Dental handpiece
US4326846A · kind A · utility
9Cited by
8References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 25, 1980 |
| Grant date | Apr 27, 1982 |
| Priority date | — |
| Expiry date | Feb 25, 2000 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C1/05
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
This invention relates to a dental handpiece including turbine blades to be driven by a high-speed fluid under pressure to a turbine rotor chucking a cutting shaft, and blades are provided with openings or cutout portions located at both outside ends in a thrust direction of the blades so as to provide flange portions between the openings and the end portions of the blades and the peripheral width of the blades is larger than that of the high-speed fluid supply apperture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.