Iron-type golf club head with rear cavity with undercut

• US 8,282,506 B1
• Filed: 09/03/2010
• Issued: 10/09/2012
• Est. Priority Date: 09/18/2009
• Status: Active Grant

• Current Assignee: Callaway Golf Company
• Original Assignee: Callaway Golf Company
• Inventors: Holt, Denver
• Primary Examiner(s): Blau, Stephen L.
• Application Number:
  US12/875,294
• Time in Patent Office: 767 Days
• Field of Search: 473349-350, 473/328, 473/324, D21/748, D21/749
• US Class Current: 473/350
• CPC Class Codes: A63B 53/0408 characterised by specific dimensions, e.g. thickness
• CPC Class Codes: A63B 53/0433 with special sole configurations
• CPC Class Codes: A63B 53/047 iron-type

Abstract

An iron-type golf club head having a rear cavity with an undercut portion is disclosed herein. The undercut portion is present in less than 360 degrees of the rear cavity. Further, the undercut portion is preferably discontinuous. Further, the under portion preferably has sharp angles at segments of the rear cavity.

Claims

1. An iron-type golf club head comprising:

a body having a rear cavity with a non-continuous undercut portion wherein a total perimeter of the rear cavity is segmented into six straight sections, and wherein a portion of a toe side of the rear cavity between a bottom side and a top side of the rear cavity has an undercut portion.

2. The iron-type golf club head according to claim 1 wherein the body further comprises a sharp angle undercut portion.

3. The iron-type golf club head according to claim 1 wherein the body further comprises a non-curved undercut portion.

4. The iron-type golf club head according to claim 1 wherein at least five sections of the six sections have an undercut portion.

5. The iron-type golf club head according to claim 1 wherein at least four sections of the six sections have an undercut portion.

6. The iron-type golf club head according to claim 1 wherein the body is composed of stainless steel, titanium alloy, carpenter steel, or any combination thereof.

7. An iron-type golf club head comprising:

a body having a rear cavity with an undercut portion of 295 degrees, wherein a total perimeter of a rear cavity is 7.8 inches and an undercut portion is present along 5.8 inches of the total perimeter.