Adjustable trip solenoid

An adjustable solenoid (10) having an enclosure (12) containing a winding (14) through which a current is passed. The winding defines an area and a plunger (16) is positioned at one end of the area with a mechanical biasing mechanism (22) for providing a biasing force to the plunger, the mechanical...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: THOMAS G O'KEEFFE, PAUL DOUGLAS LAFFETY, DAVID ARNOLD
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:An adjustable solenoid (10) having an enclosure (12) containing a winding (14) through which a current is passed. The winding defines an area and a plunger (16) is positioned at one end of the area with a mechanical biasing mechanism (22) for providing a biasing force to the plunger, the mechanical biasing mechanism is secured to the plunger at one end and a support (24) at the other end. A stator (28) having a first threaded (32) portion engaged within the threaded opening (38) of the enclosure causes the stator to travel between a first position and a second position as a rotational force is applied to the stator. The first position is closer to the plunger than the second position, and the stator is in a facially spaced relationship with respect to the plunger and the stator has a second threaded portion (34) for engaging a threaded portion (42) of the support, the second threaded portion of the stator causes the support to travel between a first position and a second position, the second position of the support provides the mechanical biasing mechanism with a greater biasing force than the first position.