Abstract: A linear guide apparatus is provided in which an excellent sealing performance is achieved. The linear guide apparatus includes a retainer for retaining plural cylindrical rollers rotatably in a rolling element rolling passage. The retainer includes an opening portion and accommodates for retention of the plural cylindrical rollers in the opening portion. The retainer also includes an endless seal unit surrounding the opening portion. The seal unit includes an inward facing lip inclining toward the inner side of the opening portion and extending toward the guide rail to be in sliding contact with the guide rail. The inward facing lip is formed continuously all around the seal unit. The seal unit includes an outward facing lip inclining toward the outer side of the opening portion and extending toward the guide rail to be in sliding contact with the guide rail, in addition to the inward facing lip.

Abstract: A non-contact seal device is provided such that when attaching an end seal to a slider, positioning members can be used for positioning in the vertical and horizontal directions. Due to this, the end seal can be positioned with respect to the outer surfaces of the guide rail without using a specialized positioning fixture and then attach the end seal to the slider. Further, the projecting length of the positioning members is the same as the distance of the clearance between the guide rail and the end seal. Due to this, it becomes possible to attach the end seal to the slider so that the clearance between the guide rail and the end seal becomes the same as the distance of the clearance without using a specialized positioning fixture.

Abstract: A linear guide apparatus includes a set of two side seals disposed at each of both ends in the direction in which a slider moves. An inner seal disposed at the slider side and an outer seal are individually attached to the slider by bolts and, respectively. Accordingly, the two side seals can be attached easily and highly precisely to the slider.

Abstract: Provided is a seal plate (40) for a movement guide device that can be produced easily from optimal materials according to a usage environment of the movement guide device and can be produced simply at low cost. The seal plate (40) is mounted on a mobile block (2) that moves along a track rail (1) and closes a gap between the mobile block (2) and the track rail (1). The seal plate (40) includes a base material of a woven and knitted fabric or nonwoven fabric, and a binder component (40b) which is dispersed in the base material and partially binds together fibers (40a) which form the woven and knitted fabric or nonwoven fabric, and has a plurality of voids formed therein.

Abstract: Two kinds of side seals are assembled by a seal member, a holder plate, and a cover. A base of the seal member is formed in a symmetrical shape with respect to a center line of a thickness direction. The seal member includes recesses formed in both faces of the base in the thickness direction and fitted with a protrusion of the holder plate. A lip of the seal member is inclined in a direction from a first face toward a second face in the thickness direction.

Abstract: A seal member is a member including a lip, a seal base, a first extension section smaller in thickness than the seal base, and a first locking section, all of which are formed to be continuous in the cross-sectional direction. A retainer plate includes a base accommodating concave section for accommodating the seal base, and a first engagement concave section for accommodating the first locking section, and controls the first locking section to prevent the seal member from falling off. The first locking section is accommodated in the first engagement concave section with gaps left in the thickness and cross-sectional directions.

Abstract: There is provided a linear guide device which enables easy management of the amount of clearance between a side seal member and guide rail, which can reduce the amount of fine particles which escape to the outside of the side seal member. Such a linear guide device is suitable for being used in a clean room environment. The linear guide device is provided with a side seal member attached to an axial direction end part of a slider while providing a predetermined amount of clearance with a guide rail. The side seal member is formed integrally and has a thickness in the axial direction of 25 to 140 times the amount of clearance.

Abstract: The motion guide device includes: a track rail including insertion holes for fixing bolts; and a moving block assembled to the track rail through intermediation of a large number of rolling elements. The moving block includes an adhering matter path provided at a position opposed to the insertion holes of the track rail, the adhering matter path allowing matters adhering on the track rail to pass from one end to another end of the moving block. A pair of path forming members are fixed to both ends of the moving block in a moving direction thereof. The path forming members each include: a pair of end seal portions which traverse rolling-element rolling surfaces of the track rail and abut against a surface of the track rail; and a path opening portion which is provided between the end seal portions and forms an entrance of the adhering matter path.

