Spherical bearing arrangement for vehicle laundry brush

Details Spherical bearing arrangement for vehicle laundry brush Spherical bearing arrangement for vehicle laundry brush

1997-04-28

1998-09-29

Spisich, Mark

Brushing, scrubbing, and general cleaning

Machines

Wiping

15 532, 15 533, 15DIG2, B60S 306

Patent

active

058130772

ABSTRACT:
A spherical bearing for a vehicle laundry brush which affords universal angular displacement freedom for the brush. The spherical bearing is mounted to the outboard end of a brush support arm and consists of a hemispherical bearing member and a complemental bearing seat. A rests on top of the bearing member for universal pivoting movement relative thereto. A brush drive motor, gear box, and a drive shaft are mounted to the bearing so that the drive shaft extends through the bearing member and is suspended in a generally vertical position. Cage members on the support arm operate with extensions associated with the spherical bearing to prevent rotation of the bearing about the brush axis. The moment of inertia of the brush components located below the pivot point is substantially greater than the moment of inertia of components mounted above the pivot point thereby providing a self-damping function. The spherical bearing is preferably formed from a bowling ball.

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