Solenoid with a mechanical locking linkage

Details Solenoid with a mechanical locking linkage Solenoid with a mechanical locking linkage

1987-01-02

1988-09-13

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

335169, H01F 708

Patent

active

047712554

ABSTRACT:
A solenoid device is provided which includes a bobbin having an armature bore through its center; a plunger partially extending into the bore and serving as an armature of the solenoid; and a coil wound around the bobbin for generating magnetic flux to move the plunger axially in the bore. The plunger includes a first segment which moves axially in the bore of the bobbin in response to magnetic flux generated by the coil. The plunger also includes a second segment which serves as the latching device for the locking mechanism. Finally, the plunger includes a linkage connecting the first and second segments together and mounting devices for mounting the linkage to the first and second segments. This linkage pivots in response to a compressive force applied to the plunger and engages a stop disposed proximate the plunger, preventing the second segment from moving out of a latching position.

REFERENCES:
patent: 2149059 (1938-05-01), Leon
patent: 2448959 (1948-09-01), Conlan
patent: 2845804 (1958-08-01), Lambert
patent: 3307131 (1967-02-01), Hook et al.
patent: 3792391 (1974-02-01), Ewing

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