Patent ID: 8171940

Claim:
A rotary cutter assembly for a lighter comprising: a lighter body being defined with a receiving groove in an outer periphery thereof, and an inner gas chamber, the receiving groove being provided with at least one pair of oppositely-arranged pivot-pin holding portions on a side thereof, and at least one push pole which is located a distance away from the pair of oppositely-arranged pivot-pin holding portions; at least one rotary plate being rotatably disposed in the receiving groove and provided on one end thereof with a pivot pin to be assembled to the pivot-pin holding portions; and at least one annular cutter being disposed on the rotary plate and provided on one end thereof with a blade portion located opposite a direction corresponding to the push pole, a hollow portion of the annular cutter being provided for insertion of the push pole; the receiving groove is two times as long as the rotary plate, the rotary plate is operated within the receiving groove, the pivot-pin holding portions are disposed in a middle portion of the receiving groove for pivotally connecting the rotary plate.