Birch, Stewart, Kolasch & Birch, LLP
Golf club head
A hollow golf club head having a face portion, a crown portion, a sole portion, a side portion and a hosel portion comprises: a face component made of a titanium alloy and forming a major part of the face portion; a hosel-and-heel component made of a titanium alloy and forming a heel-side part of the sole portion and side portion and the hosel portion; and a rear component made of a magnesium alloy and forming a rear part of the head. The above-mentioned heel-side part of the sole portion formed by the hosel-and-heel component extends towards the toe of the head and intersects a vertical straight line passing through the center of gravity of the club head so as to form a major part of the sole portion.
SRI Sports Limited
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Takashi
Nakano