Seal for relatively rotatable parts

Details Seal for relatively rotatable parts Seal for relatively rotatable parts

1985-10-02

1987-02-17

Shoap, Allan N.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 71, 277101, 277152, F16J 1532

Patent

active

046434399

ABSTRACT:
The external seal is mounted on a housing about a rotary shaft projecting through an opening in the housing. The seal is a resilient, flexible member having a generally tubular body portion with an annular lip extending radially outwardly from one end of the body portion and a flange extending radially outwardly from the other end of the body portion. The lip extends into a sealing chamber formed by the outside of the housing and a replaceable sealing member which has an inside surface spaced from and parallel to the outside of the housing. The tubular portion of the seal extends through an annulus formed by the shaft and the replaceable member. The outwardly extending flange is used to prevent the clamp holding the seal to the shaft from falling out.

REFERENCES:
patent: 2132249 (1938-10-01), Van Pelt
patent: 2231947 (1941-02-01), Rich
patent: 2480464 (1949-08-01), Gregoire
patent: 3572774 (1971-03-01), Sipler
patent: 3615097 (1971-10-01), Malmstrom
patent: 4188039 (1980-02-01), Krisak et al.
patent: 4230324 (1980-10-01), Derman
patent: 4461487 (1984-07-01), Matsumoto
patent: 4573692 (1986-03-01), Frank et al.

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