Abstract: An improved sleeve bearing for locomotive traction motor that provides additional lubrication over and above that of the one central wick currently used. The sleeve bearing is provided with a recirculation system comprised of either at least two additional wicks located near the 6:00 operating location or multiple oil communication and delivery grooves passageways communicating with the oil flinger grooves placed for the purpose of collecting and providing a mechanism for providing additional lubrication for extending the oil-wetted envelope available for supporting the truck-axle journal in the axial direction.

Abstract: A linear guideway with a negative pressure type dust absorption structure comprises a linear guideway and a negative pressure type dust absorption structure. The linear guideway includes a sliding block and a sliding seat. The sliding block is movably disposed on the sliding seat. The negative pressure type dust absorption structure is disposed on the sliding block and includes at least one guiding passage having at least one inlet and one outlet. The outlet is connected to a negative pressure source, such that the suction is produced, so as to absorb dust from the inlet of the guiding passage.

Abstract: Systems, methods and apparatus are provided through which, in some embodiments, an extending column is comprised of a plurality of stacked slides that are mounted to each other through linear bearing assemblies that allow the extending column to telescope inward and outward. Some embodiments of the extending column have a synchronization mechanism between each slide to extend each slide in equal distances relative to each other.

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 object has bearing location where the object comes into contact with a counter-piece. The bearing location includes a coating to reduce wear and friction. The coating comprises about 90-100 weight percent thermoplastic polymer and about 0-10 weight percent finely divided solid fillers and finely divided dry lubricants. The coating has a thickness of between about 5-50 ?m.

Abstract: Provided is a bearing bush enabling excellent advancing and retreating movements of a shaft member by eliminating a clearance between the bearing bush and the shaft member to eliminate a backlash therebetween, capable of reducing a load of dimension control on both the bearing bush and the shaft member, and capable of being manufactured at a low cost. The bearing bush (4) for supporting the reciprocating movement of the shaft member (1) in an axial direction has a receiving hole through which the shaft member (1) is passed. Grooves (40) are sequentially formed at predetermined intervals in an inner peripheral surface of the bearing bush (4) facing the receiving hole. An inner diameter of the receiving hole is formed to be equal to or smaller than an outer diameter of the shaft member (1), and the bearing bush is press-fitted to an outer peripheral surface of the shaft member (1) in a state of a so-called interference fit.

Abstract: An electric machine having a hybrid bearing for the purpose of supporting a rotor with respect to a stator, the hybrid bearing consisting of a radial bearing, taking the form of a fluid dynamic bearing, and an axial bearing that is made up of magnetic elements, wherein the magnetic elements comprise at least one permanent magnet and one flux guide element that are disposed so as to be located opposite each other in a radial direction.

Abstract: A bearing comprises at least one bearing ring on which a raceway is formed. The ring comprises at least a first component of light metal material and at least a second component of fully dense ceramic material, where the first component and the second component are separate entities joined together, and where the second component comprises at least part of the raceway.

Abstract: An improved sleeve bearing for locomotive traction motor that provides additional lubrication over and above that of the one central wick currently used. The sleeve bearing is provided with a recirculation system comprised of either at least two additional wicks located near the 6:00 operating location or multiple oil communication and delivery grooves passageways communicating with the oil flinger grooves placed for the purpose of collecting and providing a mechanism for providing additional lubrication for extending the oil-wetted envelope available for supporting the truck-axle journal in the axial direction.

Abstract: There is provided a linear guide apparatus which, owing to the use of a gap-free braking device in a rolling guide, has a sufficiently high damping capacity. The linear guide apparatus for guiding a linear motion of a movable body along a guide rail on a fixed structure in a machine tool, includes: a rolling guide section including a rolling element for rolling on a rolling element-rolling surface of the guide rail; and a brake section for enhancing the damping capacity of the rolling guide section, the brake section including a pair of brake shoes, having a flexible structure, for sliding on the rolling element-rolling surface of the guide rail.

