Linear actuator with protective guide chassis enclosing the lead screw

A contamination resistant lead screw or ball screw-driven linear actuator has the lead screw and drive nut enclosed within a specially constructed guide chassis. A carriage is slidably mounted on parallel rails attached to the guide chassis. The carriage is attached to the drive nut through a slot i...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LIPSETT ROBERT ALEXANDER, UNG TOM THANG
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A contamination resistant lead screw or ball screw-driven linear actuator has the lead screw and drive nut enclosed within a specially constructed guide chassis. A carriage is slidably mounted on parallel rails attached to the guide chassis. The carriage is attached to the drive nut through a slot in the guide chassis. An enclosure surrounds the guide chassis. The enclosure and the guide chassis create a labyrinth seal that effectively contains internally generated debris and contamination and excludes environmental dirt, debris and contamination.