Automatic welding mask shutter lens system

Details Automatic welding mask shutter lens system Automatic welding mask shutter lens system

1977-02-22

1978-08-22

Goldberg, E. A.

Electric heating

Metal heating

Weld rod composition

2 8, B23K 932

Patent

active

041091329

ABSTRACT:
A system for selectively pivoting a welding mask shutter lens either into an opened or closed position so that between welding operation, the work can be observed directly through the lens window opening with the lens pivoted out of the way; the system including an electro-magnet for pivoting the lens out the window opening, and wiring from the electromagnet extending to a pushbutton on a handle of a welding rod holder so to conveniently operate a switch in an electrical circuit with the electromagnet for attracting an iron bar formed on the frame of the lens.

REFERENCES:
patent: 2029977 (1936-02-01), Anderson
patent: 2678369 (1954-05-01), Van Hook
patent: 3432967 (1969-03-01), Simon
patent: 3452253 (1969-06-01), Seidlitz
patent: 3792226 (1974-02-01), Bush
patent: 3855521 (1974-12-01), Kiuchi

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