Composite operation type actuator

Details Composite operation type actuator Composite operation type actuator

2006-12-12

2006-12-12

Lazo, Thomas E. (Department: 3745)

Motors: expansible chamber type

Relatively movable working members with one having motive...

C092S065000

Reexamination Certificate

active

07146900

ABSTRACT:
A cylinder chamber17at the front of a direct-acting type actuator section10is connected to a cylinder chamber37at the front of an oscillating type actuator section30through a sequence valve with check valve40. Further, a cylinder chamber18in the rear of the direct-acting type actuator section10is connected to a cylinder chamber38in the rear of the oscillating type actuator30through a stop valve50. Ports61and62are provided for connecting passages between the cylinder chamber37and the sequence valve with check valve40and between the cylinder chamber18and the stop valve50, respectively, for distribution control of a working fluid. According to the setting conditions of the respective valves40and50, the piston rod11can perform an ordinary reciprocating motion and a motion that combines rotation and advancement.

REFERENCES:
patent: 4036309 (1977-07-01), Petreev et al.
patent: 4208879 (1980-06-01), Segawa
patent: 4216700 (1980-08-01), Iida
patent: 5806404 (1998-09-01), Sher
patent: 46-33457 (1971-09-01), None
patent: 63-29921 (1988-08-01), None
patent: 1-118203 (1989-08-01), None
patent: 2-14803 (1990-01-01), None
patent: 2875220 (1999-01-01), None

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