Hydraulic actuator

Details Hydraulic actuator Hydraulic actuator

1992-10-21

1995-05-02

Look, Edward K.

Expansible chamber devices

Relatively movable working members

Rigid stem on first working member portion extends through...

92 75, 92107, 92165PR, 72417, 100269R, B30B 108, F01B 710, F16J 1518

Patent

active

054109469

ABSTRACT:
A hydraulic actuator including a single cylinder body which defined therein a pressure chamber in which a first piston with a piston rod and a second piston with a piston rod are independently movably inserted, a first working member secured to the first piston rod, a second working member secured to the second piston rod, and pressurized fluid inlet and outlet ports provided in the cylinder body to be connected to the pressure chamber.

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patent: 4125009 (1978-11-01), Byrd et al.
patent: 4572057 (1986-02-01), Wewerka
patent: 4779443 (1988-10-01), Hoshi
patent: 4796454 (1989-01-01), Bulso, Jr. et al.
patent: 4984509 (1991-01-01), Hoshi

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