JP2697795B2 - Small linear motion guide unit - Google Patents

Small linear motion guide unit

Info

Publication number
JP2697795B2
JP2697795B2 JP63238934A JP23893488A JP2697795B2 JP 2697795 B2 JP2697795 B2 JP 2697795B2 JP 63238934 A JP63238934 A JP 63238934A JP 23893488 A JP23893488 A JP 23893488A JP 2697795 B2 JP2697795 B2 JP 2697795B2
Authority
JP
Japan
Prior art keywords
ball
raceway groove
casing
groove
raceway
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.)
Expired - Lifetime
Application number
JP63238934A
Other languages
Japanese (ja)
Other versions
JPH0289810A (en
Inventor
一彦 田中
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Thompson Co Ltd
Original Assignee
Nippon Thompson Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Thompson Co Ltd filed Critical Nippon Thompson Co Ltd
Priority to JP63238934A priority Critical patent/JP2697795B2/en
Publication of JPH0289810A publication Critical patent/JPH0289810A/en
Application granted granted Critical
Publication of JP2697795B2 publication Critical patent/JP2697795B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • F16C29/064—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 with two rows of balls, one on each side of the rail
    • 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
    • F16C29/0602—Details of the bearing body or carriage or parts thereof, e.g. methods for manufacturing or assembly
    • F16C29/0604—Details of the bearing body or carriage or parts thereof, e.g. methods for manufacturing or assembly of the load bearing section
    • F16C29/0607—Details of the bearing body or carriage or parts thereof, e.g. methods for manufacturing or assembly of the load bearing section of parts or members for retaining the rolling elements, i.e. members to prevent the rolling elements from falling out of the bearing body or carriage

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、直動案内ユニットに関するもので、長尺状
のトラックレールに転動体としてのボールを介して跨架
したスライドユニット（ケーシング・側板など）を該ト
ラックレールに沿って転がり運動によって摺動させる構
成のもので、そのスライドユニットの大きさは手の平に
乗るような小形（スライドユニットの大きさが70mm以
下、幅60mm以下、高さ15mm以下をいう。以下同様とす
る。）のものである。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a linear motion guide unit, and more particularly to a slide unit (casing / side plate) straddling a long track rail via a ball as a rolling element. ) Slides along the track rail by rolling motion, and the size of the slide unit is small enough to fit on the palm (the size of the slide unit is 70 mm or less, the width is 60 mm or less, and the height is 15 mm) The same shall apply hereinafter.)

〔従来の技術〕[Conventional technology]

従来の小形の直動案内ユニットは、断面積が小さいた
めボールの条列は２条列が採用されており、ボールと接
触する軌道溝の形状はゴシックアーチ溝である。この形
式の案内ユニットは、４条列の場合に比べれば、はるか
に空間的ゆとりが有る構成となっているが、それでもボ
ールを保持する空間が少ないため、負荷域でのボールは
脱落方式となっていた。Since the conventional small linear motion guide unit has a small cross-sectional area, two rows of balls are adopted, and the shape of the raceway groove that contacts the ball is a Gothic arch groove. This type of guide unit has much more space than the four-row guide unit, but still has little space to hold the ball, so the ball in the load area is dropped. I was

そのため、スライドユニットをトラックレールから取
外すと、ボールはスライドユニットから落ちてしまうと
いう欠点がある。この欠点を補うためにスライドユニッ
トをトラックレールに組付け後、トラックレールの両端
付近にピン等で突出部（ストッパー）を形成していた。Therefore, when the slide unit is removed from the track rail, there is a disadvantage that the ball falls from the slide unit. To compensate for this drawback, after the slide unit is mounted on the track rail, protruding portions (stoppers) are formed near both ends of the track rail with pins or the like.

更に従来のものはボールが脱落するため、ボールの組
込み作業がやっかいであり、組立作業工数のかかるもの
となっていた。Further, in the conventional device, since the ball falls off, the assembling work of the ball is troublesome, and the assembling work man-hour is increased.

