Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Magnet structure or material
Patent
1990-09-11
1992-07-07
Picard, Leo P.
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
Magnet structure or material
600 12, H01F 702
Patent
active
051286440
ABSTRACT:
An assembly of annularly shaped, permanent magnets (1) and durable, magnetic conducting metal, annularly shaped, pole pieces (2) stacked on a non-magnetic, durable metal, center rod (3), held by threaded, durable, magnetic conducting metal, rounded, end plates (4) and thread locking adhesive. The magnets 1 being unmagnetized before assembly. Then being magnetized as a whole assembly.
REFERENCES:
patent: 2613246 (1952-10-01), Spodig
patent: 2853075 (1958-09-01), Hoffman et al.
patent: 3005458 (1961-10-01), Brook et al.
patent: 3153177 (1964-10-01), McFadyen
patent: 4283698 (1981-08-01), Fujisawa
patent: 4303062 (1981-12-01), Vars
patent: 4427960 (1984-01-01), Wuerfel
patent: 4749978 (1988-06-01), Imamura
Korka Trinidad
Picard Leo P.
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