Title:
DENTAL TURBINE HANDPIECE
Document Type and Number:
Japanese Patent JP2020116162
Kind Code:
A
Abstract:
To provide a handpiece that can efficiently obtain a rotational driving force.SOLUTION: A dental handpiece comprises a grip serving as a part to be gripped by a user, a head 20 connected to a tip of the grip, and a rotor 160 comprised in the head. The rotor comprises a turbine 100 for obtaining rotation torque from supplied air. The head comprises an air supply hole 42 for supplying air to the turbine, a nozzle 13 for blowing air toward the turbine, and an exhaust hole 43 for exhausting air inside the head. The nozzle is provided in the air supply hole. The exhaust hole may be constituted so as to be arranged close to the nozzle.SELECTED DRAWING: Figure 2
Inventors:
INOUE YAMATO
Application Number:
JP2019010062A
Publication Date:
August 06, 2020
Filing Date:
January 24, 2019
Export Citation:
Assignee:
NAKANISHI & CO LTD
International Classes:
A61C1/05; A61C1/12
Domestic Patent References:
| JPH07328030A | 1995-12-19 |
Foreign References:
| DE2852576A1 | 1979-06-07 | |||
| US5538425A | 1996-07-23 | |||
| DE102010015614A1 | 2011-10-20 | |||
| US5425638A | 1995-06-20 |