Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1979-02-12
1981-05-19
Ward, Jr., Robert S.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277 95, 277152, 277227, 277212C, 3081871, 308163, F16J 1534, F16J 1532, F16C 3320
Patent
active
042680409
ABSTRACT:
A thrust washer having a backing layer of resilient material such as rubber or other elastomers and having, for example, a polytetrafluoroethylene bearing surface, which can include one or more integral sealing lips formed from the polytetrafluoroethylene bearing material. Another aspect of this invention is a unitary article including said resiliently-backed thrust washer in combination with a seal. This unitary article can be purchased and installed as a unit taking the place of four separate prior art elements that had to be purchased and installed separately.
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Bainard Dean R.
Benjamin Martin E.
Garlock Inc.
Ward, Jr. Robert S.
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