Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – With motor
Patent
1975-08-25
1977-04-26
Broome, Harold
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
With motor
200153SC, 335 73, H01H 326, H01H 328
Patent
active
040204324
ABSTRACT:
A motor assembly for the switch operator mechanism of a high-current low-voltage bolted-pressure load-break switch; the switch operator mechanism includes spring drive means for rapidly driving the movable contact of the switch to its closed and opened positions, a main drive shaft, a drive linkage between the main drive shaft and the spring drive means, and trip means for actuating the spring drive means to open the switch. The motor assembly includes an electric motor, an operating shaft and a first transmission means including a mutilated ratchet element drivingly connecting the motor to the operating shaft. A second transmission means couples the operating shaft to the main drive shaft of the switch-operating mechanism for closing the switch. An electrical circuit is provided for automatically de-energizing the motor during switch closure.
REFERENCES:
patent: 3198906 (1965-08-01), Frink et al.
patent: 3234803 (1966-02-01), Caswell et al.
patent: 3251963 (1966-05-01), Date
patent: 3549843 (1970-12-01), Wilson
Erickson James A.
Erickson John W.
Boltswitch Inc.
Broome Harold
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