Abstract: A rotary member such as a member of a bearing, a rotating member of a transmission or a gear for a motor vehicle, includes a base region of a ferrous base material such as a steel. The rotary member is formed with a hydrogen blocking layer formed in a contact surface for contacting with a mating body in a relative motion. The hydrogen blocking layer includes a concentrated portion formed in the base region and made of a substance lower in hydrogen diffusion coefficient than the base material.

Abstract: A slide mechanism includes first and second rails connected for relative sliding movement with respect to each other. A damper mechanism is secured to one of the rails and can be connected to and disconnected from the other of the rails to provide a damping effect for relative movement of the rails during at least a part of the movement thereof.

Abstract: A gas restrictor particularly usrful for applicatio in gas bearing as used, for example, in free-piston Striling cycle machinery. Porous strip material together with a backing plate and orifice (bleed hole) is used to provide the restriction to the flow of gas into an annular gap between a piston and a cylinder.

Abstract: A railroad car energy absorption apparatus is disclosed. The railroad car energy absorption apparatus includes a spring assembly having an elastomer spring element arranged in operable combination with structure for inhibiting localized heat deterioration of the elastomer spring element.

Abstract: The linear guide apparatus includes a guide rail 3 including a rolling body rolling groove 8 and a friction apply unit 6 assembled to the guide rail 3. The friction apply unit 6 includes a unit main body 15, a brake member 16, an oil pressure cylinder 17 and a plate spring 32. The brake member 16 is disposed so as to face the side surface 3a of the guide rail 3 and can be contacted with the other portions of the side surface 3a than the rolling body rolling groove 8 thereof. The oil pressure cylinder 17 includes a piston member 20 which is structured to be driven in a positive direction to thereby press the brake member 16 against the side surface 3a of the guide rail 3 and also the piston member 20 can be driven in the opposite direction to thereby remove the pressure of the brake member 16 from the side surface 3a.

Abstract: The present invention relates to a new guide actuator with high radial direction load capability, which has the purpose of providing a directional force bearing way to common loading method to make the actuator can bear load and transmit with higher accuracy. On design, the present invention has grooves bearing load at the center of the bottom of the U-shape guide structure, and a table is set between two inner side walls of the U-shape guide structure, grooves corresponding to the grooves of the U-shape guide structure being set at the bottom of the table, rollers being set between grooves and grooves to make the table and the U-shape guide structure slide respect to each other with very low friction due to rolling motion of the rollers with high radial load capability.

Abstract: There is provided a linear guide apparatus which, owing to the use of a gap-free braking device in a rolling guide, has a sufficiently high damping capacity.

Abstract: The present invention is to offer a rubber material composition excellent in an abrasion resistance and less to cause heat by friction, and is suitably used to sealing members of rolling devices to be used with grease lubrication under severe circumstances allowing water or dusts to much exist. The rubber material composition is fabricated with carboxylated acrylonitrile-butadiene rubber.

Abstract: A bearing assembly is disclosed, which comprises at least two slidable fasteners interengaged with at least two bearing pieces such that the slidable fasteners have substantially unrestricted biaxial motion relative to one another. The bearing pieces are comprised of self-closable fastener film comprising a base sheet and a multiplicity of ribs projecting from the base sheet, wherein the flat side of the first bearing piece is attached to the flat side of the second bearing piece such that the ribs of the first bearing piece are not parallel relative to the ribs of the second bearing piece.

Abstract: The invention relates to a slide bearing for a stationary or rotary shaft roll (1, 1′) in a paper/board or finishing machine, and a method for manufacturing a slide bearing for such a roll, said bearing comprising a number of bearing elements provided with hydraulically loadableloading shoes (2, 2′), which are mounted either on a stationary shaft (3) of the stationary shaft roll (1) for supporting a roll shell (4) rotatably and for loading the same hydraulically, or around a rotating shaft (5) of the rotary shaft roll (1′) for supporting the shaft (5) rotatably relative to a bearing block (6) or the like.

