×

Iron head

  • US 9,079,081 B2
  • Filed: 04/10/2012
  • Issued: 07/14/2015
  • Est. Priority Date: 07/22/2009
  • Status: Expired due to Fees
First Claim
Patent Images

1. An iron head comprising:

  • a striking face;

    a backside surface;

    a sole surface;

    a hosel;

    a recess portion provided in an upper portion of the backside surface;

    a protruding portion provided at a lower portion of the backside surface and projecting backward;

    a first hollow portion provided on a heel side of the protruding portion; and

    a second hollow portion disposed on a toe side and inside the protruding portion, said protruding portion including a middle portion between the first hollow portion and the second hollow portion,wherein said first hollow portion is disposed away from the second hollow portion so that a distance between the first hollow portion and the second hollow portion in a direction from the heel side to the toe side gradually increases from an upper surface of the protruding portion toward the sole surface, andsaid cavity portion has a first maximum length in a vertical direction parallel with the striking face is set between 20% and 50% of a second maximum length of the striking face in the vertical direction.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×