Seal

Details Seal Seal

1987-08-04

1989-06-06

Griffin, Donald A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

432115, F16J 1554, F27B 724

Patent

active

048365602

ABSTRACT:
A seal for a housing with a housing wall enclosing a rotatable tubular body includes a first sealing ring concentrically surrounding and secured to the tubular body, the first sealing ring having a sealing surface disposed at a right angle to the axis of the tubular body. A retaining device is secured on the housing and movable parallel to the axis of the tubular body. A second opposing sealing ring is secured on the retaining device and spaced from the housing wall defining an interspace therebetween. A spring biases the second sealing ring away from the housing wall and against the sealing surface of the first sealing ring in axial direction of the tubular body and a bellows surrounds the tubular body and tightly closes off the interspace.

REFERENCES:
patent: 2048581 (1936-07-01), Weiher
patent: 2434845 (1948-01-01), Gaffney
patent: 2939730 (1960-06-01), Turpin
patent: 4193756 (1980-03-01), Leon
patent: 4295824 (1981-10-01), Wens

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