Baseball bat practice device
US5653440A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 11, 1995 |
| Grant date | Aug 5, 1997 |
| Priority date | — |
| Expiry date | Sep 11, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B2208/12
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A baseball bat practice device is provided for connection to a baseball bat with a knob at one end. The device includes a weight sized for positioning in co-axial assembly with the knob of the baseball bat. A plate member having an axial bore is provided. A bolt threadingly engages the bore of the plate member. A pair of annular members are attached to the plate member with the annular members extending away from the plate member in a crossed pattern and being positioned in engagement with axially facing surface areas of said knob of the baseball bat. The weight being removably connected to the bolt so that a user may selectively practice with a weight having a desired mass. The bolt, when rotated, exerting a pulling force against the pair of annular members engaged against the axially facing surface areas of the knob to hold the baseball batting training device in fixed engagement with the knob of said baseball bat.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.