Golf club head

Details Golf club head Golf club head

2010-03-16

2011-11-22

Passaniti, Sebastiano (Department: 3711)

Games using tangible projectile

Golf

Club or club support

C473S331000

Reexamination Certificate

active

08062149

ABSTRACT:
This invention provides a golf club head comprising a plurality of score lines formed in its face. Letting θ be the angle of the side wall of the scoreline with respect to the face, Cp be the center point of a virtual circle which has a radius of 0.254 mm and is inscribed in both the side wall and the face, F be the point of contact between the virtual circle and the face, G be the point of contact between the virtual circle and the side wall, P be a point farthest from the center point Cp in the segment from the point of contact F to the point of contact G in the edge portion of the scoreline, and D (mm) be the length from the center point Cp to the point P, the golf club head satisfies 56°≦θ≦80° and 0.270≦D≦0.287.

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