Electricity: electrothermally or thermally actuated switches – Thermally actuated switches – With fusible – combustible or explosive material
Patent
1977-07-21
1979-03-20
Broome, Harold
Electricity: electrothermally or thermally actuated switches
Thermally actuated switches
With fusible, combustible or explosive material
337403, H01H 3776
Patent
active
041456548
ABSTRACT:
A switch device utilizing independently acting biasing members to position a conductor to close a circuit between a pair of leads and maintain such closed circuit until a switch activating member such as a meltable pellet reaches a circuit opening state whereupon further independent biasing action causes the conductor member to assume a circuit open position.
REFERENCES:
patent: 2318607 (1943-05-01), Grant, Jr.
patent: 3291945 (1966-12-01), Merill et al.
patent: 3956725 (1976-05-01), Merill et al.
Alexander Cruzan
Broome Harold
Minnesota Mining and Manufacturing Company
Qualey Terryl K.
Sell Donald M.
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