Golf club head

• US 20070026961A1
• Filed: 08/01/2005
• Published: 02/01/2007
• Est. Priority Date: 08/01/2005
• Status: Abandoned Application

• Current Assignee: Nelson Precision Casting Co., Ltd. (Cooperative Valiant APO Global UA)
• Original Assignee: Nelson Precision Casting Co., Ltd. (Cooperative Valiant APO Global UA)
• Inventors: Hou, Wen-Ching
• Application Number:
  US11/193,468
• Publication Number:
  US 20070026961A1
• Time in Patent Office: Days
• US Class Current: 473/329
• CPC Class Codes: A63B 53/0433 with special sole configurations
• CPC Class Codes: A63B 53/0466 wood-type
• CPC Class Codes: A63B 53/047 iron-type
• CPC Class Codes: A63B 60/52 with slits

Abstract

A golf club head includes a face portion disposed on a front face of a golf club head for hitting a golf ball and a sole portion formed on a lower portion of the golf club head. The sole portion includes a recessed deformation portion. The deformation portion includes a deformation-starting section, a deformation-ending section, and a maximum deformation section between the deformation-starting section and the deformation-ending section. A thickness of the deformation-starting section and a thickness of the deformation-ending section decrease toward the maximum deformation section so that the maximum deformation section has the smallest thickness allowing elastic deformation, thereby increasing elastic deforming capability of the sole portion.

Claims

1. A golf club head comprising:

a face portion disposed on a front face of a golf club head for hitting a golf ball; and

a sole portion formed on a lower portion of the golf club head, the sole portion comprising a recessed deformation portion, the deformation portion comprising a deformation-starting section, a deformation-ending section, and a maximum deformation section between the deformation-starting section and the deformation-ending section, a thickness of the deformation-starting section and a thickness of the deformation-ending section decreasing toward the maximum deformation section so that the maximum deformation section has the smallest thickness allowing elastic deformation, thereby increasing elastic deforming capability of the sole portion.

2. The golf club head as claimed in claim 1, wherein the deformation portion extends from a toe portion of the golf club head to a heel portion of the golf club head.

3. The golf club head as claimed in claim 1, wherein the deformation portion protrudes toward a blade of the golf club head.

4. The golf club head as claimed in claim 1, wherein the deformation portion is near the face portion.

5. The golf club head as claimed in claim 1, wherein the deformation portion is an elongated groove.

6. The golf club head as claimed in claim 1, wherein the sole portion comprises a flat inner face and a flat outer face, and wherein the deformation portion is formed on the flat outer face adjacent to the face portion.

7. The golf club head as claimed in claim 1, wherein the deformation portion comprises a plurality of recesses in an outer face thereof for increasing elastic deforming capability of the deformation portion.

8. The golf club head as claimed in claim 1, wherein the deformation portion comprises a plurality of protrusions on an outer face thereof for enhancing structural strength of the deformation portion.

9. The golf club head as claimed in claim 1, wherein the golf club head is a head of one of an iron club, a wood club, and a utility golf club.