US4815735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pitching machine
Assignee: Individual
•
Filing: 1982-09-24
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Granted: 1989-03-28
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Expires: 2002-09-24
Abstract
Abstract A tethered ball baseball pitching practice apparatus whereby the apparatus is comprised of a support base having a rotatable, vertically extending post attached thereto. Attached to the upper end of the post is one end of an elongated horizontally extending arm. The free end of the horizontal arm has attached thereto a semi-rigid arm. A ball is attached to a free end of the semi-rigid arm. The arm is provided with spring elements to dampen oscillation of the ball after being struck by a batter.
Inventors
- 👤 Carl O. McClenny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:25
CPC Classifications
A; A63; A63B; A63B69/00; A63B69/0073; A63B69/0091
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
82 words
A pitching machine for batting practice comprising: a base member; a post member rotatably affixed to said base member and essentially perpendicular thereto; an arm member affixed to said post member at essentially a right angle thereto and rotatable therewith and wherein said arm member is terminated at its free end by a semi-rigid tether; a ball fixedly attached to the free end of said semi-rigid tether; means for rotating said post member; and means for damping the oscillations of said ball.
Claim 2
Dependent Claim
82 words
A pitching machine for batting practice comprising: a base member; a post member rotatably affixed to said base member and essentially perpendicular thereto; an arm member affixed to said post member at essentially a right angle thereto and rotatable therewith and wherein said arm member is terminated at its free end by a semi-rigid tether; a ball fixedly attached to the free end of said semi-rigid tether; means for rotating said post member; and means for damping the oscillations of said ball.
Claim 3
Dependent Claim
29 words
The apparatus of claim 1 further including means for increasing and decreasing the length of said arm member thereby varying the distance from said ball to said post member.
Claim 4
Dependent Claim
26 words
The apparatus of claim 1 further including means for raising and lowering said arm member thereby varying the height of said ball above said base member.
References Cited (Backward Citations)
CA712035A
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US2058277A
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US2818255A
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US3333847A
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US3408070A
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US3588104A
Cited
US3547437A
Cited
US3637208A
Cited
US3799105A
Cited
US3885790A
Cited
US3942794A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-03-27 | 1992-09-26 | 1993-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-03-27 | 1996-09-26 | 1997-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-03-27 | 2000-09-26 | 2001-03-28 | $7700.00 | Window Closed / Lapsed |