Patent · US Expired

Multiple material golf club head

US6491592B2 · kind B2 · utility

365Cited by
44References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 16, 2001
Grant dateDec 10, 2002
Priority date
Expiry dateJul 16, 2021

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA63B2209/023
  • WIPO fieldFurniture, games
  • WIPO sectorOther fields

Abstract

A golf club (40) having a club head (42) with a face component (60) and an aft-body (61) is disclosed herein. The face component (60) has a striking plate portion (72) and a return portion (74). The aft-body (61) is composed of a crown portion (62), a sole portion (64) and optionally a ribbon section (90). The face component (60) is composed of a metal material, and the aft-body (61) is composed of a non-metal material such as a composite material or a thermoplastic material. The striking plate portion (72) preferably has an aspect ratio less than 1.7. The striking plate portion (72) preferably has concentric regions of thickness with the thickness portion in the center (102). The club head (42) has a volume in the range of 300 cubic centimeters to 600 cubic centimeters, a weight in the range of 165 grams to 300 grams, and a striking plate portion (72) surface area in the range of 4.00 square inches to 7.50 square inches. The golf club head (42) has a coefficient of restitution greater than 0.81 under test such as the USGA test conditions specified pursuant to Rule 4-1e, Appendix II, of the Rules of Golf for 1998-1999.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.