Quick-acting electric cigar lighter

Electric heating – Heating devices – Resistive element: igniter type

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Details

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.

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