JP4307405B2 - 直動転がり案内ユニット - Google Patents
直動転がり案内ユニット Download PDFInfo
- Publication number
- JP4307405B2 JP4307405B2 JP2005124699A JP2005124699A JP4307405B2 JP 4307405 B2 JP4307405 B2 JP 4307405B2 JP 2005124699 A JP2005124699 A JP 2005124699A JP 2005124699 A JP2005124699 A JP 2005124699A JP 4307405 B2 JP4307405 B2 JP 4307405B2
- Authority
- JP
- Japan
- Prior art keywords
- seal
- slider
- track rail
- rolling
- recess
- 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.)
- Active
Links
Images
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
- F16C29/08—Arrangements for covering or protecting the ways
- F16C29/084—Arrangements for covering or protecting the ways fixed to the carriage or bearing body movable along the guide rail or track
- F16C29/088—Seals extending in the longitudinal direction of the carriage or bearing body
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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
- 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
- F16C29/065—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 rollers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bearings For Parts Moving Linearly (AREA)
- Sealing Of Bearings (AREA)
Description
S スライダ
3,4 エンドキャップ
9,10 転動体としての円筒ころ
24 下面シール
24c 掛け止め爪
24d シール部
26 掛け止め孔
29 砥石逃げ用の斜面
Claims (1)
- 軌道レールをまたいで走行するスライダには、複数の転動体からなるエンドレスな転動列を設けるとともに、この転動列が軌道レールの軌道面を転動する構成にし、上記スライダの下面には下面シールを設け、この下面シールで上記軌道面およびこの軌道面を転動する転動体の部分にダストが侵入するのを防止した直動転がり案内ユニットにおいて、上記軌道面よりも下方における軌道レールの側面に、上記軌道レールの軸線に平行であって、上記軸線に直交する断面を円弧状にした凹部を設け、この凹部に、上記下面シールのシール部を臨ませ、上記下面シールは、合成樹脂で一体成形され板状部と、この板状部の両端に設けた起立部と、この起立部の先端に設けた掛け止め爪とを備え、上記板状部は、軌道レールの側面に形成した上記凹部に対向する側の厚さを厚くし、上記凹部から離れる方向の厚さを徐々に薄くして、上記軸線に直交する方向の断面形状をくさび状にするとともに上記厚さを厚くした側を円弧状にした上記シール部を備え、上記スライダの軸方向両側に設けたエンドキャップは、合成樹脂で一体成形して上記掛け止め爪を掛け止める掛け止め孔を設け、この掛け止め孔に上記下面シールの掛け止め爪を掛け止めるとともに、上記くさび状にした一方の斜面をスライダに形成した砥石逃げ用の斜面に接触させて、上記下面シールをスライダの最下面と同一レベルあるいはスライダの最下面よりも上方に位置させ、上記スライダの最下面より下方に突出しない構成にするとともに、上記シール部を上記ガイドレールの凹部に、非接触で近接させてなる直動転がり案内ユニット。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005124699A JP4307405B2 (ja) | 2005-04-22 | 2005-04-22 | 直動転がり案内ユニット |
US11/408,736 US7458720B2 (en) | 2005-04-22 | 2006-04-17 | Linear motion rolling guide unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005124699A JP4307405B2 (ja) | 2005-04-22 | 2005-04-22 | 直動転がり案内ユニット |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006300250A JP2006300250A (ja) | 2006-11-02 |
JP4307405B2 true JP4307405B2 (ja) | 2009-08-05 |
Family
ID=37186987
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005124699A Active JP4307405B2 (ja) | 2005-04-22 | 2005-04-22 | 直動転がり案内ユニット |
Country Status (2)
Country | Link |
---|---|
US (1) | US7458720B2 (ja) |
JP (1) | JP4307405B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5180799B2 (ja) * | 2008-12-10 | 2013-04-10 | 日本トムソン株式会社 | アクチュエータ |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5087130A (en) * | 1990-03-20 | 1992-02-11 | Nippon Seiko Kabushiki Kaisha | Under seal device of linear movement guide bearing |
US5209575A (en) * | 1992-08-12 | 1993-05-11 | Nippon Thompson Co., Ltd. | Linear motion guide unit having an adjustable retainer plate |
JP2575896Y2 (ja) * | 1992-10-13 | 1998-07-02 | 日本トムソン株式会社 | 直動転がり案内ユニット |
JP2562997Y2 (ja) * | 1992-12-10 | 1998-02-16 | 日本トムソン株式会社 | 直動転がり案内ユニット |
JP3237981B2 (ja) | 1993-12-15 | 2001-12-10 | 日本トムソン株式会社 | 直動転がり案内ユニット |
JPH07293562A (ja) * | 1994-04-27 | 1995-11-07 | Nippon Seiko Kk | リニアガイド装置のアンダーシール |
JP2003314547A (ja) * | 2002-04-19 | 2003-11-06 | Nsk Ltd | 直動案内軸受装置 |
-
2005
- 2005-04-22 JP JP2005124699A patent/JP4307405B2/ja active Active
-
2006
- 2006-04-17 US US11/408,736 patent/US7458720B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20060239595A1 (en) | 2006-10-26 |
JP2006300250A (ja) | 2006-11-02 |
US7458720B2 (en) | 2008-12-02 |
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