Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – With magneto-mechanical motive device
Patent
1986-04-01
1987-07-21
Harris, George
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
With magneto-mechanical motive device
335230, 335274, H01F 708
Patent
active
046821350
ABSTRACT:
An electric actuator comprising a housing, a permanent magnet disposed within the housing, an axially movable armature disposed within the permanent magnet, an actuating coil supported by the housing for driving the armature to axially move, and an axially movable actuating rod fixedly connected to the armature, wherein the electric actuator further comprises a pair of elastic support members having radially inner end portions fixedly connected to the actuating rod and radially outer end portions fixedly connected to the housing, respectively.
REFERENCES:
patent: 2853660 (1958-09-01), Immel
patent: 3994382 (1976-11-01), McIntosh
patent: 4463332 (1984-07-01), Everett
patent: 4563664 (1986-01-01), Chin et al.
Harris George
Teijin Seiki Company Limited
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