A - Human Necessities – 63 – B
Patent
A - Human Necessities
63
B
A63B 49/10 (2006.01) B29D 99/00 (2010.01) B29C 70/44 (2006.01) A63B 49/00 (2006.01) A63B 59/00 (2006.01)
Patent
CA 2415247
The invention relates to a shaped body (2), for production of sports equipment, in particular tennis, squash, and badminton rackets, golf clubs, hockey and ice hockey sticks and baseball bats, comprising two tubular resonant bodies (4, 6), running parallel to and at a separation from each other, surrounded by a common shell (12) and a spacer body (8), which is arranged between the resonance bodies (4, 6), in such a way that the resonance bodies (4, 6) are coupled, whereby the mass relationship between each resonance body (4, 6) and the spacer body (8) is greater than 1. The vibrations of the two vibrating systems, in the form of the resonance bodies (4, 6), are overlaid in a advantageous manner, by means of the coupling of the resonance bodies (4, 6). The invention further relates to a method for the production of the shaped body (2).
L'invention concerne un corps profilé (1) servant à produire un article de sport, notamment une raquette de tennis, squash, badminton, une canne de golf, une crosse de hockey sur glace et une batte de base-ball. Ce corps profilé comprend deux corps de résonance (4, 6) tubulaires parallèles, placés à distance l'un de l'autre et entourés par une enveloppe commune (12). Il comprend également un élément d'écartement (8) placé entre les corps de résonance (4, 6) de sorte que ces deux derniers soient accouplés. Le rapport de masse entre chaque corps de résonance (4, 6) et l'élément d'écartement (8) est supérieur à 1. L'accouplement des corps de résonance (4, 6) permet d'effectuer un transfert avantageux des vibrations des deux systèmes vibrants constitués par les corps de résonance (4, 6). L'invention concerne en outre un procédé pour produire le corps profilé (2).
Fetherstonhaugh & Co.
Sommer Roland
LandOfFree
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