Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – With magneto-mechanical motive device
Patent
1984-05-31
1985-07-09
Harris, George
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
With magneto-mechanical motive device
335263, H01F 708
Patent
active
045285349
ABSTRACT:
A solenoid is provided having a simplified construction which minimizes the expense of manufacture and which gives precise, uniform and reliable performance. The solenoid includes a bobbin defining an armature bore and including a collar portion of substantially less axial length than the bore. The collar portion defines a passage of reduced transverse dimension relative to the remainder of the bore. The solenoid's plunger fits closely in the collar portion of the bore and loosely in the remainder of the bore. The collar portion, thus, minimizes the "chatter" or lateral movement of the plunger and the remainder of the bore accommodates any deformations that may occur during manufacture.
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Harris George
Regdon Corporation
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