US1443002A - Wrench - Google Patents

Wrench Download PDF

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Publication number
US1443002A
US1443002A US538854A US53885422A US1443002A US 1443002 A US1443002 A US 1443002A US 538854 A US538854 A US 538854A US 53885422 A US53885422 A US 53885422A US 1443002 A US1443002 A US 1443002A
Authority
US
United States
Prior art keywords
bar
shank
lever
wrench
jaw
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US538854A
Inventor
Buker Ray
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to US538854A priority Critical patent/US1443002A/en
Application granted granted Critical
Publication of US1443002A publication Critical patent/US1443002A/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00—Spanners; Wrenches
    • B25B13/10—Spanners; Wrenches with adjustable jaws
    • B25B13/12—Spanners; Wrenches with adjustable jaws the jaws being slidable
    • B25B13/14—Spanners; Wrenches with adjustable jaws the jaws being slidable by rack and pinion, worm or gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00—Spanners; Wrenches
    • B25B13/10—Spanners; Wrenches with adjustable jaws
    • B25B13/12—Spanners; Wrenches with adjustable jaws the jaws being slidable
    • B25B13/18—Spanners; Wrenches with adjustable jaws the jaws being slidable by cam, wedge, or lever

Definitions

  • An object of the invention to provide a wrench which is designed to grip nuts or other objects by applying pressure on a lever after the jaws have been adjusted with the thumb screw to loosely fit the object to be gripped.
  • FIG. 1 is a side elevation of the improved wrench
  • Fig. 2 is a central longitudinal section.
  • Fig. 3 is a front elevation of a part of the wrench
  • Fig. 4 is a cross section on the line 4-4: of Fig. 2. i
  • the improved wrench comprises a shank 1 which is U-shaped in cross section, A bar 2 slides within the shank. It has a face 8 against which a cam 4i bears.
  • the cam is part of a lever 5 which is pivoted at 6 between ears 7 of the shank.
  • a spring 8 (Fig. 5).) iormally holds the lever 5 in the extended position shown in full lines, at which time a shoulder 9 on the lever engages the front face oi? the bar 2.
  • the bar Q Upon gripping the wrench and moving the lever to the dotted line position, the bar Qis moved forwardly within the lJ-shank 1., so that the aw 10 is made to trip an object 11 against a jaw 12 which is a part oi? the shank.
  • the bar 2 moves against the tension of an expansion spring 13.
  • This spring is housed within the ll-shank and a recess 14; in the back of the bar.
  • the end 15 of the bar is adapted to enter a recess 16 in the jaw 12 when the lever 5 is depressed.
  • the end 15 is somewhat reduced for the purpose, and
  • the recess 16 acts as a guide for the slide bar.
  • the jaw 10 is part of a carriage 17 which is moved along the shank 1 by turning a screw 18. This screw is suitably mounted on the carriage, and it engages corresponding teeth 19 on the exposed face of the bar 2.
  • the carriage 1? is adjusted by means of the screw 18 until the jaw 10 loose- 1y grips the object 11.
  • the operator grasps the shank 1, depresses the handle 5 to the dotted line position and secures a firm grip on the object. It is the movement of the cam 4i against the face 3 oil? the bar that forces thebar along the shank and produces the secure grip of the jaw 10 on the object.
  • the jaws can be adjusted with the thumb screw 18 so that they tighten on the object,when the lever 5 is in the most convenient place for the operator to grip.
  • the position of the jaws does not determine the position of the lever.
  • the leverage increases as the lever is moved toward the shank, making it possible to maintain a tight grip on the object with relatively light pressure on the lever.
  • the jaws are made smooth when it is intended that the wrench be used for turning nuts or other flat objects, and rough or toothed when it is intended to be used for turning pipe, etc. T is various parts of the wrench may also be cast singly or manuiactured otherwise, practice may determine to be best.
  • a wrench comprising a U-shank with a head having a recess, a recessed bar mounted in the shank with a portion adapted to be guided in the recess of the head, a carriage slidable on the shank, having a'jaw and a thumb screw by which the carriage is ad justed along the bar, a lever pivoted on the shank and having a cam engaging a taco of the bar to move the bar when the lever is depressed.
  • a spring tending to normally keep the lever extended from the shank, a shoulder on the lever to engage the bar to limit the extension, and a spring in the bar-recess to oppose the shifting of the bar.

