Patent US3762705A successfully refreshed from Google Patents.
US3762705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Batting practice device
Assignee: Individual
•
Filing: 1971-10-01
•
Granted: 1973-10-02
•
Expires: 1991-10-01
Abstract
Abstract A batting practice device includes a base having an electric motor mounted thereon and a shaft revolved by the electric motor extending vertically thereabove. An arm is secured to the shaft and extends radially outwardly therefrom and is adjustable on the shaft to raise or lower the outer end thereof. A bracket is journaled on the outer end of the arm about an axis lying substantially on a radius of a shaft on the base. A baseball is mounted on the bracket in a position to be struck by a baseball bat as the arm revolves about the base.
Inventors
- 👤 B Gonzalez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:50
CPC Classifications
A; A63; A63B; A63B69/00; A63B69/0073; A63B69/0091
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
132 words
A batting practice device comprising a base, a shaft journalled on said base for rotary movement about a vertical axis, an elongate slot extending through said shaft, a plate extending through said slot, means adjustably securing said plate to said shaft for adjustment about a transverse pivot, an elongate arm extending from said plate, an electric motor mounted on said base, means connecting said motor to said shaft for rotating said shaft and said arm, a generally U-shaped bracket having a baseball rigidly secured to one end thereof, a generally U-shaped support member rotatably mounted on the opposite end of said arm said bracket being pivotally mounted on said support member to permit said bracket and the attached baseball to rotate around said arm when the baseball is struck in batting practice.
Claim 2
Dependent Claim
132 words
A batting practice device comprising a base, a shaft journalled on said base for rotary movement about a vertical axis, an elongate slot extending through said shaft, a plate extending through said slot, means adjustably securing said plate to said shaft for adjustment about a transverse pivot, an elongate arm extending from said plate, an electric motor mounted on said base, means connecting said motor to said shaft for rotating said shaft and said arm, a generally U-shaped bracket having a baseball rigidly secured to one end thereof, a generally U-shaped support member rotatably mounted on the opposite end of said arm said bracket being pivotally mounted on said support member to permit said bracket and the attached baseball to rotate around said arm when the baseball is struck in batting practice.
Claim 3
Dependent Claim
42 words
A device as claimed in claim 1 wherein said U-shaped bracket has a pair of spaced parallel generally horizontal arms connected by a generally vertical bight with one of said arms supporting said baseball substantially longer than the other of said arms.
References Cited (Backward Citations)
US1091985A
Cited
US1862044A
Cited
US2162073A
Cited
US2641932A
Cited
US2652250A
Cited
US3637208A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-10-01 | 1977-04-02 | 1977-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-01 | 1981-04-02 | 1981-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-01 | 1985-04-02 | 1985-10-02 | $7700.00 | Window Closed / Lapsed |