Unitized oil seals

Details Unitized oil seals Unitized oil seals

1981-07-06

1984-05-15

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277153, F16J 1534

Patent

active

044484267

ABSTRACT:
A unitized oil seal with inner and outer rigid casings. A seal lip body with primary and auxiliary sealing lips is bonded to the outer casing, and the sealing lip cooperates with an axial flange on the inner casing to provide a fluid-tight seal band area. The outer casing includes an auxiliary rubber or metal element which positions a locking flange on the inner casing against axial displacement. The axial flange on the inner casing has a radially inturned edge on the end opposite the locking flange to facilitate assembly. The inside diameter of the inner casing and the outside diameter of the outer casing include rubber or plastic sleeves for ease of installation on an associated sealed mechanism.

REFERENCES:
patent: 2867457 (1959-01-01), Riesing et al.
patent: 3021161 (1962-02-01), Rhoads et al.
patent: 3179424 (1965-04-01), Carson et al.
patent: 3341264 (1967-09-01), Otto
patent: 4037849 (1977-07-01), Thumm
patent: 4283063 (1981-08-01), Prescott

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