Abstract: A rubber composition containing a tetrafluoroethylene-propylene bipolymer and from 0.02 to 10 parts by weight of a liquid polybutadiene per 100 parts by weight of the tetrafluoroethylene-propylene bipolymer and a rubber sealing device in which the rubber composition is joined to a reinforcing member are described, by which long-life rubber sealing devices which are highly tolerant to liquids containing amine-based additives, for example, soluble-type synthetic cutting coolants and engine oils suitable for high-speed processing and can sustain favorable sealing performance over a long period of time and rubber compositions appropriate therefor are provided.

Abstract: Guide for slats of a reciprocally moving floor of a transport or loading surface, stationary or mobile, such as a loading floor of a trailer, the slats being supported on locations that are spaced apart in slat direction, on rectangular tubular longitudinal profiles that may or may not be continuous, guides being arranged between the longitudinal profiles and the slats, which guides substantially have an inverted U-shape with an upper body situated on top of the longitudinal profile and two legs on either side of the longitudinal profile extending downward from the upper body, at least one of which legs being provided with a flange at the lower end for engagement of the lower surface of the longitudinal profile, the guide being designed for keeping the longitudinal profile between the legs and between the flange and the upper body, the one portion of the portions of the legs situated opposite each other on either side being shortened into a short protrusion engaging over the upper corner of the longitudinal p

Abstract: The linear guide apparatus includes a guide rail 3 including a rolling body rolling groove 8 and a friction apply unit 6 assembled to the guide rail 3. The friction apply unit 6 includes a unit main body 15, a brake member 16, an oil pressure cylinder 17 and a plate spring 32. The brake member 16 is disposed so as to face the side surface 3a of the guide rail 3 and can be contacted with the other portions of the side surface 3a than the rolling body rolling groove 8 thereof. The oil pressure cylinder 17 includes a piston member 20 which is structured to be driven in a positive direction to thereby press the brake member 16 against the side surface 3a of the guide rail 3 and also the piston member 20 can be driven in the opposite direction to thereby remove the pressure of the brake member 16 from the side surface 3a.

Abstract: A linear robot includes a slide and an end effector arm connected to the slide. The end effector arm includes an end effector. During use, vacuum is selectively supplied to the end effector, with selectively grabs and releases substrates. The slide is supported on a hanger. An air bearing between the slide and the hanger allows the slide and end effector arm including any substrates held by the end effector to freely move along the hanger. The entire periphery of an air bearing surface of the slide is lined by a collector, which is coupled to a vacuum source. Pressurized gas from the air bearing region between the slide and the hanger is captured by the collector. Thus, any particulates entrained with the pressurized gas are captured and do not contaminate the substrates.

Abstract: A lubricating coating compound used for forming a thermosetting synthetic resin lubricating film, wherein a resin composition composed of an epoxy resin, a curing agent, a reactive silicone oil with an epoxy group, and a triazinethiol is dissolved in an organic solvent, wherein if the sum of the epoxy resin and the curing agent is set to 100 parts by weight, the sum of the reactive silicone oil with an epoxy group and the triazinethiol is 2 to 30 parts by weight.

Abstract: This invention related to a bearing for the drive ring of a ring drive of a silo reclaimer wherein the bearing is mounted on the drive ring for bearing relation with bearing surface of the ring drive and is made of a plastics bearing material. The plastics bearing material has a coefficient of friction on its bearing surface so as to operate without lubrication in use.

Abstract: A bearing assembly for a sliding mechanism in which the potential for erosion of bearing surfaces is significantly reduced. The bearing assembly includes a cylindrical bearing that engages the bearing surface of a slide as it slidably moves with respect to the bearing assembly. The bearing assembly is configured such that rotation of the cylindrical bearing is in no way restricted and at no time is an edge or end of the cylindrical bearing engaged with the bearing surface of the slide.

Abstract: The present invention is to offer a rubber material composition excellent in an abrasion resistance and less to cause heat by friction, and is suitably used to sealing members of rolling devises to be used with grease lubrication under severe circumstances allowing water or dusts to much exist. The rubber material composition is fabricated with carboxylated acrylonitrile-butadiene rubber.

