Importance

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Abstract

A replaceable rotatable therapy head is disclosed wherein the operating mechanism including an impeller and a gear train between the impeller and a ring gear on the housing is supported by a ring which is integral with the emitting nozzle and the supporting ring is held to the body of the structure by means of the flange ring also bonded to the body of the therapy head. The gear train is at the downstream end of the housing and the impeller blades are at the upstream end of the housing spaced from the gear train. A water diversion means is disposed between the gear train and the impeller blades. A friction reducing ring or the like is disposed between the support ring and the housing. The system utilizing the heads, which may be at a selected acute angle, includes aerators in the supply lines for mixing the water with air.

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First Claim