Arm control device for athlete
US4333647A · kind A · utility
Inventor
Key dates
| Filing date | Apr 22, 1980 |
| Grant date | Jun 8, 1982 |
| Priority date | — |
| Expiry date | Apr 22, 2000 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B69/0046
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An athletic hand movement restricting device intended for attachment to the forearm and wrist of a bowler. The intent of the device is to restrict the said bowler's hand from rotating inwardly over on top of the bowling ball into an undesireable release position, and when the said device is secured into position on the said bowler's forearm and wrist, the said device restricts the said bowler's hand from rotating inwardly past a pre-selected position, but will allow a full unrestricted rotation of the said bowler's hand in an outwardly direction. The amount of restriction can be increased by the said bowler, previous to the said bowler's turn to play, through the use of a movable adjustment means. The said bowler's wrist is free to flex in all four planes while the said device is in position and while the said device is in use. The said device comprises two adjustable means; a wrist means and a forearm means, which secure a hinged plate assembly to the said bowler's forearm and wrist in a manner that will allow the said bowler's hand to rotate outwardly to an open position, but the said device will restrict the said bowler's hand from rotating inwardly into an incorrect closed posi…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.