Locking type pushbutton switch

Details Locking type pushbutton switch Locking type pushbutton switch

1983-12-05

1985-04-30

Shepperd, John W.

Electricity: circuit makers and breakers

Liquid contact

Time delay

H01H 1356

Patent

active

045146080

ABSTRACT:
A locking type pushbutton switch has a lock pin adapted to engage with a heart-shaped cam groove and comprised of a pin part and a mounting part. Portions of the mounting part adjacent the pin part are cut away to enable the pin part to be made longer. Therefore the pin part has sufficient flexibility, resulting in smooth operation of the lock pin. Moreover, the lock pin is held by the upper and lower cases, and the supporting plate and spring plate normally provided are no longer necessary.

REFERENCES:
patent: 4160143 (1979-07-01), Schlesier et al.
patent: 4249053 (1981-02-01), Tsutui
patent: 4368368 (1983-01-01), Russenberger

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