| 摘要 |
A tensioner for imparting tension to a chain in a closed loop chain drive system of an internal combustion engine is disclosed. The tensioner contains two tensioning devices, one for each strand of chain that traverses between a drive sprocket and at least one driven sprocket. The two tensioning devices are installed on a single bracket which is mounted to the engine housing at a single dampened pivot mount. The pivot mount is positioned equidistant from the mid points along the lengths of each of the chain sliding surfaces of each of the tensioning devices to substantially form an isosceles triangle.
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