Scrubbing unit for vehicle-washing station

Details Scrubbing unit for vehicle-washing station Scrubbing unit for vehicle-washing station

1975-09-08

1977-01-25

Roberts, Edward L.

Brushing, scrubbing, and general cleaning

Machines

Brushing

15DIG2, B60S 306

Patent

active

040043134

ABSTRACT:
In order to prevent entanglement of the bristles of a rotating brush with outside mirrors or other projecting parts of an automotive vehicle being scrubbed, the brush is divided into a lower and an upper section coaxially supported on a common substantially vertical shaft, the lower section being fixed to the shaft whereas the upper one is freely rotatable thereon. Each brush section has a cylindrical core with a body of flexible bristles radiating therefrom; during rotation, the two bristle bodies assume the shape of cylinders with substantially equal diameters. A frictional coupling is externally operable, manually or through a cam track disposed alongside the path of movement of the brush support, for either linking the core of the upper section with the shaft or holding it against rotary entrainment, the latter state allowing the bristles of that section to collapse while the continuing rotation of the adjoining lower section holds the brush shaft spaced from the vehicular surface against which it is urged by an external force.

REFERENCES:
patent: 3403417 (1968-10-01), Hanna et al.

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