Control mechanism for gas welding guns

Combustion – Flame holder and fuel tank assembly

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Details

431255, 126413, F23D 1428, B23K 302

Patent

active

059159553

ABSTRACT:
A control mechanism for gas welding guns including a control chamber disposed between a solder head at an upper end and a gas tank at a lower end for screwably connecting the solder head and assembly a connecting seat and a gas flow adjusting disk at an upper end of the gas tank. The control chamber is fitted with a control cover which may slidably coupled to a window opening defined by the control chamber and a plurality of shallow depressions on the outer surface of the control chamber. The inner side of the control cover is integrally provided with a clamp plate which is integrally provided with a base with two side hooks. The two facing walls of the window opening of the control chamber are respectively provided with bosses. The bottom end of the control cover is connected to a metal elastic plate for linking-up with a gas release lever, and a support plate disposed near a bottom end of the elastic plate links-up with the piezo-electric element in the control chamber such that when the control cover is pushed upwardly, simultaneous ignition and a steady flame may be achieved.

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patent: 4641632 (1987-02-01), Nakajima
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patent: 5154601 (1992-10-01), Capilla
patent: 5215076 (1993-06-01), Oglesby et al.
patent: 5326256 (1994-07-01), Shike et al.
patent: 5490496 (1996-02-01), Lin
patent: 5620318 (1997-04-01), Tsai
patent: 5771880 (1998-06-01), Tsai
patent: 5771881 (1998-06-01), Oglesby et al.

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