Patent ID: 6296476
Filing Date: 2001-10-02
Classification: F23D

Abstract:
A gas burner safety control mechanism comprising:a housing formed of a left shell and a right shell, said housing having a top chamber, a keyway slot and a retaining slot disposed on two opposite lateral sides;a slide button mounted in the top chamber, said slide button having a bottom chamber holding a piezoelectric device in the top chamber of said housing, and a bottom rod; anda stop device mounted in said housing, said stop device comprised of a slide longitudinally slidably mounted in said housing, a control button, a locating rod, and a follower plate, said slide comprising a front rod forwardly extended from a front side, a first spring mounted on said front rod and stopped against an inside wall of said housing, a top hole disposed at a top side, a second spring mounted in said top hole, a bottom barrel downwardly extended from a bottom side, a third spring mounted in said bottom barrel, a top protruded block stopped against the bottom rod of said slide button, a notched rear coupling portion disposed at a rear side and coupled to a gas valve of a fuel tank, and a vertical mounting hole through top and bottom sides, said follower plate and said slide being fastened together and disposed at sides of said keyway slot of said housing, said follower plate comprising a stepped through hole, said control button being mounted in the stepped through hole and connected to the second spring of said slide, said locating rod having a top extension connected to the third spring of said slide and a bottom extension inserted into the retaining lot of said housing;wherein said locating rod is disengaged from said retaining slot when pressed down, enabling said slide to be pushed forwards to trigger said piezoelectric device and to pull open the gas valve of said fuel tank, and said slide is locked when releasing said slide button and pressing said control button to force said control button into engagement with a part of said keyway slot after said piezoelectric device has been triggered and the gas valve of said fuel tank has been opened.