Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – With magneto-mechanical motive device
Reexamination Certificate
2008-01-01
2008-01-01
Barrera, Ramon M. (Department: 2832)
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
With magneto-mechanical motive device
C335S261000, C335S262000, C335S263000, C335S270000, C335S273000, C335S274000, C335S279000, C335S281000
Reexamination Certificate
active
10922390
ABSTRACT:
Embodiments of the present invention provide solenoid plungers, solenoid actuators, and solenoid-actuated mechanisms, that provide for an adjustable stroke, adjustable rated force, and adjustable plunger extension that overcome the problems and issues associated with non-adjustable solenoid actuators. In accordance with an embodiment of the present invention, an adjustable solenoid plunger is provided that comprises a stem and an armature including an axial armature bore. The stem engages the armature bore and is adapted for advancement of the armature along at least a portion of the stem.
REFERENCES:
patent: 2262550 (1941-11-01), Hunter
patent: 2419333 (1947-04-01), Christiansen
patent: 4839620 (1989-06-01), Yagi
Barrera Ramon M.
Fordenbacher Esq. Paul J.
Silicon Forest Patent Group, LLC
The Hoffman Group LLC
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