Is a
Patent attributes
Patent Applicant
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Masaei Tsurumaki0
Date of Patent
May 3, 2005
0Patent Application Number
104280370
Date Filed
May 2, 2003
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A golf club provides carry which does not deteriorate even when a golf ball is struck in a lower position on a face portion. The golf club includes a face portion 4 having a hitting surface, an improved sole portion 3 which forms a lower portion, and a crown portion 5 which forms an upper portion. A deformation portion B which is capable of elastic deformation is provided in concavoconvex form on the sole portion 3 in a position near the face portion 4. This deformation portion B is constituted by a protrusion 10 which is formed such that the sole portion 3 forms an obtuse angle α, and a concave groove 11 which is formed in a direction linking a toe portion and a heel portion by a protrusion protruding towards the crown portion 5.
Timeline
No Timeline data yet.
Further Resources
No Further Resources data yet.
