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Vaneless arrow shaft

  • US 5,971,875 A
  • Filed: 03/31/1998
  • Issued: 10/26/1999
  • Est. Priority Date: 03/31/1998
  • Status: Expired due to Fees
First Claim
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1. A vaneless arrow shaft combination comprising;

  • a hollow cylindrical arrow shaft body having a plurality of dimples circumferentially arranged along its interior surface;

    a cylindrical spinner tube having a plurality of spiral grooves circumferentially arranged along its exterior surface, and a nock at its rear end to engage with the bowstring of a bow;

    the spinner tube adapted to be inserted within the arrow shaft body;

    the spiral grooves on the spinner tube adapted to engage with the dimples on the shaft boby when the spinner tube is inserted into the shaft body;

    whereby when the bowstring is stretched and than released the engagement between the spiral grooves and the dimples impart rotation to the arrow shaft body.

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