Method of manufacturing a solenoid

Details Method of manufacturing a solenoid Method of manufacturing a solenoid

1978-10-16

1980-05-06

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

29525, 29760, H01F 4102

Patent

active

042009723

ABSTRACT:
There is disclosed a solenoid of improved construction and a facile method for its manufacture. The solenoid is intended for use with cyclic voltage supplies and has a fixed-position pole assembly of a pole piece, shading ring and flux ring which is secured in a retaining sleeve. The pole piece has an annular groove which receives an inward, annular bead of the sleeve to retain the assembly. The sleeve is mounted within a solenoid casing within an annular coil and the casing is closed by an end closure plate which bears against the end of the sleeve. The inward annular offset of the sleeve provides a resilient axial compressability of the sleeve permitting facile assembly to precise tolerances.

REFERENCES:
patent: 3134932 (1964-05-01), Ray
patent: 3378732 (1968-04-01), Dietz et al.

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