CN1298476A - Polymer linear guide - Google Patents

Polymer linear guide Download PDF

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Publication number
CN1298476A
CN1298476A CN99805557A CN99805557A CN1298476A CN 1298476 A CN1298476 A CN 1298476A CN 99805557 A CN99805557 A CN 99805557A CN 99805557 A CN99805557 A CN 99805557A CN 1298476 A CN1298476 A CN 1298476A
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CN
China
Prior art keywords
mentioned
slide block
guide rail
polymer material
groove
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Pending
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CN99805557A
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Chinese (zh)
Inventor
戴蒙·L·马克
克里斯·G·塞茨
戴维·L·博克海德
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Machine Systems Ltd
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Machine Systems Ltd
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Publication of CN1298476A publication Critical patent/CN1298476A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C29/00Bearings for parts moving only linearly
    • F16C29/02Sliding-contact bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02Parts of sliding-contact bearings
    • F16C33/04Brasses; Bushes; Linings
    • F16C33/20Sliding surface consisting mainly of plastics
    • F16C33/201Composition of the plastic

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bearings For Parts Moving Linearly (AREA)

Abstract

A linear guide assembly (10) which includes a slide body (14) that is moveably supported on a guide rail (12).

Description

Polymer linear guide
The background technique of invention
Field that the present invention belongs to
The present invention relates to a linear rail with slide block and guide rail.More properly, the present invention relates to a straight line guide rail, wherein slide block, guide rail or both integral body are built by polymer, are coated with or are provided with a polymeric support face.
Prior art is described
Linear motion guide rail is to construct automatically or the important component part of other type equipment.Linear motion guide rail (being designated hereinafter simply as " linear rail ") as mechanism hand or workpiece, has pinpoint accuracy as the part of equipment, front and back straight line motion in long relatively distance.Because each linear rail only has along guard rail one degree of freedom longitudinally, a plurality of linear rails can provide additional degrees of freedom by being used in combination the motion for equipment.
Usually, linear rail has two chief components, a guard rail (be also referred to as track, be designated hereinafter simply as " guide rail ") and slide blocks (being designated hereinafter simply as " slide block ").Slide block becomes to make slide block along not swing or mobile with gap of guide rail assembling with Guide Rail Design.This installs a bearing device by between and realizes.
In a kind of existing linear rail, the circulation ball bearing is assembled in the slide block, contacts with the bearing race that forms in guide rail.This system expense when producing and replace is relatively costly.When wearing and tearing, the structure of circulation ball bearing slide block makes that whole at least slide block must be replaced, and more typical is that slide block and guide rail all are replaced.Because wearing and tearing are the bearing races that occur in bearing contact slipper and guide rail, are infeasible so only replace ball bearing.
In fact another kind of linear rail has been removed and has been used the circulation ball bearing that shallow sliding friction necessary between slide block and guide rail also is provided.In this linear rail, supporting material for good and all is connected with slide block, and a contact interface so just is provided between slide block and guide rail.The polymer material that is used for forming these supporting surfaces comprises nylon, polytetrafluoroethylene (PTFE) and many other materials.This design is considered to save maintenance generally from need not the angle of moistening lubrication prescription, because selected polymer typically provides a flush mounted type and permanent oiling agent.
Some shortcomings of above-mentioned design are slide block and supporting portion are needed to produce respectively then supporting portion to be installed on the slide block.This installation is usually directed to polymer with predetermined thickness and links to each other with the zone of slide block and fetch engagement with rail.Connection procedure itself depends on particular polymers and the slide block that relates to, and is very complicated and expensive sometimes.In addition, the failure of connection in use and other result's worry are also produced thus.
The U. S. Patent of delivering on April 7th, 1998 discloses an alternative that polymer is connected with slide block the 5th, 735, No. 610, and its theme here together as a reference.In this invention, slide block needs interchangeable polymer Inset, and slide block slides on this Inset.
Consider the restriction and the shortcoming of aforementioned prior art device, and other unfavorable factor of not mentioning specially, it is very conspicuous still needing technically linear rail to be improved.
Therefore main purpose of the present invention is to need not ball bearing or the linear rail that polymeric material is connected with guide rail is satisfied above-mentioned needs by providing a kind of.
Another object of the present invention provides a kind of linear rail, and its slide block and supporting portion need not to produce respectively.
Another purpose of the present invention provides a kind of linear rail, and its support unit and slide block or guide rail form as parts.
