Abstract: A seat track assembly including a first rail and a second rail spaced apart by a distance and extending parallel with respect to one another, wherein at least one of the first and second rails having a first receiver, a second receiver, the first and second receivers longitudinally translatable with respect to each other, and a sliding member disposed therebetween, wherein the sliding member defines an aperture extending at least partially therethrough.

Abstract: A pneumatic drive for a medical robot includes a manifold having cylinders extending in a first direction, and respective rods corresponding to the cylinders, the rods extending on one side of the cylinders in the first direction. The manifold includes air supply ports that feed the cylinders with air for moving the respective rods forward and backward. The air supply ports are provided on another side of the manifold in the first direction.

Abstract: A divider assembly to be mounted in a storage container for dividing the storage container during use, includes a guiding rail having a first surface and a second surface facing each other and extending in a sliding direction, a slider slidably movable in the guiding rail, and a divider attached to the slider and movable with the slider in the storage container for dividing the storage container into sections. The slider includes at least two slider arms extending in opposite directions. Each slider arm has at least one ball-shaped roller. The ball-shaped rollers roll on at least one of the first surface or second surface of the guiding rail when the divider assembly moves in the sliding direction. A cooling device including the divider assembly is also provided.

Abstract: A seat for a vehicle includes a seat cushion and an adjustment and suspension device having a base fixed to the frame and a supporting plate fixed to the seat cushion movable in translation relative to the base in a direction of elevation. The seat also has a restraint system that includes: at least one restraint member fixed to the frame, the restraint member defining at least one through opening extending along a main direction of elongation substantially parallel to the direction of elevation; and at least one restraint element fixed to the supporting plate, the through opening of the restraint member receiving the restraint element free in translation along the main direction of elongation.

Abstract: A seat track assembly including a first rail and a second rail spaced apart by a distance and extending parallel with respect to one another, wherein at least one of the first and second rails having a first receiver, a second receiver, the first and second receivers longitudinally translatable with respect to each other, and a sliding member disposed therebetween, wherein the sliding member defines an aperture extending at least partially therethrough.

Abstract: Methods for enhancing the sliding performance of an adjusting device for longitudinal adjustment of a vehicle seat are disclosed. The adjusting device comprises a first rail and a second rail movably guided relative to the first rail. Friction-reducing members are disposed between the two rails in a bearing area. The geometry and dimensions of the friction-reducing members are precisely adjusted in accordance with the geometry and dimensions of the two rails in the bearing areas, which are measured separately. The friction-reducing members may be produced using additive manufacturing technology, with a geometry and dimensions precisely in accordance with the geometry and dimensions of the two rails.

Abstract: A seat moving structure for a utility vehicle includes a seat and a seat rail for guiding movement of the seat in a longitudinal direction of the seat. The seat has a seat rail contact portion which is in contact with the seat rail. The seat rail has a rail support surface portion which supports the seat rail contact portion from below. The seat rail contact portion is made of a resin. The seat is movably supported in a line contact state or in a point contact state in the longitudinal direction of the seat on the rail support surface portion by the seat rail contact portion.

Abstract: A seat track assembly including a first rail and a second rail spaced apart by a distance and extending parallel with respect to one another, wherein at least one of the first and second rails having a first receiver, a second receiver, the first and second receivers longitudinally translatable with respect to each other, and a sliding member disposed therebetween, wherein the sliding member defines an aperture extending at least partially therethrough.

Abstract: A cover (11), for a rail pair (3) of a longitudinally adjustable vehicle seat (1), includes at least one bottom rail (5) affixed to the vehicle and one top rail (7) which top rail (7) is longitudinally movable relative to the bottom rail (5). The cover (11) has a cover element (11.1) arranged and placed on at least one end (7.1, 7.2) of the rail pair (3) and an integrated stiffening element (11.2), designed to stiffen at least one of the two rails (5, 7), which protrudes into an interior chamber of the rail pair (3).

