JPS6246015A - Ball bearing for linear motion - Google Patents
Ball bearing for linear motionInfo
- Publication number
- JPS6246015A JPS6246015A JP60185672A JP18567285A JPS6246015A JP S6246015 A JPS6246015 A JP S6246015A JP 60185672 A JP60185672 A JP 60185672A JP 18567285 A JP18567285 A JP 18567285A JP S6246015 A JPS6246015 A JP S6246015A
- Authority
- JP
- Japan
- Prior art keywords
- ball
- grooves
- shaped
- intermediate member
- ball bearing
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010030 laminating Methods 0.000 abstract 1
- 210000000078 claw Anatomy 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001603 reducing effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- F16C29/0614—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a shoe type bearing body, e.g. a body facing one side of the guide rail or track only
- F16C29/0621—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a shoe type bearing body, e.g. a body facing one side of the guide rail or track only for supporting load in essentially two directions, e.g. by multiple points of contact or two rows of rolling elements
- F16C29/0623—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a shoe type bearing body, e.g. a body facing one side of the guide rail or track only for supporting load in essentially two directions, e.g. by multiple points of contact or two rows of rolling elements with balls
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
Description
【発明の詳細な説明】
゛この発明は、工作機械のテーブル、位置決めテーブル
等の直線運動部分の案内に用いられる直線運動用ボール
ベアリングに関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a linear motion ball bearing used for guiding linear motion parts such as machine tool tables and positioning tables.
出願人は、従来の直線運動用ベアリングにのられるよう
な、ボールを軸方向に循環させるためにベアリング本体
に軸方向にボール戻り穴を加工すると共に、その戻り穴
の端部及び負荷ボール溝の端部にはボールの方向変換を
行わせるために曲面加工を施し、各両端部にはボールを
１８０度方向変換させるための方向変換用溝を設けたリ
ターンキャップをかぶせる構成になっているものと全く
異なり、相対向するＪ字状１１〜￥を形成した」ユニ部
材と相対向する５字状溝及びそ７ の、５字の先端同
士を連結する溝を上下に形成した中間部材を、負荷ボー
ル溝を形成したベアリング本体の脚部に積層状に嵌め込
んでボールの循環路を形成するようにした直線運動用ボ
ールへアリングについて特許出願した（特願昭５９−２
１１５１４）。The applicant has machined an axial ball return hole in the bearing body in order to circulate the balls in the axial direction, as in a conventional linear motion bearing, and has also machined a ball return hole in the axial direction in the bearing body, and formed a hole in the end of the return hole and in the load ball groove. The ends are curved to change the direction of the ball, and both ends are covered with return caps that have grooves for changing the direction of the ball by 180 degrees. Completely different, the intermediate member, which has grooves formed above and below that connect the tips of the 5-shaped grooves that connect the tips of the 5-shaped grooves that face the uni member, which are opposite to the uni member, is subjected to a load. A patent application was filed for a ball ring for linear motion that is fitted into the leg of the bearing body with a ball groove in a laminated manner to form a ball circulation path (Japanese Patent Application No. 59-2
11514).
この発明は、前記特許出願に係る発明の更に改良に関す
るものである。This invention relates to a further improvement of the invention related to the aforementioned patent application.
以下本発明の実施例を添（」図面に基づいて説明する。Embodiments of the present invention will be described below with reference to the accompanying drawings.
前記の積層式直線運動用ボールベアリングは、前記特許
出願の主題であって、本発明の主題でばないが、本発明
を説明するため必要であるから、これについてまず説明
を加えることとする。Although the laminated linear motion ball bearing is the subject of the patent application and is not the subject of the present invention, it is necessary to explain the present invention, so a description thereof will be given first.
第３図乃至第５図は、前記出願に係る発明の−に下部材
及び中間部（，４がベアリング本体に対して積層状に重
ね合わされた状態を夫々三方向からみた場合を示すもの
である。このうち上下部４４１（１’）は全く同じ形状
のもので、第６図、第７図及び第９図にその形状を示し
ている。Figures 3 to 5 show the state in which the lower member and the intermediate part (, 4) of the invention according to the above application are stacked on the bearing body in a laminated manner, as viewed from three directions respectively. Among these, the upper and lower parts 441 (1') have exactly the same shape, and the shapes are shown in FIGS. 6, 7, and 9.
