Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – With magneto-mechanical motive device
Patent
1978-07-26
1980-10-14
Broome, Harold
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
With magneto-mechanical motive device
335245, 336198, H01F 710
Patent
active
042284155
ABSTRACT:
Disclosed herein is an inexpensive tubular electromagnetic solenoid which employs stamped and drawn parts with a minimum of machined parts. The tubular housing is deep drawn and has a relatively light gauge side wall and an integrally formed end wall with apertures for pin terminals. A stamped flux enhancing disc is anchored exteriorly of the end wall and is swaged to a projecting portion of a pole piece located interiorly of the end wall. The flux disc-pole piece assembly rigidifies the housing end wall and the pole piece supports and positions one end of the bobbin. Stamped washers having axial apertures interfit into the end of the tubular housing and receive and support the other end of the bobbin. The bobbin has integrally molded pin terminal support bosses which project through apertures in the end wall and position and support the terminations.
REFERENCES:
patent: 2111232 (1938-03-01), Wetzel
patent: 2909713 (1959-10-01), Hambor et al.
patent: 2987655 (1961-06-01), McCurdy
patent: 3283275 (1966-11-01), Rider, Jr.
patent: 3546647 (1970-12-01), Roddy et al.
Broome Harold
Fuller Henry C.
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