Abstract: A method is provided for producing a sliding rail of a longitudinal adjustment device for a vehicle seat, in which the longitudinal adjustment device has at least one pair of rails having two sliding rails and having sliding and/or rolling elements, the two sliding rails can be moved in the longitudinal direction against one another, the sliding and/or rolling elements are disposed between the sliding rails, and the sliding rails have contact tracks by which the sliding and/or rolling elements are in contact. A sliding rail is produced and then painted. Subsequently, at least one contact track is irradiated with a laser. In this way the layer of paint located on the contact track is removed.

Abstract: A vehicle seat that can suitably protect a seated occupant against an impact from a seat width direction is described, while enlargement of the seat in the seat width direction is restrained. A support member provided to the vehicle seat supports the seated occupant from a side of the seated occupant, and includes an inner plate attached to a seat width direction inner side of a side frame, an outer plate attached to a seat width direction outer side of the side frame, and a connection plate for connecting the inner plate and the outer plate on a seat front side. The outer plate is attached to the seat width direction outer side of the side frame at a position that does not overlap in the seat width direction with attachment positions of the inner plate and the side frame.

Abstract: A seat slide device for a vehicle includes a first rail, which includes a first horizontal wall, a first vertical wall, and a first flange, and a second rail, which includes a second vertical wall and a second flange. A joining was connects the second vertical wall with the second flange. The coupling portion between the first horizontal and vertical walls includes a first ball guide. The basal end portion of the second flange includes a second ball guide. A first ball is arranged between the first and second ball guides. A restricting member that projects on the first horizontal wall functions to reduce a vertical space between the joining wall and the first horizontal wall and is contactable to the joining wall when the second vertical wall is deformed due to a load that is applied to produce pushing force between the first ball and the second rail.

Abstract: There is provided a back frame of a vehicle seat, which includes a frame body formed by extrusion molding and including a press-fitting portion into which a part attachment bracket is press-fitted for attaching a part to the frame body. The press-fitting portion of the frame body and an abutment surface of the bracket are formed with an engagement portion where one of the frame body and the bracket is brought into engagement with the other in a direction in which the part attachment bracket is press-fitted into the press-fitting portion.

Abstract: An actuating unit of a motor vehicle seat comprises an actuating element, a base part, a pivot axis, and a spring. The pivot axis is disposed between the base part and the actuating element and enables a pivoting movement of the actuating element relative to the base part. The spring is disposed between the actuating element and the base part and elastically biases the actuating element into a rest position relative to the base part.

Abstract: A linear motion guide unit is provided, which is capable of preventing the variation in the position of a roller cage assembly caused by sliding motions of the roller cage assembly between a first guide rail and a second guide rail, without reducing the number of rollers. The linear motion guide unit includes first and second guide rails having track portions formed concavedly to have a V-shaped section on the faces opposing each other; and a roller cage assembly disposed between the first and second guide rails and having a plurality of rollers located between the first and second guide rails and ring-shaped pinions adapted to surround the rollers.

Abstract: A linear motion guide unit in which the smaller pitch between the center-lines of adjacent rollers installed in a cage results in the greater number of the rollers lying in a preselected length of the cage to increase load-carrying capacity. The cage plate has openings for retaining the rollers arranged in the lengthwise direction of the cage plate. Each of the openings has a contour whose major axis lies in a widthwise direction of the cage plate. Bearing lips retain axially opposite end surfaces of the rollers, the bearing lips extending inside from an edge around the opening at locations corresponding with diametrically opposite ends of the major axis. The bearing lips end into wedged bearing edges deformable elastically. The bearing edges have bearing slants that conform to the end surfaces of the roller to bear the roller thereon. The bearing slants are in diametrically symmetric relation to each other.