この」−下部材は、相対向する５字状の溝１ａが形成さ
れており、この溝の断面はほぼ半円状になっている。な
お、符号１ｂは後述する中間部材２の穴２ｂに嵌合せる
ことによって位置決めをするためのガイドビン、ＩＣは
ボールの掬い出し爪である。In this lower member, opposing five-shaped grooves 1a are formed, and the cross section of this groove is approximately semicircular. Note that reference numeral 1b is a guide pin for positioning by fitting into a hole 2b of an intermediate member 2, which will be described later, and IC is a ball scooping claw.
一方、中間部材２は第８図、第１０図にその詳細を示す
ように、上下部材１（１’）の相対向する５字状溝１ａ
と相補・う形状の相対向するＪ字状溝２ａ及びそのＪ字
の先端同士を連結する溝２ａ′を上下に形成している。On the other hand, as shown in detail in FIG. 8 and FIG.
J-shaped grooves 2a that are complementary to each other and opposite to each other, and grooves 2a' that connect the tips of the J-shaped grooves are formed on the upper and lower sides.
対向Ｊ字状溝２ａの断面ば−１−下部（」の対応する溝
と補いあって円周を形成するような半円状であり、連結
部材の溝２ａ′はほぼ４分の１の円周を有するような断
面になっている。The cross section of the opposing J-shaped groove 2a is semicircular so as to complement the corresponding groove of the lower part () to form a circumference, and the groove 2a' of the connecting member is approximately one-fourth of a circle. The cross section has a circumference.
符号２ｂは上下部材の前記ガイ１−゛ビン１ｂを嵌合せ
るためのガイド穴である。Reference numeral 2b is a guide hole into which the guide 1-bin 1b of the upper and lower members is fitted.
前記の上下部材１（１’）及び中間部材２の組合せは、
第１１図に示すベアリング本体３の脚部３ａに嵌め込み
、断面半円状の１−′４荷ボール溝３ｂ、３ｂ’の端面
と接合させることによりボールの無眼循環路を形成する
。The combination of the upper and lower members 1 (1') and the intermediate member 2 is as follows:
It is fitted into the leg portion 3a of the bearing body 3 shown in FIG. 11 and joined to the end surfaces of the 1-'4 load ball grooves 3b, 3b' having a semicircular cross section, thereby forming an eyeless circulation path for the balls.
ボールの組込に際してはベアリング本体３を裏返しにし
て組立治具の上に置き、まず、対向３字状の溝を有する
上側部材１を溝が−１−例にくるように脚部３ａに嵌め
、次いでボール４ （第１図参照）を入れ、その後中間
部材２を市ね更にボールを入れその上に対向３字状の７
１１Ｉ′Ｊを自する下側部材１′を積み重ねたのち、ベ
アリング本体３の端部に上下部材及び中間部Ｈの積層後
の端部の形状に適合するような形状の溝を白するカバー
（図示せず）を両端部からポルト締めする。When assembling the balls, turn the bearing body 3 upside down and place it on an assembly jig, and first fit the upper member 1, which has three-shaped grooves facing each other, onto the legs 3a so that the grooves are aligned with the -1- example. Next, insert the ball 4 (see Figure 1), then place the intermediate member 2, place the ball, and place the opposing three-shaped 7 on top of it.
After stacking the lower member 1' having a shape of 11I'J, a white cover (white groove) is formed on the end of the bearing body 3 in a shape that matches the shape of the end after stacking of the upper and lower members and the intermediate part H. (not shown) from both ends.
中間部材２の３字状溝の５字の先端同士を連結する溝２
ａ′を形成した部分２Ｃは第１２図に示す軌道台５の？
Ａ’ｊ ５ ａに沿って伸びており、絹ゐ１′ｆてられ
た状態ではボール４ば約４分の１の部分が露出するだｔ
Ｊであるから、ベアリング本体３を軌道台５から引抜い
たとき・ベアリング本体３の′ｆＪ、（＋：ｊボール溝
３ ｂ 、 ３１） ’との間でボール４を保持し、ボ
ールリテーナとしての機能を果たす。そして、ボールの
方向変換部は、第３図に示すよ・）に径の大きい円弧状
にしてホールの方向変換に際しての抵抗を著しく減少さ
せることができる。Groove 2 connecting the tips of the 5-shaped grooves of the 3-shaped grooves of the intermediate member 2
The portion 2C forming a' is the part 2C of the track base 5 shown in FIG.
It extends along A'j 5 a, and when it is stretched out, about a quarter of the ball 4 will be exposed.
