Patent ID: 6196833
Filing Date: 2001-03-06
Classification: F23D

Abstract:
An active safety switch for a gas burner, comprising:a hand grip;a top strap connected to a top edge of said hand grip;a safety switch connected to a rear end of said top strap;a trigger connected to said hand grip, said trigger being located at a front lower end of said top strap, said trigger being adapted to open and close a valve located underneath said top strap;a piezoelectric element connected to said hand grip, said piezoelectric element being located between said valve and said hand grip;said top strap comprising a switch slide channel formed at one end thereof, said switch slide channel including a protrusion block located at an inner upper edge thereof;said safety switch being located in said switch slide channel of said top strap and said top strap further comprising a driving block and a pressing block secured to said driving block, with the proviso that a protrusion rod is connected to said pressing block wherein said protrusion rod penetrates through and projects over a through hole of said driving block;said driving block comprising an end face which has an extension arm extending therefrom wherein said extension arm includes an end face with a protrusion rod protruding therefrom, said protrusion rod of said extension arm being sleeve-jointed with a resilient body;said pressing block comprising two lateral faces wherein a stop portion extends along both of said lateral faces to prop said protrusion block of said top strap and a stop block protrudes from one of said lateral faces of said pressing block;a lower end of said trigger comprises a pressing portion wherein a top edge of said pressing portion includes a first lateral face with a positioning groove formed therein and a second lateral face with a prop-and-tug portion formed thereon, said prop-and-tug portion including a top edge from which an extension piece extends to engage said stop block of said pressing block.