Electricity: circuit makers and breakers – Liquid contact – Time delay
Patent
1981-02-17
1982-11-23
Shepperd, John W.
Electricity: circuit makers and breakers
Liquid contact
Time delay
200153J, H01H 1356
Patent
active
043607217
ABSTRACT:
A push button switch with an alternate action mechanism having a heart cam groove formed in the manipulation rod slidably received by a case. The longitudinal side wall of the heart cam groove is formed by the side wall of the case, so as to permit the width of the heart cam mechanism to be reduced considerably.
REFERENCES:
patent: Re27836 (1973-12-01), Hansen
patent: 3624328 (1971-12-01), Hansen
patent: 3707610 (1972-12-01), Davies
patent: 3732386 (1973-05-01), Ohkita
patent: 3914570 (1975-10-01), Lockard
patent: 4137438 (1979-01-01), Sato
patent: 4160143 (1979-07-01), Schlesier et al.
Alps Electric Co. ,Ltd.
Dunne Gerard F.
Shepperd John W.
Shoup Guy W.
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