Igniter with safety lock

Details Igniter with safety lock Igniter with safety lock

2006-04-18

2006-04-18

Gravini, S. (Department: 3749)

Combustion

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

Reexamination Certificate

active

07029270

ABSTRACT:
An igniter (or lighter) having a safety lock includes a housing; a gas supply in the housing and having an outlet valve; a combustion nozzle fluid connected to the outlet valve; a conventional igniter for igniting gas at the outlet nozzle; a finger-operable slider for opening the outlet valve and activating the igniter to ignite the gas when the slider is moved from its rest position; a finger-operable thumbwheel having a lock position for blocking movement of the slider from the rest position, and a spring biasing the thumbwheel to the lock position, wherein movement of the thumbwheel from the lock position is by finger operation in a direction opposite to finger operation of the first movable member from the rest position.

REFERENCES:
patent: 2791110 (1957-05-01), Gellman
patent: 6318992 (2001-11-01), Sung
patent: 6386860 (2002-05-01), Adams et al.
patent: 6431853 (2002-08-01), Sher
patent: 6533575 (2003-03-01), Man
patent: 6666679 (2003-12-01), Ye
patent: 2002/0115031 (2002-08-01), Chen

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