Utility iron golf club with weighting element

• US 7,126,339 B2
• Filed: 07/31/2002
• Issued: 10/24/2006
• Est. Priority Date: 07/31/2002
• Status: Expired due to Fees

• Current Assignee: Mizuno Corporation
• Original Assignee: Mizuno Corporation
• Inventors: Nagai, Masao, Llewellyn, David G.
• Primary Examiner(s): Caldarola, Glenn
• Assistant Examiner(s): DUONG, THANH P
• Application Number:
  US10/209,297
• Publication Number:
  US 20040023730A1
• Time in Patent Office: 1,546 Days
• Field of Search: 473/334, 473/349, 473/350, 473/291
• US Class Current: 324/345
• CPC Class Codes: A63B 53/04 Heads
• CPC Class Codes: A63B 53/0408 characterised by specific dimensions, e.g. thickness
• CPC Class Codes: A63B 53/0412 Volume
• CPC Class Codes: A63B 53/0416 Heads having an impact surface provided by a face insert
• CPC Class Codes: A63B 53/0458 with non-uniform thickness of the impact face plate
• 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: A63B 60/02 Ballast means for adjusting the centre of mass A63B60/24, A63B60/54 take precedence

Abstract

A golf club head comprising of a front plate integral with a primary body having a top, a sole, a rear portion, and a general periphery wherein the primary body and the front plate define a hollow interior and where the rear portion carries a weighting element that protrudes behind the general periphery.

Claims

1. A golf club head comprising:

a primary body having a top, a sole, a rear portion, and a perimeter weighting element;

wherein said rear portion carries a weighting element that protrudes rearwardly from said rear portion and said perimeter weighting element;

said rear portion having a toe section, a middle section, and a heel section, wherein said toe and heel sections are thinner than said middle section;

said perimeter weighting element defining a central cavity in said rear portion, wherein the depth of said central cavity is greater in said toe and heel sections than said middle section;

a forged front plate including a hosel, wherein said forged front plate is adapted to engage with said primary body to define a hollow interior;

said forged front plate having a top face portion, a middle face portion, and a sole face portion, wherein said sole face portion is thinner than said middle face portion and said top face portion is thinner than said sole face portion;

said forged front plate having a loft ranging from 18 degrees to 24 degrees; and

said golf club head having a center of gravity less than 22 mm from said sole of said primary body.