Manual adjustable tensioning device

Disclosed is a manual adjustable tensioning device. Slope guide slots are formed in the periphery of a lead screw nut, and contacts are provided with slopes having the same angles and placed in the guide slots of the lead screw nut; two ends of a lead screw are respectively supported in threaded hol...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Liu, Weidong, Li, Dengyao, Zhou, Ruixiao, Liu, Xiao, Liu, Minghua, Luo, Fengbao
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:Disclosed is a manual adjustable tensioning device. Slope guide slots are formed in the periphery of a lead screw nut, and contacts are provided with slopes having the same angles and placed in the guide slots of the lead screw nut; two ends of a lead screw are respectively supported in threaded holes of a shell and an end cover; screws are connected to the lead screw nut via threaded holes, the tail end of each screw is in contact with one end of a lever, the other end of the lever is in contact with the slope of the lead screw nut, a roller is mounted at the tail end of the lever, and an extension spring is mounted at the end of the slope of the lead screw nut.