JP4422646B2 - 転動体間にセパレータを配設した転がり案内装置 - Google Patents
転動体間にセパレータを配設した転がり案内装置 Download PDFInfo
- Publication number
- JP4422646B2 JP4422646B2 JP2005102850A JP2005102850A JP4422646B2 JP 4422646 B2 JP4422646 B2 JP 4422646B2 JP 2005102850 A JP2005102850 A JP 2005102850A JP 2005102850 A JP2005102850 A JP 2005102850A JP 4422646 B2 JP4422646 B2 JP 4422646B2
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- Prior art keywords
- separator
- rolling
- claw
- rolling elements
- claw portions
- Prior art date
- Legal status (The legal status 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 status listed.)
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Classifications
-
- 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
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
- F16C29/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
- F16C29/0633—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides
- F16C29/0635—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides whereby the return paths are provided as bores in a main body of the U-shaped carriage, e.g. the main body of the U-shaped carriage is a single part with end caps provided at each end
- F16C29/0638—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides whereby the return paths are provided as bores in a main body of the U-shaped carriage, e.g. the main body of the U-shaped carriage is a single part with end caps provided at each end with 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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/37—Loose spacing bodies
- F16C33/3706—Loose spacing bodies with concave surfaces conforming to the shape of the rolling elements, e.g. the spacing bodies are in sliding contact with the rolling elements
-
- 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
- F16C33/37—Loose spacing bodies
- F16C33/374—Loose spacing bodies resilient
-
- 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
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6603—Special parts or details in view of lubrication with grease as lubricant
- F16C33/6607—Retaining the grease in or near the bearing
- F16C33/6614—Retaining the grease in or near the bearing in recesses or cavities provided in retainers, races or rolling elements
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Bearings For Parts Moving Linearly (AREA)
Description
前記セパレータは,外周面が外径に対して長さが短い短尺状の円筒体に形成され,前記円筒体の外形を構成する環状の外枠部と,前記外枠部から前記円筒体の中心に向かって先細状に断面で見て舌片状に延びて先端部が前記転動体に接触して弾性変形可能な複数の爪部とで成り,前記円筒体の両端面が前記外枠部と前記爪部とにより隣り合う前記転動体がそれぞれ嵌入可能な凹部に形成され,
前記複数の爪部は,隣接する前記爪部間にスリットが形成されて各々の前記爪部が互いに独立して弾性変形可能に構成され,隣り合う一方の前記転動体に対向して一方の前記端面に形成された3個の第1爪部と前記一方に対する他方の前記転動体に対向して他方の前記端面に形成された3個の第2爪部とから成り,前記第1爪部と前記第2爪部とは周方向に互い違いに形成されて成り,
前記セパレータは,前記一方の前記転動体が前記第1爪部に当接し前記他方の前記転動体が前記第2爪部に当接して前記第1爪部及び前記第2爪部が弾性変形することで前記転動体間の距離を変化可能に調整して,前記転動体間の距離が最小に成るときにはそれぞれの前記転動体にそれぞれの前記外枠部の外周部分の全面が当接して成ることを特徴とするセパレータを備えた転がり案内装置に関する。
2 スライダ
3 長手方向の側面
4 爪部
5 外枠部
13,14 軌道溝
15 凹円錐面
16 凹角錐面
17 中央孔
18 嵌挿孔
19 循環路
20 転動体
21 負荷軌道路
23 リターン路
24 方向転換路
25,26 爪部
27,28 凹部
29 スリット
30 セパレータ
31,32 凹球面
35,36 肉抜き部
37,38 肉抜き孔
45,47 端面
Claims (3)
- 互いに相対移動する相対移動部材間に形成された循環路を転走する転動体,及び前記転動体同士の接触を防止するため前記転動体間に配置され且つ前記転動体間の距離を調整可能で弾性変形可能なセパレータを備えた転がり案内装置において,
前記セパレータは,外周面が外径に対して長さが短い短尺状の円筒体に形成され,前記円筒体の外形を構成する環状の外枠部と,前記外枠部から前記円筒体の中心に向かって先細状に断面で見て舌片状に延びて先端部が前記転動体に接触して弾性変形可能な複数の爪部とで成り,前記円筒体の両端面が前記外枠部と前記爪部とにより隣り合う前記転動体がそれぞれ嵌入可能な凹部に形成され,