Abstract: A seat track mechanism for a vehicle, includes a lower rail mounted to a vehicle floor; an upper rail supported by the lower rail and slidable relative to the lower rail; and spherical rotators held between the lower and upper rails, the spherical rotators rolling via a sliding movement of the upper rail. One of the upper rail and the lower rail includes at least one horizontal flat portion parallel to a widthwise direction of the seat track mechanism and parallel to a direction of the sliding movement of the upper rail, and the other of the upper rail and the lower rail includes at least one rotator supporting recess having a circularly arcuate shape in cross section which is uniform in a lengthwise direction of the seat track mechanism, the spherical rotators being held between the rotator supporting recess and the horizontal flat portion.

Abstract: The rail of a longitudinal guide of a longitudinal adjustment device of a motor vehicle seat includes one rail profile, at least one bearing block including a bearing hole, a bearing shaft extending through the bearing hole and a flap, which is pivotal about the bearing shaft. The bearing block is made from the material of the rail profile by cutting out a border of the bearing block and by bending the thus obtained blank for the bearing block about a bending line.

Abstract: A lower rail 3 has a first cut-and-raised piece 22, and an upper rail 4 has a second cut-and-raised piece 23. The first and second cut-and-raised pieces 22, 23 each have a facing surface 22a, 23a that faces and is contactable with the facing surface of the other cut-and-raised piece along the moving direction of the upper rail 4. The first and second cut-and-raised pieces 22, 23 are engaged with each other so as to limit the movement range of the upper rail 4 relative to the lower rail 3. On the facing surface 22a and the facing surface 23a, inclination angles ? and ? are provided that generate a force causing the first and second cut-and-raised pieces 22, 23 to be more deeply engaged with each other, respectively. This prevents the first and second cut-and-raised pieces 22, 23 from being easily disengaged from each other.

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: A seat mount with integrated adjustment that includes a seat base with integrally molded slide bearing receiving pockets that each receives an integrally formed slide bearing of one piece and unitary construction that engages apertures formed in a seat mount that preferably is a seat slide plate or seat mounting plate.

Abstract: A seat slide apparatus for a vehicle includes a first rail adapted to be securely mounted on one of a vehicle floor and a seat, a second rail adapted to be securely mounted on the other of the vehicle floor and the seat and movably assembled relative to the first rail, a first bent portion formed at the first rail, a pair of second bent portions respectively formed at the second rail at longitudinal sides of the first bent portion of the first rail so as to contact the first bent portion to restrict further relative movement of the first and second rail, and a relief portion provided at one of the first and second rails so as to face one of the second and first bent portions, respectively.

Abstract: A vehicle seat (1) is disclosed, particularly a commercial vehicle seat, with a seat base (3) which is designed as a scissors-type stand and is provided with intersecting rockers (15) and at least one frame (11, 13) that movably guides at least one of the rockers (15) in the longitudinal direction (x) of the vehicle seat (1) by a bearing mechanism (21). The bearing mechanism (21) features at least one compensating element that rests against a first guide (33), at least some sections of which are inclined at an angle (a) relative to the transversal direction (y) of the vehicle seat (1), and can be moved along the first guide (33) in the longitudinal direction (x). The bearing mechanism (21) further features at least one rotatably mounted wheel (23) which is supported on a second guide (35) and can be rolled along the second guide (35) in the longitudinal direction (x). A slider (31) which can be displaced along the first guide (33) is used as a compensating element.

Abstract: Slider for a motor vehicle seat including a stationary profile section extending in a longitudinal direction and comprising a substantially planar base plate and at least one side shoulder, said base plate having a substantially constant width and including an attachment area for receiving a head of a fastening screw, wherein the stationary profile section has a local deformation increasing the width of the base plate and narrowing the shoulder to the extent that the raceway of the stationary profile section is blocked; a movable profile section; roller elements rolling along a raceway extending longitudinally on the shoulder of the stationary profile section and retained in position relative to each other by cage

Abstract: A spacer structure for cross rollers comprises a frame and four protruding wings, the protruding wings are arranged in pairs on opposing sides of the frame and outwardly extend therefrom. The two inactive end surfaces of the roller are confined between the paired protruding wings of the spacer. The slenderness ratio of the roller is designed to be 0.7-0.98 for facilitating installation of the roller between the paired protruding wings of the spacer, and such arrangement can effectively reduce the contact area between the spacer and the roller. The paired opposite protruding wings can provide a stable positioning effect to the end surfaces of the roller.

