Invention Grant
US07708001B2 Bow 有权

  • Patent Title: Bow
  • Patent Title (中):
  • Application No.: US11386653
    Application Date: 2006-03-22
  • Publication No.: US07708001B2
    Publication Date: 2010-05-04
  • Inventor: James J. Kempf
  • Applicant: James J. Kempf
  • Agent Brett Trout
  • Main IPC: F41B5/10
  • IPC: F41B5/10
Bow
Abstract:
A bow having an increased powerstroke allowing for reduced draw weight and increased speed. The bow is provided with a riser and a pair of limbs. A pulley is coupled to one limb and a cam is coupled to the other at a first journal point and second journal point respectively. The powerstroke is increased by locating the bowstring on the pulley and cam between the riser and the journal points.
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