Activating magnet

Details Activating magnet Activating magnet

1984-04-17

1985-06-04

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

335274, 251138, 251141, H01F 708

Patent

active

045217599

ABSTRACT:
An activating magnet has a magnet housing (1), a pole element (10) arranged at one end of the magnet housing, a magnetic coil (13) surrounding the magnet housing and the pole element, and a magnet armature (3) movably housed in a magnet housing. An activating spring (20), biased between said magnet armature (3) and the pole element, and an activating member (5) are arranged on the side of the magnet armature opposite the pole element. In order to arrange an emergency manual activation on the magnet, a hand bolt (18), particularly a manually activated hand bolt, is provided on the side opposite the activating member. The hand bolt (18) is connected with the magnet armature to make it possible to exert a tensile force on the magnet armature.

REFERENCES:
patent: 1603005 (1926-10-01), Flam
patent: 2955240 (1960-10-01), Gardner
patent: 3805203 (1974-04-01), Deckard
patent: 4399421 (1983-08-01), MacLean

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