Correlated set of golf club heads having vibration damping...

A - Human Necessities – 63 – B

Patent

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Details

A63B 53/04 (2006.01) A63B 53/00 (2006.01) A63B 53/06 (2006.01)

Patent

CA 2204327

A correlated set of iron-type golf club heads, wherein each head in the set employs the same sized vibration damping plaque. Each club head includes a substantially planar blade element having a front striking face for impacting a golf ball, and a rear surface opposite the front striking face. A perimeter weighting element is formed integrally with at least a portion of the outer perimeter of the rear surface and extends substantially rearwardly from the rear surface. The remainder of the rear surface not covered by the perimeter weighting element defines the bottom of an open cavity which is substantially surrounded by an inner peripheral surface of the perimeters weighting element. The area and shape of the remainder of the rear surface that defines the bottom of the open cavity are substantially identical in each club head of the correlated set, thus making it possible to use the same sized and shaped vibration damping plaque in each club head. The invention additionally includes an iron-type golf club head, including a front striking face, a rear surface opposite the front striking face, a toe portion, a heel portion opposite the toe portion, and a top rail surface portion projecting rearwardly from an upper periphery of the front striking face and extending between the toe and heel portions. The hosel is offset and inset, and extends generally upwardly and forwardly only from the heel end portion of the top rail, such that the hosel does not occupy any portion of the front striking face and does not impede contact between the front striking face and a golf ball.

Ensemble de têtes de bâtons de golfs de type fers, dont toutes les têtes sont pourvues de la même plaquette d'amortissement de vibrations. Chaque tête de bâton comporte une lame présentant un profil droit avec portion arrière et portion avant, celle-ci venant en contact avec la balle. Un poids distribué dans la zone périphérique arrière de la lame fait partie intégrante de la tête et forme saillie vers l'arrière. La portion non périphérique de la surface arrière, définie par la paroi intérieure du poids distribué à la périphérie de la lame, présente l'aspect d'une cuvette. La superficie ainsi que la forme du fond de cette cuvette sont presque identiques sur toutes les têtes de l'ensemble, ce qui rend possible l'introduction d'une plaquette d'amortissement de vibrations. L'invention comprend aussi une tête de bâton de type fer, avec une portion face opposée à une portion arrière, une portion pointe opposée à une portion talon, et une portion supérieure correspondant à la périphérie de la lame et faisant saillie vers l'arrière, entre la pointe et le talon. Le col de la tête est déporté obliquement et vers l'intérieur et se prolonge dans l'axe vertical et vers l'avant seulement à partir de la portion supérieure de la lame, de telle sorte que le col n'occupe aucune portion de la face de la tête qui vient en contact avec la balle.

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