Electrical switch having a snap-acting switch element

Details Electrical switch having a snap-acting switch element Electrical switch having a snap-acting switch element

1988-01-25

1989-04-18

Pellinen, A. D.

Electricity: circuit makers and breakers

Multiple circuit control

Multiple switch

200290, 200409, 337365, H01H 1314

Patent

active

048229598

ABSTRACT:
A switch element including a ribbon-type spring member having a plurality of interconnected inner and outer loops and stressed to cause the member to take a substantially dome-shaped configuration and the loops to store a predetermined amount of energy. The spring member is made of electrically conductive material, and adapted to coact with contacts to open and close a circuit and to define a snap-acting function for the element that may be used for monostable or bistable switch operation.

REFERENCES:
patent: 2361193 (1944-10-01), Gray
patent: 2624819 (1953-01-01), Spina et al.
patent: 2629791 (1953-02-01), Tourneau
patent: 3909768 (1975-09-01), Woods
patent: 4751351 (1988-06-01), Lambke
patent: 4760221 (1988-07-01), Yoshida et al.

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