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Single cam crossbow having level nocking point travel

  • US 6,267,108 B1
  • Filed: 02/11/2000
  • Issued: 07/31/2001
  • Est. Priority Date: 02/11/2000
  • Status: Expired due to Term
First Claim
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1. A crossbow comprising:

  • a mounting portion;

    a first limb supported by the mounting portion;

    a second limb supported by the mounting portion;

    a pulley rotatably mounted upon the first limb for rotation about a first axle, the pulley including a pulley track;

    a cam assembly rotatably mounted upon the second limb for rotation about a second axle, the cam assembly having a primary string payout track, a secondary string payout track, and a take-up track; and

    wherein the ratio of the length of the take-up track to the length of the primary string payout track is less than about 0.4.

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