E - Fixed Constructions – 03 – C
Patent
E - Fixed Constructions
03
C
342/13, 342/37,
E03C 1/05 (2006.01)
Patent
CA 1286755
ABSTRACT OF THE DISCLOSURE A hydrotherapy system is provided including a hydrotherapy tub with a water circulation pump and motor. Electrical proximity sensor terminals are mounted to the tub on the outside surface, one at a relatively low level for detecting the presence of water in the tub and a second preferably at a higher level for detecting the presence of the user to serve as an "on" and "off" switch which the user can operate by placing his hand in proximity therewith. Neither of the terminals requires physical contact to be actuated. Each is connected to circuit means for establishing the presence of an object in proximity with it and each of the terminals is operatively connected to the pump motor so that the pump motor will operate only when both of the terminals are actuated.
551163
Johnson Gregory R.
Shepherd Philip E.
Johnson Gregory R.
Marks & Clerk
Pearl Baths Inc.
Shepherd Philip E.
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