Top brush construction with inflatable center section

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

1984-10-26

1986-09-16

Roberts, Edward L.

Brushing, scrubbing, and general cleaning

Machines

Wiping

15230, 1523014, 1523016, B60S 306

Patent

active

046113592

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 resilient cushion which reduces or eliminates the damaging effect of abrupt contact between the vehicle and a support shaft for the brush. In one 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. In a second preferred embodiment the cushion is comprised of open cell foam, which is cylindrical in nature and covered in the same manner as above.

REFERENCES:
patent: 689590 (1901-12-01), Johnson et al.
patent: 2215692 (1940-09-01), Fleming
patent: 3543319 (1970-12-01), Posner
patent: 3584328 (1971-06-01), Lechene et al.
patent: 3774259 (1973-11-01), Genaro
patent: 4250591 (1981-02-01), Mello
patent: 4377878 (1983-03-01), Pecora

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