Limb tip cam pulley for high energy archery bow

  • US 5,040,520 A
  • Filed: 02/25/1988
  • Issued: 08/20/1991
  • Est. Priority Date: 11/01/1982
  • Status: Expired due to Term
First Claim
Patent Images

1. An archery compound bow composite pulley comprising a generally planar noncircular bowstring cam pulley section and a generally planar noncircular take-up string cam pulley section, substantially the entire peripheral profile of said noncircular take-up string pulley section being of a shape different from the shape of the peripheral profile of said noncircular bowstring cam pulley section, and integrating means directly combining said bowstring cam pulley section and said take-up string cam pulley section in parallel side-by-side relationship for forming a unit with substantially the entire peripheries of said pulley sections being out of registration.

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