Pre-loaded switching apparatus and method of operation

Details Pre-loaded switching apparatus and method of operation Pre-loaded switching apparatus and method of operation

1989-12-18

1992-07-21

Recla, Henry J.

Electricity: circuit makers and breakers

Solid contact

Push button operated

200527, 200529, H01H 1358, H01H 1962

Patent

active

051324997

ABSTRACT:
A miniature ratchet type push button activated electrical switch having a mainspring and an auxiliary spring wherein spring rates, spring lengths and spring orientations are selected such that a substantial depression of the push button is required before electrical continuity is broken in a closed circuit. This configuration additionally serves to reduce the amount of audible noise generated by the switch during the ratcheting operation.

REFERENCES:
patent: 977446 (1910-12-01), Gervin
patent: 3204067 (1965-08-01), Brown
patent: 4209682 (1980-06-01), Rood
patent: 4317015 (1982-02-01), Buttner et al.

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