Golf club head

• US 5,149,091 A
• Filed: 05/03/1991
• Issued: 09/22/1992
• Est. Priority Date: 05/07/1990
• Status: Expired due to Fees

• Current Assignee: Yokohama Rubber Company Limited
• Original Assignee: Yokohama Rubber Company Limited
• Inventors: Hayashi, Tetsuya, Kato, Masahiro, Okumoto, Takaharu
• Primary Examiner(s): Brown, Theatrice
• Assistant Examiner(s): Passaniti, Sebastiano
• Application Number:
  US07/695,701
• Time in Patent Office: 508 Days
• Field of Search: 273/80 R-80 D, 273/80.1-80.9, 273/167-175, 273/DIG. 23
• US Class Current: 473/311
• CPC Class Codes: A63B 53/02 Joint structures between the head and the shaft
• CPC Class Codes: A63B 60/00 Details or accessories of golf clubs, bats, rackets or the like
• CPC Class Codes: Y10S 273/23 High modulus filaments

Abstract

A golf club head having a channel formed in the back on the heel side of the club head main body that extends from the upper end of the hosel portion to the underside of a sole portion. A cover member molded separately is mounted over the opening of the channel to close it whereby a shaft fit hole is formed for receipt of the club'"'"'s shaft by the inner surface of the cover member and a part of the inner surface of the channel.

Claims

1. A gold club head comprising a club head main body molded from a synthetic resin, said body having a heel portion having a backside, a sole portion having a bottom surface, an upper portion having a top surface and a hosel portion having an upper end located adjacent said heel portion and said upper portion, a channel in said heel portion having an opening on the backside thereof, said channel and its opening extending from the upper end of the hosel portion to the bottom surface of the sole portion and a separate cover member mountable over said opening to form, with said channel, a shaft fit hole for receiving a golf club shaft.

2. The gold club head of claim 1, wherein the height of the upper end of the hosel portion from the bottom surface of the sole portion of the club head body is approximately equal to the height of said top surface form said bottom surface.

3. The gold club head of claim 1, molded in the shape of a wood type golf club head.

4. The golf club head of claim 1, wherein the cross-sectional shape of the channel is U-shaped.

5. The golf club head of claim 1, wherein the cross-sectional shape of the channel is C-shaped.

6. A golf club head comprising a club head main body molded from a synthetic resin, said body having a heel portion having a backside, a sole portion having a bottom surface, an upper portion having a top surface and a hosel portion having an upper end located adjacent said heel portion and said upper portion, a channel in said heel portion having an opening on the backside thereof, said channel and its opening extending from the upper end of the hosel portion to the bottom surface of the sole portion and a separate spacer member having a shaft fit hole therein for receiving a golf club shaft securable in said channel and opening.

7. The golf club head of claim 6, wherein the height of the upper end of the hosel portion from the bottom surface of the sole portion of the club head body is approximately equal to the height of said top surface from said bottom surface.

8. The golf club head of claim 6, molded in the shape of a wood type golf club head.

9. The golf club head of claim 6, wherein the cross-sectional shape of the channel is U-shaped.

10. The golf club head of claim 6, wherein the cross-sectional shape of the channel is C-shaped.