US754346A - Monkey-wrench. - Google Patents

Monkey-wrench. Download PDF

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Publication number
US754346A
US754346A US17465603A US1903174656A US754346A US 754346 A US754346 A US 754346A US 17465603 A US17465603 A US 17465603A US 1903174656 A US1903174656 A US 1903174656A US 754346 A US754346 A US 754346A
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United States
Prior art keywords
pawl
jaw
wrench
bar
opening
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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US17465603A
Inventor
Edward A Renouf
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Edward A Renouf
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Priority to US17465603A priority Critical patent/US754346A/en
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Publication of US754346A publication Critical patent/US754346A/en
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Expired - Lifetime legal-status Critical Current

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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

'IATENTED' MAR 8, 1904.
E. A. RENOUF. MONKEY WRENCH. APPLIOAIION rILnb SEPT. 25. 1903.
N0 MODEL.
/ N VE N 70/? WITNESSES:
A TTIORNE r's' lJtNiTED S 'rnras I Patented March 8, 1904s PATENT @rrica.
MONKEY-WRENCH.
'STKEGIFIGATION forming part of Letters IE'atent No. 754,346, dated March 8; 1904.
Application filed September 26, 1903. Serial No. 17%65 6. (No model.)
To all whom it may concern:
Be itkn'own thatl, EDWARD A. RnNon'F;a
' citizen'- of the United States, and a resident of Well sville, ifi" the county of Columbiana and State of @hib, have made certain new and useful lmprdvements in Monkey-Trenches, of which the following is a Specification;
My invention is an improvement in monkeywrenches, and has for an object to provide novel constructions for securing the movable aw and for use in ad usting or moving the said aw along the toothed wrench-bar; and
the invention consistsincertain novel constructions and combinations of parts, as will be hereinafter described and claimed.
In the drawings, Figure 1 is a sectional side elevation of the wrench, a portion of the hand of the operator being shown grasping the jaw D.
' opening d aw. I
The wrench hasthe wrench-bar A, provided j at one end with the fixed jaw B and at its other end withthe 'handle C. The bar A is toothed along its inner edge at A, and the movable jaw D embraces and slidesalong the bar A and may be secured in any suitable position by the means presently described. This jaw D has an opening D receiving the bar A, and is also pro vided above the toothed edge=A of the bar with a recess D opening at one end out of the operating-face d of-the jaw D adjacent to the bar A and communicating through an with the rear face (2' of thejaw D. The jaw D- has a rear extension D toward the handle,C.- and the opening d is at the juncture of the extension 1) with the rear face (2 of The pawl E operates in theirecess D being pivoted at E within said recess near the working face d of the jaw. D, and is provided at about its middle with the teeth E to engage the teeth A of the bar A and has at its rear end the handle E which extends through the '5 opening d and overlies the extension D of the fixed/jaw. This pawl is normally actuated into engagement with the teeth A by means offthe spring F, which bears between the. pawl E and the movable jaw and presses the said pawl toothed bar. end a rounded head a, and the spring F is provided at its front end with a rounded portion fiembracing and fitting upon the head 0 of the pawl E and securing the spring F at one en in place. Between its ends the spring-F has an upwardly-curved portion f; which extends up to and bears against the upper wall of the recess 1), and the free end of the spring F bears at F upon the pawl in such manner as 'to force wrench-bar A inthe use of the invention. This construction is simple, can be easily connected and applied for use, and operates-to securely hold the spring in the desired relation to both the movable jaw and the pawl, as shown .in the drawings.
It will be noticed the pawl lies mainly within the recess 1), while its rear end is extended to a position to overlie the extension D of the movable jaw, so the finger of the operator pressing beneath the handle E of the pawl E may rest upon the extension D and will not come in contact with the toothed edge of thebar A of the wrench. scribed construction the operator can, as shown in Fig- 1, grasp the handle end of the pawl E and release said pawl and then move the jaw position. v
By constructing the recess'D to.open at one end out of the working face (Z of the jaw D the pawl E, with the spring attached, canv be readily inserted to the position shown in 'Fig. 1 and the pivot-pin E be applied through the side of the jaw D and through the pawl E in assembling the parts as desired.
E into engagement with they The pawl E has at its pivoted Also by the de- D along the bar A to any desired the pawl into engagement with the j Having thus described my inventiomwhatl claim as new, and desire to secure by Letters Patent, is*
1. The im rovement in wrenches herein described com rising the toothed bar having the fixed jaw, the movable'jaw having an opening receiving said bar, and a recess extendingfrogn said-opening, an opening being provided in the rear face of the jaw leading to said recess and the jaw being provided with an extension at its rear side beyond said opening, the pawl toothed to engage with the toothed wrench-bar and having at its front end a rounded headand pivoted, at such end within the recess in the Inovablejaw adjacent to the working face of said jaw and extending at its rear end through the opening in the 'rear face of the movable jaw and overlying the rear extension of said aw whereby the finger of the operator may operate between such extension and the rear or handle end ofthe pawl, and the spring having at its front end a rounded portion fitting on the rounded head of. the pawl and having an upwardlyprojecting portion bearing against the wall of the recess in the movable pawl and an end portion bearing against the pawl to actuate the same substantially as set forth.
2. The combination with a wrench-bar and the jawsliding thereon and having an opening for the pawl, of the pawl pivoted at one end in said opening and-the spring embracing the pivoted end of the pawl and having a bowed portion bearing between the handle end of the pawl and the outer wall of the opening which receives the pawl whereby to actuate the pawl intoengagement with the wrenchbar substantially as set forth.
EDWARD A. RENOUF.
Witnesses:
SoLoN C. KEMoN, PERRY Bl TURPIN.
US17465603A 1903-09-25 1903-09-25 Monkey-wrench. Expired - Lifetime US754346A (en)

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US17465603A US754346A (en) 1903-09-25 1903-09-25 Monkey-wrench.

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US17465603A US754346A (en) 1903-09-25 1903-09-25 Monkey-wrench.

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3176974A (en) * 1963-05-13 1965-04-06 Albert G Dahlstrom Quick adjustable clamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3176974A (en) * 1963-05-13 1965-04-06 Albert G Dahlstrom Quick adjustable clamp

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