Abstract: This thermoplastic composition and process for making articles of the same includes a thermoplastic matrix that includes a resin and filler materials wherein the filler materials includes a combination of fibers, at least one lubricant, and thermally conductive material, for improving tribological performance of thermoplastic materials. In the alternative, a thermally conductive lubricant may be substituted for the combination of the lubricant and the thermally conductive material.

Abstract: A bearing rail system for load-bearing transfer devices which includes a pair of split rail sections that are designed and configured to engage and lock together when manipulated in a rail channel. The rail channel can be provided in a support structure which functions as a guide for a load-bearing transfer system. The split rail sections include cooperating pivotal structures which can engage one another and about which the split rail sections can be pivoted so as to expand the overall or effective base of the rail system. By positioning the split rail sections in a rail channel and pivoting them about one another, the overall or effective base can be expanded to secure the rail system in the rail channel.

Abstract: A linear motor comprising a linearly-extensive stator (1) supporting a translator (2), the stator providing in operation a squeezing force across the translator in a direction approximately orthogonal to the line of the stator, and the translator either having along its movement direction a slightly tapered profile or being mounted on the stator by force-transmitting bearings (3) that when so squeezed deform to become slightly tapered, the effect being to produce a resultant force on the translator that is along the line of the stator. The utilisation of a resilient toroidal bearing member (103) fitted inside and co-axially with a tubular passageway (108) in an outer, sleeve-like bearing body (101) through which an inner bearing body (102) is free to slide. The inner body is then fitted through the toroid, all three components thus being co-axially aligned.

Abstract: A two-axis stage assembly includes a generally planar horizontally mounted base plate; a stage plate generally parallel to the base plate, the stage plate having a first axis and second orthogonal axis; a set of spaced bearings depending from a bottom surface of said stage plate, the bearings each having an arcuate bottom surface in rocking contact with a facing support surface of the base plate; a joint attached to the bottom surface of the stage plate and pivotably mounting each bearing, the joint being positioned at the center of curvature of the arcuate bottom surface of the associated bearing; and where an axial movement of the stage plate rocks the bearing arcuate bottom surfaces with respect to the facing support surface of the base plate.

Abstract: A linear motion unit (10) includes a runner (14) that is arranged so as to be movable along a rod (12). Provided in front of and/or behind the runner (14) are support units (20) that support the rod (12) relative to a counter-element (18). Provided on the runner (14) and the support units (20) are catches (28) that in each case can be brought into latched engagement with the adjacent support unit (20). The support units (20) are each comprised of a base body (22) upon which is movably mounted a control element (24). The control element (24) can be moved between at least one latched position and at least one released position by means of a control track (30). In accordance with the invention, the control element (24) has at least one control recess (24b).

Abstract: A linear drive mechanism comprising a moveably guided output member (12). The output member (12) is guided on a supporting device (15) in a supporting area (13) of the housing (1). A position determining device (54) protrudes laterally from the output member (12). The position determining device moves along a position determining area (55) during the axial movement of the output member (12). The support device (15) extends only over part of the perimeter of the output member (12), wherein the output member (12) is exposed along a section of the perimeter so that an open space (67) is provided, thereby forming part of a position determining area (55) which can be traversed by the position determining element (54). This makes it possible to combine effective guidance with a compact linear drive design.

Abstract: A guide apparatus for biaxial shifting motion and uniaxial turning motion comprises a biaxial shifting guide mechanism and a pivot supporting mechanism. The biaxial shifting motion guide mechanism supports a second member so as to be movable relative to a first member in a constant posture state along biaxial lines intersecting at right angles with each other. The pivot supporting mechanism is disposed on the biaxial shifting motion guide mechanism at an opposite side of the first member and pivotably supports the second member.

Abstract: A two-axis stage assembly includes a generally planar horizontally mounted base plate; a stage plate generally parallel to the base plate, the stage plate having a first axis and second orthogonal axis; a set of spaced bearings depending from a bottom surface of said stage plate, the bearings each having an arcuate bottom surface in rocking contact with a facing support surface of the base plate; a joint attached to the bottom surface of the stage plate and pivotably mounting each bearing, the joint being positioned at the center of curvature of the arcuate bottom surface of the associated bearing; and where an axial movement of the stage plate rocks the bearing arcuate bottom surfaces with respect to the facing support surface of the base plate.