The summary of invention
The concise and to the point description can be realized above-mentioned and other purpose according to the present invention: be slidably mounted in the linear rail of the slide block on the guard rail by a kind of comprise the same with prior art is provided.But the guide rail among slide block among the present invention and the available embodiment defines the supporting surface that allows slide block and guide rail to move mutually.
Slide block of the present invention comprises that one has the gliding mass of top, bottom, opposite side and opposite end.Gliding mass defines the groove of extending longitudinally by gliding mass length between the opposite end.Groove generally has an opening on the direction of gliding mass bottom, present a sectional shape that can hold guide rail.The opposite end of guide rail defines the length of guide rail, and it is greater than the length of gliding mass.Cooperatively interacting between the sectional shape of gliding mass and guide rail has a little gap, allow gliding mass along guide rail movement and with limit movement in one degree of freedom.Correspondingly, gliding mass is forbidden with respect to the side direction and the vertical motion of guide rail.
Slide block and guide rail are by a kind of the making in several best polymer materials, and these polymer materials have the antiwear characteristics that low friction factor, high bearing capacity are become reconciled, and make the longitudinal movement of the relative guide rail of slide block become easy like this.Among the embodiment who the present invention includes, by slide block form by polymer and guide rail is made up of non-polymer material, by guide rail form by polymer and slide block is made up of non-polymer material, by guide rail and slide block all form by polymer, the slide block that has has the polymer that is connected with the non-polymer core, and the guide rail that has comprises interchangeable polymeric support Inset.In the embodiment that guide rail and slide block all are made up of polymer, they preferably are made up of different polymer materials.
By the concise and to the point supporting element of describing is provided as above, several embodiments of the present invention have the slide block of direct engagement guide rail, not need by the slide block traction or with the sliding independent supporting member that certainly is connected.
Benefit that the present invention is other and advantage be by following optimum embodiment and additional claim, and in conjunction with last accompanying drawing, for those skilled persons in correlative technology field of the present invention, can become clearly.
Brief description of drawings
Fig. 1 is the perspective view of the linear rail of the embodiment principle of the invention;
Fig. 2 is the exploded view of linear rail in accordance with the principles of the present invention;
Fig. 3 along 3-3 line among Fig. 1, illustrates the sectional view of the various features of the present invention for roughly;
Fig. 4-7 is roughly along the sectional view of 3-3 line among the Fig. 1 among alternative embodiment among the present invention;
Fig. 8 a-8b is the alternative view of the positioning device of slide block of the present invention.
Optimum embodiment's detailed description
Referring now to accompanying drawing, the straight line guide rail shown in Fig. 1 is generally represented with 10, has embodied principle of the present invention.Linear rail 10 mainly comprises the guard rail (guide rail 12) by gliding mass (slide block 14) supporting.According to the specific embodiment of describing in detail here of the present invention, track 12 or slide block 14 can be by aluminium, steel, and polymer or other materials that is fit to are made.
Guide rail 12 is longitudinal components, comprises an end face 16, bottom surface 18 and over against side end face 20.Upright opening 22 is located in the guide rail 12, extends to bottom surface 18 from end face 16, and the fastening piece (not shown) by for example screw is fastened on the suitable pedestal or worktable guide rail 12.The setting means of upright opening 22 makes the end of fastening piece is immersed oneself in below end face 16.Like this, fastening piece will can not hinder slide block 14 moving along guide rail 12.
The end face of guide rail 12 or end 20 are configured to make inclusion 24 usually inwardly facing to another inclusion of guide rail, and inclusion 24 is set in the end 20 with the structure of trapezoidal groove.In following further description, inclusion 24 cooperates with the extension of gliding mass 14 to be fixed on the guide rail 12 gliding mass 14 and will relative movement between the two to be limited in axle center or longitudinal direction along guide rail 12.
Referring now to Fig. 2 and 3, slide block 14 normally comprises an end face 26, one bottom surfaces 28, over against side 30 and over against the cuboid of end face 32.End face 26 forms a surface that is generally the plane, is installed on this planar surface by at least a portion of the parts of linear rail 10 guiding.Install for convenient, in end face 26, vertically be provided with mounting hole 34, put in the slide block 14.Bolt or other fastening piece (not shown) can be passed slide block 14 and be passed mounting hole 34, and a nut or other geared assembly (not shown) are engaged the opposite end of fastening piece.If desired, mounting hole 34 can be gone out screw thread by car or be provided with screw thread insert (casting or be processed into) in the hole to come engaged with fastener, and need not further geared screw.Otch 36 forms a line at axis direction and mounting hole 34, forms in slide block 14, makes nut recessed (if you are using) in the boundary dimension of slide block 14.Otch 36 is shown as from the bottom surface 28 in the drawings and stretches upwards, from the side 30 and end face 32 inwardly stretch, otch 36 is positioned in four angles of gliding mass 14 usually like this.Clearly, alternative location and shape perhaps even fully do not need otch 36 to be applied according to the specialized designs standard of linear rail 10 and its intended application.
