Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – With magneto-mechanical motive device
Patent
1976-11-15
1979-08-28
Harris, George
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
With magneto-mechanical motive device
335262, 75246, H01F 710
Patent
active
041662628
ABSTRACT:
An alternating current solenoid having a quadrilateral frame and coil wound plastic bobbin disposed therein is encapsulated in a resin block with a pole piece extending into the block and through the frame at one end, and a plunger in a guideway formed by the barrel of the bobbin reciprocates through the other end of the frame and within the guideway.
REFERENCES:
patent: 2482860 (1949-09-01), Miller
patent: 2539285 (1951-01-01), Thompson
patent: 3082359 (1963-03-01), Mangiafico et al.
patent: 3201729 (1965-08-01), Blanchi et al.
patent: 3566323 (1971-02-01), Graf et al.
patent: 3837618 (1974-09-01), Juhel
patent: 4054854 (1977-10-01), Marsden
patent: 4069043 (1978-01-01), Ackermann
Treatise on Power Metallurgy, vol. II, 1950, pp. 283-287, Interscience Publishers, Inc., New York, 1950.
Jencks David C.
Jencks Hollis W.
Detroit Coil Company
Harris George
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