Low friction seal assembly

Details Low friction seal assembly Low friction seal assembly

1990-07-23

1991-05-14

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 26, 277 38, 277 44, 277152, 384482, B65D 5300, F16J 1532

Patent

active

050150014

ABSTRACT:
A lubricant seal assembly adapted for installation in an annular clearance space between a shaft and a surrounding housing. The assembly includes inner and outer case members that can be press fit on the shaft and housing. An annular bumper element is arranged between confronting surfaces of the case members to limit excessive telescopic motion of the members during the installation process. The bumper element is formed of a fusible material, such that during an initial break-in period frictional heat melts some of the bumper material to quickly produce a low friction seal assembly.

REFERENCES:
patent: 3135518 (1964-06-01), Carson et al.
patent: 3341265 (1967-09-01), Patterson
patent: 3472254 (1969-10-01), Reed, Jr. et al.
patent: 3527512 (1970-09-01), Miller
patent: 3685841 (1972-08-01), Keller
patent: 4208057 (1980-06-01), Messenger
patent: 4252329 (1981-02-01), Messenger
patent: 4413831 (1983-11-01), Washida et al.

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