Mechanical guns and projectors – Spring – Bow
Patent
1996-07-12
1997-07-29
Ricci, John A.
Mechanical guns and projectors
Spring
Bow
124 256, 124 88, F41B 500
Patent
active
056513542
ABSTRACT:
A twin limb bow with adjustable twin limbs and a rotatably mounted hand grip. More specifically, the invention is a compound bow that has a pair of rotatable bow limbs which are rotated when the bowstring is pulled and thereby force a pair of cantilever members to bend and store energy that can be used to project an arrow. The amount of energy stored in the cantilever members and the tension in the bowstring can be varied by adjusting the rest position of the cantilever member. In addition, the twin limb bow of the present invention has means provided which both prevent overdrawing of the bow and offer an infinitely variable let-off. The present invention also includes a forwardly mounted hand grip assembly with a rotatably mounted hand grip which can be slid forward or backward in relation to the bow to create a variety of different draw lengths. The hand grip allows rotation about two axes which prevents torque from being placed on the bow during cocking, thereby preventing a distortion in shooting accuracy. The two bow limbs are synchronized by a timing cable which runs through a channel in the frame of the riser.
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Litman Richard C.
Ricci John A.
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