JP2009066423A - 転がり軸受 - Google Patents
転がり軸受 Download PDFInfo
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- JP2009066423A JP2009066423A JP2008282972A JP2008282972A JP2009066423A JP 2009066423 A JP2009066423 A JP 2009066423A JP 2008282972 A JP2008282972 A JP 2008282972A JP 2008282972 A JP2008282972 A JP 2008282972A JP 2009066423 A JP2009066423 A JP 2009066423A
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- handpiece
- rolling bearing
- bearing
- sleeve
- drive shaft
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- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
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- 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
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- 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
- A61C1/06—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 electric drive
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- 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
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- 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
- A61C1/185—Drives or transmissions
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
- A61C13/225—Fastening prostheses in the mouth
- A61C13/235—Magnetic fastening
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/06—Adaptations for driving, or combinations with, hand-held tools or the like control thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
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- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/18—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
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- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/18—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
- F16C19/181—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact
- F16C19/183—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles
- F16C19/184—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles in O-arrangement
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- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/18—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
- F16C19/188—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with at least one row for radial load in combination with at least one row for axial load
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- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
- F16C19/541—Systems consisting of juxtaposed rolling bearings including at least one angular contact bearing
- F16C19/542—Systems consisting of juxtaposed rolling bearings including at least one angular contact bearing with two rolling bearings with angular contact
- F16C19/543—Systems consisting of juxtaposed rolling bearings including at least one angular contact bearing with two rolling bearings with angular contact in O-arrangement
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- 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
- F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
- F16C27/06—Elastic or yielding bearings or bearing supports, for exclusively rotary movement by means of parts of rubber or like materials
- F16C27/066—Ball or roller bearings
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- 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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/303—Parts of ball or roller bearings of hybrid bearings, e.g. rolling bearings with steel races and ceramic rolling elements
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- 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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/32—Balls
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- 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
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/061—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing mounting a plurality of bearings side by side
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- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
- F16F1/373—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by having a particular shape
- F16F1/3732—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by having a particular shape having an annular or the like shape, e.g. grommet-type resilient mountings
