Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Magnet structure or material
Patent
1979-01-08
1980-11-11
Broome, Harold
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
Magnet structure or material
206444, 206818, H01F 300, H01F 702
Patent
active
042335868
ABSTRACT:
A bottom cover for a disk pack having a magnet assembly secured to the cover bottom wall by an inverted channel. The magnet assembly includes pole pieces made of parallel plates that register with slots in the channel and permanent magnets disposed between the plates and within the channel.
REFERENCES:
patent: 3786386 (1974-01-01), Cardone et al.
patent: 4013169 (1977-03-01), Cheney
patent: 4071862 (1978-01-01), Lathrop, Jr. et al.
Butz David E.
Kaplow Roy
Stenfors Alan L.
Broome Harold
Data Packaging Corporation
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