Polymer bearing seal and sealed bearing

Details Polymer bearing seal and sealed bearing Polymer bearing seal and sealed bearing

1997-02-21

1999-06-08

Nicholson, Eric K

Seal for a joint or juncture

Seal between relatively movable parts

Circumferential contact seal for other than piston

277562, F16J 1532

Patent

active

059098805

ABSTRACT:
A polymer ring has a circumferential mounting flange and an annular end wall extending radially inwardly and axially inwardly therefrom, providing a conically convex side and a conically concave side. An annular seal lip projects from a radially inner portion of the end wall to engage an annular radially outwardly curved surface of the bearing inner ring after insertion of the seal into the bearing. An annular rib located on the convex side between the end wall and the mounting flange, and an annular rib groove on the concave side opposite the annular rib, allow the polymer ring to collapse radially as the end wall is deflected axially outwardly to a more radial orientation during insertion.

REFERENCES:
patent: 3388638 (1968-06-01), Brinkel
patent: 3623738 (1971-11-01), MacDonnell
patent: 3700296 (1972-10-01), Bugmann
patent: 4428629 (1984-01-01), Colanzi et al.
patent: 4611931 (1986-09-01), Brandenstein et al.
patent: 4733978 (1988-03-01), Colanzi et al.
patent: 4805919 (1989-02-01), Wiblyi et al.
patent: 5037213 (1991-08-01), Uchida et al.
patent: 5137285 (1992-08-01), Pick
patent: 5333957 (1994-08-01), Yip et al.

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