Invention Grant
- Patent Title: High moment of inertia wood-type golf clubs and golf club heads
- Patent Title (中): 高惯性木杆式高尔夫球杆和高尔夫球杆头
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Application No.: US12141580Application Date: 2008-06-18
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Publication No.: US08133135B2Publication Date: 2012-03-13
- Inventor: John Thomas Stites , Gary G. Tavares , Robert Boyd , Hiroshi Kawaguchi , Daisuke Tsukada
- Applicant: John Thomas Stites , Gary G. Tavares , Robert Boyd , Hiroshi Kawaguchi , Daisuke Tsukada
- Applicant Address: US OR Beaverton
- Assignee: NIKE, Inc.
- Current Assignee: NIKE, Inc.
- Current Assignee Address: US OR Beaverton
- Agency: Banner & Witcoff, Ltd
- Main IPC: A63B53/04
- IPC: A63B53/04

Abstract:
Wood-type golf club heads include: (a) a club head body including heel, toe, crown, sole, and weighted rear portions; and (b) a variable thickness ball striking face. The club head body parts and weighted portion(s) may be arranged such that the club head has a moment of inertia about a vertical axis passing through the club head center of gravity of at least 5000 g-cm2. Such club heads may include: (a) a cup face member including a ball striking face portion and a return portion; (b) sole and crown portions engaged with the return portion; (c) a rear body member engaged with the crown and/or sole portions; (d) a weight member at the club head rear; and/or (e) a hosel member engaged with the cup face member, the crown portion, and/or the sole portion.
Public/Granted literature
- US20090048035A1 High Moment of Inertia Wood-Type Golf Clubs and Golf Club Heads Public/Granted day:2009-02-19
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