Treadmill with dynamic belt tensioning mechanism

A dynamic belt-tensioning apparatus for a treadmill includes a base having a first end and a second end spaced from the first end. A foot-striking platform is movably supported by the base so as to allow for vertical movement of the platform during operation of the treadmill. A drive belt has a fixe...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Wettlaufer, Jr., Edward F, Worobets, Jay T, Stamm, Stacy E, Lewis, Andrew James, Beyer, Jeffrey A, Brothers, Brian R
Format:	Patent
Sprache:	eng
Schlagworte:	AMUSEMENTS APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING,CLIMBING, OR FENCING BALL GAMES BLASTING CONVEYING ENGINEERING ELEMENTS AND UNITS GAMES GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HANDLING THIN OR FILAMENTARY MATERIAL HEATING HUMAN NECESSITIES LIGHTING MECHANICAL ENGINEERING PACKING PERFORMING OPERATIONS PNEUMATIC TUBE CONVEYORS SHOP CONVEYOR SYSTEMS SPORTS STORING THERMAL INSULATION IN GENERAL TRAINING EQUIPMENT TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A dynamic belt-tensioning apparatus for a treadmill includes a base having a first end and a second end spaced from the first end. A foot-striking platform is movably supported by the base so as to allow for vertical movement of the platform during operation of the treadmill. A drive belt has a fixed circumference and is positioned above a top portion of the platform. A drive roller is pivotally mounted adjacent to the first end of the base and engages the drive belt. A bell crank is pivotally coupled to the platform such that pivoting of the bell crank translates into movement of a tensioning roller that is pivotally mounted to the base and that is capable of a range of movement to provide substantially constant tension to the drive belt in response to vertical movement of the platform.