| 摘要 |
A lighting device comprises a valve mechanism for opening and closing a path, through which a gas is supplied from a gas tank to a jetting nozzle, a piezo-electric unit for generating a discharge voltage for lighting the gas, and an operation member, which can slide and drives the valve mechanism and the piezo-electric unit in order to carry out a lighting operation. A locking member capable of moving between a position for locking and a position for lock release works such that, when the locking member is set at the position for the locking, the locking member may lock the lighting operation of the operation member, and such that, when the locking member is set at the position for the lock release, the locking member may allow a single lighting operation of the operation member. A restraining member allows successive lighting operations of the operation member when the locking member is moved to the position for the lock release.
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