Electrical switch

Details Electrical switch Electrical switch

1974-08-20

1977-09-20

Broome, Harold

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

With longitudinally expansible solid element

200 76, 337389, H01H 6101

Patent

active

040500446

ABSTRACT:
An electrical switch comprising a housing, and spring supported in the housing. The spring is made from resilient, flat material and carries a contact at each end thereof, each contact being adapted to engage a respective counter-contact carried by the housing. Two spring tongues are formed on the spring and are supported on support bearings under stress so that a contact can be snapped out of engagement with the corresponding counter-contact upon actuation of an actuating member which engages the spring. Preferably the actuating member is temperature-sensitive or is connected to a temperature-sensitive member so that the switch may be used as a temperature-sensitive switching element, thermal relay or thermostat.

REFERENCES:
patent: 2518255 (1950-08-01), Roesler
patent: 2598856 (1952-06-01), Swan et al.
patent: 2608628 (1952-08-01), Dietrich
patent: 2838645 (1958-06-01), Welch
patent: 3746838 (1973-07-01), Dougmand

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