Golf club head
First Claim
1. A golf club head having a hollow shell structure comprising:
- a main frame provided with three independent openings which are a front opening, a top opening and a bottom opening;
a face plate covering the front opening;
a crown plate covering the top opening; and
a sole plate covering the bottom opening, wherein the specific gravity Gc of the crown plate, the specific gravity Gf of the face plate and the specific gravity Gs of the sole plate are each smaller than the specific gravity Gm of the main frame.
3 Assignments
0 Petitions
Accused Products
Abstract
A golf club head has a hollow shell structure comprising: a main frame provided with three independent openings which are a front opening, a top opening and a bottom opening; a face plate covering the front opening; a crown plate covering the top opening; and a sole plate covering the bottom opening. The specific gravity Gc of the crown plate, the specific gravity Gf of the face plate and the specific gravity Gs of the sole plate are each smaller than the specific gravity Gm of the main frame. Preferably, the specific gravity Gc is smaller than the specific gravity Gf and smaller than the specific gravity Gs, and the main frame is made of a metal material. Therefore, the freedom of designing the center of gravity the club head can be increased.
19 Citations
19 Claims
-
1. A golf club head having a hollow shell structure comprising:
- a main frame provided with three independent openings which are a front opening, a top opening and a bottom opening;
a face plate covering the front opening;
a crown plate covering the top opening; and
a sole plate covering the bottom opening, wherein the specific gravity Gc of the crown plate, the specific gravity Gf of the face plate and the specific gravity Gs of the sole plate are each smaller than the specific gravity Gm of the main frame. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
- a main frame provided with three independent openings which are a front opening, a top opening and a bottom opening;
Specification
-
- Resources
-
Current AssigneeSumitomo Rubber Industries Limited
-
Original AssigneeSRI Sports Limited (Sumitomo Rubber Industries Limited)
-
InventorsOyama, Hitoshi
-
Granted Patent
-
Time in Patent OfficeDays
-
Field of Search
-
US Class Current473/345
-
CPC Class CodesA63B 2053/0491 with added weights, e.g. ch...A63B 2209/00 Characteristics of used mat...A63B 2209/023 Long, oriented fibres, e.g....A63B 53/0408 characterised by specific d...A63B 53/0412 VolumeA63B 53/0416 Heads having an impact surf...A63B 53/042 the face insert consisting ...A63B 53/0433 with special sole configura...A63B 53/0437 with special crown configur...A63B 53/0466 wood-typeA63B 60/02 Ballast means for adjusting...
