Safety lighter with pivotable actuating member

Details Safety lighter with pivotable actuating member Safety lighter with pivotable actuating member

1991-09-25

1992-12-15

Yeung, James C.

Combustion

Correlation of fuel or power supply with component movements...

431255, F23D 1136

Patent

active

051711435

ABSTRACT:
A safety lighter includes a fuel supply chamber which holds a supply of ignitable gas, a fuel supply nozzle/valve arrangement which supplies the ignitable gas from the chamber to an ignition location; a piezoelectric assembly for generating an electric spark; a wire electrode for supplying the electric spark to the ignition location; a spring-loaded plunger for actuating the piezoelectric element upon depression thereof; an actuating button for depressing the plunger to supply the electric spark to the ignition location; a pivot pin mounted to the actuating button to permit rotation of the actuating button about an axis thereof between an inoperable position at which the button cannot actuate the piezoelectric element and an operable position at which the button can actuate the piezoelectric element; an elongated slot in the housing for guiding the pivot pin and actuating button in a reciprocable manner between an inactive position at which the actuating button does not actuate the piezoelectric element and an active position at which the actuating button actuates the piezoelectric element to ignite the gas at the ignition location, only when the actuating button is pivoted to the operable position; a coil spring which biases the plunger into engagement with the actuating button to bias the actuating button to the inactive position when the actuating button is in the operable position; and the actuating button being exposed at all times when the actuating button is in the inoperable and the operable positions to permit manual pivotal movement therebetween.

REFERENCES:
patent: 3466135 (1969-09-01), Rabe
patent: 3724993 (1973-04-01), Goto
patent: 3734680 (1973-05-01), Maruyama
patent: 3764256 (1973-10-01), Moriya
patent: 3824064 (1974-07-01), Chevallier
patent: 3898031 (1975-08-01), Rusakowicz
patent: 4179260 (1979-12-01), Lowenthal
patent: 4487570 (1984-12-01), Lowenthal
patent: 4859172 (1989-08-01), Nitta
patent: 4904180 (1990-02-01), Nitta
patent: 4921420 (1990-05-01), Johnston

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