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- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
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- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
- F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
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- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/16—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls
- F16C19/163—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls with angular contact
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- 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
- F16C2206/00—Materials with ceramics, cermets, hard carbon or similar non-metallic hard materials as main constituents
- F16C2206/40—Ceramics, e.g. carbides, nitrides, oxides, borides of a metal
- F16C2206/42—Ceramics, e.g. carbides, nitrides, oxides, borides of a metal based on ceramic oxides
- F16C2206/48—Ceramics, e.g. carbides, nitrides, oxides, borides of a metal based on ceramic oxides based on zirconia (ZrO2)
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- 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
- F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
- F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
- F16C2240/70—Diameters; Radii
- F16C2240/76—Osculation, i.e. relation between radii of balls and raceway groove
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- 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
- F16C2300/00—Application independent of particular apparatuses
- F16C2300/10—Application independent of particular apparatuses related to size
- F16C2300/12—Small applications, e.g. miniature bearings
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- 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
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- 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
- F16C2360/00—Engines or pumps
- F16C2360/44—Centrifugal pumps
- F16C2360/45—Turbo-molecular pumps
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- 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
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/07—Fixing them on the shaft or housing with interposition of an element
- F16C35/077—Fixing them on the shaft or housing with interposition of an element between housing and outer race ring
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Epidemiology (AREA)
- Dentistry (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Ceramic Engineering (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Rolling Contact Bearings (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Dental Preparations (AREA)
Abstract
【解決手段】医療用または歯科用ハンドピース(3)用であって、外側及び内側軌道輪(23、25)間にころ(22)を、軌道(22a)内に配置して有する転がり軸受(21)、特に小型転がり軸受であって、前記内側軌道輪(25)及び/または前記外側軌道輪(23)の端面に、それぞれ半径方向外向きまたは半径方向内向きに延出するフランジ(23c)及び/またはフランジ(25c)が設けられており、一方のころ列の前記ころ(22)は、一方の軌道輪の前記フランジ(23c)またはフランジ(25c)と他方の軌道輪の軸方向に向き合った位置の端面との間に配置されていることを特徴とする。
【選択図】 図1
Description
6 器具
12 回転部材
13a 後側シャフト部分
13b 前側シャフト部分
15 タービンホイール
15a タービンロータ
18 収容スリーブ
21;21a;21b 転がり軸受
22 ころ
22a 軌道
23 外側軌道輪
23a;23b リング部材
23c フランジ
25 内側軌道輪
25c フランジ
33a 後側駆動軸部分
33b 中間駆動軸部分
33c 前側駆動軸部分
34 中空歯車
38 円錐歯車
39 円錐歯車
44 軸受胴部
Claims (1)
- 医療用または歯科用ハンドピース(3)用であって、外側及び内側軌道輪(23、25)間にころ(22)を、軌道(22a)内に配置して有する転がり軸受(21)、特に小型転がり軸受であって、
前記内側軌道輪(25)及び/または前記外側軌道輪(23)の端面に、それぞれ半径方向外向きまたは半径方向内向きに延出するフランジ(23c)及び/またはフランジ(25c)が設けられており、
一方のころ列の前記ころ(22)は、一方の軌道輪の前記フランジ(23c)またはフランジ(25c)と他方の軌道輪の軸方向に向き合った位置の端面との間に配置されていることを特徴とする転がり軸受。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01120523.4 | 2001-08-28 | ||
EP01120523A EP1208809B1 (de) | 2001-08-28 | 2001-08-28 | Medizinisches oder dentalmedizinisches Handstück mit wenigstens einem Drehteil |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003524465A Division JP4311642B2 (ja) | 2001-08-28 | 2002-08-28 | 少なくとも1つの回転部材を有する医療用または歯科用ハンドピース |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009066423A true JP2009066423A (ja) | 2009-04-02 |
JP4772849B2 JP4772849B2 (ja) | 2011-09-14 |
Family
ID=8178442
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003524465A Expired - Fee Related JP4311642B2 (ja) | 2001-08-28 | 2002-08-28 | 少なくとも1つの回転部材を有する医療用または歯科用ハンドピース |
JP2008282972A Expired - Fee Related JP4772849B2 (ja) | 2001-08-28 | 2008-11-04 | 転がり軸受 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003524465A Expired - Fee Related JP4311642B2 (ja) | 2001-08-28 | 2002-08-28 | 少なくとも1つの回転部材を有する医療用または歯科用ハンドピース |
