US182591A - Improvement in wrenches - Google Patents

Improvement in wrenches Download PDF

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Publication number
US182591A
US182591A US182591DA US182591A US 182591 A US182591 A US 182591A US 182591D A US182591D A US 182591DA US 182591 A US182591 A US 182591A
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United States
Prior art keywords
shank
wrenches
bar
jaw
improvement
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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
    • B25B13/20—Arrangements for locking the jaws
    • B25B13/22—Arrangements for locking the jaws by ratchet action or toothed bars

Definitions

  • the spring H passes through the MER, of Salt Lake City, in the county of Salt hole in the movable jaw D, and its end is se- Lake and Territory of Utah, have invented a cured to the forward side of the heel of said new and useful Improvement in Wrenches, of jaw.
  • the hole through the jaw D is slightly which the following is a specification: tapered, as shown in the figure, to allow the The figure is a side view of my improved free end of the bar E to be raised enough to wrench, part being broken away to show the free its teeth from the teeth of the shank B, construction.
  • the object of this invention is to furnish an required.
  • improved wrench which shall be simple in the strain upon the jaws A D holds the teeth construction, easily and quickly adjusted, of the bar E in gear with the teeth of the strong and firm in use, and not liable to get shank B, the spring H keeping the movable out of order. jaw D from getting out of place while shift-
  • the invention will first be described in coning the wrench upon the work.
  • the tension nection with the drawing, and then pointed of the spring H is regulated by the set-screw out in claim.
  • G and is designed to be such as to hold the A is a stationary jaw, which is attached to bar E with suflicient force to keep the said the outer end of the shank B.
  • the handle 0. to be raised out of gear with the shank B by D is the movable jaw which slides upon the taking hold ofits free end with the thumb and shank 'B, and to which is rigidly attached a finger.

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

Description

A. M. MORTIMER WRENCEHES.
N0.18z,591, Patented Sept. 26, 1876'.
WITNESSES INVEITOI Q QW ATTORNEYS.
N PETERS. PHOTELUTHUGRAPHER. WASHINGTONv I! C,
UNITED STATES PATENT OFFICE.
ANDREW M. MORTIMER, OF SALT LAKE CITY, UTAH TERRITORY.
IMPROVEMENT IN WRENCHES.
Specification forming part of Letters Patent N o. l82,591,'dated September 26, 1876; application filed August 14, 1876.
To all whom it may concern through the loop F at the rear edge of the Be it known that I, ANDREW M. MORTI- shank B. The spring H passes through the MER, of Salt Lake City, in the county of Salt hole in the movable jaw D, and its end is se- Lake and Territory of Utah, have invented a cured to the forward side of the heel of said new and useful Improvement in Wrenches, of jaw. The hole through the jaw D is slightly which the following is a specification: tapered, as shown in the figure, to allow the The figure is a side view of my improved free end of the bar E to be raised enough to wrench, part being broken away to show the free its teeth from the teeth of the shank B, construction. and allow the movable jaw D to be adjusted as The object of this invention is to furnish an required. When the wrench is being used improved wrench, which shall be simple in the strain upon the jaws A D holds the teeth construction, easily and quickly adjusted, of the bar E in gear with the teeth of the strong and firm in use, and not liable to get shank B, the spring H keeping the movable out of order. jaw D from getting out of place while shift- The invention will first be described in coning the wrench upon the work. The tension nection with the drawing, and then pointed of the spring H is regulated by the set-screw out in claim. G, and is designed to be such as to hold the A is a stationary jaw, which is attached to bar E with suflicient force to keep the said the outer end of the shank B. To the other bar E in place, and at the same time allow it end of the shank B is attached the handle 0. to be raised out of gear with the shank B by D is the movable jaw which slides upon the taking hold ofits free end with the thumb and shank 'B, and to which is rigidly attached a finger.
bar, E, in such a position as to be opposite Having thus described myinvention,I claim the edge of the said shank B. Upon the adas new and desire to secure by Letters Pat jacent edges of the shank B and bar E are ent formed ratchet-teeth, which engage with each A wrench whose spring H is passed other to hold the movable jaw D in place through a loop, F, aswell as a movablejaw, while the wrench is being used. To the bar D, and secured at the end to the front of Eis attached the ends of a loop, F, through said jaw, as and for the purpose specified. which the shank B passes, and through the ANDREW M. MORTIMER. bend of which passes the set-screw G. The Witnesses:
forward end of the set-screw G rests against T. A. MORTIMER,
the free end of the spring H, which is passed MORGAN REED.
US182591D Improvement in wrenches Expired - Lifetime US182591A (en)

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