Mechanical guns and projectors – Spring – Bow
Reexamination Certificate
1999-08-05
2001-01-30
Ricci, John A. (Department: 3712)
Mechanical guns and projectors
Spring
Bow
Reexamination Certificate
active
06178958
ABSTRACT:
This invention is directed to an archery bow having a swing arm cable guard which is mounted to the side of the archery bow riser. The shape of the cable guard is such that the cable restraining means is located closer to the horizontal axis of the bow. Shims may be placed between the cable guard and the riser to vary the distance between cable guard and riser.
BACKGROUND OF THE INVENTION
Cable guards are utilized in compound archery bows when the cable and bowstring are too closely spaced laterally to permit the free passage of an arrow therebetween. The cable guard separates the cables and bowstring so that the arrow may pass therebetween. One such cable guard is disclosed in U.S. Pat. No. 5,718,213, “Swing Arm Cable Guard”, wherein the applicant is a co-inventor. This patent discloses a cable guard including a support member and a swing arm pivotally connected thereto. A cable retaining means having two bores therein for retaining the cables is pivotally mounted on the swing arm. The angle between the support member and the swing arm is such that when the bow is drawn, the distance between the cables, which are contained in the cable retaining means, and the plane of the bowstring travel, is less than the distance between the cables and the plane of bowstring travel when the bow is at rest. Since the cables are closer to the plane of bowstring travel when the bow is drawn, the cables and bow limbs are less stressed when the bow is drawn. The cable guard retaining means may not be adjusted to change the distance between the cable guard retaining means and bowstring.
Another cable guard is disclosed in application Ser. No. 09/368,823, “Archery Bow Having an Incrementally Adjustable Cable Guard”, assigned the owner of the present application. This application is directed to an incrementally adjustable cable guard retaining means whereby the distance between the cable guard and the bowstring may be as close as practicable while still permitting the free passage of the arrow being shot.
SUMMARY OF THE INVENTION
The present invention is directed to a swing arm cable guard which is rigidly mounted on the side of the archery bow riser. Side mounting of the cable guard reduces tension on the cable guard system to maintain the distance between the cable guard and riser, and vane clearance, when the bow is shot. The cable guard extends outwardly and upwardly from the side of the handle to the horizontal centerline of the bow. The position at which the cables are displaced is further from the limb tips than are, for example, the cables in other bows. By moving the cable displacement away from the limb tips, there is less limb torque and the limbs travel straighter during the draw cycle of the bow. Shims may be provided between the riser and the cable guard to vary the distance between the riser and the cable guard.
It is therefore an object of the present invention to rigidly mount a cable guard on the side of a riser so that the distance between the cable guard and riser is maintained when the bow is shot.
It is a further object of the present invention to provide a cable guard having cable restraining means that are close to the horizontal axis of the bow.
It is a still further object of the present invention to provide shims between the cable restraining means and the riser to permit the distance between the restraining means and riser to be varied.
Other objects and attendance advantages of this invention will be readily appreciated as the same become better understood by references to the following detailed description when considered in connection with the accompanying drawings in which like reference numerals designate like parts throughout the figures thereof.
REFERENCES:
patent: 4377152 (1983-03-01), Saunders
patent: 4452222 (1984-06-01), Quartino et al.
patent: 4542732 (1985-09-01), Troncoso
patent: 5161514 (1992-11-01), Cary
patent: 5178122 (1993-01-01), Simonds
patent: 5331941 (1994-07-01), Schaffer
patent: 5531211 (1996-07-01), Wilfong
patent: 5651355 (1997-07-01), Gallops
patent: 5701880 (1997-12-01), Simonds
patent: 5718213 (1998-02-01), Gallops et al.
Bear Archery Inc.
Ricci John A.
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