Iron golf club head, iron golf club, and iron golf club set

Details Iron golf club head, iron golf club, and iron golf club set Iron golf club head, iron golf club, and iron golf club set

A - Human Necessities

63

B

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

Patent

CA 2339989

An iron golf club head (1) comprising three principal axes of inertia (I1, I2 and I3) passing the gravity center thereof, wherein an angle .theta. between the axis I1 on which a moment of inertia about a principal axis of the inertia among three principal axes of inertia becomes maximum and the normal line vector (101) of a face surface (3f) passing the gravity center thereof is 10~ or more and 90~ or less.

La présente invention concerne une tête de club de golf en fer (1) disposant de trois axes d'inertie principaux (I¿1?, I¿2? et I¿3?) passant par le centre de gravité. Elle se distingue par un angle .theta. qui fait de 10· compris à 90· compris, et qui est défini entre, d'une part l'axe I¿1? correspondant au maximum du moment d'inertie autour des trois axes d'inertie principaux, et d'autre part le vecteur linéaire normal (101) d'une surface de façade (3f) passant par le centre de gravité.

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