A - Human Necessities – 63 – B
Patent
A - Human Necessities
63
B
A63B 49/10 (2006.01) A63B 59/00 (2006.01)
Patent
CA 2057180
A shock-absorbing racket frame made of fiber reinforced plastic material is mainly composed of a head frame and a shaft-handle portion. The racket frame is further provided with a thin plastic tube wrapped around by a first outer layer made of fiber reinforced plastic material and intended to form the head frame and the front segment of the shaft-handle portion. The thin plastic tube is further wrapped around by a second outer layer of fiber reinforced plastic material intended to form the hand grip of the shaft-handle portion.A reinforced surface of fiber reinforced plastic material is disposed across the gap between the two outer layers. The fibers making up the head frame are thus interrupted and disconnected with the fibers making up the hand grip of shaft-handle portion. The transmission of the shock wave from the head frame is therefore effectively interrupted at the position where the break of fibers takes place, thereby resulting in the shock wave being mitigated to an extent that the player's hand holding the racket is not subjected to injury.
Cadre de raquette capable d'absorber les chocs et fabriqué à partir d'un matériau plastique renforcé de fibres et constitué principalement d'une tête et d'un manche. Le cadre comporte de plus un tube de plastique mince entouré d'une première couche extérieure composée d'un matériau plastique renforcé et destinée à former la tête et le coeur du manche. Le tube de plastique mince est entouré d'une deuxième couche extérieure d'un matériau plastique renforcé destinée à former la poignée du manche. Une surface en plastique renforcé occupe l'espace entre les deux couches extérieures. Les fibres constituant la tête sont ainsi interrompues et détachées des fibres constituant la poignée. La transmission des ondes de choc provenant de la tête est ainsi interrompue à l'endroit où se produit la casse des fibres, ce qui amortit les chocs et évite au joueur de se blesser à la main.
Mcfadden Fincham
You Chin-San
LandOfFree
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