Golf club head
First Claim
1. A golf club head comprising:
- a face portion having a front face forming a club face and a rear face facing a hollow;
a sole portion extending backward from the face portion and having an inner surface facing the hollow and an outer surface forming an undersurface of the head, the sole portion provided with a tubular part whose hole forms a socket; and
a weight member secured in the socket,whereinthe tubular part protrudes from the inner surface of the sole portion into the hollow,the sole portion is provided on the outer surface with at least one stiffening groove so that said at least one stiffening groove forms at least one stiffening rib on the inner surface of the sole portion, andthe stiffening groove is partially included in a vicinity zone which is defined as extending 10 mm from the socket.
3 Assignments
0 Petitions
Accused Products
Abstract
A golf club head comprises: a face portion having a front face forming a club face and a rear face facing a hollow; a sole portion extending backward from the face portion and having an outer surface forming an undersurface of the head and an inner surface facing the hollow, the sole portion provided with a tubular part whose hole forms a socket; and a weight member secured in the socket. The tubular part protrudes from the inner surface of the sole portion into the hollow. The sole portion is provided on the outer surface with at least one stiffening groove so that said at least one stiffening groove forms at least one stiffening rib on the,inner surface of the sole portion, and the stiffening groove is partially included in a vicinity zone which is defined as extending 10 mm from the socket.
127 Citations
11 Claims
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1. A golf club head comprising:
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a face portion having a front face forming a club face and a rear face facing a hollow; a sole portion extending backward from the face portion and having an inner surface facing the hollow and an outer surface forming an undersurface of the head, the sole portion provided with a tubular part whose hole forms a socket; and a weight member secured in the socket, wherein the tubular part protrudes from the inner surface of the sole portion into the hollow, the sole portion is provided on the outer surface with at least one stiffening groove so that said at least one stiffening groove forms at least one stiffening rib on the inner surface of the sole portion, and the stiffening groove is partially included in a vicinity zone which is defined as extending 10 mm from the socket. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
the weight member comprises;
a threaded part engaging with the threaded part of the socket; and
an increased-diameter part placed within the outer part of the socket.
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10. The golf club head according to claim 3, wherein
the minimum distance between the socket and each said at least one stiffening groove is not less than 1.0 mm and less than 10.0 mm. -
11. The golf club head according to claim 4, wherein
the minimum distance between the socket and each said at least one stiffening groove is not less than 1.0 mm and less than 10.0 mm.
Specification