| 摘要 |
A shower arm (9) drive for a bidet is provided in which the shower arm, a lever type drive mechanism (37), a piston cylinder (36), and a water distributor (34) are fastened on a support plate (1). To extend the shower arm (9) for the showering process, the pressure chamber (39) of the piston cylinder (36) is connected to the water mains by actuating a pressure switch. The piston (21) is pushed forward against the restoring force of a compression spring by the pressure of the water flowing into the chamber (39), and the shower arm (9) is extended via the lever type drive mechanism (37). A control valve (12) regulates the admission of warm shower water to a nozzle (10) arranged at the front end of the shower arm (9). The drive permits space-saving arrangement and the installation of the drive in a water closet lid. B:21727,1
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