US404223A

US404223A - Wagon-jack

Info

Publication number: US404223A
Authority: US
Publication date: 1889-05-28
Anticipated expiration: 1906-05-28

Description

(No Model.)

W. P. PIGKERING.

WAGON JACK. No. 404,223. Patented May 28.71889.

as 3' a f 16 232 I N. FEnzns, Phm-Inm her. waning. D. c.

- the operating-lever.

UNITED STATES PATENT OFFICE.

\VASHINGTON P. PIOKERING, OF BOSTON, MASSACHUSETTS.

WAGON-JAG K.

SPECIFICATION forming part of Letters Patent No. 404,223, dated May 28, 1889. Application filed January 21, 1889- Serial No. 297,075. (No model.)

To aZZ whom it may concern.-

Be it known that I, WASHINGTON P. PICK- ERING, of Boston, in the county of Suffolk and State of Massachusetts, a citizen of the United States, have invented a new and useful Improvement in \Vagon-Jacks, of which the following is a full, clear, and exact description, reference being had to the accompanying drawings, forming a part of this specification, in explaining its nature.

The invention relates to the improvement in wagon-jacks, which comprises a long bar or leg which bears a series of stops upon its upper surface for the support of the axle of the wagon, two inclined legs, the upper ends of which are united together by a rivet or cross-bar, which preferably also forms the fulcrum of a lever having a long arm and attached by a pivot to the upper end of the long leg or bar, the front legs, long leg or bar, and lever being so organized that the downward movement of the lever lifts the upper end of the long leg orbar, throws the upper ends of the two short legs under the said upper end, and brings the pivot-point ofthe lever upon the same vertical line or out of vertical line in the direction of the long leg or arm. A jack of this construction is very easily operated, and is very stable, holding the wagon securely against thrust of movement in any direction.

Referring to the drawings, Figure 1 is a view in side elevation of the jack, the operating-lever being represented as lifted and the long leg or supporting-bar depressed. Fig. 2 is a front view of the same. Fig. 3 is a view in side elevation representing the jack when the supporting bar or leg has been raised by Fig. 4 is a detail view.

My improved jack consists of a long leg or bar, a, having ametal tip or foot, a, and aseries of steps or notches, a the outwardly inclined or diverging legs a a, and the lever a. The leg a is provided at its upper end with a metal piece, a having ears a, as shown in Fig. 2. The lever a is provided at its upper end with a rigid metal part or socket-piece, a having a flattened portion, a fitting between the ears a of the metal part of the leg a, a bolt, to, passing through said ears and flattened portion to pivot the said lever a to said leg a. The legs a a are also provided at their upper ends with metal parts or socket-pieces a having flattened cars a, which are pivoted to the flattened metal part a of the lever a by a bolt, a which forms the fulcrum of said lever, said metal part a preferably having an extension, a, as more clearly shown in Fig. 4, to afford a proper arrangement of the fulcrum-point of said lever, so that when the latter is depressed, as shown in Fig. 4:, said fulcrum-point will be inside of the bolt a, which forms the connection between said lever and the longleg a. The legs a a may be connected by a cross-bar, a as more clearly shown in Fig. 2.

In use the long leg or bar of the jack is placed under the axle to bring one of the steps a in contact therewith. The lever a is then depressed, causing the inclination of the leg a to be increased by lifting its upper end and throwing the legs under the upper end to support it in its new position. This of course operates to lift the axle of the wagon or wheel from the ground.

It will be seen that by this construction the jack is provided with a suitable base and does not depend upon the wagon for maintaining it in a vertical position, but provides in itself a firm stable support for a wagon.

Having thus fully described my invention, I claim and desire to secure by Letters Patent of the United States- A wagon-jack consisting of the long leg a, having at. its upper end the metal piece a provided with the cars a, the lever a, provided at its upper end with the metal part or socket-piece a", having the flattened part a*, the bolt a", pivotally joining said lever and leg, the inclined or diverging legs a a provided with the metal part a having the cars a, and the bolt a joining said ears to said flattened part a and serving as a fulcrum to said lever, substantially as set forth.

WASHINGTON P. PIOKERING. \Vitnesses:

F. F. RAYMOND, 2d, J. M. DOLAN.