Patent ID: 7165969

Claim:
A lighter, comprising: a casing having a liquefied gas cavity; a gas emitting valve having a nozzle upwardly extended above a ceiling of said casing and communicating with said liquefied gas cavity; an actuating lever pivotally mounted on said casing to actuate said gas emitting valve for releasing gas within said liquefied gas cavity; a supporting frame comprising a U-shaped frame body having two supporting walls parallely extended on top of said casing that said nozzle is upwardly extended between said two supporting walls, said supporting frame further having a flint chamber provided between said two supporting walls; an ignition unit, which is supported by said supporting frame, comprising: a flint having a bottom portion received in said flint chamber and being supported by a resilient element; a striker wheel, having a circumferential coarse striking surface in contact with said flint, being rotatably mounted between said two supporting walls; and two driving wheels, each having a diameter larger than that of said striker wheel, mounted at two outer sides of said striker wheel respectively in such a manner that when said two driving wheels rotate, said striker wheel is driven to rotate and strike against the flint to generate sparks directed toward said nozzle of the gas emitting valve; and means for detachably mounting said supporting frame on said ceiling of said casing, wherein said supporting frame is detached from said casing to only replace said ignition unit once said flint is used up.