Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – With magneto-mechanical motive device
Patent
1976-11-03
1978-02-07
Broome, Harold
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
With magneto-mechanical motive device
335248, H01F 716
Patent
active
040729192
ABSTRACT:
A solenoid having reduced noise and jarring characteristics which includes a small shock absorbing sphere of rubber or other elastomeric material freely mounted between the solenoid armature and a stationary core piece of the solenoid so as to be engaged and compressed by the armature at the end of its travel.
REFERENCES:
patent: 1226748 (1917-05-01), Burnham
patent: 3184622 (1965-05-01), Levine
patent: 4010940 (1977-03-01), Freyler
Addmaster Corporation
Broome Harold
Schwend Fred N.
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