Seal for a joint or juncture – Seal between relatively movable parts – Diverse and distinct dynamic seals
Patent
1997-09-12
1999-11-02
Knight, Anthony
Seal for a joint or juncture
Seal between relatively movable parts
Diverse and distinct dynamic seals
277412, 277565, F16C 3372, F16C 3380, F16J 15453
Patent
active
059755334
ABSTRACT:
A sealed shaft bearing assembly employs a lubricant seal having a rigid seal case supporting a resilient dust seal in rubbing contact with a cylindrical surface on the shaft, and a labyrinth type primary seal between the dust seal and the interior of the seal case, with the labyrinth being defined by a stator mounted on the seal case and a rotor mounted for rotation with the shaft, and with the stator including a cylindrical tubular portion defining an elongated thin annular gap with the shaft cylindrical surface and the rotor defining an elongated thin annular gap with the outer surface of the rotor. The radial thickness and axial lengths of the thin annular gaps are such as to preclude the passage of grease type lubricant therethrough upon operation of the bearing.
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Fisher Kurt W.
Hubbard Paul A.
Sklute Andrew J.
Bean James L.
Brenco Incorporated
Knight Anthony
Kondracki Edward J.
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