Patent ID: 6065959
Filing Date: 2000-05-23
Classification: F23D

Abstract:
A handy gas torch comprising:a fuel container including a hollow fuel cylinder adapted for storing fuel and having a top portion and a bottom portion, a cylinder cover being provided on said bottom portion, said cylinder cover being provided with a filling device and a gas relief device, said top portion being provided with a gas supply device with a fuel gas control device, said gas supply device having a rib plate, said rib plate having an axial post extending laterally therefrom, a receiving groove being provided on a top side of said fuel cylinder at one end with an insert connecting device formed at the other end, said top side being provided with at least two retaining grooves and opposed locking portions;a fuel gas control device, comprising a valve having one end inserted into said gas supply device and being adapted to receive fuel gas transported from said fuel container, the fuel gas control device having a control rod for controlling and adjusting the amount of fuel gas passing through said fuel gas control device and guided into a burning device by a gas output tube;a piezoelectric device including piezoelectric means disposed in said receiving groove and having a lead wire extending therefrom, a press plate having a plurality of bends and a connecting portion being connected with said axial post, a boss on a bottom potion of said press plate being located on said piezoelectric means to be in contact therewith, said press plate further having a press end portion extending outwardly;a securing plate having extension plates extending downwardly therefrom to engage said retaining grooves, a front plate portion having a plate hole, and a through hole through which said fuel gas control device extends;a substantially inverted L-shaped supporting frame connected to said insert connecting device, said supporting frame having a frame groove extending obliquely from a front portion thereof for straddling of said burning device and for passage of said lead wire from said piezoelectric device;a burning device receiving fuel gas from said fuel gas control device and having a connecting duct internally provided with a channel, said channel having a rear end receiving a fuel gas nozzle connected with said gas output tube for introduction of fuel gas, said connecting duct having an outer rear threaded end portion adapted to pass through said plate hole to be locked with a nut, an adjusting knob being disposed between said threaded end portion and a heat dissipating post, said adjusting knob being provided with a knob hole, whereby when said knob hole and an intake hole in said channel are aligned, air enters said channel to mix with the fuel gas, the fuel mixture being ejected from a fire ejecting device connected thereto at a front end of said channel, said lead wire being provided on one side of said fire ejecting device, whereby when said press plate is pressed against said piezoelectric means, sparks are generated between said lead wire and said fire ejecting device to ignite the fuel mixture; anda top cover having cover holes corresponding to said locking portions for passage of screws therethrough to lockably secure said top cover to said locking portions, said top cover being further provided with a top hole, a press recess, and a front hole for extension of said fuel gas control device, said piezoelectric device, and said burner device therethrough, respectively.