Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Step-by-step type (e.g. – closure responsive to predetermined...
Patent
1983-04-04
1984-10-09
Hartary, Joseph W.
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Step-by-step type (e.g., closure responsive to predetermined...
335125, 310 49R, 310156, 200 67F, 200 1R, H01H 900
Patent
active
044764499
ABSTRACT:
An actuator for selectively actuating a circular array of electric switches. The actuator includes a molded plastic rotor part that contains particles of magnetic material. One portion of the rotor is magnetized to provide a permanent magnet that is effective to attract a switch actuating arm that is pivoted to the rotor. Another tubular portion of the rotor is magnetized to provide the rotor of an electric stepper motor. The stepper motor rotates the rotor to various positions. The arm can be attracted by an electromagnet and pivoted to a position in which it operates one of the circular array of switches.
REFERENCES:
patent: 3127602 (1964-03-01), Russo et al.
patent: 3842148 (1974-10-01), Loubier
patent: 3872334 (1975-03-01), Loubier
patent: 4403121 (1983-09-01), Huntzinger et al.
Davis Ronald G.
Gray Ronald N.
Andrews George
General Motors Corporation
Hartary Joseph W.
Meland C. R.
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