Racket string clamp
US4333649A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 1, 1980 |
| Grant date | Jun 8, 1982 |
| Priority date | — |
| Expiry date | Oct 1, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/7052
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A racket string clamp including a plurality of wedges for being inserted into a hole extended through a game ball racket frame and for being wedged between the end portion of a game ball string and the surface of the racket frame defining the hole to secure the end portion of the string to the racket frame, and further including handle means including a plurality of handle members equal in number to the wedges and formed integrally therewith and for maintaining the wedges in a predetermined relationship with respect to each other, the wedges and handle means having inner surfaces providing in combination a passageway for receiving the string, the rearward portions of the handle members being formed integrally to provide a pivot about which the handle members and wedges pivot away from and toward each other in tweezer-like action, upon the handle members and wedges pivoting away from each other, the string is provided access to the passageway and upon the string being received within the passageway the handle members and wedges pivot toward each other to align the inner surfaces of the wedges and handle members with the string received within the passageway, and the handle means for…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.