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OwnerRoland Sommerinventor
Estimating the term…
Sports equipment for ball games comprising a stroke portion and a shaft portion including a grip, in particular a tennis racket or a golf club, wherein mass particles are integrated into the equipment structure which are freely displaceable or freely movable thereto and which are provided in one or a plurality of chambers the volume of each of said chambers being small relative to the interior volume of the stroke and/or the shaft portion. The stroke characteristics of the sports equipment can be varied depending from the distribution of the chambers within the structure and/or from the amount of the mass particles used. Stroke shocks are attenuated with the result that occurrence of "tennis elbow" is diminished. Indicated is also a method for the manufacture of a tennis racket having high shock absorption and good oscillation attenuation properties and being manufactured in fiber-plastics-structure techniques.
A golf club having a ball contact portion and a shaft including a handle portion, comprising at least one chamber filled with one of silicone foam and jelly-like plastic material and arranged in said ball contact portion;
A golf club comprising a head portion including a plurality of chambers, the volume of each said chamber being substantially smaller than the volume of the golf club head portion, a major portion of each said chamber being filled with unelastic mass particles and a smaller portion of each said chamber being void, the unelastic mass particles being displaced within the chamber during a swing of the golf club, said chambers being near a bottom of the head portion and being affixed to a strip.
A golf club comprising a head portion including a plurality of chambers, the volume of each said chamber being substantially smaller than the volume of the golf club head portion, said chambers being within a carrier belt having a main plane located within the head and along a bottom surface of the head, a major portion of each chamber being filled with unelastic mass particles and a smaller portion of each said chamber being void, the unelastic mass particles being displaced within the chamber during a swing of the golf club, said chambers being near a bottom of the head portion.
Dependencies are inferred from the claim text.