Resiliently four-way tiltable vehicle jack base

Details Resiliently four-way tiltable vehicle jack base Resiliently four-way tiltable vehicle jack base

1977-06-23

1978-04-18

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Screw

Special engaging feature

254DIG1, B66F 1300

Patent

active

040847918

ABSTRACT:
A resiliently tiltable load supporting base for vehicle jacks is described. The base has a ground engaging base plate having a substantially flat bottom with a convex dome formed at the center thereof. This base has a peripheral stiffening rim with a vertical edge merging into a flared skirt. A load receiving plate with a flat top and downturned peripheral edge is mounted within the base. This load receiving plate has a socket for holding a screw jack post, the bottom wall of the socket having a concave depression pressed into the lower face thereof which rests on the base plate dome. The base plate and load receiving plate are retained together by means of a pin extending through the dome. Hard rubber blocks are mounted between the plates, and are uniformly spaced around the socket to maintain the plates in parallel relationship, while permitting some resilient tilting of a vehicle jack with respect to the base plate.

REFERENCES:
patent: 1870087 (1932-08-01), Beckwith
patent: 3881692 (1975-05-01), Clarke
patent: 4015825 (1977-04-01), Graafsma et al.

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