Abstract: According to the present invention, a rolling element 7 for rotating upon relative movement of both shafts 1 and 2 in the axial direction is disposed between three pairs of axial grooves 3 and 5 which are formed on the outer peripheral surface of the male shaft 1 and on the inner peripheral surface of the female shaft 2, respectively, a raceway surface element 9 which is in contact with the rolling element 7 and an elastic member 10 for pressurizing the rolling element 7 against the male shaft 1 and the female shaft 2 through the raceway surface element 9 are interposed between the axial groove 3 on the male shaft side 1 and the rolling element 7, and a sliding member 8 for slidably moving upon relative movement of the both shafts 1 and 2 in the axial direction is disposed between another three pairs of axial grooves 4 and 6 which are formed on the outer peripheral surface of the male shaft 1 and on the inner peripheral surface of the female shaft 2, respectively.

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: A linear motion guide unit where there is provided a tiny mechanism to keep a cage retaining therein more than one rolling element against wobbling. The cage retaining rolling elements holds therein a pinion, which mates with racks lying in the raceway grooves. A pinion holder is allowed to snap into a hook hole formed in the cage. To this end, the pinion holder has a flange extending out of any side of the pinion holder so as to come into abutment against any one surface of an edge around the hook hole, and an snap hook extending out of the other side of the pinion holder to come into engagement with another surface of the edge around the hook hole.

Abstract: A “hybrid” or macrocomposite guideway, wherein the “traditional” or existing guideway material (e.g., hardened steel) is maintained as the wear resistant, low friction surface intended to be in physical contact with one or more bearings, and further wherein this surface is backed up or supported by a substrate comprising a stiff, lightweight material. This macrocomposite guideway combines the desirable friction and wear characteristics of the traditional bearing materials with the stiffness and low mass of advanced materials. Candidate substrate materials include composites having a ceramic and/or a metallic matrix, monolithic ceramics or monolithic light metals. A cladding comprising the hardened steel wear surface layer may be attached to the rigid, lightweight substrate by adhesive bonding, mechanical fasteners or other mechanical fit such as a friction or interference fit. Preferably, though, the attachment is by means of a metallurgical bond.

Abstract: A roller bearing for linear movements has two guide members arranged coaxially relative to each other between which there are provided races for roller members extending in the longitudinal direction. The roller members are biased in radial direction by at least one elastic element. The races for the roller members are shaped as guide surfaces directly at the two guide members, and the elastic element is provided radially offset with regard to the guide surfaces and acts by means of webs only indirectly onto these surfaces, by being subjected to a radial clamping force of a further annular element.

Abstract: A linear motion guide unit is disclosed in which a rack-and-pinion arrangement is interposed between paired guide rails to keep a cage retaining more than one rolling element therein against falling off from the guide rails. In the linear motion guide unit, the cage arranged between confronting raceway grooves of the guide rails hold therein a pinion, which comes in mating with a rack lying in the raceway grooves. The cage is made therein with an aperture in which a thick portion of a pinion holder fits to secure the pinion holder to the cage. The pinion is comprised of a disc having teeth that come in mating with the rack, and a shaft serving as an axis about which the disc rotates. The pinion is held in the pinion holder, with the shaft being carried for rotation in pinion chamber in the pinion holder.

