Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Automatic circuit-interrupting devices
Patent
1995-11-16
1997-06-10
Donovan, Lincoln
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Automatic circuit-interrupting devices
335 35, H01M 7500
Patent
active
056380380
ABSTRACT:
A switch including a breaker, the size and cost of which can be reduced is provided, the switch including a breaker having a structure such that a mechanical switch for turning an electric circuit on/off includes a breaker for interrupting the electric circuit. Moveable contacts arranged to approach and move apart from fixed contacts are elastically urged in a direction where the moveable contacts move apart from the fixed contacts. When the breaker is set, the moveable contacts are located apart from the fixed contacts in such a manner that a short distance is maintained. By switching the mechanical switch on, a solenoid is operated to bring the moveable contacts into contact with the fixed contacts. When the breaker is operated, the elastic urging force is suspended to move the moveable contacts apart from the fixed contacts for a distance longer than a distance for which the moveable contacts are located apart from the fixed contacts when the mechanical switch is switched off.
REFERENCES:
patent: 4714907 (1987-12-01), Bartolo et al.
patent: 5247205 (1993-09-01), Mototani et al.
patent: 5410442 (1995-04-01), Pohl et al.
patent: 5416291 (1995-05-01), Venzke
patent: 5416455 (1995-05-01), Moldovan et al.
patent: 5418343 (1995-05-01), Faber et al.
Sasaki Shinji
Suzuki Kazuo
Alps Electric Co. ,Ltd.
Bever Patrick T.
Donovan Lincoln
Shoup Guy W.
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