Patent of the Week: Variable Thickness Putter Face Insert
This week’s Patent of the Week goes to SRI Sports (owners of the Srixon® and Dunlop® brands). SRI Sports was issued U.S. Patent No. 7,175,540 simply titled “Golf Putter” on February 13, 2007 (selected figures from which appear below).
Regular readers of this blog will recognize that there has definitely been a recent increase in patents directed to varying the characteristics of the striking face of clubs. This patent is directed to a variable thickness elastic face insert for a putter. The face insert is made of an elastic material, such as a resin, that increases in thickness with the distance from the sweet spot.
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