Baseball batting training device
Abstract
Abstract A BASEBALL-TRAINING DEVICE FOR USE IN INCREASING THE PROFICIENCY OF A BATTER TO HIT DIFFERENT TYPES OF PITCHED BALLS. A FIRST EMBODIMENT OF THE APPARATUS INCLUDES A CONVENTIONAL CORK CENTER BASEBALL HAVING A HOLE DRILLED A PORTION OF THE WAY THERETHROUGH AND A CORD GLUED THEREIN AT ONE OF ITS ENDS AND ATTACHED TO A HANDLE AT THE OTHER OF ITS ENDS. A SECOND EMBODIMENT OF THE INVENTION COMPRISES A BASEBALL WITH A HOLE THEREIN AND A CORD GLUED IN THE HOLE, THE CORD BEING ATTACHED TO A BOOM ROTATABLE ABOUT A FIXED CENTER. THE BOOM IS ROTATABLY DRIVEN BY A VARIABLE SPEED DRIVE MECHANISM AND IS CONNECTED THERETO THROUGH A SLIP CLUTCH ARRANGEMENT. THE RADIUS BETWEEN THE BALL AND THE ROTATIONAL CENTER OF THE BOOM MAY BE SELECTIVELY VARIED TO CHANGE THE TYPE OF PITCH AS THE BALL PASSES THE BATTER AND THE BOOM MAY BE RAISED OR LOWERED TO SELECTIVELY CHANGE THE HEIGHT OF THE PITCH AS IT PASSES THE BATTER. THE RADIUS AND HEIGHT IS VARIED BY CONVENTIONAL FLUID CYLINDERS.
Inventors
- 👤 Billy J Griffin
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |