Call switch for wet areas

Details Call switch for wet areas Call switch for wet areas

1986-05-08

1988-03-01

Crosland, Donnie L.

Communications: electrical

Systems

Signal box type

340547, 340548, 340387, 340686, 200 6177, 335205, 338 32H, G08B 2500

Patent

active

047289287

ABSTRACT:
Call switch for use by hospital patients and staff members to summon aid in wet areas such as shower and bath areas. An actuating magnet is positioned on the front side of a waterproof panel for controlling the operation of electronic circuitry mounted in a dry area behind the panel. The magnet is carried by a slide for movement between rest and tripped positions, and a pull cord is connected to the slide by a breakaway member which permits the cord to separate from the slide when a patient becomes entangled in the cord or the pull on the cord otherwise exceeds a predetermined limit.

REFERENCES:
patent: 3696380 (1972-10-01), Murphy
patent: 3769556 (1973-10-01), Feldman
patent: 3913092 (1975-10-01), Klingenberg
patent: 4359719 (1982-11-01), Schwarzer
patent: 4389635 (1983-06-01), Gallagher

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