Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Multiple contact type
Patent
1993-04-23
1994-12-20
Donovan, Lincoln
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Multiple contact type
335257, H01H 6702
Patent
active
053749120
ABSTRACT:
A floating magnet mounted in an electromagnetic switch assembly. The magnet has confronting faces contacted by confronting faces of a movable armature. The movable armature is caused to contact the floating magnet by a magnetic field created when electrical current is applied to a current carrying coil. The magnet has a mounting face opposite its confronting faces. A mounting stem is anchored in the mounting face and extends through an aperture in a mounting base. The stem laterally protrudes to prevent it from pulling through the aperture in the mounting base. The magnet rests on an energy absorbing medium, such as a spring or rubber. The energy absorbing medium is disposed between the mounting face of the magnet and the mounting base. The energy absorbing medium is resilient to provide magnet flotation. Magnet flotation allows the magnet to float to align its confronting faces with those of the armature when the armature is caused to contact the magnet.
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patent: 4720763 (1988-01-01), Bauer
patent: 4988964 (1991-01-01), Streich et al.
Donovan Lincoln
Eaton Corporation
Moran Martin J.
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