Abstract: The sliding mechanism including rolling elements 3 as a main element is protected against entry of foreign substances. First, second auxiliary lips 14, 15 are formed in positions on inclined faces 9b formed on lips 9 of end seals S facing and making contact with end faces of sealing members 4, 5. Gaps 10, 11 otherwise formed between different levels of the end faces of the sealing members 4, 5 and the inclined faces 9b of the lips 9, are closed with the first, second auxiliary lips 14, 15. Since the gaps 10, 11 are thus closed, foreign substances do not enter the sliding mechanism M through the gaps 10, 11.

Abstract: The sealing performance by a side seal is improved by changing the sealing function of the side seal for a linear guide apparatus which includes, as constituting components, a seal member, a holder plate that holds the seal member, and a cover (a scraper) depending on its application of the side seal. Plural types of the seal members (1A to 1B) which have a difference in at least any one of the inclination, the material, the thickness, and the tip shape of lips (11a to 11f) are prepared as the seal members. Multiple numbers of the seal members among those seal members are appropriately selected, the same number of the covers and the same number of the holder plates are combined together to assemble the side seal.

Abstract: A side seal for a linear guide apparatus including a guide rail, a slider, and a plurality of rolling elements includes seal members formed of different materials, a holder plate and covers. Both seal members have recesses formed in a first face of a base and fitted with a protrusion of the holder plate. Both seal members have respective lips directed in opposite directions separated from each other. A tip of the lip of the first seal member is formed to have a shape in plane contact with the face of the guide rail. A tip of the lip of the second seal member is formed to have a shape in line contact with the face of the guide rail.

Abstract: A non-contact seal device is provided such that when attaching an end seal to a slider, positioning members can be used for positioning in the vertical and horizontal directions. Due to this, the end seal can be positioned with respect to the outer surfaces of the guide rail without using a specialized positioning fixture and then attach the end seal to the slider. Further, the projecting length of the positioning members is the same as the distance of the clearance between the guide rail and the end seal. Due to this, it becomes possible to attach the end seal to the slider so that the clearance between the guide rail and the end seal becomes the same as the distance of the clearance without using a specialized positioning fixture.

Abstract: There is provided a linear guide bearing device, and a seal member used for the same, in which the entry of foreign matter to the inside the slider and leakage of lubricant from the inside of the slider are prevented and the manufacturing costs are reduced. For this end, a linear guide bearing device 1 is configured with multiple seal members (31, 32, 33) arranged in an axial direction of a slider (20) are provided at end portions of a slider (20) so as to slide against rolling element rolling grooves (11) of a guide rail (10). The multiple seal members (31, 32, 33) are provided with: seal main bodies (31a, 32a, 33a) respectively having lip parts (31b, 32b, 33b) sliding against the rolling element rolling grooves (11); and reinforcing members (31c, 32c, 33c) arranged on both daces of the seal main bodies (31a, 32a, 33a), respectively.

Abstract: According to the present invention, two kinds of side seals (203A and 203B) are assembled by a seal member (1), a holder plate (2), and a cover (3). A base (12) of the seal member (1) is formed in a symmetrical shape with respect to a center line of a thickness direction. The seal member (1) includes recesses (12a) formed in both faces of the base (12) in the thickness direction and fitted with a protrusion (21) of the holder plate (2). A lip (11) of the seal member (1) is inclined in a direction from a first face (13) toward a second face (14) in the thickness direction.

Abstract: A rolling device having high silencing effect and requiring no positional alignment working to the seal is provided. The rolling device includes an inner member, an outer member and a number of rolling members disposed between these inner and outer members to thereby allow the outer member to carry out relative rotational motion with respect to the inner member. In such rolling device, an end plate 24 is mounted to each end portion of the outer member. This end plate 24 is provided with an end plate body 24a, a packing member 24c disposed on an abutting surface to the outer member and a seal member 24b slidably contacting the inner member with substantially no clearance. The end plate body 24a, the packing member 24c and the seal member 24b are integrally formed.

Abstract: A linear bearing assembly including a linear bearing plate, a base plate to support the linear bearing plate within a machine, a sealing structure to seal a volume defined between the linear bearing plate and the base plate, and a fluid adapted to be injected into the volume via at least one injection port. The fluid is injected at a sufficient pressure so as to alter an orientation of the linear bearing plate or the base plate toward an initial geometric orientation.