この対策の一つとして、板状の部材にスリットを形成
して窓とする保持器を使用するものもあったが、小形で
薄肉のため変形しやすく、摺動時にボールと接触して摺
動抵抗を増大させるなどの問題が生じ、精度的に満足で
きないものであった。As one of the countermeasures, there was a case where a cage was used as a window by forming a slit in a plate-shaped member, but it was small and thin and easily deformed. Problems such as an increase in resistance occur, and the accuracy cannot be satisfied.

〔発明が解決しようとする課題〕[Problems to be solved by the invention]

本発明はこれらの問題を解決し、ボールを確実に保持
するとともに、合理的な軌道溝各部の形状によって軌道
溝の高い精度が得られ、スライドユニットの強度は逆に
向上することができ、断面高さも従来と変化することの
ないボール保持方式の小形直動案内ユニットを提供する
ことを課題としている。The present invention solves these problems, while securely holding the ball, a high accuracy of the raceway groove is obtained by the rational shape of each raceway groove, and the strength of the slide unit can be improved on the contrary, It is an object of the present invention to provide a small linear motion guide unit of a ball holding system whose height does not change from the conventional one.

〔課題を解決するための手段〕[Means for solving the problem]

本発明の小形直動案内ユニットは、上記課題を解決す
るための手段として下記の構成を具えている。The small linear motion guide unit of the present invention has the following configuration as means for solving the above-mentioned problems.

（１）左右側面に各１条のゴシックアーチ溝でなる軌道
溝を有し長尺状で角柱状でなるトラックレールに、前記
軌道溝と対向するゴシックアーチ溝で研削加工されてな
る軌道溝を下面側に凹部でなる垂直な内側面に有するケ
ーシングで構成する断面が倒コ字状のスライドユニット
を両軌道溝間に介在する無限循環する転動体のボールを
介して摺動自在に跨架してなる小形直動案内ユニットに
おいて、前記両軌道溝のボールとの４箇所の接触点の全
ての接触角αを略50°とし、前記ケーシングの前記垂直
な内側面をボール中心を越えてトラックレール側に成
し、かつ前記垂直な内側面にある前記軌道溝の上端と下
端の間隔をボール径よりわずかに小さく長手状に成し、
さらに、前記ケーシングの前記軌道溝とリターン路との
関係をリターン路の方が低い位置にしたこと。(1) A track groove formed by a gothic arch groove opposed to the raceway groove is formed on a track rail having a long and prismatic shape having a raceway groove formed of one gothic arch groove on each of the left and right side surfaces. A slide unit composed of a casing having a vertical U-shape with a concave inner surface with a concave portion on the lower surface side is slidably straddled via a ball of infinitely circulating rolling element interposed between both raceway grooves. In the small linear motion guide unit, the contact angles α of all four contact points of the two raceway grooves with the ball are set to approximately 50 °, and the vertical inner side surface of the casing extends over the center of the ball so that the track rails Side, and the interval between the upper end and the lower end of the raceway groove on the vertical inner surface is formed slightly smaller than the ball diameter in a longitudinal shape,
Further, the relationship between the raceway groove of the casing and the return path is set at a lower position on the return path.

〔作用〕[Action]

本発明においては、両軌道溝とボールとの４箇所の接
触点の全ての接触角αを通常の45°を越えて大きく50°
程度とすることにより左右方向の負荷容量が大きくなっ
てユニットの強度が増大するとともに、加工が容易とな
って軌道溝の精度が向上する。In the present invention, all the contact angles α of the four contact points between the two raceway grooves and the ball exceed the normal 45 ° by a large 50 °.
By setting the degree, the load capacity in the left-right direction is increased, the strength of the unit is increased, and the machining is facilitated, and the accuracy of the raceway groove is improved.

