Patent ID: 8480502
Filing Date: 2013-07-09
Classification: A63B

Abstract:
1. A method of restricting the rotation of a bowler's hand upon release of a bowling ball while the ball is supported by the bowler's arm having a forearm extending from an elbow to a hand and thumb supporting the bowling ball with the thumb projecting into a thumb hole within the bowling ball, the method comprising the steps of surrounding the bowler's forearm at a position just below the elbow with an elongated adjustable band having an outer surface and forming the sole band surrounding the bowler's arm, extending an elongated non-stretchable flexible strap helically, continuously and completely around the bowler's forearm with the strap having a lower end portion and an upper end portion and a predetermined width, overlapping the outer surface of the band surrounding the bowler's forearm with an inner surface of the upper end portion of the strap, attaching the outer surface of the band and the inner surface of the strap with hook fasteners and loop fasteners to form an adjustable and positive connection of the upper end portion of the strap to the band, attaching a separate non-stretchable flexible loop member to the lower end portion of the strap with the loop member having a width substantially less than the width of the strap, extending the loop member around the bowler's thumb projecting into the thumb hole of the bowling ball, and adjusting the tension in the strap extending completely around the bowler's forearm by adjusting the hook and loop fasteners on the inner surface of the upper end portion of the strap and on the outer surface of the band for restricting the rotation of the hand supporting the bowling ball and the thumb projecting into the thumb hole during movement of the bowling ball with the arm and release of the bowling ball from the hand and thumb.