Self-disengaging static seal

Details Self-disengaging static seal Self-disengaging static seal

1978-01-17

1978-11-28

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 8, 277 32, 277 65, 277 81R, 277137, F16J 1538, F16J 1554

Patent

active

041272757

ABSTRACT:
A static seal is utilized to provide a fluid boundary in place of a dynamic eal during underwater storage. The static seal is formed by an O-ring disposed between a threaded collar and retainer. The collar is held in alignment with a shaft by means of slots so that the collar rotates with the shaft in either rotational direction but is capable of moving independent of the shaft in the axial direction. The collar is threaded to the retainer by turning the collar with respect to the retainer in a clockwise direction. This forms the O-ring static seal permitting underwater storage of an underwater vehicle for an extended period of time. Following storage the operation of the shaft in a counter-clockwise direction disengages the collar from the retainer thereby releasing the static seal so that the dynamic seal comes into utilization.

REFERENCES:
patent: 2835514 (1958-05-01), McGahan
patent: 2860895 (1958-11-01), Mosbacher
patent: 2925291 (1960-02-01), Bygbjerg
patent: 3088442 (1963-05-01), Self et al.
patent: 3241844 (1966-03-01), Morley
patent: 3749412 (1973-07-01), Lingley
patent: 3874674 (1975-04-01), Germain et al.

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