Invention Grant
- Patent Title: Golf club head
- Patent Title (中): 高尔夫球杆头
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Application No.: US11984949Application Date: 2007-11-26
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Publication No.: US07934998B2Publication Date: 2011-05-03
- Inventor: Masatoshi Yokota
- Applicant: Masatoshi Yokota
- Applicant Address: JP Kobe
- Assignee: SRI Sports Limited
- Current Assignee: SRI Sports Limited
- Current Assignee Address: JP Kobe
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2007-016694 20070126
- Main IPC: A63B53/04
- IPC: A63B53/04

Abstract:
Golf club head 2 is provided including face member 4, crown member 6, sole member 8 and recessed part 10. The recessed part 10 is provided around the sole member 8. The recessed part 10 has a maximum height Hm of equal to or greater than 10 mm. The projected area S1 of the sole member 8 projected on the reference plane accounts for 40% or more and 65% or less of the projected area S2 of the crown member 6 projected on the reference plane. The head 2 is hollow. Preferably, the maximum angle θm formed between the margin F1 of the recessed part 10 and the sole edge E1 in proximity thereto is equal to or greater than 45 degrees. Preferably, the curvature radius of the sole face in a toe-heel direction is 9.0 cm or greater and 11.5 cm or less. Preferably, the head 2 has a volume of 400 cc or more and 500 cc or less.
Public/Granted literature
- US20080182681A1 Golf club head Public/Granted day:2008-07-31
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