Racket frame
AssigneeNippon Gakki Seizo Kabushiki Kaisha
InventorItsushi Nagamoto
Life of this patent
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Abstract
A fiber reinforced plastic racket frame advantageously usable for a tennis racket has a head portion accompanied with at least an elongated, relatively thin metallic protective member, which has cut-outs or meshes in the construction, formed integral with the outer surface layer of the fiber reinforced plastic envelope at the racket frame. Protection by this additional member assures enriched frictional resistance and reduced collapse of the head portion and presence of the meshes or cut-outs provides firm anchoring of the protective member to the envelope outer surface layer.
Claims14
An improved racket frame comprising a generally rounded head portion accompanied by an elongated thin metallic plate formed integrally with a fiber reinforced plastic outer layer of said head portion, said metallic plate including a center extension in the form of first metallic strip means, and elongated branches each also in the form of a respective second metallic strip and extending laterally from and on both sides of said center extension, said center extension being positioned so that its width dimension is substantially normal to the playing faces of said racket and so that it is on the outer side of the curvature of the generally rounded head portion.
Dependencies are inferred from the claim text.