Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
August 4, 2009
Patent Application Number
11711096
Date Filed
February 27, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention is directed to a golf club head with an improved striding surface. The grooves are machined into the strike surface with tight tolerances. The grooves have sharp edges, radiused ends, and a draft angle between about 2° and 12°. The striking face is machined such that it has a uniform texture with a roughness of more than 40 Ra. The grooves may contain a plurality of portions, including a radiused or angled portion, a portion having substantially parallel walls, a portion having a v-shape, and a curved portion.
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