Fluid motor and combination bumper and sealing ring therefor

Details Fluid motor and combination bumper and sealing ring therefor Fluid motor and combination bumper and sealing ring therefor

1974-05-14

1976-06-08

Schwadron, Martin P.

Expansible chamber devices

With cushioning means effective over a portion only of stroke

F01B 1102

Patent

active

039615642

ABSTRACT:
A fluid motor and a combination bumper and sealing ring therefor in which the ring is of rubber-like material with a sealing portion to seal the joint between the cylinder and an end cap and with a bumper portion to cushion the piston at the end of its stroke. The sealing portion is axially spaced from portions of the end cap and there is a recess between the sealing portion and bumper portion to prevent the sealing portion from being deformed when the bumper portion is deformed by contact with the piston.

REFERENCES:
patent: 3162097 (1964-12-01), Allen et al.
patent: 3194324 (1965-07-01), Langas
patent: 3266581 (1966-08-01), Cooley et al.
patent: 3320860 (1967-05-01), Bade
patent: 3387541 (1968-06-01), Bade
patent: 3392632 (1968-07-01), Volkmann
patent: 3427928 (1969-02-01), Bade
patent: 3494530 (1970-02-01), Bade
patent: 3496840 (1970-02-01), Wandel et al.

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