Patent ID: 8197365
Filing Date: 2012-06-12
Classification: A63B,Y10T

Abstract:
1. A baseball or softball bat constructed by joining a ball-hitting member made of metal and a grip member made of Fiberglass Reinforced Plastic (FRP), wherein a joining end region of the grip member has, formed integral therewith, an adhering piece bonded to one of an inner peripheral surface and an outer peripheral surface of a joined end region of the ball-hitting member, and a contact piece for contacting the other of the inner peripheral surface and the outer peripheral surface of the joined end region of the ball-hitting member when the adhering piece is in a bonded state; wherein the adhering piece is bonded to the inner peripheral surface of the joined end region of the ball-hitting member; and wherein the joined end region of the ball-hitting member is formed progressively thinner toward a proximal end of the bat to a terminal portion of the joined end region, in such a manner that the inner peripheral surface shifts toward the outer peripheral surface as it extends toward the proximal end of the bat.