US2582056A - Pliers for bending connecting clips - Google Patents

Pliers for bending connecting clips Download PDF

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Publication number
US2582056A
US2582056A US2582056DA US2582056A US 2582056 A US2582056 A US 2582056A US 2582056D A US2582056D A US 2582056DA US 2582056 A US2582056 A US 2582056A
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Prior art keywords
pliers
wire
spring
clip
jaws
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Expired - Lifetime
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/02Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B7/00Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
    • B25B7/02Jaws
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B7/00Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
    • B25B7/20Pliers for sealing

Definitions

  • This invention relates to improvements in pliers for securing two lengths of wire together in generally parallel relation.
  • the object of the invention is to provide an improved construction for such pliers which will make possible a tighter and more eflicient connection of the wire to the spring over a wider range of sizes of the wire and spring,
  • Fig. 1 is a side elevational View of the head portion of a pair of pliers embodying the invention
  • Fig. 2 is a top plan view of the structure shown in Fig. 1;
  • Fig. 3 is a detail sectional view substantially on line 33 of Fig. 2 of the bridge element of the pliers;
  • Fig. 4 is a detail, generally perspective view of the form of clip applied by the pliers
  • Fig. 5 is a diagrammatic view showing the pliers adjusted for securing a wire of relatively small cross section to a spring formed of wire of relatively small cross section;
  • Fig. 6 is .a similar view showing the pliers adjusted for an intermediate size of wire and spring.
  • Fig. 7 is a similar view showing the pliers adjusted for a relatively large wire and spring.
  • the pliers are shown as comprising two plier members I and 2 pivotally connected together by a U-shaped member, generally indicated at 3, which is pivoted at 4 and 5 to the members I and 2.
  • the cross members 6 of member 3 is grooved at I to form the saddle member of the pliers.
  • a compression spring 8 is suitably engaged between the members I and 2 above the pivots 4 and 5 to normally hold the pliers open.
  • the head end of member 2 is formed with projection or jaw 9 adapted to enter between spaced projections or jaws I0 formed on the head end of member I.
  • an elongated strip I l releasably secured in the groove by a U-shaped spring member I2 having member II is positioned beneath it, lies slightly below the upper edges of the saddle groove.
  • a deformable clip I5 such as shown in Fig. 4, is positioned in the saddle groove I as shown for example in Fig. 5.
  • the clip I5 has a trough portion I6 from one side ed e of which projects a tongue I'I adapted to be positioned in front of jaw 9, the opposite edge of the clip being formed with spaced extensions I8, which lie in the path of jaws III of the pliers.
  • the length of wire I9 and the portion 20 of the top convolution of a coil spring to which the wire is to be attached are positioned in the trough portion I6 of the clip.
  • the clip is formed with inwardly extending bosses 2
  • the desired relationship of the jaws 9 and II) with the upper face of wire and the coil spring may be obtained by removal of member I I from beneath the spring clip I 2 as illustrated in Fig. 6; and where the wire and spring are of still larger cross section both the spring I2 andmember I4 may be removed as in Fig. '7, to maintain the desired relationship between the jaws 9 and I0 and the upper surfaces of the wire and spring.
  • a pair of pliers for. bending clips about wire members which comprises a saddle member, a pair of plier members pivoted to said saddle member for movement toward each other, said plier members being provided :with interfitting jaws, a groove formed in the saddle member for receiving a clip having upstanding sides engageable by the 2,682,056 Y 3 4 jaws, shoulders formed on the saddle member at the ends of the groove, a fiat spacing member 200- REFERENCES CITED sitioned in said groove, and a fiat spring member
  • the references are of record in the having inwardly turned end portions engaging the file of 171115 Patent: end faces of the saddle member below said shoulder for releasably retaining the spacer and the in- UNITED STATES PATENTS termediate portion of the spring in said groove, Number Name Date the combined thickness of said spacer and spring ,7 0 Baldwin 1899 being slightly less than the depth of the groove.

