Patent ID: 6752342
Filing Date: 2004-06-22
Classification: B65H

Abstract:
A water flow operated device for winding and/or unwinding a length of flexible material, the device comprising:(a) a stationary element; (b) a spool having a central axis, said spool being rotatably engaged by said stationary element and being rotatable about said central axis; and (c) a water flow operated mechanism being engaged by said stationary element for controllably rotation said spool, said water operated mechanism including: (i) a water operated piston motor having at least two water operated pistons mechanically linked to said spool, and a distribution valve assembly for selectively directing water to said pistons so as to rotate said spool; (ii) a water inlet for directing water into said water flow operated mechanism, said water inlet being communicable with a household water source; (iii) a water outlet for directing water out of said water flow operated mechanism; and (iv) a control valve for controlling a flow of water through said water flow operated mechanism.