Dental chuckless handpiece
US4941828A · kind A · utility
45Cited by
7References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 30, 1988 |
| Grant date | Jul 17, 1990 |
| Priority date | — |
| Expiry date | Jun 30, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C1/141
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A dental chuckless handpiece of the compressed air drive type includes a body having a head in which bearings are attached to the upper and lower portions of a shaft provided with a turbine impeller, and a rotary member fixedly provided to the lower end of the shaft is mounted in place through the upper and lower bearings. At least portions of the body excepting the head is formed of a synthetic resin discriminably colored with a color including transparent color.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.