US4417731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hollow metal golf club head and club incorporating it
Assignee: Individual
•
Filing: 1982-06-16
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Granted: 1983-11-29
•
Expires: 2002-06-16
Abstract
Abstract A hollow metal golf club having a structure in which the club head has a body portion and a neck portion for attachment of a golf club handle shaft. The club head is similar in shape and size to conventional wood club heads. A metal cylinder has a socket to receive a shaft. It is supported inside the neck portion and body portion. The handle shaft is mounted by inserting it in the socket of the cylinder and fastening it there by suitable means. The bottom of the hollow club head has an opening covered by a removable plate.
Inventors
- 👤 Kunio Yamada
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:52
CPC Classifications
A; A63; A63B; A63B53/00; A63B53/02; A63B60/00; A63B60/02; A63B2225/00; A63B2225/01; A63B60/50
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
93 words
A golf club head comprising: a hollow metal body portion having an external shape substantially similar to a conventional "wood", said head further including a hollow neck portion extending from said body portion, cylindrical socket means extending from said body portion, cylindrical socket means extending into said portions, a plurality of web means attached to and interconnecting said socket means and said neck portion to support said socket means, with a spacing extending substantially around said socket means, said socket means having an aperture aligned with said neck portion to receive a shaft.
Claim 2
Dependent Claim
93 words
A golf club head comprising: a hollow metal body portion having an external shape substantially similar to a conventional "wood", said head further including a hollow neck portion extending from said body portion, cylindrical socket means extending from said body portion, cylindrical socket means extending into said portions, a plurality of web means attached to and interconnecting said socket means and said neck portion to support said socket means, with a spacing extending substantially around said socket means, said socket means having an aperture aligned with said neck portion to receive a shaft.
Claim 3
Dependent Claim
25 words
A golf club head according to claim 1 in which said club head has a face, said web means extending substantially parallel to said face.
Claim 4
Dependent Claim
18 words
A golf club head according to claim 1 in which said club head is molded from stainless steel.
Claim 5
Dependent Claim
28 words
A golf club head according to claim 1 in which said club head has a face, said face being substantially thicker than the rest of said club head.
Claim 6
Dependent Claim
23 words
A golf club head according to claim 4 including a plurality of stiffening ribs behind said face for reinforcing and strengthening said face.
Claim 7
Dependent Claim
31 words
A golf club head according to claim 4 in which said club face has an upper portion and lower portion; said lower portion having a thickness greater than the upper portion.
Claim 8
Dependent Claim
37 words
A golf club head according to claim 1 in which the bottom of said club head is open whereby adjustments may be made to the weight and center of gravity of said club head by adding filler.
Claim 9
Dependent Claim
21 words
A golf club head according to claim 7 including a detachable plate for closing the bottom portion of said club head.
Claim 10
Dependent Claim
22 words
A golf club head according to claim 1 in which said web means also interconnects said socket member to said body portion.
Claim 11
Dependent Claim
15 words
A golf club head according to claim 1 in which said web means are plate-like.
Claim 12
Dependent Claim
31 words
In combination, a golf club head according to claim 1, and a shaft having a diameter approximately equal to the diameter of said aperture, inserted into and retained in said aperture.
Claim 13
Dependent Claim
23 words
A combination according to claim 11 in which said web means are plate-like, and also interconnect said socket memeber and said body portion.
References Cited (Backward Citations)
US1501344A
Cited
US1582836A
Cited
US1983158A
Cited
AU211781B1
Cited
GB1379529A
Cited
US4214754A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-11-28 | 1987-05-30 | 1987-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-11-28 | 1991-05-30 | 1991-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-11-28 | 1995-05-30 | 1995-11-29 | $7700.00 | Window Closed / Lapsed |