Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1986-07-08
1988-05-17
Ward, Robert S.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277165, F16J 1524
Patent
active
047445718
ABSTRACT:
A self-compensating seal having a substantially torodially shaped seal body and a plurality of axially separated annular wipers extending radially inwardly from the inner rim of the seal body in parallel arrangement. When a shaft or rod having a diameter greater than the inside diameter of the seal opening is inserted through the central seal opening, the wipers are bent or collapsed so as to extend in an axial direction. Each of the wipers is radially inwardly biased so that wear at the sealing surfaces of the wipers caused by shaft movement is compensated for automatically.
REFERENCES:
patent: Re24440 (1958-03-01), Groen
patent: 1817776 (1931-08-01), Sipe
patent: 2451070 (1948-10-01), Chamberlain
patent: 2616504 (1952-11-01), Osmun
patent: 2719768 (1955-10-01), Webber
patent: 2935365 (1930-05-01), Dega
patent: 2976543 (1961-03-01), Turner et al.
patent: 3057408 (1962-10-01), Griffitts
patent: 3183009 (1965-05-01), Kunel
patent: 3194571 (1965-07-01), Peickii et al.
patent: 4101140 (1978-07-01), Reid
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