Country Status (7)
Country | Link |
---|---|
US (1) | US7217129B2 (ja) |
EP (4) | EP1208809B1 (ja) |
JP (2) | JP4311642B2 (ja) |
AT (3) | ATE496229T1 (ja) |
BR (1) | BR0205950B1 (ja) |
DE (4) | DE50115784D1 (ja) |
WO (2) | WO2003020101A2 (ja) |
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JP2015006488A (ja) * | 2014-09-30 | 2015-01-15 | 株式会社モリタ製作所 | 医科歯科用ハンドピース |
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JP2006000353A (ja) * | 2004-06-17 | 2006-01-05 | Matsumoto Shika Univ | 歯牙切削研磨装置 |
JP4929582B2 (ja) * | 2004-11-02 | 2012-05-09 | 日本精工株式会社 | 転がり軸受 |
JP4929583B2 (ja) * | 2004-11-04 | 2012-05-09 | 日本精工株式会社 | 転がり軸受 |
US7686614B2 (en) * | 2006-05-26 | 2010-03-30 | Dentsply International Inc. | Dental handpiece drive train with non-intersecting axes |
DE102008013851B4 (de) | 2008-03-12 | 2011-09-22 | Scican Medtech Ag | Dentalmedizinisches Handstück |
DE102010011630A1 (de) | 2010-03-16 | 2011-09-22 | Eugen Elbofner | Dentalmedizinisches Handstück |
JP5645447B2 (ja) * | 2010-04-09 | 2014-12-24 | 株式会社モリタ製作所 | 医科歯科用ハンドピース |
JP2012157460A (ja) * | 2011-01-31 | 2012-08-23 | Nakanishi:Kk | 歯科用ハンドピース |
DE102011075670A1 (de) * | 2011-05-11 | 2012-11-15 | Kaltenbach & Voigt Gmbh | Zahnärztliches Handinstrument mit länglicher Griffhülse |
JP6287323B2 (ja) * | 2013-09-24 | 2018-03-07 | 日本精工株式会社 | 歯科エアタービン用軸受ユニット及び歯科エアタービン |
CN111503160B (zh) * | 2014-12-25 | 2022-03-15 | 日本精工株式会社 | 空气涡轮用滚动轴承 |
EP3616645B1 (de) * | 2018-08-29 | 2021-08-04 | KaVo Dental GmbH | Dentales chirurgiehandstück zur übertragung hoher drehmomente auf ein werkzeug |
JP1641370S (ja) * | 2019-03-01 | 2019-09-17 | ||
DE102019129940A1 (de) * | 2019-11-06 | 2021-05-06 | Gebr. Reinfurt Gmbh & Co. Kg | Dentalhandstück |
CN112754687B (zh) * | 2020-12-30 | 2022-07-12 | 余礼建 | 一种可旋转牙科手机 |
DE102021204812A1 (de) * | 2021-05-12 | 2022-11-17 | Minebea Mitsumi Inc. | Kopflagerbaugruppe für ein dentalmedizinisches oder chirurgisches Handstück und dentalmedizinisches oder chirurgisches Handstück mit einer solchen Kopflagerbaugruppe |
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- 2001-08-28 AT AT06023741T patent/ATE496229T1/de active
- 2001-08-28 DE DE50115784T patent/DE50115784D1/de not_active Expired - Lifetime
- 2001-08-28 EP EP01120523A patent/EP1208809B1/de not_active Expired - Lifetime
- 2001-08-28 AT AT01120523T patent/ATE346559T1/de active
- 2001-08-28 EP EP06023741A patent/EP1779803B1/de not_active Expired - Lifetime
- 2001-08-28 EP EP10168142A patent/EP2228030A1/de not_active Withdrawn
- 2001-08-28 DE DE50111537T patent/DE50111537D1/de not_active Expired - Lifetime
-
2002
- 2002-02-28 DE DE10208691A patent/DE10208691A1/de not_active Withdrawn
- 2002-08-09 WO PCT/EP2002/008934 patent/WO2003020101A2/de unknown
- 2002-08-28 BR BRPI0205950-9A patent/BR0205950B1/pt not_active IP Right Cessation
- 2002-08-28 DE DE50211526T patent/DE50211526D1/de not_active Expired - Lifetime
- 2002-08-28 EP EP02772218A patent/EP1420711B1/de not_active Expired - Lifetime
- 2002-08-28 WO PCT/EP2002/009603 patent/WO2003020151A1/de active IP Right Grant
- 2002-08-28 JP JP2003524465A patent/JP4311642B2/ja not_active Expired - Fee Related
- 2002-08-28 AT AT02772218T patent/ATE383121T1/de active
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2003
- 2003-04-28 US US10/428,058 patent/US7217129B2/en not_active Expired - Fee Related
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2008
- 2008-11-04 JP JP2008282972A patent/JP4772849B2/ja not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
---|---|
JP4772849B2 (ja) | 2011-09-14 |
BR0205950B1 (pt) | 2012-06-26 |
EP1208809A2 (de) | 2002-05-29 |
ATE346559T1 (de) | 2006-12-15 |
EP1420711B1 (de) | 2008-01-09 |
DE10208691A1 (de) | 2003-03-20 |
DE50211526D1 (de) | 2008-02-21 |
DE50115784D1 (de) | 2011-03-03 |
EP1779803B1 (de) | 2011-01-19 |
WO2003020151A1 (de) | 2003-03-13 |
JP4311642B2 (ja) | 2009-08-12 |
EP1208809A3 (de) | 2003-05-14 |
EP1779803A1 (de) | 2007-05-02 |
ATE496229T1 (de) | 2011-02-15 |
EP1420711A1 (de) | 2004-05-26 |
US20030207233A1 (en) | 2003-11-06 |
WO2003020101A2 (de) | 2003-03-13 |
EP1779803A3 (de) | 2009-04-29 |
US7217129B2 (en) | 2007-05-15 |
DE50111537D1 (de) | 2007-01-11 |
BR0205950A (pt) | 2003-12-23 |
EP1208809B1 (de) | 2006-11-29 |
JP2005501599A (ja) | 2005-01-20 |
EP2228030A1 (de) | 2010-09-15 |
ATE383121T1 (de) | 2008-01-15 |
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