Electric snap-action switch

Details Electric snap-action switch Electric snap-action switch

1975-09-22

1977-11-15

Smith, Jr., David

Electricity: circuit makers and breakers

Special application

Liquid or moisture responsive

H01H 1328

Patent

active

040586936

ABSTRACT:
A snap-action switch having a housing, a push button and return springs therefor, a pair of contact assemblies and a pair of contact bridges between the contact assemblies, a jump member to alternately move the contact bridges against and away from the contact assemblies, a single stationary magnet on the housing, the jump member including a soft iron leg or plate to engage and be retained by the magnet, and the jump member also including a soft iron armature or plate movable with respect to the leg of the jump member toward and away from the magnet, and a bias spring alternately bearing at one end against the push button and jump member and alternately bearing at the other end through a thrust member or plate to the soft iron armature and the push button.

REFERENCES:
patent: 2598556 (1952-05-01), Judson
patent: 3361999 (1968-01-01), Leinauer et al.

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