また本発明においては、ケーシングの下面側に凹部で
なる垂直な内側面をボール中心を越えてトラックレール
側に成し、かつ前記垂直な内側面にある前記軌道溝の上
端と下端の間隔をボール径よりわずかに小さく長手状に
成すことによりケーシングの前記軌道溝内のボール保持
を確実に行わせるとともに、浅くなったトラックレール
側の軌道溝の接触面が軌道溝の先端を越えてしまうとい
う不都合を、４箇所の接触点の全ての接触角αを50°に
近くすることによって、防止できる。Further, in the present invention, a vertical inner surface formed by a concave portion on the lower surface side of the casing is formed on the track rail side beyond the center of the ball, and a distance between an upper end and a lower end of the track groove on the vertical inner surface is determined by a ball. By making the length slightly smaller than the diameter, the ball is reliably held in the raceway groove of the casing, and the contact surface of the raceway groove on the side of the track rail that has become shallower exceeds the tip of the raceway groove. Can be prevented by making all the contact angles α of the four contact points close to 50 °.

〔実施例〕〔Example〕

第１図は本発明実施の第１例を示す一部切断斜視図で
ある。長手状で角柱状のトラックレール３の側面１の一
部には、長手方向に左右各１条列のレール軌道溝２が穿
設せされ、また該トラックレール３に跨架する断面が倒
コ字状のスライドユニットを構成する下面側に凹部でな
る垂直な内側面を有するケーシング７があって、軌道溝
間に多数挿入されたボール12を介在している。該ケーシ
ング７には前記垂直な内側面にボール用のゴシックアー
チ状の軌道溝５が穿設されている。FIG. 1 is a partially cutaway perspective view showing a first embodiment of the present invention. A part of the side surface 1 of the track rail 3 having a rectangular prism shape is provided with a rail track groove 2 of one row each on the left and right sides in the longitudinal direction. A casing 7 having a vertical inner side surface formed of a concave portion is provided on the lower surface side of the U-shaped slide unit, and a number of balls 12 inserted between the raceway grooves are interposed therebetween. The casing 7 is provided with a gothic arch-shaped raceway groove 5 for a ball in the vertical inner surface.

前記スライドユニットには、軌道溝５とボール12を反
転させるリターン路６とが形成されたケーシング７と、
該ケーシングの端面に固着されてボール12を軌道溝５か
らリターン路６へ導く方向転換路が形成された側板11と
軌道溝５、前記方向転換路、リターン路６を循環する転
動体である多数のボール12と、該側板の内側端面に挿着
されたスペーサ16と、該側板の外側端面に固着されたシ
ール装置とから構成されている。A casing 7 in which a track groove 5 and a return path 6 for reversing the ball 12 are formed in the slide unit;
A side plate 11 and a raceway groove 5 which are fixed to the end face of the casing and have a direction change path for guiding the ball 12 from the raceway groove 5 to the return path 6, and a number of rolling elements circulating in the direction change path and the return path 6. Ball 12, a spacer 16 inserted into the inner end face of the side plate, and a sealing device fixed to the outer end face of the side plate.

第２図は第１図の一部切断正面図である。 FIG. 2 is a partially cut front view of FIG.

ボール12は軌道溝2,5間で荷重を負荷し、軌道溝から
外れたものは側板11に形成された方向転換路10によって
リターン路６へと導かれていく。方向転換路10は側板11
に形成された外周壁面と、スペーサ16に形成された方向
転換路突出部の内周壁面によって形成されている。The ball 12 applies a load between the raceway grooves 2 and 5, and the ball 12 that has deviated from the raceway groove is guided to the return path 6 by the direction change path 10 formed in the side plate 11. Turnway 10 is side plate 11
And the inner wall surface of the direction change path protrusion formed in the spacer 16.

