Childproof lighter

Details Childproof lighter Childproof lighter

1991-12-24

1992-11-24

Price, Carl D.

Combustion

Electrical or mechanical igniter correlated with burner feed

431153, 431277, F23D 1136

Patent

active

051658860

ABSTRACT:
A gas lighter has a rocking lever that is pushed down to open a gas-feed valve and/or fire a spark into a jet of gas emitted by the feed valve. A blocking slide on the housing is displaceable transversely between an outer neutralizing position preventing axial downward depression of the lever service end and an inner retracted freeing position permitting the lever service end to be downwardly depressed so that when the blocking slide is in the neutralizing position the lighter cannot be lit. The blocking slide has an outer service end exposed adjacent the lever service end, an inner end engageable axially between the rocking lever and the housing, and a bendable stem extending between the blocking-slide ends. Biasing structure on the housing continuously urges the blocking slide into the blocking position so that the blocking slide must be retained in the freeing position for actuation of the one control means and lighting of the lighter. Inward displacement of the blocking element is resisted such that if a transverse inward force having no significant axially downward component is exerted on the outer blocking-element end the stem will deform and the inner blocking-element end will not move inward, but if the blocking element is displaced by a force having an axial downward component as well as a transverse inward component, the stem will not deform substantially and will push the inner blocking-element end transversely inward.

REFERENCES:
patent: 4786248 (1988-11-01), Nitta
patent: 4904180 (1990-11-01), Nitta
patent: 5002482 (1991-03-01), Fairbanks et al.
patent: 5090893 (1992-02-01), Floriot
WO90/00239, Jan. 1990, Ansquer.

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