Patent ID: 6584634
Filing Date: 2003-07-01
Classification: D06F

Abstract:
A washing device having hydropneumatic action involving compression of a volume of air and water, with the air and water being expelled from the washing device under pressure, said washing device having a longitudinal axis and comprising:an outer housing having an upper and a lower end and defining an interior, said outer housing having an upper surface substantially covering the upper end thereof and an opening in the lower end thereof, said opening having a lateral dimension W1 transverse to said longitudinal axis; an inner housing positioned at least partially in the interior of the outer housing and having a passageway extending longitudinally therethrough, with an upper end of the inner housing being positioned inside the interior of the outer housing and a lower end of the inner housing extending through the opening in the lower end of the outer housing, said inner and outer housings being slidable relative to one another along the longitudinal axis; a flange provided on the inner housing, said flange having a lateral dimension W2 transverse to said longitudinal axis, wherein W12; and a spring positioned in the interior of the outer housing between the flange and the upper surface of the outer housing, the spring being substantially resilient.