Split dual lip seal for gear case

Details Split dual lip seal for gear case Split dual lip seal for gear case

1982-09-22

1983-12-20

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277192, F16J 1548

Patent

active

044213298

ABSTRACT:
A two-part dual lip, reversible seal for gear cases and the like wherein a peripheral seal is to be established about a shaft which passes into the housing. Each part of the seal is of semi-circular configuration consisting of a metal retainer and an elastomeric sealing portion which is formed as an integral unit and which is positioned and retained in appropriate channels in the gear case. The elastomeric seal comprises dual sealing lips having a recess therebetween for charging with lubricant prior to assembly of the housing over the gears and shaft. Projection of the seal element at either end of its circumferential extent allows for controlled compression of the elastomeric material in engagement with the mating part of the seal and a continuous seal about the periphery of the shaft.

REFERENCES:
patent: 3738669 (1973-06-01), Anderson et al.
patent: 3776559 (1973-12-01), Cawthorn
patent: 3866923 (1975-02-01), Gorman

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