Abstract: A linear guide mechanism includes an actuator side guide member, moving block side guide members disposed on both sides of the actuator side guide member, and a plurality of balls disposed in two rows, respectively, between the actuator side guide member and each of the moving block side guide members. Set screws are attached to a moving block.

Abstract: A linear motion guide unit includes a rail having a raceway groove extending on each longitudinal side surface, and a slider fitting over the rail and movable relative to the rail. The rail includes a first rail member and a second rail member connected to each other in a longitudinal direction at a connecting portion. The first rail member has, at least at one end, a protrusion extending in the longitudinal direction. The second rail member has, at least at one end, a notch to be combined with the protrusion. In the connecting portion, the protrusion of the first rail member is combined with the notch of the second rail member to connect the first rail member and the second rail member. The protrusion and the notch are fixed with a columnar member extending in a direction intersecting the longitudinal direction.

Abstract: The slide-out roller consists of an inner thermoplastic core and a semi-rigid over-molded urethane cover with the Inner core having two sets of radially spaced recessed channels formed in its outer surface. The over-molded cover wraps the outer surface of the inner core and fully impregnates the recessed channels, which allows the cover to interdigitate and structurally integrate with the inner core to prevent slippage and drift.

Abstract: In this rod-less cylinder equipped with a guide mechanism (32), the guide mechanism (32) has: a first rail member (34), which is attached to the sidewall of a cylinder tube (2), has an inner rolling groove (34a), and is composed of alloyed steel; a second rail member (36), which is attached to a protrusion (31) of a slider (27), has an outer rolling groove (36a), and is composed of alloyed steel; a guide path (38a) provided in the protrusion of the slider and extending parallel to the second rail member; a connection member (39) having a connection path (39a) that connects the guide path and the inner rolling groove; and a plurality of rolling bodies (43) accommodated within an endless circulation path (42) formed of the inner rolling groove, the outer rolling groove, the guide path, and the connection path.

Abstract: A variable vane drive device includes a movable ring disposed at an outer circumferential side of a casing of an axial-flow compressor and having an annular shape, four ring support mechanisms disposed at intervals in a circumferential direction of the movable ring and rotatably supporting the movable ring around a rotor, and a link mechanism for connecting the movable ring to a variable vane such that a direction of the variable vane is varied by rotation of the movable ring. The ring support mechanisms have inner rollers, outer rollers, and roller support bases for rotatably supporting the inner rollers and the outer rollers in a state in which the movable ring is sandwiched between the inner roller and the outer rollers.

Abstract: A movement unit for a machine tool comprises a supporting structure movable in a first direction for supporting a functional unit of the machine tool, with two longitudinal guides extending in the first direction which are offset relative to one another in a transverse second direction. A guide unit is mounted on each longitudinal guide to be relatively movable in the first direction and not the second direction. A bearing structure connects the supporting structure to one of the guide units to be not relatively movable in the first direction and movable in the second direction. The bearing structure comprises a bearing receptacle having a receptacle wall extending in the second direction, and a bearing projection which engages the bearing receptacle. The bearing projection and the receptacle wall are supported against one another to prevent their relative motion in the first direction and are movable in the second direction.

Abstract: A linear motion bearing system comprising a rolling element retainer structure having at least a portion of a plurality of open axial rolling element tracks formed therein. The rolling element tracks including an open load-bearing portion, an open return portion and turnarounds interconnecting the load bearing and return portions. A plurality of bearing rolling elements are disposed in the rolling element tracks. A plurality of load bearing outer races are axially positioned adjacent the rolling element retainer structure for receiving load from the rolling elements disposed in the load-bearing portion of the rolling element tracks. An outer housing sleeve is effective to hold the rolling element retainer structure. A rail is effective to mate with the rolling element retainer structure, the rail including at least one recess sized and shaped so as to be mateable with at least one of the bearing rolling elements.

