Patent US4911450A successfully refreshed from Google Patents.
US4911450A
Expired / Lapsed
US
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Golf swing teaching and practice device and method
Assignee: COSTA VINCENT JAMES JR
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Filing: 1989-02-22
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Granted: 1990-03-27
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Expires: 2009-02-22
Abstract
Abstract A device used to teach and practice a connected golf swing includes a short shaft having a clubhead on one end and a grip on the other end. A grip end light is mounted in the grip to produce a light that is co-linear with the longitudinal axis of the shaft. A clubhead light is mounted in the clubhead to provide a light that is directly below the clubhead bottom edge and which is oriented at 90° to the bottom edge of the clubhead so that the clubhead light is located centrally between the heel and toe directly beneath the clubhead. A swing track includes paths to be traversed by the grip end light and the clubhead light during the various phases of the golf swing. Locating the clubhead light directly beneath the clubhead bottom edge keeps the golfer's eyes focused directly on the clubhead and thus tends to keep the golfer's hands, arms and body operating as a connected synchronized unit.
Inventors
- 👤 Bill Rabold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:42
CPC Classifications
A; A63; A63B; A63B69/00; A63B69/36; A63B69/3614; A63B2208/00; A63B2208/12
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
192 words
A device for teaching and practicing a proper golf swing comprising: (A) a short shaft having a longitudinal axis; (B) a grip on one end of said shaft; (C) a clubhead on another end of said shaft, said clubhead having a heel, a toe, and a bottom edge; (D) a grip end light in said grip, said grip end light being mounted to direct a beam of light co-linearly with said shaft longitudinal axis; (E) a clubhead light in said clubhead, said clubhead light being mounted centrally of said clubhead bottom edge between the heel and the toe and oriented on said clubhead to direct a beam of light at 90° to said clubhead bottom edge and being mounted to direct said beam of light directly out of said clubhead bottom edge to be located directly beneath said clubhead, whereby said clubhead light moves in the exact path of said clubhead directly beneath said clubhead as the device is swung in a golf swing motion so that said clubhead light forms a target directly beneath said clubhead for a golfer's eyes to be focused on during the execution of the golf swing.
Claim 2
Independent Claim
192 words
A device for teaching and practicing a proper golf swing comprising: (A) a short shaft having a longitudinal axis; (B) a grip on one end of said shaft; (C) a clubhead on another end of said shaft, said clubhead having a heel, a toe, and a bottom edge; (D) a grip end light in said grip, said grip end light being mounted to direct a beam of light co-linearly with said shaft longitudinal axis; (E) a clubhead light in said clubhead, said clubhead light being mounted centrally of said clubhead bottom edge between the heel and the toe and oriented on said clubhead to direct a beam of light at 90° to said clubhead bottom edge and being mounted to direct said beam of light directly out of said clubhead bottom edge to be located directly beneath said clubhead, whereby said clubhead light moves in the exact path of said clubhead directly beneath said clubhead as the device is swung in a golf swing motion so that said clubhead light forms a target directly beneath said clubhead for a golfer's eyes to be focused on during the execution of the golf swing.
Claim 3
Dependent Claim
31 words
The device defined in claim 1 further including a sweet spot on said clubhead, with said clubhead light being mounted to direct a beam of light directly beneath said sweet spot.
Claim 4
Dependent Claim
15 words
The device defined in claim 1 wherein said short shaft is less than 28" long.
Claim 5
Dependent Claim
21 words
The device defined in claim 3 further including an actuating means for actuating said grip end light and said clubhead light.
Claim 6
Dependent Claim
39 words
The device defined in claim 4 wherein said actuating means includes a battery in said shaft, a switch on said shaft and leads connecting said battery to said grip end light and to said clubhead light via said switch,
Claim 7
Dependent Claim
12 words
The device defined in claim 5 further including weights in said clubhead.
Claim 8
Dependent Claim
15 words
The device defined in claim 5 wherein said battery is located adjacent to said clubhead.
Claim 9
Dependent Claim
14 words
The device defined in claim 4 wherein said device is formed of plastic material.
Claim 10
Dependent Claim
186 words
A method of teaching and practicing a proper golf swing comprising: (A) providing a device as defined in claim 1; (B) providing a swing track which includes a backswing path and a ball location indicating means; (C) addressing said ball location indicating means during a set-up phase of a golf swing; (D) executing a backswing phase of a golf swing; (E) tracing the backswing path in a first direction with the clubhead light beam during said backswing phase; (F) tracing the backswing path with the grip end light beam in the first direction during the backswing phase of the golf swing; (G) executing a downswing phase of the golf swing; (H) tracing the backswing path with the grip end light in a second direction that is opposite to the first direction during the downswing phase of the golf swing; (I) tracing the backswing path with the clubhead light in the second direction during the downswing phase of the golf swing; (J) maintaining the golfer's hands, arms and body connected and operating as a synchronized unit during the set-up, backswing and downswing phases of the golf swing.
Claim 11
Dependent Claim
16 words
The method defined in claim 9 further including providing a follow-through path in said swing track.
Claim 12
Dependent Claim
16 words
The method defined in claim 10 further including executing a follow-through phase of the golf swing.
Claim 13
Dependent Claim
30 words
The method defined in claim 11 further including maintaining the golfer's hands, arms and body connected and operating as a synchronized unit during said follow-through phase of the golf swing.
Claim 14
Dependent Claim
25 words
The method defined in claim 12 further including tracing the follow-through path with the grip end light during said followthrough phase of the golf swing.
Claim 15
Dependent Claim
17 words
The method defined in claim 12 further including providing a second follow-through path on the swing track.
Claim 16
Dependent Claim
25 words
The method defined in claim 14 further including tracing said second follow-through path with the clubhead light during said follow-through phase of the golf swing.
Claim 17
Dependent Claim
36 words
The method defined in claim 14 further including providing a third follow-through path on the swing track and tracing said third follow-through path with the grip end light during a follow-through phase of the golf swing.
Claim 18
Dependent Claim
59 words
The device defined in claim 1 wherein said grip end light and said clubhead light are independent of each other and each includes its own actuating means that is independent of the other actuating means, with each actuating means including a switch, a battery and means for connecting said switch, said battery and the associated one of said lights.
Claim 19
Dependent Claim
25 words
The device defined in claim 17 wherein said clubhead light and said grip end light are removably mounted on said shaft and said clubhead respectively.
Claim 20
Dependent Claim
17 words
The device defined in claim 17 wherein said grip end light battery is located near said grip.
References Cited (Backward Citations)
US2080608A
Cited
GB523707A
Cited
US3677553A
Cited
US3953034A
Cited
US4108441A
Cited
US4456257A
Cited
US4693479A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-03-26 | 1993-09-25 | 1994-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-03-26 | 1997-09-25 | 1998-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-03-26 | 2001-09-25 | 2002-03-27 | $7700.00 | Window Closed / Lapsed |