Patent ID: 7520019
Filing Date: 2009-04-21
Classification: A46B,B60S

Abstract:
1. A rotary carwashing brush comprising: an elongate, rotatable support structure defining an axis of rotation; brush means mounted on such structure for rotation therewith about said axis and having an outer perimeter; said brush means comprising multiple axially spaced-apart, circumferentially continuous revolutions of a non-woven, water-carrying, synthetic material into which shallow regularly alternating pleats of approximately two inches in width have been preformed and permanently set by heat and pressure; the pre-pleated construction of said revolutions being such that the pleats extend radially of said axis substantially fully from said axis to said outer perimeter and provide sufficient body to said brush means to remain substantially radially extended when stationary; and means for rotating said support structure and brush means against the wet surface of a vehicle being washed.