Method of making electrical heater construction

Details Method of making electrical heater construction Method of making electrical heater construction

1978-10-11

1980-06-24

Husar, Francis S.

Metal working

Method of mechanical manufacture

Electrical device making

H05B 306

Patent

active

042087856

ABSTRACT:
An electrical heater construction having a frame carrying electrical heaters and a movable drawer-like unit that is adapted to interconnect power source leads to the heaters when the unit is in one position thereof relative to the frame, the frame carrying a movable latch member that is operatively associated with the unit to latch the unit in an out position thereof when the unit is moved out of the one position thereof to the out position to disconnect the power source leads from the heaters whereby the unit cannot be moved in any direction from the out position thereof until the unit is unlatched from the latch member by the latch member being manually moved to an unlatching position thereof.

REFERENCES:
patent: 3435189 (1969-03-01), Manecke
patent: 3548154 (1970-12-01), Christiansson
patent: 3697727 (1972-10-01), Neuman
patent: 3770939 (1973-11-01), Kokjohn
patent: 3912904 (1975-10-01), Phifer
patent: 3912906 (1975-10-01), McIntosh
patent: 4007780 (1977-02-01), Caldwell
patent: 4076975 (1978-02-01), Tyler

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