J, so when the bearing body 3 is pulled out from the track 5, the balls 4 are held between 'fJ, (+:j ball groove 3b, 31)' of the bearing body 3, and the ball 4 is held as a ball retainer. fulfill a function. The direction changing portion of the ball is formed into a circular arc shape with a large diameter as shown in FIG. 3, so that the resistance when changing the direction of the hole can be significantly reduced.
なお、この積層式直線運動用ベアリングは第１１図に示
すような左右対称のベアリング形状のみならず、ボール
の循環機構を具えた片側のみのベアリング本体部とりＬ
通合の部分とを夫々ｊ−ニソ［・式のモジフ、−ルとし
、これらのモジ、７゜−ルを他の機械部品（例えば、工
作機械のテーブルと−・ソド）に夫々ねじｌトめするこ
とによって直線運動用ボールベアリングとして用いるこ
とができる。そして、ボール溝の形状をサーキュラ−溝
型とすることにより四方向に等しく荷重を受けるように
することができることも当然である。この場合は、第１
２図に示すｉｌ！Ｉ＋ 重台とボールの接触角αを水平
方向に対して約４５゜に設定する。This laminated linear motion bearing has not only a symmetrical bearing shape as shown in Fig. 11, but also a bearing body L with only one side equipped with a ball circulation mechanism.
The connecting parts are respectively J-Niso[・formula modules, -rules, and these modules and 7゜-rules are screwed into other machine parts (for example, the table of a machine tool and the −・rod), respectively. By tightening it, it can be used as a ball bearing for linear motion. It goes without saying that by forming the ball groove into a circular groove shape, it is possible to receive loads equally in all four directions. In this case, the first
il! shown in Figure 2! I+ Set the contact angle α between the heavy platform and the ball to approximately 45° with respect to the horizontal direction.
なお、−上下及び中間部材の端部形状ｔＪ： ’ｌ’−
円形のものを図示しているが、矩形等にしてもよい。In addition, - end shape tJ of upper and lower and intermediate members: 'l' -
Although a circular shape is shown in the figure, it may be rectangular or the like.
ところで、本発明は、−上記発明における一Ｌ下部材を
半割チューブに置き換えたものであり、第１図に組合わ
せた状態の正面図を、第２図にチューブのみの上面図を
夫々示す。中間部材２ば上記発明のものと実質的に同一
のものでよいが、位置決め用のガイドピン１ｂは不要と
なる。By the way, in the present invention, the 1L lower member in the above invention is replaced with a half-split tube, and FIG. 1 shows a front view of the assembled state, and FIG. 2 shows a top view of only the tube. . Although the intermediate member 2 may be substantially the same as that of the above invention, the guide pin 1b for positioning is not required.
半割チューブ６は第２図に示すように対向′Ｊ字状をな
し、ボールの掬い出し用の爪６ａを両端に有している。As shown in FIG. 2, the half tube 6 has a J-shape facing each other, and has claws 6a at both ends for scooping out balls.
第１３図は、積層した上下部材と中間部材をベアリング
本体３に取付けるためのカバー７を示すものである。上
下部材と中間部材のボール方向変換部と直線部分に嵌合
する溝７ａがＬ字状に設けである。符号７ｂは環状の突
起であって、−ベアリング本体３の端面に設げられた穴
に嵌め込むことによって、カバー７の位置決めを容易に
するよう乙こしたものである。FIG. 13 shows a cover 7 for attaching the laminated upper and lower members and intermediate member to the bearing body 3. L-shaped grooves 7a are provided to fit into the ball direction changing portions and straight portions of the upper and lower members and the intermediate member. Reference numeral 7b denotes an annular protrusion, which is designed to facilitate positioning of the cover 7 by fitting into a hole provided on the end face of the bearing body 3.
このカバー７は、」一方から見ｌ：形状が：Ｉの字型を
していて、同一の形状をした−・対のカバー７を両端か
ら、突起７ｃと穴７ｄが夫々相手の穴と突起に嵌合する
ように絹み合わ−Ｕて用いるものである。This cover 7 has an I-shape when viewed from one side, and when looking at a pair of covers 7 with the same shape from both ends, the protrusion 7c and hole 7d are respectively aligned with the other hole. It is used in a way that it fits into the U.
符１；Ｊ７ｅは潤７１’ｔ Ｊｆ’ｌ （Ｉｔ給用の一
対の溝である。Symbol 1; J7e is a pair of grooves for supplying water.
このカバー７は環状突起７ｂをｉｌシて本体３にボルト
締めするご点によって、固定する。This cover 7 is fixed by tightening bolts to the main body 3 through the annular projection 7b.
