CH624293A5 - - Google Patents
Download PDFInfo
- Publication number
- CH624293A5 CH624293A5 CH246578A CH246578A CH624293A5 CH 624293 A5 CH624293 A5 CH 624293A5 CH 246578 A CH246578 A CH 246578A CH 246578 A CH246578 A CH 246578A CH 624293 A5 CH624293 A5 CH 624293A5
- Authority
- CH
- Switzerland
- Prior art keywords
- dental handpiece
- pressure
- openings
- bearing
- handpiece according
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
- A61C1/02—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design characterised by the drive of the dental tools
- A61C1/05—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design characterised by the drive of the dental tools with turbine drive
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
- A61C1/08—Machine parts specially adapted for dentistry
- A61C1/18—Flexible shafts; Clutches or the like; Bearings or lubricating arrangements; Drives or transmissions
- A61C1/181—Bearings or lubricating arrangements, e.g. air-cushion bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2316/00—Apparatus in health or amusement
- F16C2316/10—Apparatus in health or amusement in medical appliances, e.g. in diagnosis, dentistry, instruments, prostheses, medical imaging appliances
- F16C2316/13—Dental machines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
- F16C32/0603—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a gas cushion, e.g. an air cushion
- F16C32/0614—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a gas cushion, e.g. an air cushion the gas being supplied under pressure, e.g. aerostatic bearings
Landscapes
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2576577A JPS53110295A (en) | 1977-03-08 | 1977-03-08 | Driving mechanism of air bearing hand piece for dental surgery |
Publications (1)
Publication Number | Publication Date |
---|---|
CH624293A5 true CH624293A5 (fr) | 1981-07-31 |
Family
ID=12174923
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH246578A CH624293A5 (fr) | 1977-03-08 | 1978-03-07 |
Country Status (4)
Country | Link |
---|---|
US (1) | US4209293A (fr) |
JP (1) | JPS53110295A (fr) |
CH (1) | CH624293A5 (fr) |
DE (1) | DE2809539C2 (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53123596A (en) * | 1977-04-01 | 1978-10-28 | Morita Mfg | Turbine blade for handpiece for dental surgery |
JPS5736177Y2 (fr) * | 1978-02-16 | 1982-08-10 | ||
JPS6022933B2 (ja) * | 1982-06-21 | 1985-06-05 | 株式会社モリタ製作所 | 歯科用ハンドピ−スの駆動方法並びにその装置 |
JPS5922542A (ja) * | 1982-07-28 | 1984-02-04 | 株式会社モリタ製作所 | 歯科用ハンドピ−スの空気軸受機構 |
US5202633A (en) * | 1990-11-01 | 1993-04-13 | Doty Scientific, Inc. | High temperature nmr sample spinner |
US5425638A (en) * | 1993-06-10 | 1995-06-20 | Abbott; Phillip G. | Turbine for a dental handpiece |
TWM303003U (en) * | 2006-05-05 | 2006-12-21 | Shih-Chun Wang | Improved structure of fan of dental machine |
US8733069B2 (en) * | 2009-02-26 | 2014-05-27 | J. Lieb Foods, Inc. | Multi-pack packaging system |
US8562343B2 (en) * | 2010-06-11 | 2013-10-22 | Allan Magneson | Fluid driven dental handpiece with hydrostatic bearings |
CN108895086B (zh) * | 2018-09-20 | 2019-10-01 | 燕山大学 | 一种带有金属橡胶环的空气静压轴承 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3055112A (en) * | 1959-07-28 | 1962-09-25 | John V Borden | Stabilized turbine for dental handpiece |
DE1277516B (de) * | 1966-03-29 | 1968-09-12 | Siemens Ag | Zahnaerztliches Handstueck mit Druckluftturbinenmotor |
GB1189884A (en) * | 1967-01-25 | 1970-04-29 | Morita Mfg | A Dental Handpiece |
US3408043A (en) * | 1967-04-03 | 1968-10-29 | Power Brake Equipment Company | Pneumatic motor |
US3962789A (en) * | 1974-04-08 | 1976-06-15 | Flatland Lloyd P | Dental handpiece |
-
1977
- 1977-03-08 JP JP2576577A patent/JPS53110295A/ja active Granted
-
1978
- 1978-03-06 DE DE2809539A patent/DE2809539C2/de not_active Expired
- 1978-03-07 CH CH246578A patent/CH624293A5/de not_active IP Right Cessation
- 1978-03-08 US US05/884,596 patent/US4209293A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4209293A (en) | 1980-06-24 |
JPS53110295A (en) | 1978-09-26 |
DE2809539A1 (de) | 1978-09-14 |
JPS5642940B2 (fr) | 1981-10-08 |
DE2809539C2 (de) | 1984-06-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |