Single cam compound bow with interchangeable cams for varying draw length

  • US 5,782,229 A
  • Filed: 02/24/1997
  • Issued: 07/21/1998
  • Est. Priority Date: 08/14/1995
  • Status: Expired due to Term
First Claim
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1. A compound bow comprising:

  • (a) a handle;

    (b) opposed upper and lower flexible limbs having inner ends connected to the handle;

    (c) a cam assembly pivotally mounted at an outer end of one of the limbs for rotation about a first axis, the cam assembly having;

    (1) a main sheave(2) a collector sheave parallel to the main sheave; and

    ,(3) a cable sheave between and parallel to the main and collector sheaves, the cable sheave having a removable portion and a non-interchangeable portion, each of the sheaves having a profile;

    (d) a pulley pivotally mounted at an outer end of a second one of the limbs for rotation about a second axis;

    (e) a bowstring having a first segment extending from a first attachment point on the cam assembly, around a peripheral portion of the collector sheave, and around the pulley, and a second segment extending from the pulley, around a peripheral portion of the main sheave to a second attachment point on the cam assembly; and

    (f) a cable extending from an attachment point near the outer end of the second one of the limbs around a peripheral portion of the non-interchangeable portion of the cable sheave to a third attachment point on the cam assembly.

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