Ceramic insulator for supporting a ribbon-type heating element

Details Ceramic insulator for supporting a ribbon-type heating element Ceramic insulator for supporting a ribbon-type heating element

1974-12-18

1976-01-27

Askin, Laramie E.

Electricity: conductors and insulators

Insulators

Special application

219532, 219542, 219548, 338279, 338290, 338317, D26 10, H01B 1756, H05B 302, H05B 332

Patent

active

039353761

ABSTRACT:
A ceramic insulator having sidewalls, a front wall and a back wall with an outwardly extending mounting shoulder at the upper end of the front and back walls; a passageway extending between the sidewalls of the insulator to form an open interior portion within the insulator which receives a ribbon heating element and a slot in the front wall connecting with the open interior portion of the insulator for insertion of a ribbon heating element into the open interior portion; a bearing surface within the open interior portion to support a ribbon heating element; and an elongated radiused rib extending outwardly from each sidewall below the bearing surface to provide curved contact surfaces for a ribbon heating element.

REFERENCES:
patent: 1489843 (1924-04-01), MacInnes
patent: 1715690 (1929-06-01), Ziola
patent: 1853382 (1932-04-01), Smalley
patent: 2162341 (1939-06-01), Adam

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