Pivot arm tensioner with sliding ratchet mechanism
Patent No. 8,025,599
Issued: September 27, 2011
Inventors: Chekansky; Jason W. (Auburn, NY)
An engine chain or belt tensioning system includes a tensioner pivot arm with a ratcheting means that includes backlash in an engine timing system. The tensioner system includes a tensioner pivot arm having a fixed pin, radially projecting ratchet teeth, a tensioner pivot arm biasing device, and a ratchet mechanism that engages the radially projecting ratchet teeth. The ratchet mechanism is oriented such that the tensioner pivot arm freely rotates in one direction, but backdrive is limited in the opposite direction.
Reference to Related Applications
This application claims one or more inventions which were disclosed in Provisional Application No. 60/862,780, filed Oct. 25, 2006, entitled "PIVOT ARM TENSIONER WITH SLIDING RATCHET MECHANISM". The benefit under 35 USC .sctn.119(e) of the United States provisional application is hereby claimed, and the aforementioned application is hereby incorporated herein by reference.
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