Liquid and gas impenetrable switch

Details Liquid and gas impenetrable switch Liquid and gas impenetrable switch

1996-01-31

1997-03-11

Walczak, David J.

Electricity: circuit makers and breakers

Solid contact

Reciprocating actuator

2003023, H01H 1300

Patent

active

056103794

ABSTRACT:
A liquid and gas impenetrable switch, especially for electrical surgical instruments, has two pairs of contacts spaced from one another. The movable contact element of each pair is arranged between the associated fixed contact element and a diaphragm. With elastic deformation, the diaphragm and movable contacts can be moved by the switch operating force into contact with the fixed contact elements. The diaphragm covers the movable contact elements and is supported by a rocker.

REFERENCES:
patent: 3801766 (1974-04-01), Morrison
patent: 3911241 (1975-10-01), Jarrard
patent: 4034761 (1977-07-01), Prater
patent: 4105882 (1978-08-01), Ulbing et al.
patent: 4356367 (1982-10-01), Moldenhauer
patent: 4427006 (1984-01-01), Nottke
patent: 4520247 (1985-05-01), Pancook et al.
patent: 4545375 (1985-10-01), Cline

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