ONE-WAY DAMPED OVER-ARM TENSIONER

A tensioner for a power transmitting element in a drive system is disclosed. The tensioner comprises a threaded shaft that includes threading and at least one non-threaded end and defines a pivot axis, an arm rotatable about the pivot axis on the non-threaded end of the threaded shaft, a torsion ele...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	CRIST ROBERT J
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 tensioner for a power transmitting element in a drive system is disclosed. The tensioner comprises a threaded shaft that includes threading and at least one non-threaded end and defines a pivot axis, an arm rotatable about the pivot axis on the non-threaded end of the threaded shaft, a torsion element biasing the arm to rotate about the pivot axis, a threaded nut threadedly connected to the threaded shaft. The threaded nut has a first surface in frictional engagement with the arm and is rotatable about the threading. The threaded nut acts as a one-way limited slip clutch to provide asymmetric damping to the arm and controlled resisting torque in a variable relative proportion compared to the mean torque and returning torque.