Patent No. 6,689,003
Issued: February 10, 2004
Inventors: Wigsten; Mark MacDonald (Lansing, NY); Scotti; Brian R.
(Freeville, NY); Markley; George L. (Montour Falls, NY)
A limited articulation chain design that prevents or reduces chain jumping at a given amount of chain slack comprises a chain having a plurality of alternating inner and outer links having ends interconnected by pins, wherein the ends of the outer links are partially or substantially squared on the sprocket side, such that the ends of adjacent outer links limit articulation of the links around the pins to a predetermined radius, by interfering with the adjacent outer links at the predetermined radius.
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