JP5318535B2 - 固定式等速自在継手及びその製造方法並びにこの固定式等速自在継手を用いた駆動車輪用軸受ユニット - Google Patents
固定式等速自在継手及びその製造方法並びにこの固定式等速自在継手を用いた駆動車輪用軸受ユニット Download PDFInfo
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
- F16D1/076—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end by clamping together two faces perpendicular to the axis of rotation, e.g. with bolted flanges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/0005—Hubs with ball bearings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
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- B60B27/0015—Hubs for driven wheels
- B60B27/0021—Hubs for driven wheels characterised by torque transmission means from drive axle
- B60B27/0026—Hubs for driven wheels characterised by torque transmission means from drive axle of the radial type, e.g. splined key
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
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- B60B27/0036—Hubs for driven wheels comprising homokinetic joints
- B60B27/0042—Hubs for driven wheels comprising homokinetic joints characterised by the fixation of the homokinetic joint to the hub
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60B27/0084—Hubs characterised by the fixation of bearings caulking to fix inner race
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- 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
- F16C35/063—Fixing them on the shaft
- F16C35/0635—Fixing them on the shaft the bore of the inner ring being of special non-cylindrical shape which co-operates with a complementary shape on the shaft, e.g. teeth, polygonal sections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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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
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- F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
- F16D3/224—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines in each coupling part lying on a sphere
- F16D3/2245—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines in each coupling part lying on a sphere where the groove centres are offset from the joint centre
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/10—Quick-acting couplings in which the parts are connected by simply bringing them together axially
- F16D2001/103—Quick-acting couplings in which the parts are connected by simply bringing them together axially the torque is transmitted via splined connections
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
- F16D2003/22309—Details of grooves
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
- F16D2003/22326—Attachments to the outer joint member, i.e. attachments to the exterior of the outer joint member or to the shaft of the outer joint member
