Dental handpiece
US4211009A · kind A · utility
11Cited by
3References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 5, 1978 |
| Grant date | Jul 8, 1980 |
| Priority date | — |
| Expiry date | Jan 5, 1998 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C1/18
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A dental handpiece comprises a rear portion or handle and a front portion or head which are coupled by means of a female member secured to one portion and a male member secured to the other portion, the female member having formed therein a longitudinal slot and a recess shifted angularly in relation to the slot, the male member comprising a projection, one member comprising an elastically deformable portion whereby rotating one member in relation to the other through a predetermined angle permits introducing said projection into the recess, the projection being allowed to expand therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.