Electric contact device

Details Electric contact device Electric contact device

1981-04-15

1983-02-15

Albritton, C. L.

Electrical resistors

Mechanically variable

Deformable

338252, 338302, H01C 1010

Patent

active

043743749

ABSTRACT:
An electric contact or circuit breaker device comprises a base member and an operating member. In a surface of the base member, there is provided at least one elongated indentation wherein an electric conductor is inserted and is without electrical connection with the base member. The operating member includes a cover layer of a resilient material which extends over each indentation in the base member. The cover layer is electrically conducting in order to establish electric connection between the cover layer and the conductor, when a pressure is applied to the cover layer in a direction towards or into the indentation. When the pressure ceases, the resiliency of the cover layer will break the electric connection. The electric contact device thus provided can be sealed in a simple and effective manner against intrusion of dirt and damp and the parts of the device are subjected to minimum mechanical wear.

REFERENCES:
patent: 2132685 (1938-10-01), Hampton et al.
patent: 2437969 (1948-03-01), Paul
patent: 3783689 (1974-01-01), Ehrenfried et al.
patent: 3794790 (1974-02-01), Leyland
patent: 3960044 (1976-06-01), Nagai et al.
patent: 4208648 (1980-06-01), Naumann

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