RACQUET CONFIGURED WITH INCREASED FLEXIBILITY IN MULTIPLE DIRECTIONS WITH RESPECT TO A LONGITUDINAL AXIS

RACQUET CONFIGURED WITH INCREASED FLEXIBILITY IN MULTIPLE DIRECTIONS WITH RESPECT TO A LONGITUDINAL AXIS

A tennis racquet extending along the longitudinal axis and capable of being tested under a forward/rearward bending test and a torsional stability test includes a frame having a head portion, a handle portion, and a throat portion positioned between the head portion and the handle portion. The head...

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Hauptverfasser: Severa, William D, Zwack, Dale J, Kapheim, Robert T, Compostizo, Eloisa M
Format: Patent
Sprache:eng
Schlagworte:
AMUSEMENTS
APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING,CLIMBING, OR FENCING
BALL GAMES
GAMES
HUMAN NECESSITIES
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
SPORTS
TESTING
TRAINING EQUIPMENT
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creator Severa, William D
Zwack, Dale J
Kapheim, Robert T
Compostizo, Eloisa M
description A tennis racquet extending along the longitudinal axis and capable of being tested under a forward/rearward bending test and a torsional stability test includes a frame having a head portion, a handle portion, and a throat portion positioned between the head portion and the handle portion. The head portion forms a hoop that defines a string bed plane. At least the head portion and the throat portion of the racquet are formed at least in part of a fiber composite material. The throat portion includes a pair of throat elements. When the racquet is tested under the forward/rearward bending test, the racquet has a forward/rearward deflection with respect to the longitudinal axis of at least 9.0 mm when measured in a direction that is perpendicular to the string bed plane and perpendicular to the longitudinal axis. When the racquet is tested under the torsional stability test, the racquet has an angular deflection of less than 5.5 degrees about the longitudinal axis.
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subjects AMUSEMENTS
APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING,CLIMBING, OR FENCING
BALL GAMES
GAMES
HUMAN NECESSITIES
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
SPORTS
TESTING
TRAINING EQUIPMENT
title RACQUET CONFIGURED WITH INCREASED FLEXIBILITY IN MULTIPLE DIRECTIONS WITH RESPECT TO A LONGITUDINAL AXIS
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