US133536A - Improvement in wrenches - Google Patents

Improvement in wrenches Download PDF

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Publication number
US133536A
US133536A US133536DA US133536A US 133536 A US133536 A US 133536A US 133536D A US133536D A US 133536DA US 133536 A US133536 A US 133536A
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US
United States
Prior art keywords
rod
wrench
improvement
bushing
wrenches
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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
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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
    • B25B13/48—Spanners; Wrenches for special purposes
    • B25B13/50—Spanners; Wrenches for special purposes for operating on work of special profile, e.g. pipes
    • B25B13/54—Internal grip wrenches

Definitions

  • Figure 1 is a. sectional view of the wrench
  • Fig. 2 a. perspective View of the wrench and bushing.
  • A is the handle of the wrench; B, the projection which tits into the inside of the bushing; O, a. rod which runs down through the projection B in a. hole nearer one side than the other; D, :t piece on the end of the rod O which ts into a. recess in the bottom of B 5 E, a. knob on the top of rod C; F, spring on rod O, under knob E, which holds the rod C up in pla-ce; G, a screw in the top of rod O which holds knob E on securely in place; H, the bush; I, the projection on the bottom of the bushing which the part of the wrench D strikes against to screw the bushing into place.
  • this wrench is as follows: The part B is placed in the bush, and the 0peretor then takes hold of the knob E and turns it, and as it turns the part D at the bottom is turned out and catches against the projection I in the bushing, and then the handle A and the bush will turn with it and be screwed home.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Dental Prosthetics (AREA)

Description

UNITED STATES WILLIAM JOHNSON, OF MILWAUKEE, WISCONSIN IMPROVEMENT IN WRENCHS.
Specification forming part of Letters Patent No. 133,536, dated December 3, 1h72.
To all lwhom it may concern: I
Be it known that I, WILLIAM JOHNSON, of Milwaukee, in the county of Milwaukeeand in the State of Wisconsin, have invented certain Improvements in Wrench, of which the following is a specification:
N @ture cmd Object of the Invent/ion.
Description ofthe Drawing forming part of this Specification.
Figure 1 is a. sectional view of the wrench;
Fig. 2, a. perspective View of the wrench and bushing.
General Description.
A is the handle of the wrench; B, the projection which tits into the inside of the bushing; O, a. rod which runs down through the projection B in a. hole nearer one side than the other; D, :t piece on the end of the rod O which ts into a. recess in the bottom of B 5 E, a. knob on the top of rod C; F, spring on rod O, under knob E, which holds the rod C up in pla-ce; G, a screw in the top of rod O which holds knob E on securely in place; H, the bush; I, the projection on the bottom of the bushing which the part of the wrench D strikes against to screw the bushing into place.
The operation of this wrench is as follows: The part B is placed in the bush, and the 0peretor then takes hold of the knob E and turns it, and as it turns the part D at the bottom is turned out and catches against the projection I in the bushing, and then the handle A and the bush will turn with it and be screwed home.
Claim.
The combination and arrangement of projee tion B, rod C, piece D, and knob E, substantially as and for the purpose set forth. v
WILLIAM JOHNSON.
Witnesses:
J. B. SMITH, E. J. SMITH.
PATENT OFFICE.
US133536D Improvement in wrenches Expired - Lifetime US133536A (en)

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US133536A true US133536A (en) 1872-12-03

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US133536D Expired - Lifetime US133536A (en) Improvement in wrenches

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6644149B2 (en) * 2001-09-17 2003-11-11 Newfrey Llc Extraction tool for tanged helically coiled inserts with improved removability
US20080190252A1 (en) * 2007-02-08 2008-08-14 Zimmer, Inc. Global nail screw retaining screwdriver
US20110061501A1 (en) * 2009-09-17 2011-03-17 Qun Jia Signal lock tool

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6644149B2 (en) * 2001-09-17 2003-11-11 Newfrey Llc Extraction tool for tanged helically coiled inserts with improved removability
US20080190252A1 (en) * 2007-02-08 2008-08-14 Zimmer, Inc. Global nail screw retaining screwdriver
US20110061501A1 (en) * 2009-09-17 2011-03-17 Qun Jia Signal lock tool

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