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

Claim 21:
22. A crossbow comprising:
a frame having a projectile axis, wherein a projectile moves along the projectile axis during firing of the crossbow;
a flexible limb having a first end attached to the frame and a second end, wherein the flexible limb is in an unloaded position when the crossbow is undrawn and in a loaded position when the crossbow is drawn;
a cam attached to the frame, the cam having a larger diameter portion and a smaller diameter portion, wherein the larger diameter portion has a larger diameter than the smaller diameter portion;
the cam further having a rotational axis substantially parallel to the projectile axis; a power cable having a first and second end, the first end attached to the smaller
diameter portion and the second end attached to the second end of the limb;
a drawstring having a first and second end, wherein the ends are attached to the larger diameter portion of the cam; and
wherein the drawstring wraps around the larger diameter portions of the cam when the crossbow is undrawn and wherein the power cable wraps around the smaller diameter portion of the cam when the crossbow is in the loaded position.