Cooper Legal Group, LLC
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 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.
CITIC Dicastal CO., LTD.
F F
F16B F16B
inventional inventional
Dengyao Ruixiao Fengbao Weidong Xiao Minghua
Li Zhou Luo Liu Liu Liu