軌道溝2,5とリターン路６との関係は、第２図の状態
でリターン路６の方が低い位置に形成されており、ケー
シング７の取付け穴29（第１図参照）をより深く形成で
きるようになっている。また、方向転換路10は摺動方向
の垂直断面上においても緩やかな円弧で形成してボール
を円滑に移動させる。The relationship between the raceway grooves 2, 5 and the return path 6 is such that the return path 6 is formed at a lower position in the state of FIG. 2, and the mounting hole 29 (see FIG. 1) of the casing 7 is formed deeper. I can do it. In addition, the direction change path 10 is formed in a gentle arc even on the vertical cross section in the sliding direction, so that the ball moves smoothly.

第３図は本発明の詳細を示す部分拡大図である。 FIG. 3 is a partially enlarged view showing details of the present invention.

本願のケーシングの下面側に凹部でなる垂直な内側面
の軌道溝の加工方向の手順としては、先ず引抜きや鍛造
加工によって、ケーシング７の前記垂直な内側面を仕上
げ寸法近くまで形成し、次に該当する軌道溝の内周壁面
をブローチ加工によって、ボール保持部のついたすなわ
ち上端と下端との間隔をボール径よりわずかに小さく長
手状になる軌道溝５を形成し、さらに、焼入後、該軌道
溝５を研削加工によって仕上げ形成する。As a procedure of the processing direction of the raceway groove of the vertical inner surface formed of a concave portion on the lower surface side of the casing of the present application, first, the vertical inner surface of the casing 7 is formed by drawing or forging to near the finishing dimension, The inner circumferential wall surface of the corresponding raceway groove is formed by broaching to form a raceway groove 5 having a ball holding portion, that is, an interval between an upper end and a lower end, which is slightly smaller than the ball diameter and has an elongated shape. The raceway groove 5 is finished by grinding.

ボール12と軌道溝2,5との接触点は、ボール中心を通
る垂線に対して、左右２箇所（計４箇所）となってお
り、トラックレール３及びケーシング７に形成された軌
道溝2,5はいわゆるゴシックアーチ溝に形成されてい
る。The contact points between the ball 12 and the raceway grooves 2 and 5 are two places on the left and right (a total of four places) with respect to a vertical line passing through the center of the ball, and the raceway grooves 2 and 2 formed on the track rail 3 and the casing 7. 5 is formed in a so-called Gothic arch groove.

該垂線からのボール中心を通る接触点までの角度をα
で表わし、これを接触角という。この接触角αは従来45
°であるが、本発明では全ての接触角αを45°を越えた
値で形成するものである。αを大きくすれば、上下方向
の負荷容量は減少し、逆に左右方向の負荷容量は増加す
るが、この割合を実際の多くの使用実績から検討した結
果、最適値として50°付近を採用すべきことが明らかと
なった。The angle from the perpendicular to the contact point passing through the ball center is α
And this is called the contact angle. This contact angle α is 45
In the present invention, all contact angles α are formed at values exceeding 45 °. If α is increased, the load capacity in the vertical direction decreases and the load capacity in the horizontal direction increases, but as a result of examining this ratio from many actual use results, a value around 50 ° is adopted as the optimum value. It became clear what to do.

ケーシング７の軌道溝５の前記上端と前記下端すなわ
ち先端部Ａは、軌道溝５を有する前記垂直な内側面とと
もにボール中心を越えてトラックレール３側に突出し、
更に軌道溝をせばめる方向に突出させたボール保持部を
両端に長手状に形成する。ボール保持部間の寸法A-Aを
ボール径Daよりわずかに小さく形成して、ケーシングの
軌道溝５内のボール12の脱落防止を行なっている。The upper end and the lower end of the raceway groove 5 of the casing 7, that is, the tip end A, project together with the vertical inner side surface having the raceway groove 5 toward the track rail 3 beyond the center of the ball,
Further, ball holding portions protruding in the direction in which the raceway grooves are fitted are formed at both ends in a longitudinal shape. The dimension AA between the ball holding portions is formed slightly smaller than the ball diameter Da to prevent the ball 12 in the raceway groove 5 of the casing from falling off.

