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John D Evans, Scott Phillips: Single cam compound bow with interchangeable cams for varying draw length. Oyen Wiggs Green & Mutala, July 21, 1998: US05782229 (39 worldwide citation)

A cam assembly for a single cam bow provides replaceable cable sheaves. By selecting different cable sheaves the draw length of the bow may be altered while the bow is strung. The draw length can be further fine tuned by providing differentially spaced positions for attaching either end of the bow s ...


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Evans John D, Phillips Scott: Arc a came avec cames interchangeables pour tensions diverses, Single cam compound bow with interchangeable cams for varying draw length. Evans John D, Evco Technology & Development Company, OYEN WIGGS GREEN & MUTALA, August 7, 2001: CA2183305 (8 worldwide citation)

A cam assembly for a single cam bow provides replaceable cable sheaves. By selecting different cable sheaves the draw length of the bow may be altered while the bow is strung. The draw length can be further fine tuned by providing differentially spaced positions for attaching either end of the bow s ...