Delay and accelerating mechanism for a wrap-around brush...

Details Delay and accelerating mechanism for a wrap-around brush... Delay and accelerating mechanism for a wrap-around brush...

2007-11-13

2007-11-13

Chin, Randall (Department: 1744)

Brushing, scrubbing, and general cleaning

Machines

Brushing

C015S053200, C015SDIG012

Reexamination Certificate

active

10830141

ABSTRACT:
A brush support arm delay and accelerating mechanism for a vehicle washing apparatus having a supporting frame with an upper frame member extending over the path of a vehicle to be washed, includes a mounting arm attached to the upper frame member and having a bracket pivotally mounted thereto with a spring biasing means connected between the bracket and the mounting arm. A pair of bumpers are mounted on the bracket so that one of the bumpers contacts the brush support arm during outward pivotal movement of the brush support arm to retard the outward pivotal movement thereof and the other of the bumpers contacts the brush support arm during inward pivotal movement of the brush support arm to accelerate the inward pivotal movement of the brush support arm during a vehicle washing operation.

REFERENCES:
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patent: 3926663 (1975-12-01), Gray
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patent: 4225995 (1980-10-01), Ennis
patent: 4305174 (1981-12-01), Pyle et al.
patent: 5367736 (1994-11-01), Kaady et al.
patent: 5715558 (1998-02-01), Johnson

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