Combined piston rod alignment and sealing assembly for fluid act

Details Combined piston rod alignment and sealing assembly for fluid act Combined piston rod alignment and sealing assembly for fluid act

1996-08-22

1998-02-10

Nguyen, Hoang

Expansible chamber devices

With assembly or disassembly facilitating means

92168, F01B 2900

Patent

active

057157405

ABSTRACT:
A fluid actuator having a housing (cylinder) which encloses a piston actuated piston rod having at least one end extending through an opening in an end cylinder closure member secured in at least one end of the cylinder. The closure member is insertable into at least one end of the cylinder for sealing engagement therewith and is provided with a tapered seat which abuts against a similarly tapered seat provided in the cylinder to provide a metal-to-metal seal which also serves as an alignment mechanism for the extending piston rod.

REFERENCES:
patent: 3334773 (1967-08-01), Bimba
patent: 3559540 (1971-02-01), Sheldon
patent: 4085661 (1978-04-01), Schriever
patent: 4211151 (1980-07-01), Wallischeck
patent: 4238009 (1980-12-01), Wossner et al.
patent: 4771678 (1988-09-01), Walker
patent: 4976192 (1990-12-01), Grach

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