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2250/00—Manufacturing; Assembly
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2300/00—Special features for couplings or clutches
- F16D2300/10—Surface characteristics; Details related to material surfaces
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2300/00—Special features for couplings or clutches
- F16D2300/12—Mounting or assembling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
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- Y10T29/49636—Process for making bearing or component thereof
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- Y10T29/49679—Anti-friction bearing or component thereof
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49636—Process for making bearing or component thereof
- Y10T29/49696—Mounting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Forging (AREA)
- Rolling Contact Bearings (AREA)
Description
11a 凸部
12 トラック溝
12a 切欠アール部(トラック入口チャンファ)
12b 入口チャンファ
12c トラックチャンファ
12d スリット溝
13 ブーツ取り付け用凹溝
14 内球面
16 マウス部
18 ステム部
20 内側継手部材(内輪)
22 トラック溝
22a トラック入口チャンファ
22c トラックチャンファ
23 継手開口側端面
24 外球面
24a 逃がし部
25 段差部
26 軸孔
27 凹端面
30 ボール
40 ケージ
100 車輪用軸受
110 ハブ輪
115a 凹部
φ オフセット角
α ボール接触角
β 球面角
Claims (19)
- 一端が開口したカップ状をなし、軸方向に延びる複数のトラック溝が内球面に形成された外側継手部材と、その外側継手部材の前記トラック溝と対をなして軸方向に延びる複数のトラック溝が外球面に形成された内側継手部材と、前記外側継手部材のトラック溝と前記内側継手部材のトラック溝との間に介在してトルクを伝達する複数のボールと、前記外側継手部材の内球面と前記内側継手部材の外球面との間に介在して前記ボールを保持するケージとを備え、前記外側継手部材のトラック溝あるいは前記内側継手部材のトラック溝の少なくとも一方を冷間鍛造仕上げにより形成した固定式等速自在継手であって、
前記外側継手部材、内側継手部材、ボールおよびケージからなる構成要素を、PCD別にランク分けせずに任意に選択された前記外側継手部材および内側継手部材に対してその外側継手部材および内側継手部材の各PCD測定値に適合するボール外径別ランクのボールおよびその外径に合致したポケット幅を有するケージを選択するマッチングで組み付けたことを特徴とする固定式等速自在継手。 - 前記外側継手部材のトラック溝および前記内側継手部材のトラック溝の横断面形状を、前記ボールとアンギュラ接触するゴシックアーチ形状とし、その接触角を35°〜45°とした請求項1に記載の固定式等速自在継手。
- 前記外側継手部材のトラック溝の開口端あるいは前記内側継手部材のトラック溝の開口端の少なくとも一方において、少なくともボール接触点対応部位に切欠アール部を設けた請求項1又は2に記載の固定式等速自在継手。
- 前記外側継手部材のトラック溝と前記切欠アール部とを同時冷間鍛造仕上げにより形成した請求項1〜3のいずれか一項に記載の固定式等速自在継手。
- 前記外側継手部材の開口縁全周に沿って形成された入口チャンファと、内球面と前記トラック溝との境界部に沿って形成されたトラックチャンファと、前記トラック溝と入口チャンファとの境界部に沿って形成されたトラック入口チャンファとを冷間鍛造仕上げにより形成すると共に、前記外側継手部材の開口端外周面に形成されたブーツ取り付け用凹溝を除く部位を冷間鍛造仕上げにより形成した請求項1〜4のいずれか一項に記載の固定式等速自在継手。
- 前記外側継手部材のトラック溝と前記トラック入口チャンファとを同時冷間鍛造仕上げにより形成した請求項1〜5のいずれか一項に記載の固定式等速自在継手。
- 前記外側継手部材の内球面とトラック溝との境界部に沿って形成されたトラックチャンファ、および前記内側継手部材の外球面とトラック溝との境界部に沿って形成されたトラックチャンファをR形状とした請求項1〜6のいずれか一項に記載の固定式等速自在継手。
- 前記外側継手部材のトラック溝と前記トラックチャンファ、および前記内側継手部材のトラック溝と前記トラックチャンファを同時冷間鍛造仕上げにより形成した請求項1〜7のいずれか一項に記載の固定式等速自在継手。
- 前記外側継手部材の内球面で周方向に隣接するトラック溝間に軸方向に延びるスリット溝を形成し、その周方向に隣接するトラック溝間における内球面の最大幅寸法に対して、前記スリット溝の幅寸法を5%〜30%とした請求項1〜8のいずれか一項に記載の固定式等速自在継手。
- 前記外側継手部材のトラック溝とこれに協働する前記内側継手部材のトラック溝とで形成されたボールトラックのオフセット角を11.0°〜15.0°とした請求項1〜9のいずれか一項に記載の固定式等速自在継手。
- 前記内側継手部材の外球面の継手開口側に位置する球面角を12.5°以上とした請求項1〜10のいずれか一項に記載の固定式等速自在継手。
