Electric heating – Heating devices – Resistive element: igniter type
Patent
1979-02-16
1980-11-25
Mayewsky, Volodymyr Y.
Electric heating
Heating devices
Resistive element: igniter type
219264, 219267, F23Q 702
Patent
active
042360617
ABSTRACT:
A quick-acting electric cigar lighter employing a bimetallic disk constituting an electric switching member. The disk is secured in place by a mounting stud, utilizing a welding procedure. The welding does not adversely effect the functioning of the switch due to the provision of a central offset portion in the disk, which tends to relieve stresses on the weld, preventing any failure at that location. The lighter is activated by pushing the igniting unit inward to bring the heating element cup into physical contact with the bimetallic disk. Over-stressing of the bimetallic disk is prevented by mounting the same in a recessed insulating block which has lands that are engaged by the cup after a pre-determined amount of actuation of the plug has occurred. An effective, long-life contact between the cup and the disk is had by the use of special metals which co-act to minimize pitting, deterioration, etc., one metal comprising aluminum which cooperates with other metals such as copper or silver.
REFERENCES:
patent: 2137195 (1938-11-01), Cohen
patent: 2151622 (1939-03-01), Sinko
patent: 2207462 (1940-07-01), Kurtz
patent: 2207601 (1940-07-01), Shakespeare et al.
patent: 2220978 (1940-11-01), Skakespeare et al.
patent: 2503103 (1950-04-01), Eskuchen
patent: 2637799 (1953-05-01), Wood
patent: 3760150 (1973-09-01), Fenn et al.
Fenn Lawrence E.
Sperry Charles R.
Lehmann H. Gibner
Lehmann K. Gibner
Mayewsky Volodymyr Y.
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