en) | 2012-09-06 | 2017-12-12 | Stryker European Holdings I, Llc | Instrument for use in bending surgical devices |
US10405908B2 (en) | 2014-12-18 | 2019-09-10 | Warsaw Orthopedic, Inc. | Apparatus and method for forming support device for effecting orthopedic stabilization |
US9623465B1 (en) * | 2016-02-16 | 2017-04-18 | Kenneth L. Bergstrom | Manually operated rod stock bending device |
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