US294642A - Wrench - Google Patents

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US294642A US294642DA US294642A US 294642 A US294642 A US 294642A US 294642D A US294642D A US 294642DA US 294642 A US294642 A US 294642A
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    • B25B13/00Spanners; Wrenches
    • B25B13/10Spanners; Wrenches with adjustable jaws
    • B25B13/12Spanners; Wrenches with adjustable jaws the jaws being slidable
    • B25B13/16Spanners; Wrenches with adjustable jaws the jaws being slidable by screw or nut


0. "A. LE
(No Model.)
No. 294,642. Patented-Mar. 4; 1834.,
V Z 0055 w,
SPECIFICATION forming part of Letters Patent No. 294,642, dated March 4, 1884.
' Application filed January 10, 1884. (No model.)
1' aZZ whom it may concern:
. Be it known that I, ORLANDO A. LEE, a citizen-of the United States of America, residing at Mansfield, in the county of Richland and State of Ohio, have invented certain new and useful Improvements in Wrenches; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it a'ppertains to make and use the same,
; reference, being had to the accompanying drawings, and toletters or figures of reference marked thereon, which form a part of this specification.
This invention relates to certain new and useful improvements in sliding-j aw wrenches, the object of my improvement being to provide a cheap and effective means for adjusting the sliding j aw against the stationary j aw and up on a nut or other object.
My invention consists in the construction and combination of the parts, as will be specifically pointed out in the claims.
In the accompanying drawings, which illustrate my invention, Figure 1 is a side view; Fig. 2, a vertical section. Fig. 3 is a transverse section taken through the line man of Fig. l; and Fig. ,4. is a detailed view of the adjustable jaw, partly in section.
Referring to the drawings, A represents the stationary jaw of a nut-wrench, which is constructed in the usual manner, and is provided on one side of the shank A with a fiat face, a, and on the opposite side with a concave transversely-serrated face, a. At asuitablepoint at a distance less than the length of the adjustable jaw the shank A is provided with inclined serrations B B, which may, if desirable, form a portion of a screw-thread. At a point on the shank A where these serrations stop the shank is reduced in diameter, and passes through ahandle and 'a collar. The lower end of the shank is rounded and screw-threaded for the reception of a retaining-collar, which also performs the function of a nut, the collar and nut being formed in one piece. The shank A, at the point below the stationary jaw and the collar secured to the upper part of the handle, is substantially rectangular in crosssection, as shown in Fig. 3. Preferably the outer edges are curved or rounded, as shown at b. The sliding jaw O is provided with a longitudinal opening, 0, which corresponds in cross-section with the shape of the shank, and the shank passes through this opening, so that the movable jaw will slide freely thereon. This opening 0 is slightly larger than the shank, and.
by forming the shank and this opening with two flat sides the jaw is' prevented fromturning thereon. One of the faces of the sliding jaw is flat and the other one curved, as shown at c, and'this curved portion of the jaw is recessed for the reception of the serrated plate, which is secured thereto by means of a transverse screw. Thus the wrench may be used for grasping round objects as well as those having. angular sides. The jaw O is cut away at its lower portion, or that part adjacent to the handle, so as to provide an opening, in which is secured a thumb or adjusting piece, D, and the opening 0 in the lower portion of the jaw extends across the same, so as to leave vertical. walls or connecting portions (1. The
thumb-piece D is provided with an oval opening, E, which has the sides'opposite the less diameter of the same provided with inclined serrations and recesses, whichwill engage with the serrated portions of the shank. Above the thumb-piece D the adjustable jaw is provided with a perforation, within which is secured a spring-bolt, F, which will bear against one side of the thumb-piece, and will force it away from .the upper portion of the opening in which the thumb-piece operates, and will also prevent rattling of this loosely-working part of the wrench. Having thusdescrib'ed the construction of my invention, which is fully shown in the acpanying drawings, I will now proceed to describe its operation.
The parts being organized'as shown in Figs. 1 and 2 of the drawings, when it is desirable to adjust the jaws to any particular size the thumb-piece D which projects beyond the adjustable jaw, is turned so that said thumb-piece will be nearly at right angles with the sides of the sliding jaw, thus bringing the opening in said thumb-piece in such a position that the jaw will slide easily upon the shank, the recessed or serrated edges on the interior of the opening in this thumb-piece being out of engagement with the serrations on the shanlgand when in this position the jaw can be moved either backward or forward 5 and when placed the same upon the nut.
over a nutlor other object the thumbpiece is turned back to the position shown in Fig. 1, this movement causing theinclined serrations to engage with each other, and these serrations, being inclined, asheretofore stated, will carry the jaw slightly forward, so as to clamp The spring-bolt F, hereinbefore referred to, will exert a pressure upon the thumb-piece, and will prevent the same from turning when a pressure is not upon the jaws.
Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-
1. A wrench provided with a stationary jaw and a shank with inclined serrations I) b and smooth sides, in combination with an ad justable jaw recessed for the reception of a thumbpieee, said thumb-piece having an ovalshaped opening, the sides of said opening be ing provided with serrations b I), and a springactuated sliding bolt bearing upon the thumbpiece, the parts being organized substantially as shown, and for the purpose set forth.
'2. In a wrench having a stationary and sliding jaw, the shank B, screw-threaded on opposite sides, and provided with intermediate plain surfaces, and the thumb-piece D, located upon the shank and embraced by the sliding jaw, so that the thumb-piece will extend beyond the same on opposite sides, the parts being organized and combined substantially as shown, and for the purpose set forth.
In testimony whereof I al'fix my signature in presence of two witnesses.
W. S. Bean's, (H10. 11. Gnor'r.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2441144A (en) * 1945-05-29 1948-05-11 Roy L Gregory Wrench provided with cam-actuated self-tightening jaws

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2441144A (en) * 1945-05-29 1948-05-11 Roy L Gregory Wrench provided with cam-actuated self-tightening jaws

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