Face inserts for golf club heads

• US 5,766,094 A
• Filed: 06/07/1996
• Issued: 06/16/1998
• Est. Priority Date: 06/07/1996
• Status: Expired due to Term

• Current Assignee: Callaway Golf Company
• Original Assignee: Lisco Incorporated
• Inventors: Mahaffey, Steve J., Melanson, Daniel
• Primary Examiner(s): Chiu, Raleigh W.
• Application Number:
  US08/660,252
• Time in Patent Office: 739 Days
• Field of Search: 473/342, 473/345, 473/324, 473/347, 473/349, 473/350
• US Class Current: 473/342
• 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 53/042 the face insert consisting of a material different from that of the head
• CPC Class Codes: A63B 53/0425 the face insert comprising two or more different materials
• CPC Class Codes: A63B 53/0458 with non-uniform thickness of the impact face plate
• CPC Class Codes: A63B 53/0466 wood-type
• 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

Abstract

A golf club head including a striking face comprising a recessed area in the striking face and an insert secured in the recessed area. The insert has at least one cavity therein with the cavity terminating short of the outer striking face.

Claims

1. A golf club head including a striking face, said striking face comprising

a recessed area in said striking face;

an insert secured within said recessed area, said insert having an outer face and an inner face, said outer face of said insert being substantially flush with the non-recessed area of said striking face; and

at least one cavity arranged within said insert between said inner and outer faces, said cavity terminating short of said inner and outer faces.

2. The golf club head of claim 1 further including a plurality of cavities within said insert so as to reduce the weight of said insert.

3. The golf club head of claim 2 wherein said cavities extend substantially vertically in said insert.

4. The golf club head of claim 2 wherein said cavities extend substantially horizontally in said insert.

5. The golf club head of claim 1 wherein said insert is a multi-layer laminate.

6. The golf club head of claim 1 wherein said golf club head is metal or composite wood.

7. The golf club head of claim 1 wherein said golf club head is an iron.

8. The golf club of claim 1 wherein said golf club head further comprises an integral plate member at the rear of and adjacent to said insert.

9. A golf club head including a striking face, said striking face comprising

(a) a recessed area in said striking face;

(b) a multi-layer laminated insert secured within said recessed area, said insert including

(1) a front face layer having an outer face substantially flush with the non-recessed area of said striking face and containing a plurality of cavities in the surface opposite said outer face and terminating short of said outer face;

(2) a middle layer; and

(3) an inner layer containing a plurality of cavities.

10. A golf club head including a striking face, said striking face comprising

(a) a recessed area in said striking face;

(b) a three layer laminated insert secured within said recessed area, said insert including

(1) a outer face layer having an outer face substantially flush with the non-recessed area of said striking face;

(2) a central layer containing at least one cavity; and

(3) an inner face layer.