Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – With magneto-mechanical motive device
Patent
1977-05-31
1978-09-26
Harris, George
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
With magneto-mechanical motive device
335274, 400124, H01F 708
Patent
active
041174356
ABSTRACT:
A flap-armature electromagnet comprises a U-shaped yoke, a pole core, a coil, a flap-armature, a compression spring and a coil spring. The flap-armature is rockingly supported on the yoke by means of projections formed at the upper rear end of the yoke and notches formed at both sides of the flap-armature. Each end of the coil spring is connected to each of the projections for pressing the flap-armature on a rocking axis of the flap-armature.
REFERENCES:
patent: 2913548 (1959-11-01), Martin
patent: 3117255 (1964-01-01), Peterson
Asai Akira
Asai Yuichi
Hishida Yukio
Kondo Toshikatsu
Miyazawa Chiaki
Brother Kogyo Kabushiki Kaisha
Harris George
Oujevolk George B.
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