Abstract: A tennis racquet has an overall length greater than 28 inches, preferably between 29 and 32 inches, an egg shape strung surface having a length of at least 14 inches, and a strung surface area greater than 95 square inches. The frame is of widebody construction and formed of a composite material so as to have a minimum weight per unit length. While the overall length is increased, the strung weight of the racquet does not exceed 300 grams, and the mass moment of inertia about the butt does not exceed 56 g-m.sup.2. The foregoing racquet produces a number of playing advantages, while maintaining a conventional mass moment of inertia about the handle and thus retain good maneuverability.
Abstract: A cushion insole for a shoe comprises a cushion insole member and a separate arch support member which may be secured to the insole member or shoe foundation and which includes an arch support section bearing against the arch of the foot. The arch support member is available in various sizes to conform to the arch of the foot of the individual user, and may be secured to the insole member or shoe foundation at adjustable locations. An appropriate size arch support member and insole member are inserted into the shoe, with the arch support member positioned at the desired location relative to the arch of the foot, whereafter the shoe is worn in the normal manner.
Type:
Grant
Filed:
September 15, 1993
Date of Patent:
March 28, 1995
Assignee:
Prince Sports Group, Inc.
Inventors:
Michael H. Skinner, Sean Mannix, James M. Cormier, Irwin J. Katzmann, II