Abstract: A linear bearing assembly (the assembly) of the present invention is disposed in a housing of the assembly. A first rail and a second rail are movable relative to one another. A plurality of linear bearings are connected to the housing and disposed about the first and second rails. An actuator device is connected to at least one of the first rail and the second rail to selectively move the first rail and the second rail relative to one another and the housing in at least one of simultaneous and separate modes to redistribute lubricant in the linear bearings thereby preventing deformation of at least one of the first rail and the second rail.

Abstract: A linear motion device, has a housing, an arm which is movably guided on the housing along a longitudinal axis and provided with two rolling surfaces composed of hardened steel and extending in direction of the longitudinal axis, the arm has a front end extending out of the housing, a separate receiving peg is fastened to the front end of the arm, a separate flange is fixed in position on the receiving peg in various rotary positions relative to the longitudinal axis, the rolling surfaces extend to a front end face of the arm, the flange is located in a region of the rolling surfaces directly adjacent to the front end face of the arm, and a separate orienting unit engages in a form-fit manner in the flange and in the rolling surfaces.

Abstract: A linear guide system which is used for highly precise control of a linear position applicable in display devices, semiconductors, robots, machine tools, and the entire measurement and precision instruments industry, and more specifically, an adjustable preload type linear guide system, wherein a base member and a slide member are slidably connected with each other for linear motion, and a linear motion actuator, such as a ball screw, a hydraulic cylinder, and a linear motor, is disposed between the base member and the slide member, thereby enabling the slide member to move linearly relative to the base member.

Abstract: Provided is a motion guide device having a low rigidity in the vertical direction and a low rigidity in the horizontal direction. The motion guide device has: a raceway rail 15 having a bottom surface 30a, side surfaces 30b and an upper surface 30c and being mounted on one of a base 12 and a moving body 11; and a moving block 16 having a center portion 16a facing the upper surface 30c of the raceway rail 15 and side wall portions 16b facing the side surfaces 30b of the raceway rail 15 and being mounted linearly or curvilinearly movable relative to the raceway rail 15. On a side surface of the moving block 16, a displacement absorbing mechanism 17, 38 is provided.

Abstract: A pinion-holder assembly is compact in size to fit easily within a transverse area of a raceway defined between raceway grooves on guideway members. The pinion-holder assembly is preferable to fit securely into a cage plate with ease, helping lessen required number of parts, simple and compact in construction, and less costly to fabricate. A holder has sides bulged widthwise into triangular shapes in transverse section to closely conform to the raceways on the guideway members and recesses lying in the lengthwise direction at apexes or ridges of the triangular shapes. A cage plate has a window of rectangular shape longer in sides in the lengthwise direction of the cage plate, and the longer sides have fringes somewhat raised inside the window so as to fit into the recesses on the holder, hereby fastening the holder to the cage plate.

Abstract: An automatic-positioning linear guide has a driven body combined with guiding rails at two sides of a stationary base via a plurality of rollers. Each of the rollers is composed of two bearings combined by an axial shaft and can be assembled with the corresponding guiding rail without an assembly error therebetween.

Abstract: A liner motion guide unit has a means to keep a cage against wandering, in which a pinion is made up of holder halves that are adapted to squeeze each other against the cage to make sure of keeping a pinion in place with accuracy. The means for keeping the cage against wandering is comprised of a pinion holder fitting into a window cut in the cage, racks lying on sides of the guideway members, one to each side, and a pinion provided with teeth mating with the racks and installed in the cage for rotation. The pinion holder is made up of holder halves, any one of which lies on any one side of the cage at a marginal edge of the cage at the same marginal edge of the window. The holder halves have sidewise extensions to firmly squeeze the cage between them along the marginal edge of the window.

