Push-push switch

Details Push-push switch Push-push switch

1985-04-17

1987-01-13

Marcus, Stephen

Electricity: circuit makers and breakers

Liquid contact

Time delay

200328, H01H 300

Patent

active

046366016

ABSTRACT:
A push-push switch comprises a reciprocatable operation shaft assembled in a housing, a movable contact responsive to operation of the operation shaft, and a heart-shaped cam for locking selectively the operation shaft at a certain position when the operation shaft is pushed in opposition to a recovery spring. An operation spring attached to the heart-shaped cam for pushing the heart-shaped cam toward the operation shaft is made of a plate spring which has two bent hook pieces and a band-like pushing spring portion.

REFERENCES:
patent: 2956446 (1960-10-01), Ensign, Jr. et al.
patent: 4382167 (1983-05-01), Maruyama et al.
patent: 4383153 (1983-05-01), Kondo et al.
patent: 4404436 (1983-09-01), Ohba

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