Electricity: electrothermally or thermally actuated switches – Thermally actuated switches – With bimetallic element
Patent
1989-11-09
1990-07-17
Broome, H.
Electricity: electrothermally or thermally actuated switches
Thermally actuated switches
With bimetallic element
337335, 337354, H01H 3752
Patent
active
049423819
ABSTRACT:
Driving element (1) comprising a thin part (2) provided with a zone, ductile in the direction of its thickness in such a way as to occupy at least two positions, in at least one of which said zone is arc-shaped, at least one tab (3, 4) fixed at one end to a face of said ductile zone and extending towards the central part of the zone in such a way that, when the zone is molded, the free end (8, 9) of said tab moves away from or towards the face (5) of said thin part, the resulting amplitude of the movement of the free end of the tab being greater than the amplitude of ductility of the thin piece.
REFERENCES:
patent: 4325047 (1982-04-01), Inada et al.
patent: 4499448 (1985-02-01), Grable
Broome H.
Delta Concept S.A.
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