Abstract: A bearing assembly for an axially mobile cylinder in a printing press is provided. The bearing assembly includes an endpiece adapted so as to be mounted on a frame of the press and defining a central axis and a bearing arrangement for bearing a cylinder on the endpiece in rotation about the central axis and in translation along the central axis. The bearing arrangement includes a first bearing which is a radial bearing, notably an exclusively radial roller or needle bearing, and a second bearing which is either an axial/radial combined bearing or an only axial bearing. The second bearing is adapted so as to be fixed or attached with respect to the cylinder and connected to the endpiece via an axial spring with elasticity along the central axis. The second bearing is axially mobile with respect to the endpiece.

Abstract: A guide carriage assembly that permits adjustment of a relative position of a bearing device, typically a guide wheel, relative to a carriage body is provided. The guide carriage assembly includes a carriage body, at least one support shaft and a guide wheel mounted to the support shaft. The support shaft provides a locating axis about which the support shaft may rotate when mounted to the carriage body. The support shaft further defines an offset bearing axis about which the guide wheel rotates. The offset relationship between the bearing axis and locating axis permits adjustment of the relative position of the guide wheel, or support surface, and the carriage body by rotating the support shaft about the locating axis. The guide carriage assembly may further including locking structure that applies opposing torques about the locating axis to secure the support shaft, and consequently the guide wheel, in the desired location.

Abstract: A linear guide comprises a rail with profiled elements on two opposite sides, and a roll unit. The roll unit and the rails can be displaced in relation to each other in the longitudinal direction of the rails. The roll unit comprises at least two rolls which can run on the profiled elements of the opposite sides of the rail. The rolls are mounted on the roll unit by means of prestressed angular ball bearings and can be prestressed in relation to the rails by a pre-determined force.

Abstract: A pinion-holder assembly is compact in size to fit easily within a transverse area of a raceway defined between raceway grooves on guideway members. The pinion-holder assembly is preferable to fit securely into a cage plate with ease, helping lessen required number of parts, simple and compact in construction, and less costly to fabricate. A holder has sides bulged widthwise into triangular shapes in transverse section to closely conform to the raceways on the guideway members and recesses lying in the lengthwise direction at apexes or ridges of the triangular shapes. A cage plate has a window of rectangular shape longer in sides in the lengthwise direction of the cage plate, and the longer sides have fringes somewhat raised inside the window so as to fit into the recesses on the holder, hereby fastening the holder to the cage plate.

Abstract: An exemplary rotation module configured for a gantry apparatus includes a rotary plate, a base, and a bearing. The rotary plate has a through hole. The base is arranged in the through hole. The bearing is arranged between the rotary plate and the base. The bearing includes an inner race and an outer race rotatable relative to the inner race. The inner race is securely coupled to the base and the outer race is securely coupled to the rotary plate, whereby the rotary plate is rotatable relative to the base. A gantry apparatus are also provided.

Abstract: A guide carriage assembly that permits adjustment of a relative position of a bearing device, typically a guide wheel, relative to a carriage body is provided. The guide carriage assembly includes a carriage body, at least one support shaft and a guide wheel mounted to the support shaft. The support shaft provides a locating axis about which the support shaft may rotate when mounted to the carriage body. The support shaft further defines an offset bearing axis about which the guide wheel rotates. The offset relationship between the bearing axis and locating axis permits adjustment of the relative position of the guide wheel, or support surface, and the carriage body by rotating the support shaft about the locating axis. The guide carriage assembly may further including locking structure that applies opposing torques about the locating axis to secure the support shaft, and consequently the guide wheel, in the desired location.

Abstract: The invention relates to a linear guide comprising a rail (100) with profiled elements (101, 102) on two opposite sides, and a roll unit (200). The roll unit (200) and the rails (100) can be displaced in relation to each other in the longitudinal direction of the rails. The roll unit (200) comprises at least two rolls (231, 241) which can run on the profiled elements (101, 102) of the opposite sides of the rail (100). The rolls (231, 241) are mounted on the roll unit (200) by means of prestressed angular ball bearings (236, 246) and can be prestressed in relation to the rails (100) by a pre-determined force. The assembly is play-free even in the event of an increased load due to the prestress in the angular ball bearings (236, 246) and the rolls (231, 241) in relation to the rail (100), ensuring frictionless operation and precise positioning.

