US61340A - jackson - Google Patents

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US61340A
US61340A US61340DA US61340A US 61340 A US61340 A US 61340A US 61340D A US61340D A US 61340DA US 61340 A US61340 A US 61340A
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United States
Prior art keywords
barrel
pawl
wrench
jackson
stock
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00Spanners; Wrenches
    • B25B13/46Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle
    • B25B13/461Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member
    • B25B13/462Spanners; 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
    • B25B13/463Spanners; 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

Description

@eine gratte gatmt @fitta JOEL VC. JACKSON, OF ROCHESTER, NEW YORK.
Letters Patent No. 61,340, dated January 22, 1867; antedated January 17, 1867.
IMPROVEMENT IN WRENCHES.
ldllge Srlginde rifletta tu in 'tigen etirts atcnt mit mating mrt Inf tige smut.
To ALL wHoM Ir MAY coNcEnN;
Be it known that I, JOEL C. JACKSON, of Rochester, in the county of Monroe, and `State of New York, have invented and made a certain new and u'seful Improvement in Wrenches;'and I do hereby declare the following to be a full, clear, and exact description of the said invention, reference being had to the annexed drawing, making part of this specification, wherein-- Figure I is a longitudinal section of the improved wrench; and
Figure 2 is across-section at the line x :11, of fig. l.
Similar letters indicate the same parts.
A. ratchet wrench has heretofore been made with a barrel introduced within a ring at the end of a handle, and kept in place by the end of a stop lever entering a groove around .the wrench barrel, and said barrel has had ratchet teeth taking a separate pawl Within the stock or handle. This construction is'complicated and costly.
The nature of my said invention consists in a stop lever and pawl formed by one piece oi' metal, in combinationl with a wrench barrel having`ratchet teeth cut in` the bottom of a peripheral recess. By this construction ,the end ofthe pawl always remaining in the peripheral recess prevents the wrench barrel getting ont of its place within the stock while in use, but when the lever end of the pawl is depressed, so as to raise the said pawl out of the peripheral recess, the wrench barrel may be slid out and a different one introduced.
In the drawing, a is the handle, at the endof which is the eye or ring forming the stock b for the wrench barrel c, through which is a polygonal opening of the size and shaperequired. Around the barrel, near the middle thereof, is the peripheral groove o, formed with ra-tchet teeth in its bottomsurface. d is alever pawl on a centre pin, e, and acted upon by a spring, n, tokeep the end of saidpawl within the peripheral groove 0, so that said pawl may always prevent end motion to the Wrench barrel c, except when the end z of the pawl el is pressed upon suiiiciently to raise the pawl out of said groove, and allow the barrel e to be slid endwise out from the stock b, for the introduction of another barrel. This ratchet wrench is cheaply constructed, strong, and dura- Able, and may be employed to give a rotary movement to a screw, a nut, or a boring tool; and the lower lever pawl d, being in a recess in the stock, is not liable to injury. 4
What I claim, and desire to secure by Letters Patent, is
The peripheral recess or groove o, in the wrench barrel c, formed with ratchetl teeth in its bottom surface in combination with the stop lever pawl d within the stock b, as and for the purposes set forth.
In witness whereof` I have hereunto setl my signature this twenty-ninth day of May, A. D. 1866.
J. C. JACKSON. Witnesses:
Gao. B. SMITH, CAnLos SMITH.'
US61340D jackson Expired - Lifetime US61340A (en)

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US61340A true US61340A (en) 1867-01-22

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4515044A (en) * 1980-10-23 1985-05-07 Harstad Larry V Quick change ratchet wrench
US6769329B1 (en) 2002-05-21 2004-08-03 Pilling Weck Incorporated Releasable socket ratchet wrench
US8205529B1 (en) 2007-12-11 2012-06-26 Mark Laurie Hybrid low profile and standard ratchet system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4515044A (en) * 1980-10-23 1985-05-07 Harstad Larry V Quick change ratchet wrench
US6769329B1 (en) 2002-05-21 2004-08-03 Pilling Weck Incorporated Releasable socket ratchet wrench
US8205529B1 (en) 2007-12-11 2012-06-26 Mark Laurie Hybrid low profile and standard ratchet system

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