Electric heating – Heating devices – Tool or instrument
Patent
1974-10-17
1976-08-31
Bartis, A.
Electric heating
Heating devices
Tool or instrument
30140, 1283031, 12830314, 219233, 338150, 338152, 338172, H05B 100, H01C 1026, A61B 1738
Patent
active
039783120
ABSTRACT:
A variable temperature portable cautery includes a housing configured to retain a voltage source, such as a plurality of batteries, and an electrically heated cautery tip carried by the front end of the housing in operative relation with each other. A manually operable switch is provided on the housing to allow selective energization of the cautery tip from the voltage source. A rotatably adjustable variable resistor is mounted on the rear end of the housing and is connected in circuit between the voltage source and heated tip to allow the temperature of the tip to be selectively varied. The movable contact of the switch and the wiper contact of the variable resistor are provided by the respective ends of a common conductor member extending longitudinally in the housing.
REFERENCES:
patent: 300155 (1884-06-01), Starr
patent: 1335181 (1920-03-01), Parkin
patent: 1335987 (1920-04-01), Reid et al.
patent: 1401104 (1921-12-01), Kruesheld et al.
patent: 1693009 (1928-11-01), Warner
patent: 1744720 (1930-01-01), Blackburn
patent: 2172634 (1939-09-01), Axtell
patent: 2308422 (1943-01-01), McAllister
patent: 3234356 (1966-02-01), Babb
patent: 3613682 (1971-10-01), Naylor
patent: 3772127 (1973-11-01), James
Barton Steve
Foltz Carl L.
Glorioso John
Bartis A.
Concept Inc.
Stein Stefan M.
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