- 前記内側継手部材の継手開口側端面と、内側継手部材に形成された軸孔のスプライン端部との間に軸方向の段差部を設け、前記内側継手部材の継手開口側端面よりも奥側に位置する凹端面を形成した請求項1〜11のいずれか一項に記載の固定式等速自在継手。
- 前記凹端面は、トラック溝の底部と対応する部位に形成されている請求項12に記載の固定式等速自在継手。
- 前記内側継手部材の外球面の継手奥側端部に、その外球面よりも後退したテーパ状の逃がし部が形成され、前記外球面と滑らかに連続してつながる様に小さい曲率で繋がっている請求項1〜13のいずれか一項に記載の固定式等速自在継手。
- 前記外側継手部材のトラック溝の曲率中心を、継手軸心上に位置するときの半径よりも大きい半径を描く位置となるように径方向にずらした請求項1〜14のいずれか一項に記載の固定式等速自在継手。
- 前記内側継手部材のトラック溝の曲率中心を、継手軸心上に位置するときの半径よりも小さい半径を描く位置となるように径方向にずらした請求項1〜15のいずれか一項に記載の固定式等速自在継手。
- 請求項1〜16のいずれか一項に記載の固定式等速自在継手と、前記外側継手部材から軸方向に延びるステム部に連結されたハブ輪を有する車輪用軸受とを備え、前記ハブ輪の内径あるいは前記外側継手部材のステム部の外径のいずれか一方に軸方向に延びる凸部を円周方向の複数箇所に形成し、その一方を他方に圧入することにより、その他方に前記凸部と密着嵌合する凹部を形成する凹凸嵌合構造でもって、ハブ輪と外側継手部材を一体的に結合させた駆動車輪用軸受ユニット。
- 請求項1〜16のいずれか一項に記載の固定式等速自在継手と、前記外側継手部材から軸方向に延びるステム部に連結されたハブ輪を有する車輪用軸受とを備え、前記ハブ輪の内径あるいは前記外側継手部材のステム部の外径のいずれか一方に軸方向に延びる凸部を円周方向の複数箇所に形成し、その一方を他方に圧入することにより、その他方に前記凸部と密着嵌合する凹部を形成する凹凸嵌合構造でもって、ハブ輪と外側継手部材を軸方向の引き抜き力付与による分離が可能なように結合させた駆動車輪用軸受ユニット。
- 一端が開口したカップ状をなし、軸方向に延びる複数のトラック溝が内球面に形成された外側継手部材と、その外側継手部材の前記トラック溝と対をなして軸方向に延びる複数のトラック溝が外球面に形成された内側継手部材と、前記外側継手部材のトラック溝と前記内側継手部材のトラック溝との間に介在してトルクを伝達する複数のボールと、前記外側継手部材の内球面と前記内側継手部材の外球面との間に介在して前記ボールを保持するケージとを備え、前記外側継手部材のトラック溝あるいは前記内側継手部材のトラック溝の少なくとも一方を冷間鍛造仕上げにより形成した固定式等速自在継手の製造方法であって、
前記ボールおよびその外径に合致したポケット幅を有するケージをボール外径別にランク分けし、PCD別にランク分けせずに任意に選択された外側継手部材および内側継手部材の各PCDを測定し、それら外側継手部材および内側継手部材に対してその外側継手部材および内側継手部材の各PCD測定値に適合したランクのボールおよびケージを選択するマッチングで外側継手部材、内側継手部材、ボールおよびケージからなる構成要素を組み合わせることを特徴とする固定式等速自在継手の製造方法。
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JP2008285562A JP5318535B2 (ja) | 2008-11-06 | 2008-11-06 | 固定式等速自在継手及びその製造方法並びにこの固定式等速自在継手を用いた駆動車輪用軸受ユニット |
US13/123,925 US8499457B2 (en) | 2008-11-06 | 2009-10-06 | Fixed constant velocity universal joint, method of manufacturing fixed constant velocity universal joint, and bearing device adapted for use in driving wheel and using fixed constant velocity universal joint |
EP09824685.3A EP2345823B1 (en) | 2008-11-06 | 2009-10-06 | Method of manufacturing a fixed constant velocity universal joint |
CN200980144534.9A CN102209857B (zh) | 2008-11-06 | 2009-10-06 | 固定式等速万向接头及其制造方法、以及使用了该固定式等速万向接头的驱动车轮用轴承单元 |
PCT/JP2009/067380 WO2010052985A1 (ja) | 2008-11-06 | 2009-10-06 | 固定式等速自在継手及びその製造方法並びにこの固定式等速自在継手を用いた駆動車輪用軸受ユニット |
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JP5394078B2 (ja) * | 2009-01-14 | 2014-01-22 | Ntn株式会社 | 固定式等速自在継手の外側継手部材 |
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CN102209857A (zh) | 2011-10-05 |
EP2345823B1 (en) | 2015-09-09 |
US8499457B2 (en) | 2013-08-06 |
JP2010112469A (ja) | 2010-05-20 |
EP2345823A1 (en) | 2011-07-20 |
EP2345823A4 (en) | 2012-05-02 |
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US20110212788A1 (en) | 2011-09-01 |
WO2010052985A1 (ja) | 2010-05-14 |
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