Unitized shaft seal

Details Unitized shaft seal Unitized shaft seal

1992-03-27

1993-04-13

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 37, 277133, 277153, F16J 1532

Patent

active

052015289

ABSTRACT:
A shaft seal in which a sealing lip provided on an elastomeric portion of a first annular member is in sealing contact with a sealing surface of a second annular member which in operation is adapted to rotate relative to the first annular member, and in which an annular elastomeric support portion provided on the first annular member supports axial forces on a radial surface of the second annular portion. The support portion includes protrusions with apices which cooperate with the radial surface of the second annular member and are distributed circumferentially at uniform intervals.

REFERENCES:
patent: 3685841 (1972-08-01), Keller
patent: 4037849 (1977-07-01), Thumm
patent: 4123068 (1978-10-01), Van Gorder
patent: 4208057 (1980-06-01), Messenger
patent: 4836561 (1989-06-01), Lebeck et al.
patent: 5004248 (1991-04-01), Messenger et al.
patent: 5024364 (1991-06-01), Nash
Publication "Elasto-hydrodynamic Lubrication" Dowson et al. 1966.

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