Patent ID: 8979684
Filing Date: 2015-03-17
Classification: F16H

Abstract:
1. A tensioning system for imparting tension to an endless loop power transferring member encircling a drive sprocket and at least one driven sprocket comprising: at least one tensioning arm, each tensioning arm mounted for movement relative to the endless loop power transferring member and having a shoe with a sliding face; and a mechanical tensioner with one way damping mechanism including a slider assembly having a rigidly fixed slotted body defining a slot with outer ends, a slider body retained in the slot of the fixed slotted body and operably connected to the at least one tensioning arm for driving the at least one tensioning arm in movement relative to the endless loop power transferring member, and a biasing spring engageable between the fixed slotted body and the slider body for urging the slider body in a predetermined direction, the slider body defining pockets between the slider body and side walls defining the slot of the slotted body, a pair of wedges located in the pockets for movement toward the side walls when the slider body moves against the urging of the biasing spring, and a wedge spring urging the wedges toward the side walls of the slotted body.