Abstract: A replaceable load bearing slide system for carrying an ejector mechanism slidably along in spaced parallel ejector rails includes an elongated substantially rectangular slide member for slidably supporting one side of an ejector mechanism in a rail having one side attached along one side of the ejector mechanism at rail level by removable bolts or screws. The elongated member being configured to be slidably accommodated in an ejector rail of matching shape and having optional wear strips attached to the three exposed surfaces thereof designed to contact the inner surfaces of the rail.

Abstract: A video query and editing system which is capable of querying images without fast-forward and playback operations, to specify an editing start or end point easily, and to lower editing cost of compressed data. An edit control window is displayed (11) first, and then a file for query and editing is selected in query and editing file processing 12. In motion picture query processing 13, image query is performed in macro or micro units for the selected file and then the images to be under the query and editing are displayed. In editing section specification 14, a start point and an end point of a section for the editing are specified out of the images displayed in the motion picture query processing. Editing of a plurality of sections or other files are performed in the same manner as for the above processing if desired. After all the editing sections are determined, the editing sections are played back in editing section playback 17 to confirm the editing parts.

Abstract: A machine part has a rolling contact surface (11a) having a lot of very small recesses which are independent of each other formed thereon. The maximum height (Ry) of a roughness profile (R) obtained by cutting the contact surface (11a) by a plane perpendicular to the contact surface (11a) is 1 to 3 .mu.m, and the peak height Rp of a center line of the roughness profile (R) and the valley depth Rv of the center line satisfy the relationship of Rp/Rv.ltoreq.0.3. In this case, the contact surface (11a) has very low crests which are relatively densely distributed and very deep troughs which are relatively sparsely distributed. A sufficiently wide contact area is ensured by the former very low crests which are relatively densely distributed. An oil sump in a sufficient amount is formed by the latter deep troughs which are sparsely distributed.

Abstract: A gantry robot protection apparatus for protecting the bearings of a gantry robot from contamination.

Abstract: In accordance with the present invention, there are provided thermoplastic resin compositions comprising 80-40 parts by weight of specific aromatic polyamides (A) containing 30-100 mol % of terephthalic acid component units and 20-60 parts by weight of modified polyolefins (B) graft modified with .alpha.,.beta.-unsaturated carboxylic acid, anhydride or derivative thereof and having a crystallinity index of at least 35% or a glass transition temperature of at least 90.degree. C. and an intrinsic viscosity [.eta.] of 0.4-35 dl/g. With these compositions, there are prepared sliding parts such as gear and cam and electrical molding parts such as connector.

Abstract: An alignment compensation system for use with parallel linear bearings which isolates the linear motion system load or carriage plate from alignment errors in the system. Spherical bearings are mounted in bearing blocks, each spherical bearing having a support shaft therethrough to support a plate connected to a carriage or load plate. One of the bearings shafts is free to laterally float within its bearing block, thus providing for compensation of lateral misalignment of the linear bearing track. The other spherical bearing is held fixed within its bearing block. The linear system load or carriage plate is mounted on the spherical bearing shafts, thus isolating the carriage plate from alignment errors in the linear motion system.

Abstract: In this rolling guide unit, a slider is provided on a track rail so that the slider can be moved slidingly in a linear direction, and a circular bore is formed in a casing constituting the slider. A cross-sectionally V-shaped outer annular raceway surface is formed on the circumferential surface of the circular bore, and a rotary body consisting of lower and upper rotary bodies is fixed rotatably in the same circular bore. The casing constitutes a common part having both a function of making a linear movement and a function of making a rotational movement. This enables the height of the rolling guide unit to be reduced to as great an extent as possible, and an accumulated error due to an assembling operation to be minimized, so that a highly accurate guide machine can be provided.