な２Ｆ八本発明において、ｒ Ｊ字状」とはＪ形の角（
かど）の部分にＲをもたせた形状も含むものである。2F8 In the present invention, "r J-shape" means a corner of a J-shape (
It also includes a shape with rounded corners.
発明の効果
本発明は以−にのように構成されているから、従来必要
とされていたリターンキャップが不要となって、部品点
数が少なくてすむほか、ベアリング本体のボール戻り穴
の加工及びボール出入部の曲面加Ｊ「の必要１ｊｌがな
くなり、製造コストが安くなる効果がある。Effects of the Invention Since the present invention is constructed as described above, the return cap that was conventionally required is no longer necessary, and the number of parts can be reduced. It eliminates the need for curved surfaces at the entrance/exit part, which has the effect of lowering manufacturing costs.
また、ボールリテーナを別途設ける必要がないことから
も部品点数が少なくなるし、ボールの方向変換部の形状
を理想的な大径の円弧状とすることにより、ボールの方
向変換に幻する抵抗が著しく減少する効果がある。更に
、十丁及び中間部材の溝内に樹脂コーティングを施すこ
とにより、ボールを滑り易く騒音を小さくすることもで
きる。Additionally, there is no need to provide a separate ball cage, which reduces the number of parts, and by making the shape of the ball direction changing part an ideal large-diameter arc, the resistance that appears when changing the direction of the ball is reduced. It has a significant reducing effect. Furthermore, by applying a resin coating to the grooves of the jucho and intermediate members, it is possible to make the ball slide more easily and to reduce noise.
製造工程においても組立てが極めて容易になるとともに
１．樹脂、プレス成形、切削、第１ｊ密鍛造等の方法で
上下又は中間部材を製造°４−ることができるので、こ
の点からも製造コス１の減少をはかることができる。In the manufacturing process, assembly is extremely easy, and 1. Since the upper and lower or intermediate members can be manufactured using methods such as resin, press molding, cutting, and dense forging, the manufacturing cost can be reduced from this point as well.
そして、上下部材は強度を要求されるボールの掬い出し
爪部を有するのでこれを金属製半割チューブとし、中間
部Ｈは樹脂製とすれば、強度にすぐれかつホールの走行
騒音の少ないものを製造することができる。Since the upper and lower members have ball scooping claws that require strength, if these are made of metal halved tubes, and the middle part H is made of resin, it is possible to achieve excellent strength and less noise when running the hole. can be manufactured.
第１図は本発明による積層体の下面図、第２図は半割チ
ューブの上面図、第３図乃至第５図は、−１１＋部材及
び中間部材をベアリング本体にり１シフて組立人〕場合
の夫々−１−面図、正面図及び側面図、第６図、第７１
メ１は上下部材の夫々Ｌ面図及び側面図、第８図は中間
部）」の上面図、第９図ば上Ｔ： ＤＩ＋材の斜視図（
ただし、第６図のものを裏側から見ている）、第１０図
は中間部材の斜視図、第１１図はベアリング本体の正面
図、第１２図は軌道台の正面図、第１３図は取付カバー
の斜視図である。
２・・・中間部（」
２ａ・・・相対向する。１字状溝
２ａ′・・・連結溝
３・・・ベアリング本体 ３ａ・・・脚部３ｂ
、３ｂ’・・・負（奄ボール溝
６ ・・・−に Ｆｆｉｌ目４
代理人 弁理士 祐用尉−・ 外２名
第１図
嬉２図
第９図
第１０図
第１１図
第１プ図
第１３図FIG. 1 is a bottom view of a laminate according to the present invention, FIG. 2 is a top view of a half-split tube, and FIGS. 3 to 5 are an assembly person who moves the -11+ member and intermediate member into the bearing body.] -1-side view, front view and side view, Fig. 6, Fig. 71, respectively.
