A - Human Necessities – 63 – B
Patent
A - Human Necessities
63
B
A63B 37/00 (2006.01) A63B 37/10 (2006.01) A63B 43/04 (2006.01)
Patent
CA 2468990
A golf ball is provided having a controlled moment of inertia. The golf ball (10) includes a core defining at least one hollow channel (16a-e). At least one movable weight (17) is located within each hollow channel.The end of the hollow channel at the outer edge of the core is closed with a plug (19). The movable weight and plug may each further include a magnet or the hollow channel may include a placement member such as a spring (18) to control the movement of the weight. When the present golf ball is struck, the spin rate forces the weights to move from the interior of the core outwardly towards the outer edge of the core, thereby varying the moment of inertia of the golf ball. The method of manufacturing the present golf ball is also provided.
La présente invention concerne une balle de golf à moment d'inertie contrôlé. Cette balle de golf comporte un noyau définissant au moins un canal creux (16a-e) dont chacun renferme au moins une masselotte (17). L'extrémité extérieure du canal creux est fermée par un bouchon (19). La masselotte et le bouchon peuvent également comporter un aimant, le canal creux pouvant autrement comporter un organe de mise en place tel qu'un ressort (18) servant à contrôler le déplacement de la masselotte. Lorsqu'on frappe la balle de golf de l'invention, la vitesse de rotation propre provoque le déplacement centrifuge des masselottes, ce qui modifie le moment d'inertie de la balle. L'invention concerne également le procédé de fabrication de cette balle de golf.
Binette Mark L.
Nesbitt R. Dennis
Veilleux Thomas A.
Callaway Golf Company
Macrae & Co.
LandOfFree
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