US4830371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball hitting practice device
Assignee: GRAND SLAM Inc A CORP OF UT
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Filing: 1987-03-26
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Granted: 1989-05-16
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Expires: 2007-03-26
Abstract
Abstract A new type of baseball and softball practice hitting device which is easily adjusted for use in training young ball players comprising a planar base to which is attached vertical sections, the top end of the pedistal being fixedly attached to a baseball or softball, and the bottom end of said vertical pedistal being fixedly attached to a coil spring which in turn is attached to a pivoting member which permits the pedistal to be inclined to the side, back or front depending on the desired position of the ball and then locked in place.
Inventors
- 👤 William C. Lay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:40
CPC Classifications
A; A63; A63B; A63B69/00; A63B69/0073; A63B69/0091
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
119 words
A ball hitting practice device comprising in combination: a. a planar base adapted to being secured to a solid surface, and b. a vertical pedistal fixedly attached to the top surface of said base, said pedistal having a ball fixedly attached to the upper end thereof and having the bottom end thereof being fixedly attached to an elongated coil spring permitting the said vertical pedistal to bend when the ball is hit, pivoting means fixedly attached to the other end of the coil spring and to the surface of the planar base, said pivoting means permitting said vertical pedistal to be inclined to the side, front or back and then fixedly located in a desired position by locking means.
Claim 2
Dependent Claim
119 words
A ball hitting practice device comprising in combination: a. a planar base adapted to being secured to a solid surface, and b. a vertical pedistal fixedly attached to the top surface of said base, said pedistal having a ball fixedly attached to the upper end thereof and having the bottom end thereof being fixedly attached to an elongated coil spring permitting the said vertical pedistal to bend when the ball is hit, pivoting means fixedly attached to the other end of the coil spring and to the surface of the planar base, said pivoting means permitting said vertical pedistal to be inclined to the side, front or back and then fixedly located in a desired position by locking means.
Claim 3
Dependent Claim
25 words
An adjustable ball hitting practice device as in claim 1 wherein the ball attached to the upper end of the vertical pedistal is a baseball.
Claim 4
Dependent Claim
25 words
An adjustable ball hitting practice device as in claim 1 wherein the ball attached to the upper end of the vertical pedistal is a softball.
Claim 5
Dependent Claim
179 words
An adjustable ball hitting practice device comprising in combination: a. a planar base adapted to being secured to a solid surface, and b. a vertical pedistal fixedly attached to the top surface of said base, said pedistal comprising a first vertically extending resilient member having a ball fixedly attached to one end thereof and having its other end fitting into the upper end of a second vertically extending resilient tubular member in telescopic manner so as to permit said first resilient member to be adjusted up and down, locking means to secure said first resilient member in a desired position, an elongated coil spring having one of its ends fixedly attached to the bottom end of said second resilient member permitting the entire vertical pedistal to bend when the ball is hit, pivoting means fixedly attached to the other end of the coil spring and to the surface of the planar base, said pivoting means permitting said vertical pedistal to be inclined to the side, front or back and then fixedly located in a desired position by locking means.
Claim 6
Dependent Claim
179 words
An adjustable ball hitting practice device comprising in combination: a. a planar base adapted to being secured to a solid surface, and b. a vertical pedistal fixedly attached to the top surface of said base, said pedistal comprising a first vertically extending resilient member having a ball fixedly attached to one end thereof and having its other end fitting into the upper end of a second vertically extending resilient tubular member in telescopic manner so as to permit said first resilient member to be adjusted up and down, locking means to secure said first resilient member in a desired position, an elongated coil spring having one of its ends fixedly attached to the bottom end of said second resilient member permitting the entire vertical pedistal to bend when the ball is hit, pivoting means fixedly attached to the other end of the coil spring and to the surface of the planar base, said pivoting means permitting said vertical pedistal to be inclined to the side, front or back and then fixedly located in a desired position by locking means.
Claim 7
Dependent Claim
30 words
An adjustable ball hitting practice device as in claim 2 wherein the ball is attached to an elongated rubber member which in turn is attached to the first resilient member.
Claim 8
Dependent Claim
37 words
An adjustable ball hitting practice device as in claim 2 wherein weight extension holders are attached to each side of the planar base and weights placed thereon to permit the practice hitting device to be placed indoors.
Claim 9
Dependent Claim
33 words
An adjustable ball hitting practice device as in claim 2 wherein the planar base possesses holes to permit metal stakes to be placed therein to secure the plate to the desired outdoor surface.
Claim 10
Dependent Claim
31 words
An adjustable ball hitting practice device as in claim 2 wherein the first and second resilient members are prepared from fiber glass and the planar base is prepared from hard rubber.
Claim 11
Dependent Claim
19 words
An adjustable ball hitting device as in claim 4 wherein said locking means is said locking a lock nut.
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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) | 1992-05-15 | 1992-11-14 | 1993-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-05-15 | 1996-11-14 | 1997-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-05-15 | 2000-11-14 | 2001-05-16 | $7700.00 | Window Closed / Lapsed |