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Universal nock system

  • US 10,563,963 B2
  • Filed: 03/18/2019
  • Issued: 02/18/2020
  • Est. Priority Date: 08/30/2016
  • Status: Active Grant
First Claim
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1. A nock insert comprising:

  • an axis of elongation defining an axial direction and radial directions;

    a bowstring reception surface adapted to receive an associated bowstring;

    an insert portion adapted for insertion into an associated arrow body;

    a first centering feature comprising a first spring tab having;

    (1) a first end attached to the insert portion; and

    (2) a second free end extending axially from the first end and having a contact surface; and

    a second centering feature comprising a first spring tab having(1) a first end attached to the insert portion; and

    (2) a second free end extending axially from the first end and having a contact surface;

    wherein;

    (1) each radial direction is perpendicular to the axial direction;

    (2) the contact surface of each spring tab is inherently biased outwardly in a radial direction and adapted to be radially deflected upon insertion of the insert portion into the associated arrow body;

    (3) the contact surface of each spring tab is adapted to provide a radial reaction force on, and a corresponding frictional retaining force with, the associated arrow body when operationally engaged therewith;

    (4) the contact surface of the first spring tab of the first centering feature extends in a first axial direction;

    (5) the contact surface of the first spring tab of the second centering feature extends in a second axial direction that is opposite the first axial direction;

    (6) a first radial line that intersects the contact surface of the first centering feature does not intersect the insert portion; and

    (7) a second radial line that intersects the contact surface of the second centering feature does not intersect the insert portion.

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