Releasable chucking device for a rotating medical or dental tool
US6227854A · kind A · utility
3Cited by
10References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 20, 1999 |
| Grant date | May 8, 2001 |
| Priority date | — |
| Expiry date | May 20, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C1/144
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A releasable chucking device for a rotating medical or dental tool includes a tool shaft with a chucking end, wherein the chucking end of the tool shaft has a flattened portion and an annular groove in the area of the flattened portion, wherein the chucking device further includes a holding member protruding radially inwardly into the annular groove during operation, and an additional frictionally engaging support of the tool, for example, by providing the sleeve surrounding the circular cylindrical portion of the tool shaft with a collet or to construct the sleeve as a collet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.