Iron-type golf club head production method therefor

• US 5,885,170 A
• Filed: 04/14/1998
• Issued: 03/23/1999
• Est. Priority Date: 03/12/1996
• Status: Expired due to Fees

• Current Assignee: Kabushiki Kaisha Endo Seisakusho
• Original Assignee: Kabushiki Kaisha Endo Seisakusho
• Inventors: Takeda, Hitoshi
• Primary Examiner(s): Passaniti, Sebastiano
• Application Number:
  US09/059,887
• Time in Patent Office: 343 Days
• Field of Search: 473/305, 473/306, 473/307, 473/308, 473/309, 473/310, 473/311, 473/312, 473/313, 473/314, 473/315, 473/290, 473/291, 473/324, 473/349, 473/350
• US Class Current: 473/306
• CPC Class Codes: A63B 53/005 Club sets
• CPC Class Codes: A63B 53/02 Joint structures between the head and the shaft
• CPC Class Codes: A63B 53/04 Heads
• CPC Class Codes: A63B 53/0416 Heads having an impact surface provided by a face insert
• CPC Class Codes: A63B 53/047 iron-type
• CPC Class Codes: A63B 60/00 Details or accessories of golf clubs, bats, rackets or the like
• CPC Class Codes: B23K 20/129 specially adapted for particular articles or workpieces

Abstract

An iron-type golf club head which can elongate a travelling distance of balls for a long iron, and enable the better controlling of balls for a short iron. A head body 8, having a face 3, is formed from one material, while a hosel 7 formed from another material having the different specific gravity than that of the head body 8. For long irons, the material of the hosel 7 is thinner than that of the head body 8, while for short irons, the material of the head body 8 is denser than that of the hosel 7.

Claims

1. An iron-type golf club head comprising:

a head body having a face member at a front thereof and a frame member, said frame member being integrally provided along an outer periphery of said face member;

a hosel mounted to said head body at a side thereof for mounting a shaft;

wherein said hosel is formed from a material denser than that of said head body for short irons, said head body is formed from a material denser than that of said hosel for long irons, and said frame member is formed from a material denser than that of said face member.

2. An iron-type golf club head according to claim 1, wherein said hosel is connected to said head body by means of screwing.

3. An iron-type golf club head according to claim 2, further comprising a mounting hole formed at an upper part of said hosel for inserting said shaft thereinto.

4. An iron-type golf club head according to claim 1, wherein said hosel is joined to said head body by friction welding, abutting said hosel to one side of said head body.