1975-12-23
1976-11-30
Song, Robert R.
Cutlery
F16C 3378
Patent
active
039945456
ABSTRACT:
The invention contemplates a seal construction as for use between relatively rotating parts such as the inner and outer race rings of an antifriction bearing. In such an application, the end of the inner ring is rabbeted to define a cylindrical land and a generally frusto-conical shoulder near one axial end of the raceway, and the outer ring may be conventionally formed for swedged or crimped reception of an annular metal seal cap assembled thereto. The cap metal is formed with an inward skirt having radial-clearance relation of an axially outer portion of the land, and an elastomeric seal member is bonded to the axially inner face of the cap metal, at a location radially offset from the inner edge of the skirt. The seal member comprises a body to provide substantially axially inward offset for suspension of a seal lip, integrally formed with the body and projecting inwardly to an extent having interference with the land, so that when assembled to the land the lip is in axially extensive and circumferentially continuous light resiliently loaded running contact with the land, and so that the bend of the lip near connection with the body is in closely nested, inversion-protecting adjacency to the frusto-conical shoulder.
REFERENCES:
patent: 3129985 (1964-04-01), Watson
patent: 3752544 (1973-08-01), Hay
patent: 3923351 (1975-12-01), Frost
patent: 3936105 (1976-02-01), Asberg
patent: 3944305 (1976-03-01), Asberg
Church Gene A.
Song Robert R.
Textron Inc.
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