前記複数の爪部は,隣接する前記爪部間にスリットが形成されて各々の前記爪部が互いに独立して弾性変形可能に構成され,隣り合う一方の前記転動体に対向して一方の前記端面に形成された3個の第1爪部と前記一方に対する他方の前記転動体に対向して他方の前記端面に形成された3個の第2爪部とから成り,前記第1爪部と前記第2爪部とは周方向に互い違いに形成されて成り,
前記セパレータは,前記一方の前記転動体が前記第1爪部に当接し前記他方の前記転動体が前記第2爪部に当接して前記第1爪部及び前記第2爪部が弾性変形することで前記転動体間の距離を変化可能に調整して,前記転動体間の距離が最小に成るときにはそれぞれの前記転動体にそれぞれの前記外枠部の外周部分の全面が当接して成ることを特徴とするセパレータを備えた転がり案内装置。 - 前記セパレータの前記凹部は,前記外枠部の前記外周部分と前記外周部分に続く前記爪部の根元部とに形成された凹球面と,前記凹球面に続き前記爪部の先端までに形成された凹円錐面又は凹角錐面とで成る複合面に構成されていることを特徴とする請求項1に記載のセパレータを備えた転がり案内装置。
- 前記セパレータの前記凹部は,前記爪部の前記先端部を前記転動体に接触させるために前記転動体に対向する前記爪部の対向面が前記転動体の半径よりも小さい曲率半径で且つ前記曲率半径の中心が前記セパレータの中心線から偏心した凹球面に形成されて成る複合球面に構成されていることを特徴とする請求項1に記載のセパレータを備えた転がり案内装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005102850A JP4422646B2 (ja) | 2005-03-31 | 2005-03-31 | 転動体間にセパレータを配設した転がり案内装置 |
US11/376,170 US7758245B2 (en) | 2005-03-31 | 2006-03-16 | Rolling guide unit with separator interposed between any two adjacent rolling elements |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005102850A JP4422646B2 (ja) | 2005-03-31 | 2005-03-31 | 転動体間にセパレータを配設した転がり案内装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006283838A JP2006283838A (ja) | 2006-10-19 |
JP4422646B2 true JP4422646B2 (ja) | 2010-02-24 |
Family
ID=37070572
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005102850A Active JP4422646B2 (ja) | 2005-03-31 | 2005-03-31 | 転動体間にセパレータを配設した転がり案内装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7758245B2 (ja) |
JP (1) | JP4422646B2 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5763292B2 (ja) * | 2009-07-27 | 2015-08-12 | Ntn株式会社 | 旋回軸受 |
US20110023642A1 (en) * | 2009-07-28 | 2011-02-03 | Po-Chuan Hsu | Motion Transmission Apparatus with a Chain |
JP5557680B2 (ja) * | 2010-10-04 | 2014-07-23 | Thk株式会社 | スペーサ、スペーサを組み込んだ運動案内装置及びねじ装置 |
JP5869790B2 (ja) * | 2011-07-13 | 2016-02-24 | 株式会社アイエイアイ | ガイド装置及びアクチュエータ |
US9303689B2 (en) | 2014-04-29 | 2016-04-05 | Roller Bearing Company Of America, Inc. | Non-rhythmically spaced rolling elements for reduction in bearing non-repeatable run-out |
DE102015223511A1 (de) * | 2015-11-27 | 2017-02-23 | Schaeffler Technologies AG & Co. KG | Distanzstück für eine Kugeldrehverbindung |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1405894A (en) * | 1919-03-05 | 1922-02-07 | Skf Svenska Kullagerfab Ab | Ball bearing provided with an entrance opening for the balls |
US4175805A (en) * | 1976-03-13 | 1979-11-27 | Hoesch Werke Aktiengesellschaft | One-piece intermediate member for anti-friction bearings |
DE3635725C2 (de) | 1986-10-21 | 1994-12-22 | Schaeffler Waelzlager Kg | Elastisches Distanzstück für Kugellager |
JP3695195B2 (ja) * | 1998-06-02 | 2005-09-14 | 日本精工株式会社 | ボールねじ機構、および直動装置 |
JP4280376B2 (ja) | 1999-10-20 | 2009-06-17 | 日本トムソン株式会社 | 直動転がり案内ユニット |
JP3492653B2 (ja) | 2001-07-10 | 2004-02-03 | 東西化学産業株式会社 | 水処理設備の監視方法及び監視システム |
JP2003239964A (ja) | 2002-02-19 | 2003-08-27 | Nsk Ltd | 直動装置 |
-
2005
- 2005-03-31 JP JP2005102850A patent/JP4422646B2/ja active Active
-
2006
- 2006-03-16 US US11/376,170 patent/US7758245B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US7758245B2 (en) | 2010-07-20 |
US20060222274A1 (en) | 2006-10-05 |
JP2006283838A (ja) | 2006-10-19 |
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