US 12,460,891 B2
Bow cam having unique cable journals
Donald Wasilewski, Lake Point, UT (US); Brandon Vantassell, Lake Point, UT (US); Cameron Cox, Lake Point, UT (US); and David Barnett, Tarpon Springs, FL (US)
Assigned to DAVID A. BARNETT + BARNETT OUTDOORS, LLC, Tarpon Springs, FL (US)
Filed by Donald Wasilewski, Lake Point, UT (US); Brandon Vantassell, Lake Point, UT (US); Cameron Cox, Lake Point, UT (US); and David Barnett, Tarpon Springs, FL (US)
Filed on Jun. 16, 2023, as Appl. No. 18/210,744.
Prior Publication US 2024/0418472 A1, Dec. 19, 2024
Int. Cl. F41B 5/12 (2006.01); F41B 5/10 (2006.01)
CPC F41B 5/123 (2013.01) [F41B 5/105 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A crossbow comprising:
first and second flexible bow limbs coupled to a riser;
a first cam C1 coupled to the first bow limb and rotatable around a first axis, the first cam C1 comprising a center draw string journal C1-J3, a first upper C1-J2 and a second upper C1-J1 segmented cable journals and a first lower C1-J4 and a second lower C1-J5 segmented cable journals, a centerline of each of said C1-J1, C1-J2, C1-J3, C1-J4 and C1-J5 segmented cable journals are parallel to each other;
a second cam C2 coupled to the second bow limb and rotatable around a second axis, the second cam C2 comprising a center draw string journal C2-J3, a first upper C2-J2 and a second upper C2-J1 segmented cable journals and a first lower C2-J4 and a second lower C2-J5 segmented cable journals, a centerline of each of said C2-J1, C2-J2, C2-J3, C2-J4 and C2-J5 segmented cable journals are parallel to each other, wherein C1 and C2 J2 and C1 and C2 J4 segmented cable journals and C1 and C2 J1 and C1 and C2 J5 segmented cable journals are non-continuous around a circumference of a first cam hub and a second cam hub;
a bow harness including a bow string and a first power cable and a second power cable, the bow string received in the center draw string journals and bow string ends secured to the first and second cams C1, C2; and
the first and second power cables receivable in first and second cam cable journals, wherein as the bow string is being drawn from a released configuration to a drawn configuration, the bow string unwinds from C1-J3 and C2-J3 center draw string journals as simultaneously the first and second power cables wrap onto C1-J2/J4 and C2-J2/J4 segmented cable journals then exit said segmented cable journals the first and second power cables are received by and wrap onto C1-J1/J5 and C2-J1/J5 segmented cable journals.