Description

Jan 23, 1923., L MSJPW,
R. BUKER.
WRENCH.
,FILED FEB. 24, 1922'.
mm mm.
l/VVE/VTOR ATTORNEYS Patented Jan. 23, 1%23.
nirisu hi l WRENCH.
Application filed February 24, 1922. Serial No. 538,854.
F all whom it may concern/.1
Beit known that I, RAY BUKER, a citizen of the United States, and a resident of Castle Rock, in the county of Cowlitz and State of Washington, have invented certain new and useful Improvements in Wrenches, oi? which the "following is a specification My invention relates to improvei'nents in wrenches and it consists substantially in the constructions, combinations and mode of operation herein described and claimed.
An object of the invention to provide a wrench which is designed to grip nuts or other objects by applying pressure on a lever after the jaws have been adjusted with the thumb screw to loosely fit the object to be gripped.
Other objects and advantages will appear in the liillowing specification, reference being had to the accompanying drawing, in which Fig. 1 is a side elevation of the improved wrench,
Fig. 2 is a central longitudinal section.
Fig. 3 is a front elevation of a part of the wrench, and
Fig. 4 is a cross section on the line 4-4: of Fig. 2. i
In its construction the improved wrench comprises a shank 1 which is U-shaped in cross section, A bar 2 slides within the shank. It has a face 8 against which a cam 4i bears. The cam is part of a lever 5 which is pivoted at 6 between ears 7 of the shank.
A spring 8 (Fig. 5).) iormally holds the lever 5 in the extended position shown in full lines, at which time a shoulder 9 on the lever engages the front face oi? the bar 2. Upon gripping the wrench and moving the lever to the dotted line position, the bar Qis moved forwardly within the lJ-shank 1., so that the aw 10 is made to trip an object 11 against a jaw 12 which is a part oi? the shank.
The bar 2 moves against the tension of an expansion spring 13. This spring is housed within the ll-shank and a recess 14; in the back of the bar. The end 15 of the bar is adapted to enter a recess 16 in the jaw 12 when the lever 5 is depressed. The end 15 is somewhat reduced for the purpose, and
the recess 16 acts as a guide for the slide bar. The jaw 10 is part of a carriage 17 which is moved along the shank 1 by turning a screw 18. This screw is suitably mounted on the carriage, and it engages corresponding teeth 19 on the exposed face of the bar 2. In operation, the carriage 1? is adjusted by means of the screw 18 until the jaw 10 loose- 1y grips the object 11. The operator then grasps the shank 1, depresses the handle 5 to the dotted line position and secures a firm grip on the object. It is the movement of the cam 4i against the face 3 oil? the bar that forces thebar along the shank and produces the secure grip of the jaw 10 on the object. The jaws can be adjusted with the thumb screw 18 so that they tighten on the object,when the lever 5 is in the most convenient place for the operator to grip. The position of the jaws does not determine the position of the lever. The leverage increases as the lever is moved toward the shank, making it possible to maintain a tight grip on the object with relatively light pressure on the lever. Obviously the jaws are made smooth when it is intended that the wrench be used for turning nuts or other flat objects, and rough or toothed when it is intended to be used for turning pipe, etc. T is various parts of the wrench may also be cast singly or manuiactured otherwise, practice may determine to be best.
I claim A wrench comprising a U-shank with a head having a recess, a recessed bar mounted in the shank with a portion adapted to be guided in the recess of the head, a carriage slidable on the shank, having a'jaw and a thumb screw by which the carriage is ad justed along the bar, a lever pivoted on the shank and having a cam engaging a taco of the bar to move the bar when the lever is depressed. a spring tending to normally keep the lever extended from the shank, a shoulder on the lever to engage the bar to limit the extension, and a spring in the bar-recess to oppose the shifting of the bar.
RAY BUKEH.
US538854A 1922-02-24 1922-02-24 Wrench Expired - Lifetime US1443002A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US538854A US1443002A (en) 1922-02-24 1922-02-24 Wrench

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US538854A US1443002A (en) 1922-02-24 1922-02-24 Wrench

Publications (1)

Publication Number Publication Date
US1443002A true US1443002A (en) 1923-01-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
US538854A Expired - Lifetime US1443002A (en) 1922-02-24 1922-02-24 Wrench

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2598287A (en) * 1949-04-05 1952-05-27 George B Murphy Sheet metal cutter
US2615181A (en) * 1947-08-26 1952-10-28 James H Mcgaughey Combined slidable jaw wire cutting and holding tool

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2615181A (en) * 1947-08-26 1952-10-28 James H Mcgaughey Combined slidable jaw wire cutting and holding tool
US2598287A (en) * 1949-04-05 1952-05-27 George B Murphy Sheet metal cutter

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