US137310A - Improvement in wrenches - Google Patents

Improvement in wrenches Download PDF

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Publication number
US137310A
US137310A US137310DA US137310A US 137310 A US137310 A US 137310A US 137310D A US137310D A US 137310DA US 137310 A US137310 A US 137310A
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Prior art keywords
lever
wrench
wrenches
improvement
ratchet
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Expired - Lifetime
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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
    • B25B13/46—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle
    • B25B13/461—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member
    • B25B13/462—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member the ratchet parts engaging in a direction radial to the tool operating axis
    • B25B13/463—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member the ratchet parts engaging in a direction radial to the tool operating axis a pawl engaging an externally toothed wheel

Definitions

  • PETER E MOINTOSH, OF CHICAGO, ILLINOIS.
  • Figure 1 is a side View of my Wrench ready for use.
  • Fig. 2 is a view of the same with the cap of the case removed, showing the internal and propelling parts thereof.
  • a is the stationary handle, sustaining the enlarged end or case b
  • c is the movable handle, that, by the connectingrod 01, moves the parts inclosed in the case b, and thus moves the wrench e, which projects out of the case on the upper and lower sides thereof, and which wrench is applied to the object to be rotated.
  • the cap I) is removed, disclosing the right'angled lever f in pivoted connection with the connectingrod d, and which angled lever f has hinged or pivoted to it two clicks, one at one end of of the right-angled lever, and the other at the other end of the said lever.
  • the click 9 of the lever is the longest, and is constantly retracted to the lever by its spring, and the other click, h, is attached to the end of the lever nearest the connectingrod d, and is shorter, and is constantly pushed from the lever by its spring.
  • Both clicks act on the ratchet-wheel k, whose axis is the wrench, made hollow by a square aperture for the purpose of rotating such objects as it is applied to; and it will be noticed that the action of the two clicks is such that, as one is retracted on the ratchet-wheel, the other is propelled against the teeth of this wheel, and thus rotates the ratchet and wrench, and this is caused by their attachment to the lever, whose hinge or pivot is at m, the angle of the lever.
  • I claim 7 The wrench described, consisting of the cased angled lever f and its two clicks and springs, ratchet 7a, movable lever c, and connecting-rod (1, arranged as set forth.
  • PETER H WITT, CALVIN DEWoLE.

Description

P. E. MGINTUSH.
Wrenches.
Patented April 1, 1873.
AM, PHOTO'LITIIOGMIHIQ 00. N. Massamzfs mocsss? UNITED STATES PATENT DEEIGE.
PETER E. MOINTOSH, OF CHICAGO, ILLINOIS.
IMPROVEMENT IN WRENCHES.
Specification forming part of Letters Patent No. 137,310, dated April 1, 1873; application filed January 4, 1872.
To all whom it may concern:
Be it known that I, PETER ELYEA MoIN- TOsH, of Chicago, Cook county, in the State of Illinois, have invented certain Improvements in a Double-Action Wrench, of which the following is a specification:
My object is to make a convenient and useful wrench, more readily used than those in common use; and the nature of my invention will be apparent from the following description.
Figure 1 is a side View of my Wrench ready for use. Fig. 2 is a view of the same with the cap of the case removed, showing the internal and propelling parts thereof.
In Fig. 1, a is the stationary handle, sustaining the enlarged end or case b, and c is the movable handle, that, by the connectingrod 01, moves the parts inclosed in the case b, and thus moves the wrench e, which projects out of the case on the upper and lower sides thereof, and which wrench is applied to the object to be rotated. In Fig. 2 the cap I) is removed, disclosing the right'angled lever f in pivoted connection with the connectingrod d, and which angled lever f has hinged or pivoted to it two clicks, one at one end of of the right-angled lever, and the other at the other end of the said lever. The click 9 of the lever is the longest, and is constantly retracted to the lever by its spring, and the other click, h, is attached to the end of the lever nearest the connectingrod d, and is shorter, and is constantly pushed from the lever by its spring. Both clicks act on the ratchet-wheel k, whose axis is the wrench, made hollow by a square aperture for the purpose of rotating such objects as it is applied to; and it will be noticed that the action of the two clicks is such that, as one is retracted on the ratchet-wheel, the other is propelled against the teeth of this wheel, and thus rotates the ratchet and wrench, and this is caused by their attachment to the lever, whose hinge or pivot is at m, the angle of the lever.
Thus I arrange and construct a neat, simple, and useful tool, which, by various modifications of, and appliances to, the aperture of the ratchet-wrench, is capable of extensive employment in various arts.
The further nature, uses, and advantages of my invention are apparent to those skilled in the art to which it appertains.
Claim.
I claim 7 The wrench described, consisting of the cased angled lever f and its two clicks and springs, ratchet 7a, movable lever c, and connecting-rod (1, arranged as set forth.
PETER E. MGINTOSH.
Witnesses:
PETER H. WITT, CALVIN DEWoLE.
US137310D Improvement in wrenches Expired - Lifetime US137310A (en)

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