Hydraulic device

Details Hydraulic device Hydraulic device

2005-02-01

2005-02-01

Look, Edward K. (Department: 3745)

Motors: expansible chamber type

With motive fluid valve

C091S459000, C091S461000

Reexamination Certificate

active

06848353

ABSTRACT:
A hydraulic device includes a passage block with a first hole, an internal body received in the first hole connected to a hydraulic module and an actuator. The actuator has a cylindrical shell integrally connected at its one side to the passage block and projecting at its other side from the passage block. The passage block has a first and second passageway to communicate the hydraulic module with a groove means on the internal body, and a third passageway to communicate the groove means with a first chamber of the actuator. A connecting member connects the fluid distributor unit to the other side of the actuator to communicate the groove means with a second chamber of the actuator.

REFERENCES:
patent: 2976852 (1961-03-01), Goldring
patent: 3158068 (1964-11-01), Bokelman
patent: 3818800 (1974-06-01), Bertaux
patent: 4011887 (1977-03-01), Raymond
patent: 4150686 (1979-04-01), El Sherif et al.
patent: 5297469 (1994-03-01), Raymond
patent: 6435205 (2002-08-01), Hattori et al.
patent: 6530220 (2003-03-01), Porter et al.
patent: 4227563 (1994-02-01), None

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