Brushing – scrubbing – and general cleaning – Machines – Brushing
Patent
1996-06-06
1999-11-09
Chin, Randall E.
Brushing, scrubbing, and general cleaning
Machines
Brushing
15 533, 15 973, 15DIG2, B60S 306
Patent
active
059790024
ABSTRACT:
A new and improved vehicle wash apparatus having a rigid arm with opposite ends. One end is journaled about a generally vertically extending pivot to a washer frame which extends over the vehicle being washed. The rigid arm at its distal end is journaled about a horizontally disposed pivot rod connected to a moveable arm extension having a distal end. A rotary brush is journaled at the distal end of the moveable arm extension for rotation about a vertical axis. The moveable arm extension and brush is moveable both inwardly and outwardly of the vehicle wash frame on both sides of the vertical position and being biased inwardly thereof. The rigid arm is biased into a position generally transverse to the movement of the vehicle being washed relative to the arm, whereby the rotating brush is always in contact with the vehicle being washed. The invention also includes an improved vehicle wash apparatus having such a vehicle wash arm and brush whereby both sides and both ends of the vehicle are all washed in one pass through the vehicle wash apparatus.
REFERENCES:
patent: 3626537 (1971-12-01), Wilson
patent: 3931660 (1976-01-01), Capra
patent: 4225995 (1980-10-01), Ennis
patent: 4754515 (1988-07-01), Ennis
patent: 5367736 (1994-11-01), Kaady
patent: 5715558 (1998-02-01), Johnson
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