Electrical switch construction, switch blade subassembly and met

Details Electrical switch construction, switch blade subassembly and met Electrical switch construction, switch blade subassembly and met

1980-11-26

1982-06-29

Beha, Jr., William H.

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

With bimetallic elements

29622, 337101, H01H 6108

Patent

active

043374514

ABSTRACT:
An electrical switch construction having a housing carrying a thermally cyclable switch blade unit and an adjustable set lever switch blade unit cooperable with the cyclable switch blade unit when the set lever switch blade unit is moved relative to the housing to an operating position thereof by an actuator that is carried by the housing, the housing carrying a calibrating unit for calibrating the set lever switch blade unit. The set lever switch blade unit includes a resilient switch blade having opposed ends and an ambient bimetal lever unit having opposed ends, one of the opposed ends of the switch blade and the ambient bimetal unit being secured together and being the part of the set lever switch blade unit that cooperates with the thermally cyclable switch blade unit. The calibration unit is operatively associated with the other opposed end of the ambient bimetal lever unit to adjust that other opposed end relative to the other opposed end of the switch blade and thereby calibrate the set lever switch blade unit, the other opposed end of the switch blade being secured from movement in the construction.

REFERENCES:
patent: 2623137 (1952-12-01), Vogelsberg
patent: 2749406 (1956-06-01), Clapp
patent: 2813173 (1957-11-01), Risacher et al.
patent: 2840664 (1958-06-01), Anderson et al.
patent: 3110789 (1963-11-01), Hild et al.
patent: 3634802 (1972-01-01), Aldous
patent: 3636490 (1972-01-01), Pansing

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