Groove 38 vertically passes slide block 14 and forms, 28 the direction upper shed in the bottom surface usually, and its shape of cross section is consistent with the shape of cross section of guide rail 12 usually.As shown in Figure 3, the shape of cross section of groove 38 is approaching consistent with the shape of cross section of guide rail 12 dimensionally.Near bottom surface 28, protuberance 40 is limited to the constriction entrance region in the groove 38, and this will prevent the vertical and lateral movement of gliding mass 14 with respect to guide rail 12 with groove fit.
Above guide rail and groove shapes are described in detail in, will be appreciated that their shape can be set as many interchangeable shapes.Therefore, as long as can satisfy the above-mentioned common operating parameter of linear rail, all these shapes are identified as the equivalent of shape shown.
As above briefly describe, slide block 14 directly is placed on the guide rail 12, and its groove 38 that defines surface action plays a role and works as a support unit.Alternately, the surface energy that defines groove 38 comprises a series of not shown outstanding or convex portions, and these convex portions mesh with guide rail 12 along groove 38 part or all of length extending, and plays the supporting surface effect as slide block 14.
In most preferred embodiment, shown in Fig. 8 a and 8b, slide block 14 has been used an automatic positioning device 47, comprises spring offset located pin 48.Locating stud 48 is to establish with respect to the automatic adjustment of guide rail 12 for slide block 14.Several holes 46 are passed slide block 14 and are stretched in the side, and locating stud 48 (in the illustrated embodiment being 3) contacts at top vertical plane 49 with guide rail 12 like this.Especially hole 46 is set equidistantly along slide block 14 length, load is evenly distributed with slide block 14 adjusts automatically with respect to guide rail 12.The contacting to come in the following manner of locating stud 48 and guide rail 12 set adjustably: add spiral spring or other biasing arrangement/parts between locating stud 48 and positioning screwn 52, positioning screwn is contained in the hole 46 threadably.The pressure that is applied on the guide rail 12 by locating stud 48 can change by advancing or regaining positioning screwn 52.Changed locating stud 48 in locational variation and be applied to pressure on the guide rail 12, allowed the position of slide block 14 to adjust automatically with respect to guide rail 12.Although the use locating stud that can how maybe can lack is that three locating studs 48 are used for above-mentioned slide block 14 and guide rail 12 are located automatically in most preferred embodiment.Locating stud self slides owing to too much contact with along guide rail 12, and is made material for example described below by the polymer material of low coefficient of friction.
In another most preferred embodiment, locating stud 48 is fixed in the threaded sleeve that is contained in threadably in the hole 46.A spring is used for the deflection locating stud in sleeve pipe, and locating stud is partly outstanding from the sleeve pipe necking section like this.The opposite end closure of sleeve pipe and is used for fixing spring, and comprises that a drive socket or transmission head advance it or regain in hole 46.By advancing or regain sleeve pipe with respect to hole 46, perhaps in sleeve pipe, set the different stiffness spring of a degree, just provide power by locating stud 48.Directly with when guide rail 12 contacts, they also can all contact with a common clamp bar at locating stud 48, and clamp bar self contacts with guide rail 12 again.Clamp bar is supported or can be stretched the length of about gliding mass 14 by gliding mass 14.Like this, clamp bar can be contained in the gliding mass 14 in the axial groove that forms, and to be mounted to its transverse movement be one to limit to a number or amount for example 0.001 inch.Because contact with guide rail 12, clamp bar is made by the polymer of low coefficient of friction, and in the present embodiment, locating stud 48 can be made by different materials, for example steel.
Be to form gliding mass 14, polymer material can be cast into or be moulded to desirable end shape, can be squeezed into desirable end shape, perhaps can be machined to desirable end shape subsequently beginning moulding by any way.Above-mentioned hole 34 and 46 processing are in gliding mass 14, or casting is in gliding mass 14.Hole 34 and 46 is gone out screw thread by car, and perhaps internal thread comes to a point gradually and enters hole through machining, perhaps is called as the internal thread insert (material that metal is made or other is fit to is made) of volute, is molded in the body of slide block 14 or is installed in the hole 34.
According to the present invention, the basic operation of linear rail 10 restriction is expected to be: load (300-750 pound/slide block); Pressure/velocity level (about 7500); More than the maximum allowable operating temperature (M.A.O.T.) (Fahrenheit 300-500 degree); Clearly, the operating parameter above above listed parameter can be used in the suitable practical application design consideration.For example, the bearing power of linear rail 10 can be improved by add stiffener (for example bar, sieve aperture, grid or other structure) when the initial moulding in slide block 14 bodies.
