Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Retarded or delayed type
Patent
1980-09-15
1982-06-01
Gonzales, John
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Retarded or delayed type
335234, 350269, 354250, G03B 910, H01F 714
Patent
active
043324509
ABSTRACT:
Magnetic actuation methods and apparatus provide in an air gap a first magnetic field and a magnet having a second magnetic field at an angle to and interacting with the first magnetic field. A pivot axis for the magnet is located laterally and entirely outside of the air gap, and such magnet is displaced in the air gap with the interacting first and second magnetic fields about the laterally located pivot axis. In practice, the air gap may be provided by a pair of pole pieces and the magnet may be located on a lever extending past the air gap. Such lever may be pivoted about an axis extending through one of the pole pieces. The lever is then displaced with the magnet and the magnetic field in the air gap.
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patent: 2872546 (1959-02-01), Babcock
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patent: 3745495 (1973-07-01), Chai et al.
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Gonzales John
James Dole Corporation
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