Drive system for dental handpiece
US6425761B1 · kind B1 · utility
27Cited by
2References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 22, 2000 |
| Grant date | Jul 30, 2002 |
| Priority date | — |
| Expiry date | Dec 22, 2020 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C2316/13
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A drive system for dental handpieces, having a rotor (12) secured to a motor shaft (11), an anti-friction bearing system (13, 14), including an inner bearing race (17), an outer bearing race (18) and a plurality of rolling elements (19) arranged between the bearing races, and a coupling element (16) for coupling thereto a dental instrument (1) that is to be driven, the rolling elements consisting of a non-electroconductive material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.