Abstract: The present invention provides a movement device using a roller unit, in which play in an axial direction of rollers is appropriately reduced, operation resistance is reduced and the rollers have less abrasion.

Abstract: This method and apparatus for pneumatic preloading of linear bearing assemblies is based on typical slide assemblies having ball bearing sets in rolling engagement with opposed and confronting bearing races slidably joining a base and a slide member. For adjustably preloading the bearing races, at least one and preferably a plurality of flexible, laterally expanding pneumatic tubes are positioned between a solid portion of the base and an adjustable member supporting a bearing race. Air pressure is then applied to the flexible tube(s), causing it/them to expand laterally and force confronting bearing races together to preload the bearing races. The adjustable member is then tightly secured to the base and the air pressure is removed. The tube(s) are left in position in a deflated state, and can be reused to perform the same procedure should it become necessary at a later time during the life of the assembly.

Abstract: An improved rail and track assembly for a linear guide apparatus includes a rail support member with a pair of opposing track slots, each slot adapted to accommodate a track section terminating in a V-shaped proximal edge to mate with the groove in the guide rollers of a carriage. One side of the rail support has its track section fixed into its slot, pinned to the rail support at the ends to lock it into place. The opposing side of the rail support holds its track section in a similar slot and additionally accommodates a compliant (soft) element behind the track section. The compliant element fits in a recess between the bottom of the track slot and the flat distal edge of the track section. This second track section may also be pinned to the rail support at the ends to retain it in the slot, but preferably uses oversized holes in the track to allow it to move in and out of the slot and relative to the rail support to maintain fit-up with the guide rollers of the carriage.

Abstract: The actuating device is capable of automatically eliminating a clearance between a contact body and a rail. The actuating device comprises: a moving body guided by the rail; the contact body contacting the rail; and a pressure unit biasing the contact body toward the rail or in a pressing direction. The pressure unit comprises: a rod having one end, which contacts the moving body, and the other end, the rod being capable of moving in the pressing direction; a first biasing member biasing the rod; a casing covering an outer face of the rod, the casing having an inner face, whose distance from the outer face of the rod is gradually reduced toward the other end of the rod; and a spherical body contacting the inner face of the casing and the outer face of the rod.

Abstract: A linear guide device has a guide rail system with at least one guide rail, a guide carriage guided on the guide rail system in a guidance direction and including a base unit and legs which partially enclose the guide rail system, the guide carriage being provided with at least one preload-adjustment device via which a preload of the legs of guide carriage against the guide rail system is adjustable, the preload-adjustment device including at least one rod having one end hingedly mounted on one of the legs of the guide carriage and the other end displaceable in a displacement direction, and a displacement device for displacing the other end of the preload adjustment, device in the displacement direction.

Abstract: To provide a sliding apparatus which may depress a micro slip phenomenon without fail and realize the system with a simple structure and which is less expensive to save a cost and superior in practical use.

Abstract: The linear motion drive system is capable of automatically remove a clearance between a moving body and a linear shaft when the moving body and/or the linear shaft is abraded. The linear motion drive system comprises: the moving body linearly and reciprocally moved along the linear shaft; a contact body contacting the linear shaft; and a pressure unit provided to the moving body, the pressure unit pressing the contact body so as to apply pressure to the linear shaft. The pressure unit includes: a press section contacting and pressing the contact body; a biasing member biasing the press section toward the linear shaft; and a locking mechanism holding the press section.

