JPH02146217U - - Google Patents
Info
- Publication number
- JPH02146217U JPH02146217U JP5693289U JP5693289U JPH02146217U JP H02146217 U JPH02146217 U JP H02146217U JP 5693289 U JP5693289 U JP 5693289U JP 5693289 U JP5693289 U JP 5693289U JP H02146217 U JPH02146217 U JP H02146217U
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- linear movement
- utility
- bearing device
- inner periphery
- 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.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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
- F16C29/068—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with the bearing body fully encircling the guide rail or track
- F16C29/0683—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with the bearing body fully encircling the guide rail or track the bearing body encircles a rail or rod of circular cross-section, i.e. the linear bearing is not suited to transmit torque
- F16C29/0685—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with the bearing body fully encircling the guide rail or track the bearing body encircles a rail or rod of circular cross-section, i.e. the linear bearing is not suited to transmit torque with balls
-
- 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
- F16C29/008—Systems with a plurality of bearings, e.g. four carriages supporting a slide on two parallel rails
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bearings For Parts Moving Linearly (AREA)
Description
第１図及び第２図は本考案の一実施例を示すも
ので、第１図は要部の部分的な拡大縦断面図、第
２図はリニアモータの斜視図であり、第３図は本
考案の他の実施例を示す第１図相当図である。ま
た第４図は従来の塵飛散防止構成を示す概略図で
ある。
図中、１２は軸、１３は可動体、１４は直線移
動用軸受装置、１９は外筒、２１はボール、２２
は軸受本体、２３はカラー、２６はラビリンス溝
、２７，２８は永久磁石である。
Figures 1 and 2 show an embodiment of the present invention, with Figure 1 being a partially enlarged vertical sectional view of the main parts, Figure 2 being a perspective view of the linear motor, and Figure 3 being a perspective view of the linear motor. FIG. 2 is a diagram corresponding to FIG. 1 showing another embodiment of the present invention. Further, FIG. 4 is a schematic diagram showing a conventional dust scattering prevention structure. In the figure, 12 is a shaft, 13 is a movable body, 14 is a linear movement bearing device, 19 is an outer cylinder, 21 is a ball, 22
2 is a bearing body, 23 is a collar, 26 is a labyrinth groove, and 27 and 28 are permanent magnets.
Claims (1)
軸受本体の両端部に、内周にラビリンス溝を有し
たカラー部を設けたことを特徴とする直線移動用
軸受装置。 1. A bearing device for linear movement, characterized in that a bearing body fitted so as to be linearly movable relative to a shaft is provided with collar portions having labyrinth grooves on the inner periphery at both ends thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5693289U JPH02146217U (en) | 1989-05-17 | 1989-05-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5693289U JPH02146217U (en) | 1989-05-17 | 1989-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02146217U true JPH02146217U (en) | 1990-12-12 |
Family
ID=31581196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5693289U Pending JPH02146217U (en) | 1989-05-17 | 1989-05-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02146217U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006054439A1 (en) * | 2004-11-22 | 2006-05-26 | Thk Co., Ltd. | Movement guiding device for vacuum environment |
| WO2006064614A1 (en) * | 2004-12-17 | 2006-06-22 | Thk Co., Ltd. | Movement guiding device and method of lubricating the same |
-
1989
- 1989-05-17 JP JP5693289U patent/JPH02146217U/ja active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006054439A1 (en) * | 2004-11-22 | 2006-05-26 | Thk Co., Ltd. | Movement guiding device for vacuum environment |
| US8033729B2 (en) | 2004-11-22 | 2011-10-11 | Thk Co., Ltd. | Movement guiding device for vacuum environment |
| WO2006064614A1 (en) * | 2004-12-17 | 2006-06-22 | Thk Co., Ltd. | Movement guiding device and method of lubricating the same |
| US8070360B2 (en) | 2004-12-17 | 2011-12-06 | Thk Co., Ltd. | Motion guide device and method of lubricating the same |
| KR101229651B1 (en) * | 2004-12-17 | 2013-02-15 | 티에치케이 가부시끼가이샤 | Movement guiding device and method of lubricating the same |