Therefore except the operating parameter that satisfies imagination, the material require of making slide block 14 has a low coefficient of friction, good bearing power but no longer need moistening lubrication prescription.Therefore any suitable material that can satisfy above-mentioned standard can both constitute most preferred embodiment of the present invention.
Under hard-core situation, representative material comprises for example epoxy resin of thermosetting polymer, allyl ester, amino polymer, phenolic aldehyde, polyester, polyamide and nylon, cyanoacrylate (cyanoacrylates), polyurethane, siloxane and their mixture; Thermoplastic polymer is polystyrene for example, polyethylene, PVC, polyethylene terephthalate (polyethylene terapthalate), and their mixture; Material with above two kinds of polymer property; Semisolid lubricant is the teflon of teflon and filling (filled) for example.Polymer also can comprise self oiling or solid lubrication parts.Usually, the received polymer of a kind of energy is any polymer that can carry enough load when keeping low frictional behavior.
The material of one specific most preferred embodiment, have 7500 pressure/velocity level (PV) and surpass the operating temperature range that Fahrenheit 300 is spent, commercial can be from DSM Polymer Company, Reading, it is the extruding polyamide-imides of trade name that the Pennsylvania place obtains with TORLON.The friction factor of this material is 0.20, operating temperature range surpasses Fahrenheit 500 degree (make material firmer at elevated temperatures), rates of thermal expansion low significantly (make between parts and cooperate more closely), pressure/velocity level's limiting value (45,000) substantially exceeds the anticipation technical specifications in the linear rail 10 the most familiar application simultaneously.Another optimal material can obtain from above-mentioned company commercial, and they are trade name with Nylatron.
As the embodiment of Fig. 3 as seen, guide rail 12 is made by the material that for example aluminium or steel are fit to, and the surface scribbles or be provided with the outer surface of a low coefficient of friction.Provide a kind of method of this low coefficient of friction surfaces to realize by synergy coating.This coating is because its wear resistance, low friction, anticorrosive and inadhesive characteristic and very beneficial.This coating is known, and it relates to metal substrate surface is converted to oxide (pottery) surface, polymer (for example fluoropolymer polymer) is handled or fuses into oxide surface, generates a new surface with high usability.
As shown in Figure 5, in an alternative embodiment, guide rail 12 is polymer and slide block 14 is to be made by for example aluminium or steel non-polymer material.As the embodiment of Fig. 3, non-polymer material is provided with an outer surface (minimum in the place that contacts with guide rail) with low coefficient of friction.Equally, this surface can provide by synergy coating.Guide rail 12 is made by above-mentioned material, is connected with slide block 14 among Fig. 3 embodiment, can make with above-mentioned any method.
Referring now to Fig. 4,, slide block 14 and guide rail 12 all are shown as by polymer material to be made.In the present embodiment, slide block 14 is made by different polymer materials with guide rail 12.The difference of polymer material between slide block 14 and the guide rail 12 when slide block 14 slips over guide rail 12, has reduced the friction of 12 on slide block 14 and guide rail.
In the embodiment of Fig. 6, guide rail 12 is connected the corresponding jacket 60 of a suitable polymers material with it.Jacket 60 is provided with a supporting surface similar to supporting surface described above, at least in above-mentioned zone and slide block 14 engagements.The known distinct methods that many connection polymer and aluminium or steel are arranged, this method is used in the present embodiment.
In the embodiment of Fig. 7, non-polymer guide rail 12 is provided with a cannelure 62, and wherein, the polymer Inset 64 that can be moved is installed in this groove.Polymer Inset 64 serves as supporting surface between slide block 14 and guide rail 12.It comprises leg 66, perhaps is processed into or plugs pin and mesh ordinatedly and be fixed in the groove 62.The polymer Inset can be removed or install in the following manner at an easy rate: along the slip Inset 64 vertically or from the groove 62 with correspondingly-shaped of guide rail 12, particularly leg 66.In case Inset 64 is at correct position, promptly the end of guide rail mouth provides passage and has held the end cap (not shown) for installing and removing Inset 64, and this end cap has hidden the end face of the groove 62 of Inset 64 insertions.End cap is processed to profile or the consistent shape of shape of cross section with guide rail 12, is fixed by screw or other fastening piece that is fit to.By this way, Inset 64 is assembled and is maintained in the groove 62 of guide rail 12.This Inset 64 is made by a kind of above-mentioned or similar material equally, can make in any suitable manner, comprises casting, machining, extruding or other method.Correspondingly, the leg 66 that is cooperating with groove 62 has prevented the lateral movement of Inset 64, makes that like this it is possible that the rigidity of Inset 64 is installed.
When foregoing description constitutes most preferred embodiment of the present invention, will be appreciated that the present invention is easy to be retrofited under the situation that does not depart from OK range of the present invention and reasonable meaning, change and change.