Abstract: A self-contained die cushion assembly for use in a stretch-forming process involving heated tooling. A lower plate is mounted below an upper plate that undergoes different thermal expansion than the lower plate. Guidance devices are mounted between the upper and lower plates and include a guide post, a bearing sleeve circumscribing the guide post, and a cylinder circumscribing the bearing sleeve. The guide post is mounted in fixed relation to the upper plate, and the cylinder is mounted in laterally translatable relation to the lower plate to accommodate lateral relative displacement between the upper and lower plates due to different thermal expansion thereof, thereby preventing binding of the guidance devices.

Abstract: The invention relates to a movable bearing for a slide (9) guided on two shafts (4), with a linear bearing (3) guided on one of the shafts (4) and a bearing housing(2) that accommodates the linear bearing (3) and is connected to the slide (9) by a connector (1). In order to further develop a movable bearing of this kind such that the bearing offers a long service life, precise guidance of the slide parallel to the plane defined by the two shafts and relatively little assembly effort with correspondingly low assembly costs, a movable bearing is provided which has a connector (1) designed in such a way that the bearing housing (2) is mounted in a manner permitting movement transverse to the longitudinal direction of the respective shaft (4) and parallel to the shaft plane (7) defined by the axes (5, 6) of the two shafts (4).

Abstract: A roller assembly for use with a slide-out room used in mobile homes, manufactured housing and recreational vehicles in which the assembly includes a roller journalled to a carrier. The carrier is mounted to a frame by an adjustable connection which allows a variation position of the carrier relative to the frame. The carrier is connected to the frame for articulated movement so as to allow the carrier and its roller to rock relative to the frame which is adapted for connection to either the slide-out room or the living area which forms a part of the mobile home, manufactured housing or recreational vehicle.

Abstract: There is provided a finite type rolling guide deviation correcting method and system capable of detecting the deviation in relative position between a rolling guide and a movable body if the deviation in relative position increases, and automatically carrying out a correcting operation for returning the deviation in relative position to a normal positional relationship. The finite type rolling guide deviation correcting method corrects a relative positional relationship between a finite type rolling guide for guiding a reciprocating motion of a movable body and the movable body.

Abstract: A linear motion guide for mounting and longitudinally guiding machine parts, in which a first guide element provided to be fixed to a machine part is guided by a plurality of rolling elements along a longitudinal movement axis with respect to a second guide element, likewise provided to be fixed to a machine part, for this purpose each guide element has a groove-like recess running parallel to the longitudinal movement axis, boundary surfaces of the recess in each guide element are provided as rolling surfaces for the rolling elements, the rolling elements are arranged one after another in one or more rows in at least one cage between the two guide elements, the cage is provided with at least one first positive guide, the cage with its first positive guide being guided by second positive guide fixed to the guide elements, each second positive guide being arranged only on one of the guide elements and being fixed in position relative to the latter.

Abstract: A linear guide comprises a traveling carriage (1) having track rollers (11) for support and for rolling along a guide rail (5), said track rollers (11), each of which rolls on the guide rail (5), being mounted in pairs for rotation on a first support (7) that is arranged on a first carriage plate (2) of the traveling carriage (1). The traveling carriage (1) comprises a further carriage plate (3) with a second support (14) arranged thereon, and track rollers (17) rotatably mounted on said second support (14) for rolling on a further guide rail (6), the two guide rails (5, 6) being parallel to each other and fixed on two longitudinal sides of a central rail support (4).

Abstract: The invention relates to a movable bearing for a slide (9) guided on two shafts (4), with a linear bearing (3) guided on one of the shafts (4) and a bearing housing(2) that accommodates the linear bearing (3) and is connected to the slide (9) by a connector (1). In order to further develop a movable bearing of this kind such that the bearing offers a long service life, precise guidance of the slide parallel to the plane defined by the two shafts and relatively little assembly effort with correspondingly low assembly costs, a movable bearing is provided which has a connector (1) designed in such a way that the bearing housing (2) is mounted in a manner permitting movement transverse to the longitudinal direction of the respective shaft (4) and parallel to the shaft plane (7) defined by the axes (5, 6) of the two shafts (4).

