Golf putter having laminated face insert with single exposed lamination

• US 6,227,986 B1
• Filed: 12/28/1998
• Issued: 05/08/2001
• Est. Priority Date: 12/28/1998
• Status: Expired due to Fees

• Current Assignee: Kevtech Incorporated
• Original Assignee: Kevtech Incorporated
• Inventors: Fisher, Dale P.
• Primary Examiner(s): Nguyen, Kien T.
• Application Number:
  US09/221,730
• Time in Patent Office: 862 Days
• Field of Search: 473/290, 473/288, 473/251, 473/324, 473/329, 473/332, 473/340, 473/342, 473/347
• US Class Current: 473/342
• CPC Class Codes: A63B 53/0416 Heads having an impact surface provided by a face insert
• CPC Class Codes: A63B 53/0425 the face insert comprising two or more different materials
• CPC Class Codes: A63B 53/0487 for putters A63B53/065 takes precedence
• CPC Class Codes: A63B 53/065 for putters

Abstract

A golf putter in which both the tactile response and ball launching characteristics may be independently varied over relatively wide respective ranges includes a head in the face of which is formed a stepped cross-section cutout portion which receives a stepped cross-section insert. The putter head includes an outer insert lamination which fits into a complementarity-shaped front recessed portion of the cutout, the outer lamination having an outer generally flat face flush with the front face of the head. Inwards of the recessed portion of the cutout in the front face of the putter head is a pocket adapted to receive and enclose from exterior exposure an inner insert lamination. The outer insert lamination has an outer surface which affords a desired tactile response to a golfer upon impacting a golf ball, while the inner insert lamination has a weight, weight distribution, and resilience which may be varied independently from the properties of the front lamination to achieve desired ball impacting characteristics.

Claims

1. A golf puker including an elongated shaft having at a first end thereof a hand grip and at a second end thereof a head for impacting a golf ball, said head comprising;

a. a body having a front face with an intended region for impacting a golf ball, said front face having therein a cutout portion including a front inwardly protruding recess having a pair of laterally opposed side walls and a pocket which protrudes inwardly from an inner vertically disposed surface of said recess, and having upper and lower laterally disposed walls formed by the lower and upper surfaces, respectively, of a pair of vertically opposed, laterally disposed upper and lower elongated ribs, said ribs having upper and lower surfaces contigious with said upper and lower surface of said body,

b. an inset for providing said putter with ball impacting properties different from those provided by said body without said recess and insert, said insert having a front ball impacting portion having an outline shape complementary to that of said recess and adapted to fit therein with a front surface of said insert substantially flush with said front face of said body and a rear surface adapted to seat on outer surfaces of said ribs, and a plate-like rear portion having a non-uniform weight per unit area adapted to fit into said pocket, and

c. means for fastening said insert to said body, said fastening means including in combination at least one threaded hole extending forward from a rear surface of said rear portion of safe insert, and a threaded member which extends forward through an aperture provided through a rear wall surface of said body into said pocket, said threaded member being tightened into said threaded hole.

2. The golf putter of claim 1 wherein said recess is further defined as penetrating said lower wall surface of said body.

3. The golf putter of claim 1 wherein said recess is further defined as penetrating said upper wall surface of said body.

4. The golf putter of claim 1 wherein said recess is further defined as penetrating both said upper and lower wall surfaces of said body.

5. The golf putter of claim 1, wherein a laterally intermediate region of said rear portion of said insert is further defined as being lighter than outer lateral portions of said rear portion of said insert.

6. The golf putter of claim 5 wherein said laterally intermediate region of said rear portion of said insert is further defined as being thinner than said outer lateral portions of said rear portion of said insert.

7. The golf putter of claim 1 wherein a laterally intermediate region of said rear portion of said insert is further defined as being heavier than outer lateral portions of said rear portion of said insert.

8. The golf putter of claim 7 wherein said laterally intermediate region of said rear portion of said insert is further defined as being thicker than said outer lateral portions of said rear portion of said insert.

9. The golf putter of claim 1 wherein said front and rear portions of said putter have a different material composition.

10. The golf putter of claim 1 wherein said weight per unit area of a lower portion of said rear portion of said insert is greater then an upper portion thereof.

11. The golf putter of claim 1 wherein said weight per unit area of an upper portion of said rear portion of said insert is greater than a lower portion thereof.

12. A golf putter including an elongated shaft having at a first end thereof a handgrip and at a second end thereof a head for impacting a golf ball, said head comprising;

a. a body having a front outer face with an intended region for impacting a golf ball, said front face thereof having formed therein a depression including an outer recess having laterally opposed side walls, and a pocket inward of said depression of smaller vertical height than said body, said pocket protruding inwardly from a generally vertically disposed inner wall surface of said recess, said pocket having a pair of laterally disposed side walls coextensive with said recess side walls, and having upper and lower laterally disposed walls formed by the lower and upper surfaces, respectively of a pair of vertically opposed, laterally elongated and disposed upper and lower ribs, said ribs having upper and lower surfaces contguos with said upper and lower wall surfaces of said body,

b. an insert for providing said putter with desired ball impacting properties, said insert having a front ball-impacting portion having an outline shape complementary to the trace of said recess in said front face of said body and adapted to fit conformally therein with an outer surface of said insert substantially flush with said front face of said body, and an inner surface of said front portion of said insert seated on said inner wall surface of said recess, said insert having a rear plate-like portion having a non-uniform cross-sectional shape adapted to be received in said pocked, said front and rear portions of said insert comprising individual laminations adhered together, and

c. means for fastening said insert to said body.

13. The golf putter of claim 12 wherein said means for fastening said insert to said body includes in combination at least one threaded hole protruding forward from a rear surface of said rear portion of said insert, a hole which protrudes forward from a rear wall surface of said body through an inner wall surface of said pocket, and a threaded member disposed through said body hole and tightened into said threaded hole.

14. A golf putter head for providing selectable ball impacting properties comprising;

a. a laterally elongated body having a generally flat front face with an intended region for impacting a golf ball, said front face thereof having formed therein a depression having a front recess having laterally opposed side walls cut inwardly from said front face to a first, inner seating surface, and a pocket cut inwardly from said first, inner seating surface,

b. an insert for providing said putter with desired ball impacting properties, said insert having an outer, ball-impacting lamination having a desired hardness and an outline shape complementary to the trace of said recess in said front face of said body and adapted to fit conformally therein with an outer, front surface of said outer lamination substantially co-planar with said front face of said body, an inner surface of said outer lamination seated on said first, inner seating surface of said recess, and an inner, trajectory-determining insert lamination adapted to be received within said pocket, and

c. means for fastening said insert to said body, said fastening means including in combination at least one threaded hole extending forward from a rear surface of said rear portion of said insert, and a threaded member which extends forward through an aperture provided through a rear wall surface of said body into said pocket, said threaded member being tightened into said threaded hole.

15. The golf putter head of claim 14 wherein said fastening means affords a capability for interchangeably installing selected inserts in said head.