Seal assembly

Details Seal assembly Seal assembly

1995-09-27

1997-08-05

Cummings, Scott

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277152, F16J 1532

Patent

active

056534493

ABSTRACT:
A seal assembly (10) includes a relatively rigid seal holder (12) and a relatively soft O-ring seal member (14). The seal member (14) is disposed in an annular groove (16) in the seal holder (12). A plurality of ribs (70) are disposed between the seal member (14) and the bottom (76) of the annular groove (16) in the seal holder (14) to retard rotation of the seal member (14) relative to the seal holder (12). In one embodiment of the invention, the ribs (70) are integrally formed as one piece with the seal holder (12) and engage an outer side surface (72) of the seal member (14). In another embodiment of the invention, the ribs (70) are integrally formed as one piece with the seal member (14a) and engage a smooth arcuate bottom of an annular groove in a seal holder. In another embodiment of the invention, both the seal holder (12) and the seal member (14a) are provided with ribs (70 and 70a).

REFERENCES:
patent: 3636824 (1972-01-01), Clark
patent: 4067584 (1978-01-01), Hunger
patent: 4427204 (1984-01-01), Alley
patent: 4834037 (1989-05-01), Lafever
patent: 4856794 (1989-08-01), Boyers et.al.
patent: 5018753 (1991-05-01), Porel
patent: 5269539 (1993-12-01), Martin
patent: 5395125 (1995-03-01), Porel

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