Basin cleaning brush handle - is telescopic with hydraulic extension and retraction and limiting stops

摘要

The handle is for equipment used in cleaning basins such as swimming baths, the equipment having a suction device and one or more brushes. It is telescopic (9), with controls (33) for extension and retraction. It is in a number of tubular sections (a-d), each with stops to limit the degree of extension. Water under pressure is delivered into the sections to extend it, and between the stops to retract it.