Abstract: A “hybrid” or macrocomposite guideway, wherein the “traditional” or existing guideway material (e.g., hardened steel) is maintained as the wear resistant, low friction surface intended to be in physical contact with one or more bearings, and further wherein this surface is backed up or supported by a substrate comprising a stiff, lightweight material. This macrocomposite guideway combines the desirable friction and wear characteristics of the traditional bearing materials with the stiffness and low mass of advanced materials. Candidate substrate materials include composites having a ceramic and/or a metallic matrix, monolithic ceramics or monolithic light metals. A cladding comprising the hardened steel wear surface layer may be attached to the rigid, lightweight substrate by adhesive bonding, mechanical fasteners or other mechanical fit such as a friction or interference fit. Preferably, though, the attachment is by means of a metallurgical bond.

Abstract: A seat slide apparatus for a vehicle includes a lower rail assembled to a vehicle seat, an upper rail slidably engaging with the corresponding upper rail for supporting the vehicle seat, a loop-shaped release handle supported by the upper rail on its end portion for releasing the engagement between the upper rail and the lower rail, and a bracket fixed to the upper rail for detachably supporting the release handle, an opening portion formed on the bracket allowing the end portion of the release handle to pass there through, and a flexible tongue formed on the bracket and adapted to be flexibly movable in vertical direction for engaging with a stopper piece provided at the end portion of the release handle. The current invention uses a technical device for detaching the end portion of the release handle from the bracket fixed to the upper rail for supporting the end portion of the release handle.

Abstract: In a linear motion guide unit in which a rack-and-pinion arrangement is interposed between paired guide rail members to keep a cage against falling off from the guide rail members, the rack is made reduced in size in depth direction to fit well in even a gutter cut small in depth in the guide rail member. The rack is made up of successive teeth mating with the pinion, and side walls to join the teeth together with one another. The side walls of the rack are rendered thickened sidewise with depth while sidewise opposing surfaces defining a gutter cut in the guide rail also lean away one another with depth in a way conforming to the side walls of the rack, so that the rack can be fastened in the gutter by virtue of face-to-face engagement of the side walls with the associated surfaces in the gutter.

Abstract: A track assembly (10) comprises a seat track member (12) that in use is secured to the base of a vehicle seat, slidably engaged with a floor track member (14) that in use is secured to the floor of a vehicle. At least one bearing assembly (16) is form fittingly retained between engaging portions of the track members (12, 14) so as to facilitate sliding movement of the seat track member (12) along the length of the floor track member (14).The or each bearing assembly (16) comprises an elongate spacer (52) provided with a steel ball (54) at either of its ends. At least one plastic ball (56) is provided in a side by side arrangement with each of the steel balls (54) such that a steel ball (54) is located between each plastic ball (56) and the spacer (52). In preferred embodiments, two plastic balls (56, 58) are provided in a side by side arrangement with each steel ball (54). The use of plastic balls in the or each bearing assembly (16) reduces the formation of indentations in the track members (12, 14).

Abstract: Into a raceway groove formed between outer and inner races, there are incorporated a plurality of rolling elements of which outside diameters serving as the rolling contact surfaces thereof each has a curvature in the axial direction as well and also each of which has a radius smaller than the radius of the raceway surfaces of the outer and inner races. The rolling elements are arranged in such a manner that the mutually adjoining rolling elements cross each other alternately and also that the outside diameters of the respective rolling elements are always contacted at two points with the raceway surfaces of one race and the raceway surfaces of the other race.

Abstract: A guide device includes a ram and a column translatable axially relative to each other. The ram has an outer circumferential surface of a squared cross section formed of four flat portions each of which extends axially. The column disposed around the ram has a through hole of a squared cross section formed of four flat portions corresponding to the flat portions of the ram. In each flat portion of the column is provided a needle bearing that rolls on the corresponding flat portion of the ram. Inside the column are provided a plurality of supporting shafts extending in a direction perpendicular to the extending direction or to the axial direction of each flat portion of the ram. Each needle bearing is rotatably supported by the corresponding supporting shaft.