Abstract: In a preferred embodiment, a light weight telescope assembly for bicycles that is readily adjustable by riders in the field and that provides smooth action of the suspension system. This telescope assembly contains roller bearings to reduce stiction and prevent torsional losses. The adjustment mechanism includes an adjustable outer race shim composed of two oppositely tapered races moving longitudinally in relation to each other, thereby causing their combined thickness to expand or contract thus allowing the bearing pre-load to be adjustable. Integral with this adjustable pre-load mechanism is a bayonet-style collar whose design enables bearing pre-load adjustment from a position that is readily accessible by consumers. In addition, this collar enables greater geometric latitude on the shape of the inner tube, thereby enabling significant strengthening of the telescoping assembly using light weight materials and lower cost manufacturing processes that hitherto have been unachievable.

Abstract: A plurality of rollers is positioned between side members of a longitudinally-split, two-piece bearing race and a backup member that supports the two-piece bearing race along the length of side members. The backup member has angled surfaces such that ends of the rollers are closer to the angled surfaces than are intermediate portions of the roller. The two side members of the two-piece bearing race may be spread apart such that the angled surfaces of the backup member direct the side members of the two-piece bearing race toward the rollers to decrease the roller clearance and to create a preload.

Abstract: A linear rail system having an apparatus for adjusting the preload on the individual rollers of the slider body which provides a linear rail of the type having upper and lower parallel raceways through which a slider body having a number of rollers attached thereto is adapted to axially translate. The rollers are assured contact with the upper and lower raceways while also providing the ability to absorb shocks placed on the slider body.

Abstract: A plurality of rollers is positioned between side members of a longitudinally-split, two-piece bearing race and a backup member that supports the two-piece bearing race along the length of side members. The backup member has angled surfaces such that ends of the rollers are closer to the angled surfaces than are intermediate portions of the roller. The two side members of the two-piece bearing race may be spread apart such that the angled surfaces of the backup member direct the side members of the two-piece bearing race toward the rollers to decrease the roller clearance and to create a preload.

Abstract: A relative linear motion apparatus comprising: a first structure having at least a pair of inner wall surfaces opposing to each other; a second structure arranged between the pair of inner wall surfaces, the second structure being movable in linear motion relative to the first structure; at least two rectilinear guides arranged between the first structure and the second structure; and a displacement absorbing device arranged on at least one of the first structure and the second structure so as to allow at least one of the two rectilinear guides to move in a intersecting direction against the wall surfaces.

Abstract: A system for adjusting the play in a linear guide, the linear guide incorporating a slide provided with running surfaces and guided between guide surfaces of a guide element. The linear guide also includes bearing members that are disposed between running surfaces and guide surfaces, with at least one running surface held on the slide elastically displaceable in the cross-direction and adjustable by a spreader element against a guide surface assigned to the running surface. This renders the play between the slide and the guide element adjustable. The spreader element comprises a hollow body that incorporates a continuous through-opening extending in the longitudinal direction and is elastically displaceable or deformable by an adjusting element cooperating with the same.

Abstract: An improved seat suspension assembly with axially adjustable roller and guide assemblies. The suspension uses an adjustment member the actuation of which causes the axial movement of either the roller or guide so as to adjust the spatial relationship between the roller and guide.

Abstract: A guiding frame, with a carrier (10) provided with a fastening groove (11) and carrying at least one guiding rail (12) disposed parallel to said carrier and secured in a fastening groove (11), and on which rests a guiding bearing (13) that guides a sliding part (22). The guiding frame is implemented so that the substantially rectangular guiding rail (12) is supported via a rounded portion on the supporting edges that delimit the fastening groove (11) or on an intermediate bearing that bridges the fastening groove (11).