Abstract: Lubrication for rolling elements are made in a turnaround passage in an end cap to ensure proper and steady lubrication by the lubrication system simple in construction, with accompanying sustainable maintenance-free condition for lubrication. The end cap has an inward end surface facing directly towards the end surface of the carriage of the slider and having a concavity which sinks below the inward end surface and has openings communicating with the turnaround passages. A porous compact impregnated with lubricant is fitted into the concavity in a fashion exposed in part to the turnaround passage through the openings so that the rolling elements rolling through the turnaround passages, as coming into rolling-contact with the parts of the porous compact exposed out of the openings, are applied with the lubricant.

Abstract: A rotating flow diverter has a lubricated sealed bearing assembly for isolating bearing elements from wellbore fluids under pressure. The sealed bearing assembly is supported between an outer bearing housing and an axially rotatable quill. The bearing assembly further has bearing elements with a bearing lubricant under pressure and a seal assembly. The seal assembly has at least one sealing element which comprises a body, the body having an outer peripheral wall, an inner sealing surface having a plurality of sealing lips and an annular cavity, and a loading ring for compressionally fitting within the annular cavity to urge the sealing surface radially inwardly for sealing engagement with tubulars.

Abstract: A side seal attached to each of both ends of a slider of a linear guide in a sliding direction and sliding in contact with a guide rail includes: a seal main body formed by shaping an elastic material using a mold and sliding in contact with the guide rail; and a holder for housing and holding the seal main body. A gate burr housing for an elastic-material gate burr of the seal main body is formed in a seal main body holder housing. This eliminates the need of complete cutting or elimination of the elastic-material gate burr of the seal main body, and improves assembling performance. The gate burr housing is formed at a front or rear side of the seal main body housing of the holder, and the elastic-material gate burr of the seal main body is formed at a corresponding portion to the gate burr housing.

Abstract: A linear guide apparatus includes a set of two side seals disposed at each of both ends in the direction in which a slider moves. An inner seal disposed at the slider side and an outer seal are individually attached to the slider by bolts and, respectively. Accordingly, the two side seals can be attached easily and highly precisely to the slider.

Abstract: The motion guide device includes: a track rail including insertion holes for fixing bolts; and a moving block assembled to the track rail through intermediation of a large number of rolling elements. The moving block includes an adhering matter path provided at a position opposed to the insertion holes of the track rail, the adhering matter path allowing matters adhering on the track rail to pass from one end to another end of the moving block. A pair of path forming members are fixed to both ends of the moving block in a moving direction thereof. The path forming members each include: a pair of end seal portions which traverse rolling-element rolling surfaces of the track rail and abut against a surface of the track rail; and a path opening portion which is provided between the end seal portions and forms an entrance of the adhering matter path.

Abstract: A method by which water may be extracted from the air even without a supply of electricity from a power source or even without a supply of fuel, as well as an apparatus therefor, is disclosed. The apparatus used for the method for extracting water from the air comprises at least a rotatably mounted hygroscopic moisture-absorbing rotor having at least one region through which air can pass in the direction of thickness thereof; a passage for regeneration through which air for regeneration is circulated, of which both ends are opened at the opposing two surfaces of a regeneration region, respectively, the regeneration region being a part of the moisture-absorbing rotor, at which the moisture-absorbing rotor that absorbed moisture is regenerated; and a drain hole for taking out condensed water from the passage for regeneration.

Abstract: A wiper seal is less in sliding resistance that is encountered when the seal slides over a raceway surface of a guide rail, better in wear-proof quality, rich in durability, and further easy to steadily install it to a slider. The wiper seal is installed on one end of the slider in a linear motion guide system to wipe away foreign materials adhered on the guide rail. The wiper seal is made of polyester polyurethane foam having a reticular skeleton texture of three-dimensional construction including open-cells therein, the polyester polyurethane foam being squeezed or compressed into from ¼ to 1/20 in thickness to form a compact blank of three-dimensional construction having porosity therein. The wiper seal is set to come into sliding contact with the guide rail 1 to exert a positive interference of from 0.1 mm to 0.05 mm.