Abstract: A translation table with a pair of bearing assemblies located between a first element and a second element. Each bearing assembly has a pair of roller bearings located at one end of a bearing separator strip, and another pair of roller bearings located at an opposite end of the separator strip. There are no bearings located between the outer pairs of roller bearings. Providing a roller bearing assembly with no roller bearings in the inner portion of the separator strip creates a relatively stiff bearing assembly.

Abstract: A cross roller assembly suitable for use with rollers disposed in a cross roller arrangement is provided for the purpose of preventing the rollers from skewing as much as possible to thereby guide them in a stable manner. The cross roller assembly (21) includes first and second rollers (8, 9), and a retainer (22) for holding the first and second rollers (8, 9) in respective alignment with their axes of rotation alternatively arranged at right angles with respect to each other. The retainer (22) has a pair of end holders (23) for supporting the opposite ends of each roller. Each of the end holders (23) has an outer surface which is formed of a flat guide surface so as to regulate or restrict each roller to its suitable posture.

Abstract: Into a raceway groove formed between outer and inner races, there are incorporated a plurality of rolling elements of which outside diameters serving as the rolling contact surfaces thereof each has a curvature in the axial direction as well and also each of which has a radius smaller than the radius of the raceway surfaces of the outer and inner races. The rolling elements are arranged in such a manner that the mutually adjoining rolling elements cross each other alternately and also that the outside diameters of the respective rolling elements are always contacted at two points with the raceway surfaces of one race and the raceway surfaces of the other race.

Abstract: A seat slide device for a vehicle includes a lower rail fixed on the floor of the vehicle, and an upper rail slidably supported on the lower rail through intermediately located members such as rollers and balls. The upper rail has a horizontal portion possessing an outer face adapted to be connected with a seat cushion frame and an inner face contacting the intermediately located members. The horizontal portion of the upper rail possesses a stepped portion dividing the horizontal portion of the upper rail into a connection portion adapted to be connected to the seat cushion frame and a contact portion which contacts the intermediate members. By dividing the horizontal portion of the upper rails into the connection portion and the contact portion, possible adverse affects associated with distortion resulting from welding the upper rail to the cushion frame is significantly reduced and preferably avoided.

Abstract: Into a raceway groove 3 formed between outer and inner races 1 and 2, there are incorporated a plurality of rolling elements 5, 5 of which outside diameters 5a serving as the rolling contact surfaces thereof each has a curvature in the axial direction as well and also each of which has a radius smaller than the radius of the raceway surfaces of the outer and inner races. The rolling elements 5 are arranged in such a manner that the mutually adjoining rolling elements 5, 5 cross each other alternately and also that the outside diameters 5a, 5a of the respective rolling elements 5, 5 are always contacted at two points with the raceway surfaces 1a, 1b of one race 1 and the raceway surfaces 2b, 2a of the other race 2.

Abstract: Linear guide assembly comprising at least two guide rails, which are moveable in the longitudinal direction with respect to each other and have prismatic shaped raceways, a plurality of rolling elements guided in a cage, at least one gear wheel for the positive guidance of the cage is connected to the cage, which wheel engages in toothed racks, each of which is connected to a guide rail, the gear wheel comprising a disk, having axial projections distributed around the periphery at least one of the end surfaces and rows of uniformly spaced recesses, into which the projections on the disk can engage.

Abstract: A roller and guide assembly for use in an actuating seat suspension having a roller assembly comprised of a first and second roller that articulate on upper and lower guide surfaces formed by a channel. The first roller rotatingly engages the lower guide surface and the contact between the first roller and guides surface permits the roller to move horizontally along the guide surface while preventing the downward movement of the roller assembly. The second roller rotatingly engages the upper guide surface an the contact between the roller and guide surface permits the roller to move horizontally along the guide surface while preventing the upward movement of the roller assembly.

