Top brush construction with inflatable center section

Details Top brush construction with inflatable center section Top brush construction with inflatable center section

1984-01-19

1985-10-22

Roberts, Edward L.

Brushing, scrubbing, and general cleaning

Machines

Wiping

15DIG2, 15230, 1523014, 1523016, B60S 306

Patent

active

045479224

ABSTRACT:
A rotary brush for vehicle washing systems comprising first, second and third sections of radially extending felt strips, the lengths of said strips being such that the overall outer diameter of the brush when rotating is uniform but the second or central section being mounted on a large diameter inflatable cushion which reduces or eliminates the damaging effect of abrupt contact between the vehicle and a support shaft for the brush. In the preferred embodiment the cushion comprises a series of inflatable rubber inner tubes captured within a felt covering having a zipper and drawcords for installation and removal purposes.

REFERENCES:
patent: 689590 (1901-12-01), Johnson et al.
patent: 3543319 (1970-12-01), Posner
patent: 3774259 (1973-11-01), Genaro
patent: 4250591 (1981-02-01), Mello
patent: 4377878 (1983-03-01), Pecora

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