Abstract: A sealing member for a rolling device is applied to a rolling device with inner and outer members and a plurality of rolling members between so the rolling members can roll to allow relative rotational or linear movement of the outer member with respect to the inner member. The sealing member includes an inner and outer lip parts that press the inner and outer members, respectively. The outer lip part is less rigid than the inner lip part. The sealing member may have a substantially circular shape and surround the inner member. Alternatively, the sealing member may have a substantially plate-like shape and extend in a direction of relative movement of the outer member with respect to the inner member. The sealing member for a rolling device configured as described above and a rolling device provided with the sealing member can be adequately used even in a hostile environment.

Abstract: A seal member is a member including a lip, a seal base, a first extension section smaller in thickness than the seal base, and a first locking section, all of which are formed to be continuous in the cross-sectional direction. A retainer plate includes a base accommodating concave section for accommodating the seal base, and a first engagement concave section for accommodating the first locking section, and controls the first locking section to prevent the seal member from falling off. The first locking section is accommodated in the first engagement concave section with gaps left in the thickness and cross-sectional directions.

Abstract: A guide carriage for a linear roller bearing is supportable in a longitudinally displaceable manner via at least one row of rollers on a guide rail which extends in a longitudinal direction, a separate rolling surface part which includes a rolling surface for the rollers is assigned to each row of rollers, and the rolling surface part is connected via an adhesive layer to a carrier body. The adhesive layer is designed essentially planar on the back side of the rolling surface part which faces away from the rolling surface, the rolling surface part being accommodated in a recess—which has an L-shaped cross section—of the carrier body.

Abstract: The guide rail has a longitudinal groove arranged along its upper rail side and a cover strip which closes off the groove and bears flush against the plane of the upper rail side. The spacing between opposite groove walls of the groove is smaller than the leveled cover strip. In order to retain the cover strip, each of the groove walls are provided with an undercut and retaining strips provided at both longitudinal sides of the cover strip engage into the undercuts. The cover strip is plastically curved around an axis which is parallel to the guide rail, such that the curved cover strip is smaller than the spacing between the groove walls, and after being inserted into the longitudinal groove, the curved cover strip is leveled by means of plastic deformation, such that the retaining strips are displaced into the undercuts.

Abstract: A seal (1) for a hydrostatic linear guide with a given adjustment direction (5), with a longitudinal seal section (7, 7?) extending essentially parallel to the adjustment direction (5), and with a transverse seal section (8, 8?) extending essentially transverse to the adjustment direction (5), wherein a first sealing lip (12) extends along the longitudinal seal section (7, 7?) and a second sealing lip (14) extends along the transverse seal section (8, 8?), and wherein the longitudinal seal section (7, 7?) and the transverse seal section (8, 8?) are connected to each other. Here it is provided that the first sealing lip (12) and the second sealing lip (14) merge into each other with a constant curvature (18). With such a seal (1), both a high degree of static oil tightness and also a high degree of dynamic oil tightness are achieved for a hydrostatic linear guide.

Abstract: A pull-out guide for a domestic appliance. The pull-out guide includes a stationary guide rail and a running rail movably mounted on the stationary guide rail.

Abstract: A motion guide device that has a novel damping structure different from the conventional damping structure is provided. The present invention comprises a raceway member (1) having a rolling-element rolling part (1a); a moving member (2) having a loaded rolling-element rolling part (2a) facing the rolling-element rolling part (1a) and being allowed to make a linear or curved movement relatively to the raceway member (1); and a plurality of rolling elements (3) intervening between the rolling-element rolling part (1a) of the raceway member (1) and the loaded rolling-element rolling part (2a) of the moving part (2). A gap (16) between the raceway member (1) and the moving member (2) is filled with a layer of oil contacting the raceway member (1) and the moving member (2). Viscosity resistance of the oil is utilized to apply a braking force to the moving member (2) or the raceway member (1) in proportion to a speed.

Abstract: A linear motion rolling guide unit, which has underside seals prevented from falling off a slider, comprises a slider having a pair of end caps secured at ends of a casing, and underside seals provided between the pair of end caps having engaging projections. Insertion holes are formed in the underside seals and engaged with the engaging projections to secure the underside seals to the slider. Fallout-inhibiting protrusions are provided at ends of each underside seal in the longitudinal direction. The slider has holding portions each having a hole or a recess into which each of the fallout-inhibiting protrusions is inserted when the underside seal is secured to the slider. A gap is maintained between the holding portion having the hole or the recess and the outer periphery of the fallout-inhibiting protrusion.

