Self tightening venting end cap for vehicle wheel bearing

Details Self tightening venting end cap for vehicle wheel bearing Self tightening venting end cap for vehicle wheel bearing

1993-10-25

1995-01-10

Footland, Lenard A.

Bearings

Rotary bearing

Antifriction bearing

384544, 3011083, 301 3742, F16C 3378

Patent

active

053801032

ABSTRACT:
An end cap for sealing one side of the bearing space of a non powered vehicle wheel bearing having an inner spindle and a surrounding, outer hub. The outermost perimeter of the cap is securely latched to the outer surface of the edge of the hub. A concave channel molded integrally to the cap fits snugly inside the inner surface of the hub and has a base wall that is not square to the hub axis, but sloped slightly in a radially outward, axially inward orientation. The center cup section of the cap forms the inner wall of the concave channel. Inward pressure on the cap causes the base wall to flatten and the cylindrical wall to tend to diverge, tightening it seal against the inner surface of the hub. Outward pressure creates the opposite effect, as the cylindrical sealing wall converges and allows pressure to leak out, despite the lack of discrete venting openings.

REFERENCES:
patent: 4368933 (1983-01-01), Motsch
patent: 5079465 (1992-01-01), Schmidt et al.
patent: 5172984 (1992-12-01), Lederman
patent: 5195807 (1993-03-01), Lederman

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