Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Multiple contact type
Patent
1989-09-05
1991-01-29
Picard, Leo P.
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Multiple contact type
335274, H01H 6702
Patent
active
049889648
ABSTRACT:
In an electromagnetic switchgear with movable contact parts held in a movable contact support and forming, with fixed contact parts, opening and closing contacts, the contact support being elastically connected with the armature in such a way that, with the opening contact welded, an onward movement of the movable magnet part is possible without operation of the closing contact, the yoke of the magnet system is also suspended elastically in its closing direction and this elastic suspension, the elastic connection between the armature and contact support and the elasticity of the movable contact parts are matched to one another in such a way that with the opening contact welded and the magnet system closed, the spring excursions of the armature and yoke are approximately the same.
REFERENCES:
patent: 3409851 (1968-11-01), Scheib, Jr. et al.
patent: 4378542 (1983-03-01), Feil
patent: 4521758 (1985-06-01), Krubsack
Gnahn Gunter
Held Kurt
Streich Georg
Donovan Lincoln
Picard Leo P.
Siemens Aktiengesellschaft
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