CH624293A5 - - Google Patents

Download PDF

Info

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
Application number
CH246578A
Other languages
German (de)
English (en)
Inventor
Hiroshi Sugai
Shoji Nakayama
Original Assignee
Morita Mfg
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Morita Mfg filed Critical Morita Mfg
Publication of CH624293A5 publication Critical patent/CH624293A5/de

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
CH246578A 1977-03-08 1978-03-07 CH624293A5 (xx)

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 (xx) 1981-07-31

Family

ID=12174923

Family Applications (1)

Application Number Title Priority Date Filing Date
CH246578A CH624293A5 (xx) 1977-03-08 1978-03-07

Country Status (4)

Country Link
US (1) US4209293A (xx)
JP (1) JPS53110295A (xx)
CH (1) CH624293A5 (xx)
DE (1) DE2809539C2 (xx)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
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 (xx) * 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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
JPS5642940B2 (xx) 1981-10-08
US4209293A (en) 1980-06-24
DE2809539C2 (de) 1984-06-28
JPS53110295A (en) 1978-09-26
DE2809539A1 (de) 1978-09-14

Similar Documents

Publication Publication Date Title
DE3538599A1 (de) Schaufelhalterungseinrichtung
DE10233032A1 (de) Strömungsarbeitsmaschine mit integriertem Fluidzirkulationssystem
DE2854656A1 (de) Pumpe
DE2621485A1 (de) Pneumatischer lamellenmotor
DE7625941U1 (de) Rotorverdraengermaschine mit einer schnecke
DE4006604A1 (de) Vorrichtung zum fluidisieren, entgasen und pumpen einer zellulosefasermaterialsuspension
CH624293A5 (xx)
DE2460282A1 (de) Zentrifugalpumpe
EP0984138B1 (de) Strömungsmaschine mit gekühlter Rotorwelle
DE3233078C1 (de) Stroemungsmaschine
DE1453730C3 (de) Radialkreiselpumpenlaufrad
DE3327119A1 (de) Luftlageranordnung fuer ein zahnaerztliches handstueck
CH627360A5 (en) Dental handpiece
DE102010052892A1 (de) Lageranordnung für eine Welle eines Turbinenrades
DE2636524B2 (de) Verfahren zur Erhöhung des Strömungsmitteldruckes eines Diffusors
DE2412242C2 (de) Mantelstromtriebwerk
DE102013202174B4 (de) Zahnärztliches Präparationsinstrument mit einer druckluftbetriebenen Turbine
DE2434397C2 (de) Radialturbine
DE1161481B (de) Einrichtung zur Stabilisierung der Charakteristik von Kreiselradarbeitsmaschinen mit axialdurchstroemtem Laufrad
EP1577503B1 (de) Strömungsmaschine, Leitgitter und Montagering hierfür
DE3031686C2 (xx)
DE897470C (de) Laeufer fuer Schleuderverdichter mit diagonalem Stroemungsverlauf
DE2164067A1 (de) Hydrokinetische Vorrichtung, insbe sondere Dynammeter, Bremse oder Dreh momentswandler
DE102019103970A1 (de) Rotorpumpe
DE1043720B (de) Axiale Gasturbine mit Einrichtung zur Drehzahlbegrenzung

Legal Events

Date Code Title Description
PL Patent ceased