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Golf club face for drivers

  • US 5,366,223 A
  • Filed: 10/28/1993
  • Issued: 11/22/1994
  • Est. Priority Date: 10/28/1993
  • Status: Expired due to Term
First Claim
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1. A driver golf club head having an elongated face region having a face outline defined by an edge so oriented that the moment axis of the smaller of two principal moments of inertia of an area bounded by the edge of the face as projected onto a plane containing an axis of a shaft connected to the head and the centroid of the face region is oriented at least 74 degrees from the shaft axis in such direction as to cause a toe end of the face outline to become higher than a heel end with the club head in ball striking position and where increasing such angle causes the toe end to move higher.

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