US972342A - Monkey-wrench. - Google Patents

Monkey-wrench. Download PDF

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Publication number
US972342A
US972342A US48263309A US1909482633A US972342A US 972342 A US972342 A US 972342A US 48263309 A US48263309 A US 48263309A US 1909482633 A US1909482633 A US 1909482633A US 972342 A US972342 A US 972342A
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Prior art keywords
teeth
bars
wrench
dog
handle
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Expired - Lifetime
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US48263309A
Inventor
Fannie B Cutler
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Fannie B Cutler
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Application filed by Fannie B Cutler filed Critical Fannie B Cutler
Priority to US48263309A priority Critical patent/US972342A/en
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Publication of US972342A publication Critical patent/US972342A/en
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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
    • B25B13/10Spanners; Wrenches with adjustable jaws
    • B25B13/12Spanners; Wrenches with adjustable jaws the jaws being slidable
    • B25B13/20Arrangements for locking the jaws
    • B25B13/22Arrangements for locking the jaws by ratchet action or toothed bars

Description

` P. B. GUTLBR.
MONKEY WRENCH. APPLICATION FILED IAB.. 10, 1909,
972,342. I Patented 0011.111910.
FANNIE B. CUTLER, OF RONALD TOWNSHIP, IONIA. COUNTY, MICHIGAN.
MONKEY-WRENCH.
Specification of Letters Patent.
Application filed March 10, 1909.
Patented Oct. 11, 1910. Serial No. 482,633.
To all whom it may concern.'
Be it known that I, FANNIE B. CUTLER, a citizen of the United States, residing in the township of Ronald, county of Ionia, and State of Michigan, have invented new and useful Improvements in Monkey- Wrenches, of which the following is a specification.
My invention relates to monkey wrenches, and its object is to secure a wrench of simple construction, which may be operated as quickly, easily and efficiently as possible.
As hereinafter more fully described, it consists of a wrench having two parallel bars between the handle and the fixed head, a dog catch fastened between the two bars by a specially constructed pivot, a movable head sliding on the bars, and an aperture in which a finger may be inserted to assist in adjusting the jaws about the object to be engaged. It also has a strong spiral spring between the handle and the movable jaw, which is inclosed in two cylinders, the lower part of the spring being in the cylinder which is attached to the handle, and the upper part in a larger cylinder which is fastened to the jaw, and which slides down over the lower one when the jaws are drawn apart. The upper cylinder has teeth on the side toward the bars, which are engaged by teeth on the dog catch when it is placed in position.
In the following detailed description reference is had to the accompanying drawings, in whichj Figure l is a view of the wrench with the jaws closed and the dog turned so that its teeth are engaged with the teeth on the cylinder. Fig. 2 is a longitudinal sect-ion. Figs. 3, 4 and 5 are cross sections on the lines 3-3, 4 4, and 5 5, respectively, in Figs. l and 2.
Between the handle and ferrule Gr and the fixed head and upper jaw, shown in Figs. l and 2, are two parallel bars F, side views of which are given in Figs. l and 2, and a cross section in Fig. 5. The dog catch D, best shown in Fig. 2, has teeth on the free end which engage with the teeth on the upper cylinder A when turned in the right position by the pivot E, which is rotatably mounted in the bars and provided with an intermediate square portion on which is mounted the dog D. The movable jaw of the wrench, shown in Figs. l and 2, envelops the two parallel bars as shown in Fig. 5. There is also an aperture C in the movable jaw of the wrench. Between the ferrule and the movable jaw of the wrench there is a strong splral spring H, a portion of which is shown in Fig. 2. The spring is sheathed in two cylinders A and B, as shown in Figs. 1 and 2. On the side of the upper cylinder are teeth which engage with the teeth on the dog catch, as shown in the drawings, and before described.
In operating the wrench, a finger is placed 1n the aperture in the movable aw, pulling it away from the fixed jaw until the jaws can be placed about the object to be engaged thereby. Then the movable jaw is released, the spring pressing it against the object to be engaged. In case the spring is not strong enough for the work, the dog is turned to engage the teeth on the cylinder. When the object is to be released the operation is reversed, the dog being turned back between the bars where it is kept when not in use, and the movable jaw pulled back by the finger in the aperture.
I claim as my invention, and desire to secure by Letters Patent of the United States 1. As an improvement in wrenches, the combination of a fixed head a handle and parallel bars connecting the same, a toothed dog catch pivoted between the bars, a sliding aw on said bars provided with an aperture, a strong spiral spring between the handle and movable jaw, normally forcing the latter toward the liXed jaw, two hollow cylinders incasing the spring, the smaller attached to the handle and the larger to the movable jaw, the larger cylinder having teeth on the side toward the bars, to be engaged by the teeth on the dog catch, as set forth.
2. As an improvement in wrenches, the combination of a fixed head a handle and parallel bars connecting the same, a dog provided with teeth on the free end pivoted between the bars, the dog being rotatable to engage and disengage its teeth, with teeth on a cylinder carried by a sliding jaw on said bars, said sliding jaw provided with an aperture,a Strong spiral spring between the engaged by the teeth on the catch, Aas set handle and the movable asv, normally forcforth.
in@ the atter toward the Xed 'aW, two hol- T T lowv cylinders ncasng the Jspring, the FABBIE B CUTLER' smaller attached to the handle and the larger Vtnesses:
to the movable jaw, the larger cylinder hav- SARAH L. JEFFERS,
ing teeth on the side toward the bars, to be IRA S. JEFFERS.
US48263309A 1909-03-10 1909-03-10 Monkey-wrench. Expired - Lifetime US972342A (en)

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US48263309A US972342A (en) 1909-03-10 1909-03-10 Monkey-wrench.

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US48263309A US972342A (en) 1909-03-10 1909-03-10 Monkey-wrench.

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US48263309A Expired - Lifetime US972342A (en) 1909-03-10 1909-03-10 Monkey-wrench.

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