Switch safety device for a gas torch

Details Switch safety device for a gas torch Switch safety device for a gas torch

2000-03-13

2001-01-09

Yeung, James C. (Department: 3743)

Combustion

Correlation of fuel or power supply with component movements...

C431S255000, C431S344000

Reexamination Certificate

active

06171099

ABSTRACT:

FIELD OF THE INVENTION
The present invention relates to a switch safety device for a gas torch. The pressing member of the switch has to be pulled before being pressed so as to prevent from unintentionally operation.
BACKGROUND OF THE INVENTION
A conventional gas torch generally includes a handle with a switch connected to a top of the handle and a nozzle connected from a front end of the handle. A tank or the like is received in the handle for liquid gas received in the tank. An ignition device and a release lever for releasing gas from the tank are respectively connected to the switch so that when pushing a pressing member of the switch, the ignition device is actuated to generate a spark and the gas is release and blows out from the nuzzle. Although the switch is simple and easily to operate, there is no safety device to avoid unintentionally operation of the switch. In other words, anyone including a kid could operate the switch to let the gas be ignited and blow.
The present invention intends to provide a safety device for a gas torch and the pressing member of the switch has to be pulled toward the user then the pressing member can be pushed downward to ignite the ignition device.
SUMMARY OF THE INVENTION
In accordance with one aspect of the present invention, there is provided a gas torch and comprising a handle having a nozzle extending from a front surface of the handle and a tank and a valve device are received in the handle. A notch is defined in a rear top corner of the handle and has at least one shoulder extending inward from one of two inside of the notch. A frame is movably inserted into the notch and mounted to the ignition device. The frame has two side walls with a rear wall connected between the two side walls, a top board is mounted to a top of the frame. The lever of the valve device is connected to the frame. A pressing member is slidably engaged with the top board and a front end of the pressing member is slidably inserted in the notch of the handle. One of two sides of the pressing member is slidably supported on the at least one shoulder.
The object of the present invention is to provide safety device for a gas torch and the pressing member of the safety device cannot pushed except the front end of the pressing member is moved from a notch in the handle of the gas torch.
These and further objects, features and advantages of the present invention will become more obvious from the following description when taken in connection with the accompanying drawings which show, for purposes of illustration only, several embodiments in accordance with the present invention.


REFERENCES:
patent: 5800155 (1998-09-01), Miyanaga
patent: 5839892 (1998-11-01), Hwang
patent: 5885069 (1999-03-01), Rogelet
patent: 5885070 (1999-03-01), Lin
patent: 5921768 (1999-07-01), Joncg

Affiliated with

Also associated with

Rating

Switch safety device for a gas torch does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Switch safety device for a gas torch, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Switch safety device for a gas torch will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2510021