US460590A

US460590A - Pliers

Info

Publication number: US460590A
Authority: US
Publication date: 1891-10-06
Anticipated expiration: 1908-10-06

Description

(No Model.)

P. MEYER.

PLIERS. No. 460,590. PatentedOct. 6, 1891.

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UNITED STATES PATENT OFFICE.

PAUL MEYER, OF PITTSBUR G, PENNSYLVANIA.

PLIERS.

SPECIFICATION forming part of Letters Patent No. 460,590, dated October 6, 1891.

Application filed June 1, 1891. $erial No. 394,713. (No model.)

To all whom it may concern:

Be it known that 1, PAUL MEYER, of Pittsburg, in the county of Allegheny and State of Pennsylvania, have invented a new and useful Improvement in Pliers, of which the following is a full, clear, and exact description, reference being had to the accompanying drawings, forming part of this specification, in which Figure 1 represents a side elevation of the pliers in closed position. Fig. 2 is a similar view with the jaws partially opened. Fig. 3 is an end view of Fig. 2, and Fig. at is an enlarged side View of the jaws in the position assumed when an article having outwardlydiverging sides is grasped.

My invention relates to that class of pliers in which the parallelism of the grippingfaces is preserved while the jaws are moved apart; and its object is to greatly simplify and improve their construction.

In the drawings, in which like letters of reference indicate like parts, 2 2 represent the lever-handles, pivoted together at 8 and terminating at their extremities in curved portions 4. To these upper portions are pivoted the gripping-jaws 5 5, each jaw having a recess 6,into which fits the curved end of the lever 2. These recesses are located on opposite sides of the jaws, respectively, and against the front face of the recess in each jaw presses a coiled spring 7, which serves to hold the lower part of the jaw in contact with the camfaces and is located in a suitable recess provided therefor in each lever-arm. The lower edge 8 of each jaw bears upon a curved camface 9 upon the lever carrying the other jaw, and thereby as the jaws are opened their lower ends are forced outward and the jawfaces kept parallel. Moreover, the jaws will accommodate themselves to articles of various shapes by swinging on their pivots until the inner faces are adjusted to the contour of the article held.

The advantages of my construction are obvious. The parts are few in number, easily made, and of simple construction, while the jaws, by adjusting themselves to the article to be grasped, afford a secure hold upon the same.

Without restricting myself to the specific form of pliers shown and described, what I claim is 1. A pair of pliers comprising two levers pivoted to each other, a swinging jaw pivoted at the outer end of each lever, and a cam-surface upon each lever arranged to bear upon the jaw pivoted to the other lever, substantially as described.

2. A pair of pliers comprising two levers pivoted to each other and having cam-surfaces, jaws pivoted at the ends of the levers and arranged to be actuated by said cam-surfaces, and springs bearing upon the lower ends of the jaws, substantially as described.

In testimony whereof I have hereunto set my hand this 23d day of May, A. D. 1891.

PAUL MEYER. lVitnesses:

W. B. OQEWIN, H. M. OoEWIN.