Electric heating – Heating devices – With heater-unit housing – casing – or support means
Patent
1983-12-14
1985-07-09
Mayewsky, Volodymyr Y.
Electric heating
Heating devices
With heater-unit housing, casing, or support means
D13 18, 174175, 174138J, 219536, 219542, 338304, H05B 306
Patent
active
045284415
ABSTRACT:
An electrical resistance heating assembly having specially designed electrical insulators is disclosed. The electrical insulators have arms shaped to retain an electrical resistance heating coil which can be quickly, easily, and reliably mounted on the arms of the insulator. Top parts of the arms are generally rectangular or triangular in cross section and the arms are spaced and configured relative to each other to form a generally T-shaped opening between the arms, with the ends of the cross bar of the T-shaped opening forming electrically resistance heating coil retention surfaces. Also, cuts in side surfaces of the insulators may provide additional coil retention surfaces. The insulators have either an extended base portion for directly mounting the insulators to a mounting bar of the electrical resistance heating assembly or the insulators simply comprise slabs of electrically insulating material which are each mounted on a cross bar which is attached to a mounting bar of the electrical resistance heating assembly.
REFERENCES:
patent: D251260 (1981-10-01), Seeley
patent: D262285 (1981-12-01), Janning
patent: 2856500 (1958-10-01), Hartman
patent: 3134836 (1964-05-01), Malinowski
patent: 3952409 (1976-04-01), Allison et al.
patent: 3992609 (1976-11-01), Alexander
patent: 4250399 (1981-02-01), King
patent: 4268742 (1981-05-01), Cottrell et al.
patent: 4363959 (1982-12-01), Cottrell et al.
Haynes Charles A.
Seal Douglas T.
Carrier Corporation
Kelly Robert H.
Mayewsky Volodymyr Y.
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