Figure 1 is the L side view and side view of the upper and lower members, respectively. Figure 8 is the top view of the middle part. Figure 9 is the upper T: perspective view of the DI+ material
(Fig. 6 is viewed from the back side), Fig. 10 is a perspective view of the intermediate member, Fig. 11 is a front view of the bearing body, Fig. 12 is a front view of the track, and Fig. 13 is the installation. It is a perspective view of a cover. 2... Middle part ('' 2a... Opposing each other. Single-shaped groove 2a'... Connection groove 3... Bearing body 3a... Leg part 3b
, 3b'... Negative (Yam ball groove 6...-Ffil 4 Agent Patent attorney Yuyosuke - 2 other people Figure 1 Figure 2 Figure 9 Figure 10 Figure 11 Figure 1 Figure 13
Claims (1)
対向するＪ字状溝及びそのＪ字の先端同士を連結する溝
を上下に形成した中間部材を、負荷ボール溝を形成した
ベアリング本体の脚部に積層状に嵌め込んでボールの循
環路を形成することを特徴とする直線運動用ボールベア
リング。A bearing body in which a load ball groove is formed, and an intermediate member is formed of upper and lower members consisting of opposing J-shaped half tubes, opposing J-shaped grooves, and grooves connecting the J-shaped tips on the upper and lower sides. A linear motion ball bearing characterized by being fitted in a laminated manner into the leg of the machine to form a circulation path for the balls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60185672A JPS6246015A (en) | 1985-08-26 | 1985-08-26 | Ball bearing for linear motion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60185672A JPS6246015A (en) | 1985-08-26 | 1985-08-26 | Ball bearing for linear motion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6246015A true JPS6246015A (en) | 1987-02-27 |
| JPH0457893B2 JPH0457893B2 (en) | 1992-09-16 |
Family
ID=16174851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60185672A Granted JPS6246015A (en) | 1985-08-26 | 1985-08-26 | Ball bearing for linear motion |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6246015A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02124353U (en) * | 1989-03-24 | 1990-10-12 | ||
| JP2011094729A (en) * | 2009-10-30 | 2011-05-12 | Nsk Ltd | Linear guide device including oil supply joint component |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5110276U (en) * | 1974-07-11 | 1976-01-26 | ||
| JPS5833821U (en) * | 1981-08-28 | 1983-03-05 | エヌ・テ−・エヌ東洋ベアリング株式会社 | Circulating linear motion bearing device |
| JPS59137417U (en) * | 1983-03-04 | 1984-09-13 | 日本特殊ベアリング株式会社 | ball guide |
| JPS6069322A (en) * | 1983-09-27 | 1985-04-20 | Hiroshi Teramachi | Cross rectilinear bearing |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5833821B2 (en) * | 1976-11-15 | 1983-07-22 | エプソン株式会社 | printer |
-
1985
- 1985-08-26 JP JP60185672A patent/JPS6246015A/en active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5110276U (en) * | 1974-07-11 | 1976-01-26 | ||
| JPS5833821U (en) * | 1981-08-28 | 1983-03-05 | エヌ・テ−・エヌ東洋ベアリング株式会社 | Circulating linear motion bearing device |
| JPS59137417U (en) * | 1983-03-04 | 1984-09-13 | 日本特殊ベアリング株式会社 | ball guide |
| JPS6069322A (en) * | 1983-09-27 | 1985-04-20 | Hiroshi Teramachi | Cross rectilinear bearing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02124353U (en) * | 1989-03-24 | 1990-10-12 | ||
| JP2011094729A (en) * | 2009-10-30 | 2011-05-12 | Nsk Ltd | Linear guide device including oil supply joint component |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0457893B2 (en) | 1992-09-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR920000341B1 (en) | Bearing for both linear and curvunear motions | |
| JPH049471Y2 (en) | ||
| JPS5824618A (en) | Ball spline bearing for endless slide | |
| JPH0456167B2 (en) | ||
| JPS6192317A (en) | Ball bearing for straight linear motion | |
| JPS6246015A (en) | Ball bearing for linear motion | |
| JPS59164415A (en) | Rectilinear sliding roller bearing and rectilinear sliding roller table | |
| JPS61190026U (en) | ||
| KR860001682B1 (en) | Linear slide bearing | |
| JPS59155617A (en) | Ball spline | |
| JPH06201013A (en) | Ball screw | |
| GB2203804A (en) | Angular contact-linear slide bearing | |
| JPS6121420A (en) | Rectilinear motion bearing | |
| JPH03292412A (en) | Bearing for rectilinear sliding | |
| JPS6211215B2 (en) | ||
| JPS60231014A (en) | Linear motion bearing | |
| JPH0446225U (en) | ||
| JPS636506Y2 (en) | ||
| JPH0432496Y2 (en) | ||
| JP2764191B2 (en) | Linear guide device | |
| JP7494781B2 (en) | Linear guide device | |
| JPH0257718A (en) | Bearing for both straight and curved movements | |
| JPS6177418U (en) | ||
| JPS636504Y2 (en) | ||
| JPS61100337A (en) | Linear guide apparatus |