Radial type liquid seal with bend preventing means

Details Radial type liquid seal with bend preventing means Radial type liquid seal with bend preventing means

1984-10-04

1986-03-11

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 11, 277166, F16J 1532

Patent

active

045751048

ABSTRACT:
A sealing apparatus disposed between a housing and a shaft received in the housing. The sealing apparatus has, at least, a fitting portion which is fitted to either one of the housing and the shaft, and a seal lip of an elastic material which extends axially obliquely from the fitting portion and is provided at its distal end with a seal portion. The sealing apparatus is provided with a bend preventing portion which is formed at the distal end of the seal lip such as to extend axially outwardly of the seal portion.

REFERENCES:
patent: 2867457 (1959-01-01), Riesing et al.
patent: 3341265 (1967-09-01), Paterson
patent: 3501155 (1970-03-01), Dega et al.
patent: 3746351 (1973-07-01), Tucker
patent: 4350347 (1982-09-01), Heinrich
patent: 4357026 (1982-11-01), Panchetti
patent: 4410190 (1983-10-01), Potter
patent: 4426094 (1984-01-01), Antonini
patent: 4436317 (1984-03-01), Schmitt
patent: 4447064 (1984-05-01), Ehrmann et al.

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