ケーシング７側の前記垂直な内側面がボール中心を越
えてトラックレール３側に形成されるため、当然トラッ
クレール３側の軌道溝２の深さは、ケーシング側の軌道
溝５よりも浅くなる。そのため、接触角45°の場合では
大きな外部荷重が負荷すると、ボール12との接触面がト
ラックレール３側の軌道面２の先端を越えて増加すると
いう問題が発生したが、本発明では全ての接触角αを略
50°としたことにより接触点が軌道溝２の底部側に移動
しているため、そのような異常な現象は生じない。Since the vertical inner surface on the casing 7 side is formed on the track rail 3 side beyond the center of the ball, the depth of the raceway groove 2 on the track rail 3 side is naturally shallower than the raceway groove 5 on the casing side. Therefore, in the case of a contact angle of 45 °, when a large external load is applied, a problem occurs that the contact surface with the ball 12 increases beyond the tip of the track surface 2 on the track rail 3 side. Abbreviated contact angle α
Since the contact point moves to the bottom side of the raceway groove 2 by setting the angle to 50 °, such an abnormal phenomenon does not occur.

更に本発明の接触角では、接触点をボール中心を通る
水平線に近づけることになり、軌道溝の研削加工仕上げ
を行なうことができ、軌道面を高精度に仕上げることが
できるという効果もある。Further, with the contact angle of the present invention, the contact point is made closer to a horizontal line passing through the center of the ball, so that the raceway groove can be finished by grinding and the raceway surface can be finished with high accuracy.

第４図は本発明のスペーサ全体を示す斜視図である。 FIG. 4 is a perspective view showing the entire spacer of the present invention.

このスライドユニットは小形であるため、方向転換路
の内周面が形成されている部分（方向転換路突出部18）
を単独で形成した場合、組み立て時の作業性が悪いが、
図示のように薄肉部19で方向転換路突出部18を連結する
ことによって解決している。Since this slide unit is small, the portion where the inner peripheral surface of the turning path is formed (turning path projecting portion 18)
When formed alone, workability during assembly is poor,
The problem is solved by connecting the turning path projecting portion 18 with the thin portion 19 as shown in the figure.

〔発明の効果〕〔The invention's effect〕

（１）ケーシングの軌道溝内でのボール保持を確実に行
なわせることができる。(1) The ball can be reliably held in the raceway groove of the casing.

（保持器などの他部材を使う場合よりも保持部の精度が
良い。） （２）軌道溝とボールとの全ての接触角を略50°に設定
することにより、軌道溝の仕上げ加工が可能となった。(The accuracy of the holding part is better than when using other members such as a cage.) (2) The raceway groove can be finished by setting all contact angles between the raceway groove and the ball to approximately 50 °. It became.

（３）さらに小形直動案内ユニットとしての負荷特性
が、実情に即したものとなる。(3) Further, the load characteristics of the small linear motion guide unit conform to the actual situation.

（第２図の状態で、左右方向の負荷容量が大きくな
る。） （４）小形直動案内ユニットとして最適な形状となる。(In the state of FIG. 2, the load capacity in the left-right direction increases.) (4) The shape becomes optimal as a small linear motion guide unit.

【図面の簡単な説明】[Brief description of the drawings]

図面は本発明実施の１例を示すもので、第１図は一部切
断斜視図、第２図は一部切断正面図、第３図は要部の部
分拡大図、第４図はスペーサの斜視図である。 図中の符号はそれぞれ下記部材を示す。 1:側面、2:軌道溝 3:トラックレール、4:凹部 5:軌道溝、6:リターン路 7:ケーシング、8:端面 9:負荷路、10:方向転換路 11:側板、12:ボール 16:スペーサ、18:方向転換路突出部The drawings show an embodiment of the present invention. FIG. 1 is a partially cut perspective view, FIG. 2 is a partially cut front view, FIG. 3 is a partially enlarged view of a main part, and FIG. It is a perspective view. The reference numerals in the drawing indicate the following members, respectively. 1: Side, 2: Track groove 3: Track rail, 4: Concave 5: Track groove, 6: Return path 7: Casing, 8: End face 9: Load path, 10: Turning path 11: Side plate, 12: Ball 16 : Spacer, 18: Projection part of direction change path

