Telescopic linear actuator

A linear actuator includes a power nut assembly and drive motor which can be secured to one end of an intermediate leg for rotating a pair of threaded shafts extending in opposite directions as the motor is actuated. One of the drive shafts is coupled to a drive tube secured to the innermost leg and...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	ZIMMERMAN DEAN A
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CABINETS COFFEE MILLS DESKS DOMESTIC ARTICLES OR APPLIANCES DRAWERS ENGINEERING ELEMENTS AND UNITS FURNITURE GEARING GENERAL DETAILS OF FURNITURE GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HUMAN NECESSITIES LIGHTING MECHANICAL ENGINEERING OFFICE FURNITURE SPICE MILLS SUCTION CLEANERS IN GENERAL TABLES THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A linear actuator includes a power nut assembly and drive motor which can be secured to one end of an intermediate leg for rotating a pair of threaded shafts extending in opposite directions as the motor is actuated. One of the drive shafts is coupled to a drive tube secured to the innermost leg and extends and retracts the innermost leg from the intermediate leg. The remaining threaded drive shaft extends and retracts from the power nut assembly and is coupled to the outermost leg for extending and retracting the outermost leg with respect to the intermediate leg.