Fluid jack and locking device

Details Fluid jack and locking device Fluid jack and locking device

1979-05-18

1981-01-27

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Fluid pressure

Vehicle attached

92 138, 92 23, 92136, B66F 330

Patent

active

042470820

ABSTRACT:
A jack comprising a cylinder and a piston, the piston being reciprocal in the cylinder by means of pressure fluid. A piston rod extends out through an end wall of the cylinder. An abutment is fixed to the cylinder or connected to the piston rod. A restricting member, connected to the piston rod or the cylinder, is axially displaceable thereon for engagement with the abutment in any relative position between the piston and the cylinder. A locking device can be connected to the cylinder or the restricting member to lock the latter when engaging the abutment.

REFERENCES:
patent: 2284958 (1942-06-01), Grime
patent: 2408181 (1946-09-01), Simonton
patent: 3317186 (1967-05-01), Brandt
patent: 3321182 (1967-05-01), Elenburg
patent: 3658297 (1972-04-01), Banks

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