US3820795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Golf swing training device
Assignee: Individual
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Filing: 1973-08-09
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Granted: 1974-06-28
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Expires: 1993-08-09
Abstract
Abstract The invention relates to a unit which is readily attached to and detached from a golf club shaft to provide a visual self-analysis of one''s own golf swing. It consists of a golf club having removably secured to its hosel a snap fitting attachment carrying a light source directing a light beam upwardly, a hosel entrance opening on said attachment is positioned on the rearward side of said hosel.
Inventors
- 👤 D Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:51
CPC Classifications
A; A63; A63B; A63B69/00; A63B69/36; A63B69/3614
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
194 words
Golf swing training apparatus comprising a golf club having removably secured to the hosel thereof a resiliently expandable and self-contractable cylindrical member having, when detached from said hosel, an axial bore therethrough of a normal diameter less than the diameter of said hosel and a wedge-shaped entry to said bore throughout its entire length, said member being so positioned on said hosel that said wedge-shaped entry is on the rearward side of said hosel, and said member being secured to said hosel solely by the contracting forces resulting from having expanded the diameter of the bore therein beyond its normal diameter to accommodate the larger diameter of said hosel, means extending from and integral with said cylindrical member for receiving and holding a self-powered light source in spaced relation from and parallel to the hosel and shaft of the club, and a self-powered light source removably held in said means so that a light beam therefrom may be directed upwardly parallel to said shaft and give a continuous light beam during use whereby all positions of the upward and downward, start and finish of a golf swing may be visually observed by the golfer-user.
Claim 2
Dependent Claim
194 words
Golf swing training apparatus comprising a golf club having removably secured to the hosel thereof a resiliently expandable and self-contractable cylindrical member having, when detached from said hosel, an axial bore therethrough of a normal diameter less than the diameter of said hosel and a wedge-shaped entry to said bore throughout its entire length, said member being so positioned on said hosel that said wedge-shaped entry is on the rearward side of said hosel, and said member being secured to said hosel solely by the contracting forces resulting from having expanded the diameter of the bore therein beyond its normal diameter to accommodate the larger diameter of said hosel, means extending from and integral with said cylindrical member for receiving and holding a self-powered light source in spaced relation from and parallel to the hosel and shaft of the club, and a self-powered light source removably held in said means so that a light beam therefrom may be directed upwardly parallel to said shaft and give a continuous light beam during use whereby all positions of the upward and downward, start and finish of a golf swing may be visually observed by the golfer-user.
Claim 3
Dependent Claim
18 words
The golf swing training apparatus of claim 1 wherein the self-powered light source is a small flash light.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-27 | 1981-12-27 | 1982-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-27 | 1985-12-27 | 1986-06-28 | $7700.00 | Window Closed / Lapsed |