Abstract: A high-pressure-tight slide bearing device for minimally-invasive instruments comprises an inner shaft part (2), an outer part (3) which is seated thereon and is displaceable relative thereto, and a slippable seal (5) in a gap (4) between shaft part and outer part (2, 3), wherein the seal (5) consists of swellable, hydrophilic material which can be activated by the influence of a fluid in such a manner that due to the activation, the gap (4) is pressure-tight closed while, at the same time, sliding properties between shaft part and outer part (2, 3) are provided.

Abstract: Embodiments of the invention include a system for guiding an instrument. The system may include a frame and a bearing assembly supported by the frame. The bearing assembly may include an outer tubular member supported by the frame and including a proximal end and a distal end. The bearing assembly may also include a bearing at least partially disposed within at least one of the proximal end and the distal end of the outer tubular member. The channel may extend through the outer tubular member and the bearing.

Abstract: A lubricating device for a linear rolling bearing which has a guide rail and a carriage that is longitudinally moveable on the guide rail and supported on the guide rail by rolling bodies. The rolling bodies are guided in longitudinal grooves along the guide rail, and the lubricating device is fastened to the carriage and lubricate the longitudinal grooves and/or the rolling bodies. The lubricating device also has lubricant supply ducts, which supply a lubricant to the longitudinal grooves and clear outlet openings in the region of the longitudinal grooves for transferring the lubricant to the longitudinal grooves. The lubricant supply ducts are covered by at least one absorbent repository element along the courses thereof in coverage areas. The repository element is designed and/or arranged to absorb lubricant in the coverage areas and to conduct it to the longitudinal grooves in parallel with the lubricant supply channels.

Abstract: A hydrostatic mounting of longitudinally displaceably arranged machine parts, which have pressure pockets for hydraulic fluid for building up a hydrostatic pressure between two machine parts, gaps connected to the pressure pockets and delimited by gap faces of the two machine parts, a drainage for the reception of hydraulic fluid flowing out from the gaps, and a seal, arranged effectively between the machine parts and surrounding the gaps, sealing against the escape of hydraulic fluid. An environment-side portion of the seal is at the same time a portion of the drainage creating a double-acting portion. The double-acting portion of the seal is formed from a material permeable to the hydraulic fluid.

Abstract: Provided are a motion guide device and a screw device each having a cover for protecting the device against moisture, such as coolant, and powder dust. The motion guide device has a raceway member 11, a moving member main body 21 mounted on the raceway member 11 through a plurality of rolling elements and cap members 22 attached to respective end surfaces of the moving member main body 21 in a relative moving direction. A seal cover 50 is provided having a cover main body 51 that covers each of the cap members 22 and a seal section 55 that is provided between the cover main body 51 and a cap member-side end surface of the moving member main body 21 to stop a gap between the cap member-side end surface of the moving member main body 21 and the cover main body 51. This structure makes it possible to reliably prevent any foreign material, such as powder dust or swarf, and moisture, such as coolant, from getting into the inside of the moving member 20.

Abstract: A hydrostatic mounting of longitudinally displaceably arranged machine parts, which have pressure pockets for hydraulic fluid for building up a hydrostatic pressure between two machine parts, gaps for the hydraulic fluid which are adjacent to the pressure pockets and are delimited by gap faces of the two machine parts, drainage for the reception of hydraulic fluid, and at least one seal arranged between the machine parts and surrounding the drainage sealing against leakage of hydraulic fluid out of the hydrostatic mounting. At least one circumferential portion of the seal has an outer sealing lip and an inner sealing lip. The inner sealing lip is adjacent to the gaps, and a vacuum-loadable drainage portion of the drainage is arranged between the two sealing lips.

