Patent ID: 6623374
Filing Date: 2003-09-23
Classification: A63B

Abstract:
An iron-type golf club head comprising:a body composed of a metal material, the body having a front wall with a face width ranging from 3.00 inches to 3.50 inches and a face height ranging from 1.30 inches to 1.70 inches, a bottom wall extending from 2.0 inches to 3.0 inches rearward from a bottom end of the front wall and the bottom wall having a thickness ranging from 0.050 inch to 0.330 inch, a top wall extending rearward from a top end of the front wall, and a ribbon wall extending upward from a bottom wall, the bottom wall extending a greater distance rearward than the top wall, from a hosel the front wall, the ribbon wall, the bottom wall and the top wall defining an open cavity when viewed from the top of a head with a head at a designated loft angle wherein the iron-type golf club head has a face progression from the centerline of a hosel bore to a front edge of the front wall ranging from 0.275 inch to 0.400 inch, has a loft angle of at least 29 degrees and has a moment of inertia through the Izz axis of the center of gravity of at least 2600 gas centimeter squared.