Patent ID: 7600996

Claim:
A safety gas lighter with a loosely mounted striking wheel comprises: a lighter body for containing fuel; a lighter head on top of the lighter body and connected with the lighter body, comprising a gas release valve, and a pair of supporting frames, and a lighter head inner surface defining a lighter head inner cavity; a pressing lever pivotally mounted on the lighter head; a spring located inside the lighter head inner cavity and supported by the lighter head inner surface; a flint located inside the lighter head inner cavity and on top of the spring and supported by the lighter head inner surface; a wheel assembly, comprising a first side wheel, an axle having an axle outer surface, a second side wheel, and a striking wheel having an striking wheel inner surface defining a striking wheel inner opening, wherein the axle, the first side wheel, the second side wheel, the striking wheel, and the striking wheel inner opening are in cylinder shape respectively; wherein the axle comprises a first axle end and a second axle end, and is rotatably mounted on the supporting frames of the lighter head respectively; wherein the first side wheel is mounted to the first axle end, wherein the second side wheel is mounted to the second axle end; wherein the striking wheel is rotatably mounted on the axle between the first side wheel and the second side wheel, wherein the diameter of the striking wheel inner opening is larger the diameter of the axle, wherein the diameter of the striking wheel is smaller than the diameter of the first side wheel and the second side wheel respectively; wherein the rotation of the striking wheel is independent from the rotation of the first side wheel, the second side wheel, and the axle respectively; wherein the striking wheel is in contact with the flint, wherein when the striking wheel rotates, the flint is stroked to generate sparks; wherein when the pressing lever is pressed down, the gas release valve releases fuel gas, wherein the first side wheel is fixed to the first end of the axle, wherein the second side wheel is coupled to the second end of the axle in a rotatable manner.