Abstract: In this rolling guide unit, a slide is placed on a track rail so that the slider can be moved slidingly in a linear direction, and a shaft portion is provided on the upper surface of and integrally with the casing of the slider, and has an annular raceway surface on the circumferential side thereof, lower and upper rotary bodies being fitted firmly and rotatably around the shaft portion. The casing constitutes a common part having a function of making a linear movement and a function of making a rotational movement, and this enables the height of the rolling guide unit to be reduced to as great an extent as possible, and an accumulated error due to an assembling operation to be minimized, whereby a highly accurate guide machine can be provided.

Abstract: A roller for a window or door slidably mounted on a track is disclosed. The roller comprises a housing having first and second opposing walls and a shelf having a convex outer surface and extending between the first and second walls. A belt encircles the shelf. The belt has an inner surface having a low coefficient of friction for sliding engagement with the convex surface of the shelf. The belt further has an outer surface having a high coefficient of friction adapted for non-sliding engagement with the track.

Abstract: A bearing construction interposes the coils of one or more coil springs between bearing surfaces. In one embodiment a bearing coil spring is wrapped around a shaft several times. The bearing coil spring may be freely mounted on a more substantial race coil retainer centered on the shaft. In another embodiment toroidal coil springs separated by disc races extend circularly about the shaft. In linear bearing construction, the bearing coils are in planes parallel to the line of shaft movement. Other embodiments of the invention involve disengageable shafts having complementary centering end-faces accommodating misalignment through the yield able action of the bearing spring coils, shafts and housings having non-circular cross-sections, and shafts and housings not having completely complementary surfaces to enable interference fit and positional control.

Abstract: Concrete septic tanks have inflow and outflow orifices and near the outflow orifice have screening or baffles which are stapled or bolted to the concrete inner wall so as to force the outflowing liquids to pass a predetermined flow path with the hope to avoid solids passing out of the tank and into a draining tile bed. A novel baffle structure and device for attaching the baffles is disclosed using a linear race with forward and rearward recesses and flexible marginal flap that seals the race onto a core surface of a mold use to fabricate the tank. After the concrete is poured into the mold and partially cured the core is then removed, and the track remains embedded in the concrete and acts as a holding, sealing and anchoring for a baffle, preferably made of a non-corrosive material such as a plastic. The baffle is slipped into the race of the track and seepage across the baffle interface with the tank walls is avoided and the predetermined flow path for the outflowing fluids is ensured.

Abstract: A linear unit for manipulation devices and comprising a housing part having a passage therethrough for receiving a spindle sleeve and a cylindrical bore longitudinally intersecting the passage and for receiving the two bearing elements that support the spindle sleeve for displacement in the passage, the cylindrical bore having a longitudinal axis at least partially lying in a plane in which the longitudinal edge of the spindle sleeve and the longitudinal axis of the spindle sleeve lie, and forming an acute feed angle with the longitudinal axis of the spindle sleeve.

Abstract: A rolling-bearing-mounted linear guiding unit comprising a hardened and polished guide rail on which rolling element raceways are formed and a guide carriage longitudinally displaceably mounted on the guide rail and provided with a fixing surface turned away from the guide rail and an inner contour adapted in shape to the profile of the guide rail, rolling elements rolling in endless race canals between the rolling element raceways of the guide rail and surfaces situated opposite to these in the guide carriage and a damping element bveing provided next to the guide carriage and a damping element being provided next to the guide carriage and forming a damping gap with the guide rail, characterized in that the damping element is formed as a saddle engaging around the guide rail, which saddle in respect of the guide rail, has a fixing surface identical to that of the guide carriage, the inner contour of the saddle being adapted for the most part to the profile of the guide rail so that these delimit a damping ga

Abstract: A mounting structure for mounting a linear motion rolling contact bearing assembly using a bolt extending through a mounting hole provided in a guide rail and/or a slider member of the bearing assembly includes a mounting area which is defined by a slit, an outwardly projecting stepped section or a combination thereof so as to confine any deformation or error in size therein and prevent it from being transmitted to other sections when the bolt is tightened for fixedly mounting the bearing assembly to a supporting member.