US379984A

US379984A - Abbaham

Info

Publication number: US379984A
Authority: US
Publication date: 1888-03-27
Anticipated expiration: 1905-03-27

Description

(NoModel.)y f Y l A. ROLAND;

` WRENCH.

,Patented Mar. 27l 1888- UNITED STATnsf PATENT OFFICE.

ABRAHAM ROLAND, OF WESTOVERS, ASSIGNOR OF ONE-HALF TO JAMES M. BUNN, OF NEW WASHINGTON, PENNSYLVANIA.

WRENCH.

SPECIFICATION-formingpart of Letters Patent No. 379,984, dated March 27, 1888.

Application tied April 6,1881. semina. 233,913. (No modem To a/ZZ whom it may concern:

Be it known that I, ABRAHAM ROLAND, a citizen of the United States of America, residing at Westovers, in the county of Clearfield and State of Pennsylvania, have invented certain new and useful Improvements in Ratchet- Wrenches, of which the following is a speciication, reference being had therein to the accompanying drawings.l

My invention relates to improvements in wrenches; i and its objects are, first, to provide a wrench affording a perfect leverage; second, to permit of the ready duplicationor .renewal of the parts; third, to obviate the necesssity of vwithdrawing and replacing the wrench over the nut at each quarter or half revolution; fourth, to provide a rigid wrench whose opposite faces, will engage nuts of variant diameters; fifth, to maintain continuously a stable and effective correlation of the parts; and, sixth, to accomplish these ends with structural simplicity and economy. vI attain these purposes by the device shown on the accompanying drawings, in which- Figure 1 represents a longitudinal sectional elevation of my invention. Fig. 2 is a plan view of the same, partly in section. Fig. 3 is a detail elevation of a sliding block whereby the parts can be disjoined 5 and Fig. 4 is a plan view of the same block, illustrating its lower inner face.

The same designations indicate corresponding parts.

To a suitable handle, A, is secured a bifurcated frame, D, within which the pawls B B are pivotally secured 'by pins C C. The pawls are maintainedin engagement with the cogged wheel F by the springs E E', affixed antipod'ally to suitable sockets in the base of the frame D. The breaking of contact simultaneously or successively between the pawls B B and the wheel F can only therefore be effected by pressing the inner ends of said pawl-levers against the retractile force of the springs. The wheel F has rigidly secured on its upper face a centrally-perforated flange having the oountersunk depression H, to it over a nut. To its lower face a similarly-perforated beveled block is secured by means of a dovetailed connection, so thatthe corresponding groove, 5o L, in the sliding block K will engage therewith `and unite the parts. The outer face of the block K has a similar 'countersunk' depression, H, adapted to nt a nut. of different diameter. A catch, I, when screwed up, serves tolock the parts together.

It will be understood that when it is desired to obtain a new hold on the handle A it will simply be necessary to release the pawlsB Bv from engagement with the cog-wheel F. i

Having thus fully described my improvements, what I claim, and desire to secure by LettersPatent of the United States, isn As a new article of manufacture, a wrench consisting of the combination, with a bifurcated frame, D, secured to a. handle, A, and provided -with the spring-actuated pawls B B, and the'lcog-Wheel F, having the depression H on one face and the perforated beveled block rigidly secured thereto on the other 7o face, of the sliding block K, having a depression, H', a groove, L, and a catch, I, the whole co-operating as and for the purpose set forth. In testimony whereof I affix my signature'in presence of two witnesses.

s his f ABRAHAM ROLAND. mark. f

Witnesses:

ADAM BRETH, IsRAEL SNYDER.