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項１】左右側面に各１条のガシックアーチ溝でな
る軌道溝を有し長尺状で角柱状でなるトラックレール
に、前記軌道溝と対向するゴシックアーチ溝で研削加工
されてなる軌道溝を下面側に凹部でなる垂直な内側面に
有するケーシングで構成する断面が倒コ字状のスライド
ユニットを両軌道溝間に介在する無限循環する転動体の
ボールを介して摺動自在に跨架してなる小形直動案内ユ
ニットにおいて、前記両軌道溝のボールとの４箇所の接
触点の全ての接触角αを略50°とし、前記ケーシングの
前記垂直な内側面をボール中心を越えてトラックレール
側に成し、かつ前記垂直な内側面にある前記軌道溝の上
端の下端の間隔をボール径よりわずかに小さく長手状に
成し、さらに、前記ケーシングの前記軌道溝とリターン
路との関係をリターン路の方が低い位置にしたことを特
徴とする小形直動案内ユニット。An orbital groove formed by grinding a gothic arch groove facing a raceway groove on a track rail having a long and prismatic shape and having a raceway groove formed of one gasket arch groove on each of left and right side surfaces. , Which is formed of a casing having a vertical inner side surface with a concave portion on the lower surface side, a slide unit having an inverted U-shaped cross section slidably slidable via balls of rolling elements circulating infinitely between the two track grooves. In the small linear motion guide unit, the contact angles α at all four contact points of the two raceway grooves with the ball are set to approximately 50 °, and the vertical inner side surface of the casing extends over the center of the ball. The distance between the lower end of the raceway groove on the rail side and the upper end of the raceway groove on the vertical inner surface is slightly smaller than the ball diameter and is longer than the ball diameter, and further, the relationship between the raceway groove of the casing and the return path. Return Miniature linear motion guide unit, characterized in that it is has a low position of the.
JP63238934A 1988-09-26 1988-09-26 Small linear motion guide unit Expired - Lifetime JP2697795B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63238934A JP2697795B2 (en) 1988-09-26 1988-09-26 Small linear motion guide unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63238934A JP2697795B2 (en) 1988-09-26 1988-09-26 Small linear motion guide unit

Publications (2)

Publication Number Publication Date
JPH0289810A JPH0289810A (en) 1990-03-29
JP2697795B2 true JP2697795B2 (en) 1998-01-14

Family

ID=17037450

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63238934A Expired - Lifetime JP2697795B2 (en) 1988-09-26 1988-09-26 Small linear motion guide unit

Country Status (1)

Country Link
JP (1) JP2697795B2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1793135B1 (en) * 2004-08-26 2010-10-06 Thk Co., Ltd. Motion guide device
WO2007052678A1 (en) * 2005-11-01 2007-05-10 Thk Co., Ltd. Movement guiding device
JP5130841B2 (en) * 2007-09-14 2013-01-30 日本精工株式会社 Linear motion device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5848772B2 (en) * 1981-03-12 1983-10-31 日本トムソン株式会社 linear motion ball bearings
JPS59212518A (en) * 1983-05-16 1984-12-01 Hiroshi Teramachi Bearing and table for linear sliding motion
JPS63140113A (en) * 1986-12-03 1988-06-11 Hiroshi Teramachi Ball bearing for linear sliding
JPH0639143Y2 (en) * 1987-02-23 1994-10-12 日本トムソン株式会社 Structural structure of direction change path of small infinite linear motion ball bearing.

Also Published As

Publication number Publication date
JPH0289810A (en) 1990-03-29

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