Solenoid assembly

Details Solenoid assembly Solenoid assembly

1989-02-21

1989-11-21

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

335278, 25112915, H01F 708

Patent

active

048825581

ABSTRACT:
A solenoid assembly includes a coil bobbin having a pair of hooks extending in the longitudinal direction of the bobbin from a flange formed on one end of the bobbin and projecting radially outwardly from the axis of the bobbin at the ends thereof. A magnetic yoke having openings for receiving the hooks and a grommet having a base portion in contact with the magnetic yoke are seucred together by the hooks. The grommet has a neck portion extending in the axial direction of a magnetic core and a central opening for a lead wire to a coil on the bobbin. The magnetic yoke is fixed to one end of the magnetic core which is located in a central opening formed in the coil bobbin. A plastic casing is then molded about the entire assembly.

REFERENCES:
patent: 4233584 (1980-11-01), Fussner
patent: 4326696 (1982-04-01), Ishikawa et al.
patent: 4405912 (1983-09-01), Palua et al.
patent: 4515345 (1985-05-01), Inden et al.

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