Wedge-damped blade tensioner
Patent No. 7,691,018
Issued: April 6, 2010
Inventors: Haesloop; J. Christian (Ithaca, NY), Kuznets; Sam A. (Burdett, NY)
A blade tensioner system for a chain that imparts tension to a chain that drivingly connects to a driven shaft to a drive shaft in an engine. The blade tensioner comprises a blade shoe and mating block. The blade shoe has an arcuately curved chain sliding face, a proximal end portion, and a distal end portion having a pair of tapered sides joined by a bottom and at an angle. The mating block has a channel with a pair of tapered sides joined by a bottom and at a second angle for receiving the distal end portion. When load on the chain increases, the tapered sides of the distal end portion and the bottom contact and wedge with the tapered sides of the channel of the mating block, damping chain vibration.
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