Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – With magneto-mechanical motive device
Patent
1978-09-25
1980-07-08
Duggan, Donovan F.
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
With magneto-mechanical motive device
324151A, H01F 708
Patent
active
042119928
ABSTRACT:
A limited rotation motor having means for simultaneously positioning the fixed magnet and moving coil thereof with respect both to each other and a fixed stator. A pair of bridges transversely extend across the front and rear stator faces spanning the central opening defined thereby. A first pair of transversely spaced pins inwardly extend from each of the bridges in such a manner so as to contact opposite surfaces of the magnet in side-to-side contact so as to position the magnet with respect to the stator in first horizontal position. A second pair of pins located transversely between the first pair thereof also longitudinally inwardly extend from the respective rear surfaces of the bridges and contact the open face of a slot disposed in the end faces of the magnet so as to position the magnet in a second, i.e. vertical, direction with respect to the stator.
REFERENCES:
patent: 2725529 (1955-11-01), Bernreuter
patent: 2808567 (1957-10-01), Lederer
patent: 2816255 (1957-12-01), Greif
patent: 2875410 (1959-02-01), Lamb
patent: 3349355 (1967-10-01), Triplett
patent: 3587014 (1971-06-01), Nador
patent: 4134062 (1979-01-01), Pizzuti et al.
Atlan-Tol Industries, Inc.
Duggan Donovan F.
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