Fuel gas press control device of a gas torch

Details Fuel gas press control device of a gas torch Fuel gas press control device of a gas torch

1996-08-01

1997-04-15

Yeung, James C.

Combustion

Flame holder and fuel tank assembly

126407, 126414, F23D 1428

Patent

active

056203187

ABSTRACT:
A fuel gas press control device of a gas torch, including a switch mounted on the shell of the gas torch and moved between a circular hole and a sliding slot, a retaining knob mounted in a hole in the switch, a pressure rod fastened to the switch and forced by it to press on the gas lever of a butane well, and a spring mounted around the retaining knob and stopped between a collar of the retaining knob and a horizontal projecting plate of the switch, the spring forcing the collar of the retaining knob into the circular hole of the shell to lock the switch is the operative position when the switch is moved to the circular hole of the shell to force the pressure rod into engagement with the gas lever of the butane well.

REFERENCES:
patent: 4315732 (1982-02-01), Rowbottam et al.
patent: 4419072 (1983-12-01), Nakagawa
patent: 4502465 (1985-03-01), Yoshinaga et al.
patent: 4699123 (1987-10-01), Zaborowski
patent: 5304060 (1994-04-01), Lin
patent: 5466149 (1995-11-01), Tsai
patent: 5564918 (1996-10-01), Lin
patent: 5573393 (1996-11-01), Tsai

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