Description

Jan. 8, 1952 w, MOUNT 2,582,056
PLIERS FOR BENDING CONNECTING CLIPS ABOUT WIRE MEMBERS Filed June 6, 1949 INVENTOR Gram MMouA/r BY M0 214? W A TORNE S Patented Jan. 8, 1952 UNITED T- PATENT fOFF I CE PLIERS FOR BENDING CONNECTING CLIPS, ABOUT WIRE MEMBERS George W. Mount, Greenfield, Mass.
Application June 6, 1949, Serial No. 97,334
1 1 Claim.
This invention relates to improvements in pliers for securing two lengths of wire together in generally parallel relation.
In the fabrication of structures comprising coiled wire spring assemblies for various purposes, it is customary to upset a metal clip around substantially parallel portions of wire members to hold the assembly together. For example, in coiled wire spring assemblies for beds, couches, and similar articles the coiled springs are con nected together by wires secured to the'top convolution of adjacent springs by metal clips. These metal clips are of generally channel form and the edge portions which are formed with staggered projections, are bent toward each other and around the wire and the end convolution of the spring by pliers having jaws which engage the edge extensions of the clip.
The object of the invention is to provide an improved construction for such pliers which will make possible a tighter and more eflicient connection of the wire to the spring over a wider range of sizes of the wire and spring,
In the accompanying drawings,
Fig. 1 is a side elevational View of the head portion of a pair of pliers embodying the invention;
Fig. 2 is a top plan view of the structure shown in Fig. 1;
Fig. 3 is a detail sectional view substantially on line 33 of Fig. 2 of the bridge element of the pliers;
Fig. 4 is a detail, generally perspective view of the form of clip applied by the pliers;
Fig. 5 is a diagrammatic view showing the pliers adjusted for securing a wire of relatively small cross section to a spring formed of wire of relatively small cross section;
Fig. 6 is .a similar view showing the pliers adjusted for an intermediate size of wire and spring; and
Fig. 7 is a similar view showing the pliers adjusted for a relatively large wire and spring.
Referring to the drawings, the pliers are shown as comprising two plier members I and 2 pivotally connected together by a U-shaped member, generally indicated at 3, which is pivoted at 4 and 5 to the members I and 2. The cross members 6 of member 3 is grooved at I to form the saddle member of the pliers. A compression spring 8 is suitably engaged between the members I and 2 above the pivots 4 and 5 to normally hold the pliers open. The head end of member 2 is formed with projection or jaw 9 adapted to enter between spaced projections or jaws I0 formed on the head end of member I. Positioned in the saddle groove 1 is an elongated strip I l releasably secured in the groove by a U-shaped spring member I2 having member II is positioned beneath it, lies slightly below the upper edges of the saddle groove.
In operation a deformable clip I5, such as shown in Fig. 4, is positioned in the saddle groove I as shown for example in Fig. 5. The clip I5 has a trough portion I6 from one side ed e of which projects a tongue I'I adapted to be positioned in front of jaw 9, the opposite edge of the clip being formed with spaced extensions I8, which lie in the path of jaws III of the pliers. The length of wire I9 and the portion 20 of the top convolution of a coil spring to which the wire is to be attached are positioned in the trough portion I6 of the clip. Usually, the clip is formed with inwardly extending bosses 2| which maintain' the portions of wire I9 and spring 20 which are within the clip adjacent the sides of the latter. As will be obvious in Fig. 5 inward movement of the projections 9 and I0 will bend the extensions I! and I8 of the clip over and onto the wire I9 and spring 20, as shown in dotted lines, to secure them together. For the best operation the upper sides of the wire and spring should be positioned closely adjacent the level of the lower edges of the jaws 9 and I0 so that as the jaws 9 and I0 bend the extensions of the clip toward each other the extensions are bent tightly over the wire and spring, the latter being moved toward each other and up the sides of the bosses 2 I, the latter acting as wedges to form a tight assembly.
When the wire and spring are of larger cross section than that illustrated in Fig. 5, the desired relationship of the jaws 9 and II) with the upper face of wire and the coil spring may be obtained by removal of member I I from beneath the spring clip I 2 as illustrated in Fig. 6; and where the wire and spring are of still larger cross section both the spring I2 andmember I4 may be removed as in Fig. '7, to maintain the desired relationship between the jaws 9 and I0 and the upper surfaces of the wire and spring.
What I claim is:
A pair of pliers for. bending clips about wire members which comprises a saddle member, a pair of plier members pivoted to said saddle member for movement toward each other, said plier members being provided :with interfitting jaws, a groove formed in the saddle member for receiving a clip having upstanding sides engageable by the 2,682,056 Y 3 4 jaws, shoulders formed on the saddle member at the ends of the groove, a fiat spacing member 200- REFERENCES CITED sitioned in said groove, and a fiat spring member The references are of record in the having inwardly turned end portions engaging the file of 171115 Patent: end faces of the saddle member below said shoulder for releasably retaining the spacer and the in- UNITED STATES PATENTS termediate portion of the spring in said groove, Number Name Date the combined thickness of said spacer and spring ,7 0 Baldwin 1899 being slightly less than the depth of the groove. 73 Baker "-----v- June 30, 1903 10 834,941 Staples NOV. 6, 1906 GEORGE W MOUNT, 2,233,292 Lewin Feb. 25, 1941
US2582056D Pliers for bending connecting clips Expired - Lifetime US2582056A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2942269A (en) * 1959-04-10 1960-06-28 Anstin Samuel Bending tool
US3091770A (en) * 1961-05-15 1963-06-04 Herman J Mcmurray Ear tag pliers
US5307664A (en) * 1991-03-18 1994-05-03 Hewing Gmbh Jointing clamp for pressing pipe connections

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US619710A (en) * 1899-02-21 Charles c
US732501A (en) * 1903-01-05 1903-06-30 William J Baker Pliers for clamping clips on wires.
US834941A (en) * 1905-09-02 1906-11-06 John A Staples Bending-tool.
US2233292A (en) * 1938-09-10 1941-02-25 Jacob W Lewin Pipe bender

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US619710A (en) * 1899-02-21 Charles c
US732501A (en) * 1903-01-05 1903-06-30 William J Baker Pliers for clamping clips on wires.
US834941A (en) * 1905-09-02 1906-11-06 John A Staples Bending-tool.
US2233292A (en) * 1938-09-10 1941-02-25 Jacob W Lewin Pipe bender

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2942269A (en) * 1959-04-10 1960-06-28 Anstin Samuel Bending tool
US3091770A (en) * 1961-05-15 1963-06-04 Herman J Mcmurray Ear tag pliers
US5307664A (en) * 1991-03-18 1994-05-03 Hewing Gmbh Jointing clamp for pressing pipe connections
US5377400A (en) * 1991-03-18 1995-01-03 Hewing Gmbh Jointing clamp and method for pressing pipe connections

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