Jack for positioning and supporting a machine

Details Jack for positioning and supporting a machine Jack for positioning and supporting a machine

1978-05-01

1979-11-06

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Fluid pressure

Vehicle attached

B66F 324

Patent

active

041733290

ABSTRACT:
A jack for positioning and supporting a large industrial machine or other object on its foundation. The jack comprises a base to be supported on the foundation, a support member having a cylinder bore therein, and a ball mounted on the base, the lower end of the piston bearing on the ball to permit limited swivel movement. The support member has a generally flat, upwardly facing end face to engage the object from below and a lower downwardly facing end face which is supported by hardened grout and which extends out beyond the base. The support member is tapered from its lower to its upper end face providing a tapered surface which is sufficiently rough to mechanically interlock with the hardened grout thereby to inhibit upward movement of the support member with respect to the foundation.

REFERENCES:
patent: 2215146 (1940-09-01), Compano
patent: 2503659 (1950-04-01), Curtis
patent: 2886875 (1959-05-01), Anderson
patent: 3194853 (1965-07-01), Weise et al.

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