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Center-pivot limbs for an archery bow

  • US 7,832,387 B1
  • Filed: 10/23/2007
  • Issued: 11/16/2010
  • Est. Priority Date: 11/01/2006
  • Status: Active Grant
First Claim
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1. An archery bow comprising:

  • an elongated riser having a central handle portion, first and second proximal pivotable connection points arranged along the riser with the handle portion therebetween, and first and second distal pivotable connection points arranged along the riser with the handle portion and the proximal connection points therebetween;

    a first substantially rigid coupling member having first and second pivotable connection points, the first coupling member being pivotably connected at its first pivotable connection point to the riser at the first proximal pivotable connection point of the riser;

    a first elongated bow limb having a riser pivotable connection point, a pulley pivotable connection point, and a coupling member pivotable connection point between the riser and pulley pivotable connection points along the first bow limb, the first bow limb being pivotably connected at its riser pivotable connection point to the riser at the first distal pivotable connection point of the riser and pivotably connected at its coupling member pivotable connection point to the first coupling member at the second pivotable connection point of the first coupling member, the first bow limb being adapted at its pulley pivotable connection point to receive a pulley member pivotably connected thereto;

    a second substantially rigid coupling member having first and second pivotable connection points, the second coupling member being pivotably connected at its first pivotable connection point to the riser at the second proximal pivotable connection point of the riser; and

    a second elongated bow limb having a riser pivotable connection point, a pulley pivotable connection point, and a coupling member pivotable connection point between the riser and pulley pivotable connection points along the second bow limb, the second bow limb being pivotably connected at its riser pivotable connection point to the riser at the second distal pivotable connection point of the riser and pivotably connected at its coupling member pivotable connection point to the second coupling member at the second pivotable connection point of the second coupling member, the second bow limb being adapted at its pulley pivotable connection point to receive a pulley member pivotably connected thereto,wherein;

    the coupling member pivotable connection point of the first bow limb is positioned within about the middle third of the length along the first bow limb between its riser pivotable connection point and its pulley pivotable connection point; and

    the coupling member pivotable connection point of the second bow limb is positioned within about the middle third of the length along the second bow limb between its riser pivotable connection point and its pulley pivotable connection point.

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