Electric heating unit support assembly

Electric heating – Heating devices – With heater-unit housing – casing – or support means

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Details

174148, 174138J, 248 68R, 338317, H05B 302

Patent

active

039670945

ABSTRACT:
A pair of strips having spaced cutouts therein are placed in lapping relation so the cutouts form openings to receive insulating bushings having circumferential grooves therearound at least some of the end margins of the intervening webs between the cutouts being retroverted to take the form of barbs which in the assembled relation face corresponding barbs of the other strip.

REFERENCES:
patent: 1307198 (1919-06-01), Harth
patent: 1493386 (1924-05-01), Rice
patent: 1628876 (1927-05-01), Ehrgott
patent: 1751797 (1930-03-01), Dibble
patent: 3812322 (1974-05-01), Osterkorn et al.
patent: 3920887 (1975-11-01), Kloos et al.

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