US171935A - Improvement in wrenches - Google Patents

Improvement in wrenches Download PDF

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Publication number
US171935A
US171935A US171935DA US171935A US 171935 A US171935 A US 171935A US 171935D A US171935D A US 171935DA US 171935 A US171935 A US 171935A
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screw
wrenches
improvement
wrench
handle
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    • 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
    • B25B13/16—Spanners; Wrenches with adjustable jaws the jaws being slidable by screw or nut

Definitions

  • FIG. 1 side view; Fig. 2, longitudinal central section.
  • This invention relates to an improvementin that class ot' wrenches commonly called monkey or sere-W wrenches,77 the object of the invention being to afford a more convenient.
  • method for turning the screw than the usual thumb-collar; and it consists in constructing the handle so as to revolve on the shank ot' the wrench, and providing the inner end ot' the handle with a pinion, and the -screw with a corresponding pinion, so that by turning the Thebeam is continued to form a of the handle.
  • the -inner end ot' the handle is provided or constructed with a pinion, H, and the screw D provided with a corresponding pinion, I, so that revolving the handle F will cause the screw D to revolve and move the adjustable jaw.
  • the pinions may be of equal or varying diameters.
  • This construction enables a much greater force to be applied to the screw than can be done 'with the usual thumb-collar; hence the Wrench may be firmly bound to the nuta great convenience in many cases, as,for oarriage-nu'ts and similar purposes, and the power upon the screw is so great that the wrench may be conveniently used as a hand-vise and for like purposes.
  • the abutment L may be extended to form a shell or bonnet around thegears, as indicated in broken lines.

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

Description

W. HAWYKINS.
WRENCH.
No. 171,935. APatented Jan. 11,1875.
M/MQO v UNITED STATES PATENT OFFICE.
WILLIAM HAWKINS, OF BIRMINGHAM, CONNECTICUT.
IMPROVEMENT IN AWRENCHES.
Specification forming part of Letters Patent No. 171,935, dated January 11, 1876; application tiled November 30, 1875.
To all whom it may concern:
Be it knownthat l, WILLIAM HAWKINS, of Birmingham, lin the county of New Haven and State of Connecticut, have invented a new Improvement in Wrenches; and do hereby declare the following, when taken in connection with the accompanying drawings and the letters of reference marked thereon, to be a full, clear, and exact description ofthe same, 'and which said drawingsn constitute part of this specilication, and represent, in
Figure 1, side view; Fig. 2, longitudinal central section.
This invention relates to an improvementin that class ot' wrenches commonly called monkey or sere-W wrenches,77 the object of the invention being to afford a more convenient. method for turning the screw than the usual thumb-collar; and it consists in constructing the handle so as to revolve on the shank ot' the wrench, and providing the inner end ot' the handle with a pinion, and the -screw with a corresponding pinion, so that by turning the Thebeam is continued to form a of the handle. The -inner end ot' the handle is provided or constructed with a pinion, H, and the screw D provided with a corresponding pinion, I, so that revolving the handle F will cause the screw D to revolve and move the adjustable jaw. The pinions may be of equal or varying diameters. y
This construction enables a much greater force to be applied to the screw than can be done 'with the usual thumb-collar; hence the Wrench may be firmly bound to the nuta great convenience in many cases, as,for oarriage-nu'ts and similar purposes, and the power upon the screw is so great that the wrench may be conveniently used as a hand-vise and for like purposes.
As a protection for the pinions the abutment L may be extended to form a shell or bonnet around thegears, as indicated in broken lines.
I claimp The combination, in a monkey or screw wrench, otI the stationary and adjustable jaws, l
the adjusting-screw, the pinion I on the said screw, the revolving handle, and pinion H on the shank ot' the wrench, whereby the revolution of the vhandle causes a corresponding revolution ot' the Vadjusting-screw, substantially as described.
WM. HAWKIN S.
Witnesses:
CEAS. E. CLARK, WM. S; BROWNE.
US171935D Improvement in wrenches Expired - Lifetime US171935A (en)

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