Abstract: A rotating flow diverter has a lubricated sealed bearing assembly for isolating bearing elements from wellbore fluids under pressure. The sealed bearing assembly is supported between an outer bearing housing and an axially rotatable quill. The bearing assembly further has bearing elements with a bearing lubricant under pressure and a seal assembly. The seal assembly has at least one sealing element which comprises a body, the body having an outer peripheral wall, an inner sealing surface having a plurality of sealing lips and an annular cavity, and a loading ring for compressionally fitting within the annular cavity to urge the sealing surface radially inwardly for sealing engagement with tubulars.

Abstract: A free ball bearing includes: a main body that has a ball retainer where a ball-retaining recess having an inner surface of a semi-circular recessed surface is formed; a plurality of retainer balls that is disposed on the semi-circular recessed surface of the main body and a main ball that has a diameter larger than the retainer balls and is rotatably supported through the retainer balls; a cover portion that surrounds the ball retainer of the main body while ensuring a predetermined internal space; a retained ball-pressing ring that has a ring-shaped pressing member that is inserted in between the semi-circular recessed surface of the main body and the main ball and presses the retainer balls, and is disposed to be movable in the internal space in the depth direction of the ball-retaining recess, between a pressing position where the retainer balls are pressed and a releasing position where the retainer balls are released; and a releasing mechanism that moves the retained ball-pressing ring from the pressing

Abstract: A motion guide device is provided, which is able to not only lubricate rolling-element rolling surfaces with the use of a technique totally different from conventional lubricating techniques but also maintain a lubricating capability over a long period of time. The motion guide device for use in the vacuum environment a track member (1) having a rolling-element rolling part (1a), a moving member (2) having a rolling-element circulation passage containing a loaded rolling-element rolling part (2a) facing the rolling-element rolling part (1a) and being movable relatively to the track member (2), a plurality of rolling elements (3) placed in along the rolling-element circulation passage, and a lubricant storing member storing lubricant, which member is attached to the moving member (2) without contacting the track member (1). The lubricant storing member is exposed in a space formed between the track member (1) and the moving member.

Abstract: Provided are a sliding component, such as a mechanical seal ring, which is capable of maintaining superior sliding characteristics even in the long-term continuous use thereof, as well as a mechanical seal, a faucet valve, and a rolling support device, each of which includes the sliding component. The sliding component includes a stationary member, and a movable member contactedly sliding on the stationary member. The stationary member and the movable member are respectively composed of a silicon carbide sintered body containing graphite. The content of the graphite in one of the stationary member and the movable member is at least 4% by mass greater than in the other. Thus, the sliding component includes the stationary member and the movable member which are a combination of those having different contents of graphite. Owing to a high lubricating effect, the superior sliding characteristics can be maintained, permitting a long-term continuous sliding.

Abstract: A movement guiding device for a vacuum environment is provided so that the device is able to suppress a base oil vaporized in the vacuum environment from leaking to the outside. The movement guiding device for a vacuum environment according to the present invention comprises a track member (1) having a rolling-element rolling part (1a), a moving member (2) having a rolling-element circulation passage containing a loaded rolling-element rolling part (2a) facing the rolling-element rolling part (1a) and being movable relatively to the track member (1), a plurality of rolling elements (3) arranged in the rolling-element circulation passage, clearance seals (5, 6) arranged with the moving member (2) and sealing a clearance formed between the track member (1) and the moving member (2) without coming in contact with the track member (1).

Abstract: A mounting plate is used to install any optional accoutrements or attachment on a linear motion guide unit. The mounting plate is made of a molded product which is inexpensive in production cost and easier in its accurate conjunction with a slider to get the attachment bringing out the best in function. The mounting plate is made to have surfaces opposite to each other, one of which is a first mounting surface inward coming into mating with the one end surface of the slider and another is a second mounting surface outward coming into mating with the attachment. The mounting plate is made of a molded product. The mounting plate is made of an injected mold product of synthetic resin which is composed of a major part of synthetic resin and a metal core centrally embedded in the major part.

Abstract: An anti-dust structure for a sliding block of a linear guideway comprises a sliding block, two end caps, plural rolling elements, a flexible anti-dust strip and a rail. The two end caps are assembled to both ends of the sliding block, the rolling elements are disposed on the rail. Between the end cap and the sliding block is defined a circulating path. The two end caps are each extended from an inner side thereof to form a linking portion, and the two linking portions of the two end caps are linked to each other to define an endless positioning groove including two longitudinal grooves and two transverse grooves. The flexible anti-dust strip is disposed in the positioning groove of the end caps and integrally formed with protruding lip portions for cooperating with the two longitudinal grooves.

