Swivel coupling for illuminated dental handpiece
US4600384A · kind A · utility
7Cited by
6References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 28, 1984 |
| Grant date | Jul 15, 1986 |
| Priority date | — |
| Expiry date | Sep 28, 2004 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C1/18
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A swivel coupling for connection between a dental handpiece and a supply hose. The coupling includes a lamp in its handpiece connector portion, and an annular commutator in its hose connector portion. The lamp base is in sliding contact with the commutator to permit swiveling of handpiece portion relative to hose portion. Exhaust air from the handpiece turbine meter passes over and around the lamp and its surrounding structure for heat removal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.