IRON HEAD
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 by a distance gradually increasing from an upper surface of the protruding portion toward the sole surface.
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Abstract
An iron head is provided with a recess portion provided in an upper portion of a backside surface thereof, and a protruding portion provided at a lower portion of the backside surface. A first hollow portion is provided on a heel side from a bottom surface of a recess portion to a sole surface; and a second hollow portion is disposed on a toe side. The first hollow portion and the second hollow portion do not exist behind a sweet area. The first hollow portion and the second hollow portion may be filled with a shock absorber formed of a rubber or an elastomer.
97 Citations
11 Claims
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1. An iron head comprising:
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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 by a distance gradually increasing from an upper surface of the protruding portion toward the sole surface. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 10, 11)
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9. The iron head according to claim 9, wherein said shock absorber is made of a rubber or an elastomer.
Specification