US1006694A - Head for lifting-jacks. - Google Patents

Description

A. O. SLENTZ. HEAD FOR LIFTING JAGKS.

APPLICATION FILED MAR. 15, 1911 Patented Oct. 24, 1911.

COLUMBIA PLANOGRAPH co wasnmu'mu, u. c.

UNITED STATES PATENT OFFICE.

ALBERTUS O. SLENTZ, OF CANTON, OHIO, ASSIGNOR TO THE CANTON FOUNDRY AND MACHINE COMPANY, OF CANTON, OHIO, A CORPORATION OF OHIO.

HEAD FOB LIFTING-JACKS.

To all whom it may concern:

Be it known that I, ALBERTUS O. SLENTZ, a citizen of the United States, and resident of Canton, in the county of Stark and State of Ohio, have invented certain new and useful Improvements in I-Ieads for Lifting- Jacks; 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 make and use it, reference being had to the accompanying drawing, which forms a part of this specification.

My invention relates to an improvedhead for lifting acks, the object being to provide a head capable of lifting the axles of automobiles and other vehicles, and also in providing for properly holding the head in contact with the axle designed to be lifted. These objects together with other objects readily apparent to those skilled in the art, I attain by the construction illustrated in the accompanying drawing, although my invention may be embodied in a variety of other mechanical forms, the construction illustrated being chosen by way of example.

In the accompanying drawing Figure 1 is a perspective View showing a lifting jack designed to actuate the lifting head. Fig. 2 is a detached perspective view of the lifting head and its screw threaded shank.

Similar numerals of reference indicate corresponding parts in all the figures of the drawing.

In the accompanying drawing, 1 represents a lifting jack which may be of the general form shown, or it may be of any other desired form, inasmuch as the lifting jack forms no specific part of the present invention, except that a lifting jack must necessarily be employed. The lifting head proper as shown is provided with a screw threaded shank 2, which is located in a socket of the usual construction. To the top or upper end of the shank 2 is attached or formed integral therewith the T-bar 3 from the ends of which extend the lifting bars 4. and 5, said bars being extended in opposite directions from the T-bar 3.

As shown in the drawings, the bars 4 are spaced from each other and are so spaced for the purpose of providing two contact points upon the axle, so that when the axle is raised both wheels of the vehicle carried by the axle will be raised or lifted out of contact with the ground or floor upon which Specification of Letters Patent.

Application filed March 15, 1911.

Patented Oct. 24, 1911. Serial No. 614,679. I

the vehicle stands. Another object in providing the spaced arms 4: is to so space the arms that they will straddle the gear case and raise the rear axle without danger of injuring the gear casing. This advantage is illustrated in Fig. 1, the gear casing being shown in dotted lines and the arms 4 brought directly under the axle. The short arms 5 are also spaced from each other so as to provide two contact points and lift both wheels carried by the axle. It is well understood that means should be provided to prevent any accidental displacement of the axle.

For the purpose of holding both the rear and front axles upon the arms 4: and 5, under all circumstances said arms are provided with the up-turned portions 6 and 7. F or the purpose of providing means for suitable adjustment of the head with reference to the rear and front axle the arms 4:

are located in a higher plane than the arms 5 or that is to say their axle contact points are located in a higher plane, said arms being bent upwardly at the points 8 and directly above the bend are located the projections 9, which projections serve the purpose of preventing the axle from sliding upon said arms toward the shank and the upward projections at the ends serve the purpose of preventing the axle from sliding off the ends of said arms. It is well understood that the rear wheels of a vehicle are larger in diameter than the front wheels, hence the rear axle is spaced a greater dis tance from the ground or floor than the front axle, but by providing the forward and rearward extending arms and locating them in different horizontal planes less adjustment is necessary to place the head in proper position to lift the front axle or the rear axle.

It will be understood that by changing the position of the arms by rotating the shank the arms 4; and 5 may be brought under the rear or front axle as desired; and in some instances it may be found necessary to use the short arms 5 to lift the rear axle or the lower axle.

It is well understood that in automobiles there is necessarily present near the front axle a steering rod which is located in different positions with reference to said front axle and hence it is necessary to so shape and form the arms 4 that when they are brought in position to lift the axle they Will clear the steering rod. It is also well understood that the rear axle is provided with a brace or braces designed to hold the gear case in position and hence it is necessary to so form the arms that they will clear the brace rods, but by forming the lifting arms as shown or substantially as shown the difficulty as just above pointed out is avoided.

Having fully described my invention what I claim as new and desire to secure by Letters Patent, is

1. In a head for lifting jacks, the combination of a shank and a lifting jack adapted to actuate said shank, the shank provided with a cross or T-bar, said cross or T-bar provided with spaced arms located upon opposite sides of the cross or T-bar, the arms upon one side located in a diflerent horizontal plane from portions of the arms upon the opposite sides, substantially as and for the purpose specified.

2. In a head for lifting jacks, the combination of a shank and a lifting jack adapted to actuate said shank, the shank provided with a cross or T-bar, said cross or T-bar provided with spaced arms located upon opposite sides of the cross or T-bar, the arms upon one side located in a different horizontal plane from portions of the arms upon the opposite sides, and the arms provided with upward projections, substantially as and for the purpose specified.

3. In a head for lifting acks, the combination of a shank and a lifting jack adapted to actuate said shank, a T-bar carried by said shank provided with forward and rearward extending arms, said arms spaced from each other, the arms upon one side of the T-bar provided with projections intermediate their ends and the T-bar, the por- ALBERTUS O. SLENTZ.

Witnesses SYLVIA BORON, F. W. BOND.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. C.

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