Abstract: Lubrication for rolling elements are made in a turnaround passage in an end cap to ensure proper and steady lubrication by the lubrication system simple in construction, with accompanying sustainable maintenance-free condition for lubrication. The end cap has an inward end surface facing directly towards the end surface of the carriage of the slider and having a concavity which sinks below the inward end surface and has openings communicating with the turnaround passages. A porous compact impregnated with lubricant is fitted into the concavity in a fashion exposed in part to the turnaround passage through the openings so that the rolling elements rolling through the turnaround passages, as coming into rolling-contact with the parts of the porous compact exposed out of the openings, are applied with the lubricant.

Abstract: The suspension bump stop device comprises a rolling bearing (44) that forms an axial bump stop, equipped with an upper ring (46), with a lower ring (48) and with a plurality of rolling elements positioned between the rings, the upper and lower rings being supported respectively by an upper cup (40) and a lower cup (42), the lower cup forming a bearing means for a suspension spring (18), at least one sealing lip being provided on one of the cups so that it bears against a bearing surface portion of the other cup. The bearing surface portion is substantially cylindrical, the sealing lip being directed downwards away from the rolling bearing and bearing with radial interference against the said surface portion, the said substantially cylindrical surface portion being connected towards the top to a shoulder against which the lip can bear if the two cups become radially eccentric relative to one another.

Abstract: An inside seal is installed in a recess open downward in the slider to keep load-carrying races kept free of foreign materials that have already crept into the inside of the slider. The inside seal is composed of a metallic core and a sealing member that includes a joint portion secured to the core and a major portion integral with the joint portion. The joint portion has a mating surface to come into engagement with a downward surface deep inside the recess cut in a carriage while the major portion includes a first lip to come into sliding engagement with a guide rail, a second lip come into abutment against an inward sidewall of the recess, and third lip to come into abutment against the downward surface.

Abstract: A structure for closing a track rail mounting hole is disclosed, which prevents a closing cap from being press-fitted with an inclined state into the rail mounting hole, thereby being capable of positively preventing formation of a gap between the rail mounting hole and the closing cap. The closing cap includes a fitting portion having an outer diameter larger than an inner diameter of the rail mounting hole, to be press-fitted into the rail mounting hole; and a leading end portion to be inserted into the rail mounting hole before press-fitting the fitting portion into the rail mounting hole, for provisionally positioning the closing cap with respect to the rail mounting hole.

Abstract: A traction drive power transmission device, where a lubrication oil can be stably and continuously applied for a long period to portions at which rollers and a shaft are in contact with each other, shortage of the lubrication oil does not occur at the contact portions, the lubrication oil is not wasted, and which does not impair work environment by contaminating floor surface etc. A traction drive power transmission device has at least one drive roller (12a), a follower roller (12b), and a circular cylinder-like shaft (11). The shaft (11) is held between the drive roller (12a) and the follower roller (12b). When the drive roller (12a) is rotated, rotational force by the rotation is transmitted to the shaft (11) to drive it in its axial direction. The device has a lubrication oil-delivering portion (20) with application bodies (22-1, 22-2) for applying a lubrication oil only to portions where the shaft (11) is in contact with the drive roller (12a) and the follower roller (12b).

Abstract: In a linear guide device including: a rail having on either side surface thereof a track recess with a track surface formed thereon; a rail cover covering a rail upper surface of the rail; a saddle-like slider moving linearly on the rail; and a rolling member circulating through a connection path provided in the slider and adapted to roll on the track surface of the rail, the rail cover is equipped with a side edge portion having an engagement portion, an upper track surface serving as an engagement surface is provided in a lower portion of an upper side surface of the rail, the engagement surface being a slope gradually diminishing in the rail width direction downwardly from the upper side surface, and an engagement portion of the rail cover is engaged with the engagement surface, whereby it is possible to achieve an increase in the speed of the rail grinding work for allowing engagement of the rail cover covering the rail upper surface of the liner guide device.