Claims (20)

1. linear rail device comprises:
One has top, bottom, opposite side-edge and the slide block of end mutually, the defining extending longitudinally be by the groove of slide block length between above-mentioned end face of above-mentioned slide block, and this slide block has a single structure that includes supporting surface in above-mentioned groove;
One has the guide rail of opposite end and the shape of cross section consistent with above-mentioned groove cross section shape, above-mentioned guide rail has a single structure that includes supporting surface, and above-mentioned guide rail is contained in the above-mentioned groove with the mode that above-mentioned thrust slide supporting face contacts face-to-face with above-mentioned guide rail support face;
At least one is mainly made above-mentioned slide block and guide rail by polymer material, and above-mentioned polymer material defines the above-mentioned supporting surface that contacts with above-mentioned guide rail with above-mentioned another slide block;
Each all has above-mentioned slide block and guide rail the part that partly matches with another one above-mentioned slide block is remained on the above-mentioned guide rail, allows slide block longitudinally to move with respect to guide rail.
2. according to the described linear rail device of claim 1, at least one is roughly integrally to be made by above-mentioned polymer material to it is characterized in that above-mentioned slide block and guide rail.
3. according to the described linear rail device of claim 1, it is characterized in that above-mentioned guide rail made by above-mentioned polymer material.
4. according to the described linear rail device of claim 1, it is characterized in that above-mentioned slide block made by above-mentioned polymer material.
5. according to the described linear rail device of claim 3, it is characterized in that above-mentioned slide block comprises non-polymer material, this non-polymer material scribbles synergy coating at least on the zone that forms above-mentioned supporting surface.
6. according to the described linear rail device of claim 4, it is characterized in that above-mentioned guide rail comprises non-polymer material, this non-polymer material scribbles synergy coating at least on the zone that forms above-mentioned supporting surface.
7. according to the described linear rail device of claim 1, it is characterized in that above-mentioned polymer material is by selecting in the cohort that comprises following material: epoxy resin, allyl ester, amino polymer, phenolic aldehyde, polyester, polyamide, polyamide-imides (polyamide-imides), nylon, cyanoacrylate (cyanoacrylates), polyurethane, siloxane and their mixture; Polystyrene, polyethylene, PVC, polyethylene terephthalate (polyetheleneterapthalate), and their mixture; Teflon and filling (filled) teflon.
8. according to the described linear rail device of claim 1, it is characterized in that further comprising that one is installed in the automatic positioning device of above-mentioned gliding mass, this device comprises a locating stud, and this locating stud is biased and contacts with above-mentioned guide rail.
9. according to the described linear rail device of claim 8, it is characterized in that above-mentioned slide block comprises that several are along slide block automatic positioning device axial and that distribute equidistantly.
10. according to the described linear rail device of claim 1, it is characterized in that above-mentioned polymer material is first polymer material, another of above-mentioned slide block and guide rail made by second polymer material, and second polymer material is different from above-mentioned first polymer material.
11. a linear rail device comprises:
One has the slide block of top, bottom, opposite side-edge and opposite end, above-mentioned slide block define the groove of extending longitudinally by slide block length between above-mentioned end face, above-mentioned slide block has a single structure that includes supporting surface in above-mentioned groove;
One has the guide rail of opposite end and the shape of cross section consistent with above-mentioned groove cross section shape, so that this guide rail can be contained in the above-mentioned groove; Above-mentioned Slipper defines the cannelure that roughly stretches along rail length;
