Structure of golf club head

• US 5,993,331 A
• Filed: 07/22/1998
• Issued: 11/30/1999
• Est. Priority Date: 07/22/1998
• Status: Expired due to Fees

• Current Assignee: Wuu Horng Industrial Co. Ltd.
• Original Assignee: Wuu Horng Industrial Co. Ltd.
• Inventors: Shieh, Ji
• Primary Examiner(s): Passaniti, Sebastiano
• Application Number:
  US09/121,619
• Time in Patent Office: 496 Days
• Field of Search: 473/324, 473/334, 473/335, 473/336, 473/337, 473/338, 473/339, 473/349, 473/350, 473/342, 473/345, 473/346
• US Class Current: 473/342
• CPC Class Codes: A63B 2053/0491 with added weights, e.g. changeable, replaceable
• CPC Class Codes: A63B 2209/00 Characteristics of used materials
• 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 53/045 Strengthening ribs
• CPC Class Codes: A63B 53/0454 Strengthening ribs on the rear surface of the impact face plate
• 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 60/00 Details or accessories of golf clubs, bats, rackets or the like

Abstract

A golf club head includes a face panel and a hollow casing directly molded from aluminum alloy on the face panel and covered over the border area of the face panel, wherein a weight is mounted in a back recess at the center of the back side wall of the face panel to concentrate the center of gravity of the face panel at the center area, a metal locating plate is welded to the back side wall of the face panel to fixedly secure the weight in place, and a plurality of V-shaped metal ribs are welded to the back side wall of the face panel and embedded in the aluminum alloy of the casing, the metal ribs each defining with the back side wall of the face panel a through hole, which is filled up by the aluminum alloy of the casing.

Claims

1. A golf club head comprising a face panel and a hollow casing directly molded from aluminum alloy on said face panel and covering a border area around a periphery of said face panel, wherein said face panel comprises a back recess at the center of a back side wall thereof, said back recess having a peripheral groove at a bottom side thereof, a weight mounted in said back recess, said weight filling up said peripheral groove and having a specific gravity higher than that of said face panel, and a locating metal plate welded to the back side wall of said face panel to fixedly secure said weight in place.

2. The golf club head of claim 1 wherein a plurality of V-shaped metal ribs are respectively welded to the back side wall of said face panel within said border area and embedded in said casing, said metal ribs each defining with the back side wall of said face panel a through hole, which is filled up by the aluminum alloy of said casing.