Childproof disposable lighter

Details Childproof disposable lighter Childproof disposable lighter

2006-09-12

2006-09-12

Cocks, Josiah C. (Department: 3749)

Combustion

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

C431S276000

Reexamination Certificate

active

07104786

ABSTRACT:
An ignition unit for a lighter includes a striker wheel sandwiched between two driving units wherein each of the driving units includes a driven gear element and a driving cap. The striker wheel urges against a flint with its toothed surface of generating sparks. One of the driving caps is normally rotated about the respective driven gear element in a free rotatably movable manner unless a downward force is intentionally applied on the driving cap while rotating the driving cap to drive the respective driven gear element and said striker wheel to rotate for striking against the flint to produce sparks.

REFERENCES:
patent: 5769625 (1998-06-01), Sher
patent: 5882186 (1999-03-01), Kai Man
patent: 5913674 (1999-06-01), Shimizu
patent: 6142768 (2000-11-01), Feng et al.
patent: 6220853 (2001-04-01), Luo
patent: 6352429 (2002-03-01), Sher
patent: WO 98/04869 (1998-02-01), None

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