Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Patent
1985-12-11
1987-10-27
Bartis, Anthony
Electric heating
Heating devices
Combined with container, enclosure, or support for material...
219348, 219364, 219366, 318282, 318286, 416100, 416110, H05B 102, F04D 2510, F24H 304, H02P 146
Patent
active
047031522
ABSTRACT:
A portable electric heater/fan which can oscillate from side to side over a distance of 45 degrees or 90 degrees or remain stationary and which can also be tilted backward or forward so as to provide a beam of hot or cold air whose lateral extent and direction can be adjusted over two mutually perpendicular axes includes a compartment containing a heater/fan assembly and being slidably mounted for back and forth tilting movement on a neck joint fixed to a main gear carried by a shaft mounted for rotation about a vertical axis on a base. The main gear is coupled by a drive gear to the shaft of a synchronous electric motor mounted on the base. A first and a second set of cooperable limit stops are provided on the base and main gear for limiting the rotation of the main gear by the motor to either 90 degrees for the first set or 45 degrees for the second set. A unitary piano-type switch assembly is provided on the base for selectively electrically energizing the synchronous motor and simultaneously selectively mechanically rendering either the first or second set of stops operative to select the angular distance of oscillation of the compartment containing the heater/fan.
REFERENCES:
patent: 2082506 (1937-06-01), Murphy
patent: 2105514 (1938-01-01), Welch
patent: 2449377 (1948-09-01), Green
patent: 2618434 (1952-11-01), Farnsworth
patent: 2765977 (1956-10-01), Morrison
patent: 3377465 (1968-04-01), Ronk
Bartis Anthony
Holmes Products Corp.
Kriegsman Irving M.
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