Patent ID: 6863621
Filing Date: 2005-03-08
Classification: A63B

Abstract:
1. A correlated set of individually numbered golf club iron heads progressing from a high numbered head to a low numbered head; the heads numbering at least three within the set; individual heads having a front striking face and a rear face; the front striking faces of heads within the set individually having a total planar area defining a progressively decreasing loft angle in going from the high numbered head to the low numbered head; the heads within the set individually having a majority area of the rear face having an open cavity volume provided therein; for at least two chosen pairs of heads within the set, the open cavity volume of the majority rear face area of individual heads within each chosen pair decreasing in going from the lower number head to the higher number head in the pair; and further wherein the front striking faces of heads within the set individually having a maximum planar length, for the at least two chosen pairs of heads within the set, the maximum planar length of individual heads within each chosen pair increasing in size in going from the higher numbered head to the lower numbered head.