Patent ID: 11946718
Assignee: RAVIN CROSSBOWS, LLC
Field: Other special machines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A crossbow comprising:
a frame having a projectile axis extending between a front and a rear of the crossbow, wherein a projectile moves along the projectile axis during firing of the crossbow;
a first flexible limb and a second flexible limb, each first and second limb having a first end attached to the frame and a second end, wherein the first and second flexible limbs are in an unloaded position when the crossbow is undrawn and in a loaded position when the crossbow is drawn;
a first cam attached at a first frame side, wherein the first cam has a larger diameter portion and a smaller diameter portion, the first cam further including a rotational axis substantially parallel to the projectile axis;
a second cam attached at a second frame side, wherein the second cam has a larger diameter portion and a smaller diameter portion, the second cam further including a rotational axis substantially parallel to the projectile axis;
a first pulley attached at the second end of the first flexible limb;
a second pulley attached at the second end of the second flexible limb;
a first power cable at the first frame side, the first power cable having a first and second end, the first end attached to the smaller diameter portion of the first cam, the second end attached to the second end of the first flexible limb;
a second power cable at the second frame side, the second power cable having a first and second end, the first end attached to the smaller diameter portion of the second cam, the second end attached to the second end of the second flexible limb; and
a drawstring having a first and second end, wherein the first end is attached to the larger diameter portion of the first cam and the second end is attached to the larger diameter portion of the second cam.