Brushing – scrubbing – and general cleaning – Machines – Wiping
Patent
1977-03-11
1978-06-27
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Machines
Wiping
51337, B60S 304
Patent
active
040966003
ABSTRACT:
The friction curtain apparatus is for washing a motor vehicle which is moved through an opening in the frame of the apparatus having a longitudinally extending axis between the opening's entrance and exit. A least a pair of swingable scrubbing units are pivotally carried by the frame on each side of the axis and are capable of turning or swinging in alternate directions forward and then backward with respect to the entrance and exit. Each of the units comprises an elongated rack having a plurality of transversely extending slot-defining apertures which are parallel to one another. A pack unit containing fill material is received in each of the apertures and forms a curtain. The racks of each pair of units are connected by tie bars which are pivotally connected to upstanding arms carried at opposite ends of the racks. Power actuated means are provided for swinging the racks and the curtains carried thereby through an arcuate path forward and then backward and imparting to the curtains a sweeping scrubbing and flicking motion to permit the curtains to contact the exterior portions of the vehicle to clean or to finish same. The power actuated means includes mechanism for coordinating the swinging of the racks and curtains of each pair of units in a selected phase relationship resulting in that the racks and curtains at one side of the axis are pivotally turned out of phase with the racks and curtains on the other side of the axis.
REFERENCES:
patent: 3747285 (1973-07-01), Block
patent: 3859686 (1975-01-01), Breish
patent: 3879903 (1975-04-01), Belanger
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