US592036A - Pipe-wrench - Google Patents

Pipe-wrench Download PDF

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Publication number
US592036A
US592036A US592036DA US592036A US 592036 A US592036 A US 592036A US 592036D A US592036D A US 592036DA US 592036 A US592036 A US 592036A
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Prior art keywords
head
jaw
pipe
wrench
handle
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Expired - Lifetime
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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

Description

(No Model.)
0. 0. WOODS. PIPE WRENCH.
Patented Oct. 19,1897.
.INVENTEIR .WITNEEIEES aim/ 1 :ATENT FFICE.
CHARLES O. WOODS, OF LYNN, MASSACHUSETTS.
PlPE-WRENCH..
SPECIFICATION forming part of Letters Patent No. 592,036, dated October 19, 1897.
Application filed May 5, 1896. Serial No. 590,302. (No model.) H
To all whom it'may concern.- I
Be it known that I, CHARLES O. WooDs, a
citizen of the United States, residing at Lynn,
in the county of Essex'and Commonwealth of Massachusetts, have invented a new and useful Improvement in Pipe-Wrenches, of which the following, taken in connection with the accompanying drawings, is a specification.
The present invention relates to devices of the above class; and it consists of a suitable head, a fixed jaw rigidly secured to the head,
a movable jaw fulcrumed upon the head, an
operating-handle also fulcrumed upon the head, connections between the handle and movable jaw whereby a movement of the handle about its fulcrum closes the movable jaw upon the fixed jaw, and a suitably-placed spring for retracting the movable jaw.
The present invention further consists of the devices and combinations of devices hereinafter set forth and claimed.
The present invention is illustrated in the drawings herewith submitted, in which Figure 1 is a side View, and Fig. 2 a side view, of a wrench embodying the present invention. k
Similar letters of reference refer to similar parts in boththe views.
In the drawings, A represents the head, upon which is formed or rigidly secured the fixed jaw 13.
D represents the movable jaw, which is ful- 1-1 in front of its fulcrum h is formed a shoulder h, or other suitable projection, adapted to come in contact with the rearward end of lever '02, the above-described arrangement being such that when the handle H is turned about its fulcrum h the shoulder 71/, acting upon the lever d, turns the jaw D about its fulcrum d, and causes the jaw D to approach the jaw B to firmly graspa section of pipe or other object between the jaws.
Irepresents a suitably-placed spring which bears against 'a fixed support, preferably the head A, and against the lever 01, the arrangement being such that when the handle H is released the spring I turns the lever cl in an opposite direction to that in which it was turned by the handle H, and, turns the jaw D in an opposite direction, causing it to turn away from the jaw B to release any object between the jaws.
In using the device the jaws are pushed onto a section of pipe, as in the use of the usual alligator wrench, and the handle is turned in the direction of the arrow-head in Fig. 1, causing, as hereinbefore described, the jaws to firmly grasp the pipe. To release the pipe the operator releases the handle H, or moves it slightly in an opposite direction, which allows the spring I to act to retract the movable jaw.
Having thus described myinvention and the mode of using the same, I claim and desire to secure by Letters Patent- A pipe-wrench comprising a flattened tubular head, a jaw extension on said head having a curved gripping-face, a movable jaw having a corresponding gripping-face, fulcrumed in said head, and extending beyond the fulcrum into said head, a spring arranged to bear on the extension of said movable jaw, to hold the jaw-faces normally at an angle, and a single operating-lever pivoted in said head and extending into the same and engaging the extension of said movable jaw in said head, substantially as described.
In testimony whereof I have hereunto set my hand, in the presence of two attesting witnesses, this 1st day of May, 1896.-
CHARLES o.- woons .Witnesses:
WILLIAM D. PAXTON, GEORGE S. WHITE.
US592036D Pipe-wrench Expired - Lifetime US592036A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4534245A (en) * 1983-11-21 1985-08-13 Rossmann William F Tight-grip wrench
US5148725A (en) * 1991-05-17 1992-09-22 Botha Jeremia J Ratchet action open ended spanner

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4534245A (en) * 1983-11-21 1985-08-13 Rossmann William F Tight-grip wrench
US5148725A (en) * 1991-05-17 1992-09-22 Botha Jeremia J Ratchet action open ended spanner

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