The polymer Inset is positioned in the above-mentioned cannelure movably and forms supporting surface, this Inset axially with laterally with the clamping mutually of above-mentioned guide rail, remain in the above-mentioned groove.
12., it is characterized in that above-mentioned Inset is contained in the above-mentioned groove vertically according to the described linear rail device of claim 11.
13. according to the described linear rail device of claim 11, it is characterized in that further comprising the end cap that is installed in above-mentioned guide rail end surface, this end cap assists above-mentioned Inset is remained in the above-mentioned guide rail.
14., it is characterized in that above-mentioned Inset comprises the part that is meshed and cooperates with the part that limits above-mentioned groove, prevents that above-mentioned Inset side direction from shifting out above-mentioned guide rail according to the described linear rail device of claim 13.
15. according to the described linear rail device of claim 14, it is characterized in that above-mentioned Inset comprises select a kind of from the cohort of following material: epoxy resin, allyl ester, amino polymer, phenolic aldehyde, polyester, polyamide, polyamide-imides (polyamide-imides), nylon, cyanoacrylate (cyanoacrylates), polyurethane, siloxane and their mixture; Polystyrene, polyethylene, PVC, polyethylene terephthalate (polyetheleneterapthalate), and their mixture; Teflon and filling (filled) teflon.
16. a linear rail device comprises:
One has the slide block of top, bottom, opposite side-edge and opposite end, above-mentioned slide block define the groove of extending longitudinally by slide block length between above-mentioned end face, above-mentioned slide block has a single structure that comprises supporting surface in above-mentioned groove;
One has the guide rail of a top, opposing side and opposite end and the shape of cross section consistent with above-mentioned groove cross section shape, this guide rail is contained in the above-mentioned groove, have the part of a single structure and formation supporting surface, this supporting surface contacts with the supporting surface of above-mentioned slide block in aspectant mode;
Several are installed in the automatic positioning device on the slide block, each includes a polymer locating stud and a bias component, the above-mentioned bias component above-mentioned locating stud of setovering contacts with above-mentioned guide rail, above-mentioned positioning device is installed on the slide block, at least one is positioned in axial half one of above-mentioned slide block in the said apparatus like this, has at least two to be positioned in vertical half one of slide block.
17. according to the described linear rail device of claim 16, it is characterized in that said apparatus is installed in the hole that forms in gliding mass, above-mentioned hole is laterally directed with respect to above-mentioned groove, above-mentioned like this locating stud just contacts with the side of above-mentioned guide rail.
18., it is characterized in that above-mentioned locating stud made by polymer material according to the described linear rail device of claim 16.
19. according to the linear rail device shown in the claim 16, it is characterized in that above-mentioned locating stud near above-mentioned guide rail in part and the engagement of above-mentioned guide rail.
20., it is characterized in that in the said apparatus one of them is positioned at each end face near above-mentioned slide block according to the described linear rail device of claim 16.
CN99805557A 1998-03-18 1999-03-18 Polymer linear guide Pending CN1298476A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US7843398P 1998-03-18 1998-03-18
US60/078,433 1998-03-18
US9406198P 1998-07-24 1998-07-24
US60/094,061 1998-07-24

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CN1298476A true CN1298476A (en) 2001-06-06

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EP (1) EP1066474A4 (en)
JP (1) JP2002506956A (en)
KR (1) KR20010041986A (en)
CN (1) CN1298476A (en)
AU (1) AU3095799A (en)
BR (1) BR9909657A (en)
CA (1) CA2324101A1 (en)
WO (1) WO1999047824A1 (en)

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BR9909657A (en) 2000-11-21
AU3095799A (en) 1999-10-11
EP1066474A1 (en) 2001-01-10
JP2002506956A (en) 2002-03-05
CA2324101A1 (en) 1999-09-23
EP1066474A4 (en) 2003-01-29
WO1999047824A1 (en) 1999-09-23
KR20010041986A (en) 2001-05-25

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