Electricity: magnetically operated switches – magnets – and electr – Permanent magnet-actuated switches – Plural switches
Patent
1977-11-07
1980-04-22
Harris, George
Electricity: magnetically operated switches, magnets, and electr
Permanent magnet-actuated switches
Plural switches
335207, H01H 900
Patent
active
041997417
ABSTRACT:
A rotary switch comprising a stationary body provided with longitudinal bores in each of which a core of magnetic material is movable, switching means located at one end of said bores, and adapted to be actuated by the said cores and magnetic elements adapted to be brought successively opposite the ends of said bores to either displace or hold the said cores in the said bores for actuating the said switching means.
REFERENCES:
patent: 2827531 (1958-03-01), O'Brien
patent: 3277413 (1966-10-01), Kropp et al.
patent: 3597714 (1971-08-01), Brebbia et al.
patent: 3719887 (1973-03-01), Shimizu et al.
patent: 3859612 (1975-01-01), Kashio
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