Patent · US Expired

Golf club iron

US6875124B2 · kind B2 · utility

174Cited by
23References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 2, 2003
Grant dateApr 5, 2005
Priority date
Expiry dateJul 8, 2023

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA63B2209/02
  • WIPO fieldFurniture, games
  • WIPO sectorOther fields

Abstract

An iron golf club head having a thin (less than 0.12 inches) first section that has an expanded unsupported front face region. The first section including a central portion forming part of a leading edge and wrapping around a sole section of the club, to create an increase the coefficient of restitution of the club head to greater than 0.8. The club head utilizes a rear insert that in addition to providing support for the front face, also allows for the fine tuning of swing weights with no change in geometry or size of the club head. This is accomplished this by the utilization of weight adjustment inserts that impregnate tungsten loaded plastic into sheets of carbon graphite and epoxy. The percentage of tungsten creating a weight range without any size change in the sheets.

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