Abstract: Linear guide assembly comprising at least two guide rails, which are movable in the longitudinal direction with respect to each other having similarly shaped raceways, a plurality rolling elements, guided in a cage, at least one gear wheel connected to the cage for the positive guidance of the cage, which wheel engages in toothed racks or the like, each of which is connected to a guide rail, said gear wheel consisting of a disk, having an external circumference which is provided with uniformly distributed axial rolling elements, which project slightly beyond the disk, and wherein said recesses, correspond to the external shape of the rolling elements and into which the rolling elements can engage, are provided equal distances apart directly in the guide rails.

Abstract: A linear guide includes rolling bodies that are inserted into mutually corresponding grooves of mutually guided parts. The guide surfaces for the rolling bodies are partially formed by plane surfaces of rotatable beveled round rods that are positioned in the grooves. The linear guide is constructed as a double guide on both sides with respectively two spaced-apart guide grooves on mutually opposed sides of the mutually guided parts. Because the guide surfaces are partially formed by the plane surfaces of the rotatable beveled round rods, wedge angles between the mutually guided parts are compensated. Manufacturing technical requirements regarding the matching of the distances of the guide grooves to each other are thereby greatly reduced.

Abstract: An automobile seat slide unit includes two slide rail assemblies disposed on respective sides of a seat. Each of the slide rail assemblies has a lower rail to be secured to a vehicle floor and an upper rail to be secured to the seat and slidably mounted on the lower rail for adjusting the position of the seat in a direction longitudinally of a vehicle body. The lower rail has a generally flat bottom wall, two outer side walls extending upwardly from respective side edges of the bottom wall, and two inner side walls extending laterally inwardly and downwardly from respective upper edges of the outer side walls to present a shape generally similar to an inverted figure "U". On the other hand, the upper rail has a generally flat upper wall, two inner side walls extending downwardly from respective side edges of the upper wall, and two outer side walls extending laterally outwardly and upwardly from respective lower edges of the inner side walls to present a shape generally similar to the shape of a figure "U".

Abstract: A vehicle seat slideway has a male channel member whose two flanges are outwardly extended by flaps extending at an angle outwards and towards the web of the male channel member to a vertical end portion, and a female channel member having flanges extended by reentrant troughs penetrating between the flanges and the flaps of the male channel member. Same-diameter balls are disposed firstly between each flap and the corresponding reentrant trough, bearing against at least the vertical end portion of the flap and against a sloping flat portion which extends an initial horizontal portion of the reentrant trough, and secondly against the flap and a corner zone situated at the junction between the web and the corresponding flange of the female channel member.

Abstract: A slide for vehicle seats includes a generally U-shaped female section having two flanges respectively extending to flange returns that confront one another. Also included is a generally U-shaped male section also having two flanges respectively extending to flange returns that are oppositely directed from one another, the flange returns of the male section are inserted under the flange returns of the female section. At least one retention unit is attached to the female section and extends between the flanges of the male section. Pointed teeth extend from edges of the retention unit and are directed toward confronting adjacent planar surfaces of the male section flanges. Tips of the teeth are made of a material harder than that of the male section to allow penetration of the teeth into the planar surfaces of the male section flanges thereby anchoring the teeth therein, in response to deformed displacement of the male section flanges toward the teeth.

Abstract: A machine slide comprising a support member having two longitudinally-extending races with outwardly-facing, longitudinally extending grooves at opposite sides thereof, and a carriage movable on the support member. The carriage has two longitudinally-extending races having inwardly facing, longitudinally-extending grooves. When the carriage is placed on the support member, the grooves of the support member and the grooves of the carriage correspond to define two parallel longitudinally-extending raceways for roller bearings. There are two longitudinally-extending slits forming an island in the bottom surface of the carriage above one of the races on the carriage. A longitudinally-extending groove is located along the outside face of the side wall of the carriage nearest the island. A bearing retainer that regulates the spacing of the roller bearings is mounted within each raceway.