Abstract: A linear bearing is provided which can allow a shaft to relatively reciprocally move with respect to an outer race in the axial direction, and also to rotate in the circumferential direction. In the linear bearing of the invention, an outer race supports a shaft via balls which are retained by a retainer. A push ring is fitted to the outer race so as to be reciprocable in the axial direction. Three coil springs which are arranged at the intervals of 120° in the circumferential direction are contractedly interposed between a lid fixed to the outer race and the push ring, so as to press the push ring toward the retainer. Spring pins which protrude in the axial direction are fixed to the lid. Tip ends of the spring pins are reciprocally fitted into holes formed in the push ring, thereby preventing the push ring from rotating.

Abstract: A linear motion bearing assembly is provided including a carriage, a rail, and a bearing assembly. The linear motion bearing assembly includes deflectable structure formed in at least one of the carriage, rail and bearing assembly. The deflectable structure is configured to deflect under a predetermined force to affect load bearing characteristics of the linear motion bearing assembly. Pressure transducer structure is disposed adjacent to and configured for engaging the deflectable structure to apply the predetermined force to affect load bearing characteristics. The deflectable structure may include portions of the rail defining a cavity. The pressure transducer structure is disposed within the cavity. In another embodiment, the carriage includes a sidewall depending therefrom whereby the deflectable structure includes the sidewall. In yet another embodiment, the bearing assembly includes a ball retainer having a load bearing plate aperture.

Abstract: A mounting assembly for a machine tool carriage is driven by linear motors (4) at each end guided on fixed parallel rails running parallel to one another. At each end the bridge of the carriage has bearing plates seated on the linear motor friction plates against which it is urged by spring force. As each end of the bridge has a mounting bolt extending through the bridge and bear plate and is pivotably seated in a guide aperture in the carrier. On at least one end of the bridge, the guide bolt aperture is elongated so that the bridge can pivot about the guide bolt at the other end.

Abstract: A linear rail system for adjusting the preload no the individual rollers of the slider body provides a linear rail of the type having upper and lower parallel raceways through which a slider body having a number of rollers attached thereto is adapted to axially translate. The rollers are assured contact with the upper and lower raceways while also providing the ability to absorb shocks placed on the slider body. At least one of the rollers is mechanically biased against one of the raceways while at least one other roller is adjustable and fixable in position using an adjustment block.

Abstract: Prior art linear bearings generally have a roller element which, in such a reciprocating motion application, tend to creep or slide along the surfaces upon which they roll. This is due to unequal frictional forces between the rolling surfaces. The linear bearing of the present invention substantially prevents straying and/or sliding of roller elements, and therefore provides bearing functionality at high speeds and great loads with longer longevity and reliability. The linear bearing can be used in many engineering applications, such as in a rotary engine, for example.

Abstract: The invention is a linear guide system having a flexure that absorbs internal stresses in the system while still maintaining sufficient rigidity required for a precise linear guide system. These internal stresses may be caused by thermal expansion of components, misalignment of guide rails or vibration of components during operation. The guide system comprises at least two parallel extending guides supported by a base. Slidably attached to the guides are a plurality of pucks or sliders. In addition, the system includes at least one movable slide plate positioned above the pucks by two sets of vertical supports. The first set of vertical supports fix the slide plate to the pucks in both a horizontal and vertical direction while the second set of vertical supports fix the slide plate to the pucks in only the vertical direction. Finally, the guide system includes at least one flexure, consisting of a thin metal plate.

Abstract: Opposite side of the base section of the slide assembly are supported by two sets of ball bearings for reciprocable movement in an elongate recess formed in the slide section of the assembly. Each set of ball bearings is supported in an elongate retainer plate which extends between a pair of confronting grooves formed in the confronting surfaces of the base and slide sections at each side of the recess. Each set of ball bearings at opposite sides thereof has rolling engagement with a pair of spaced, parallel, longitudinally extending bearing rods that are mounted in each confronting groove. An elongate slot which is formed in the slide section opens at one side thereof on the bottom of one of the grooves in that section, and on the space which separates the pair of bearing rods mounted in that groove.