Abstract: The present invention provides, in a preferred embodiment, a vehicle seat adjuster particularly suitable for the middle or forward seating of a three-row van or minivan type vehicle. The seat adjuster may be provided with a master-slave latch arrangement allowing adjustment by the vehicle seat occupant by manipulating a rod extending toward the front of the vehicle seat adjuster or by a vehicle occupant seated rearwardly manipulating a second rod extending toward the rearward end of the vehicle seat adjuster. Although particularly useful in van-type vehicles, this seat adjuster may also be used in conventional passenger vehicles. The seat adjuster has two latches which are moved to a nonengaged or release position by manipulation of a slidably mounted roller which is displaced by a rod to tension a cable connected to both of the latches.

Abstract: A positioning system for moving an ophthalmic examination chair used in conjunction with an associated instrument stand between a forward position spaced a predetermined distance from an eye examination target and a rearward position providing access to the instrument stand by a patient in a wheel chair. A lower base is provided as extending along a longitudinal axis between a forward end and a rearward end, and as having an upper and a lower surface and a widthwise extent configured as being receivable between the wheels of the wheel chair. An upper carriage, having a bottom surface and a top surface configured to receive the examination chair thereon, is supported on the upper surface of the base for movement between the forward and the rearward end thereof along the longitudinal axis to position the examination chair at the forward and the rearward position.

Abstract: A seat slide device with a walk-in mechanism comprises a stationary guide rail fixed onto a floor panel and a slidable guide rail slidably fitted to the stationary guide rail for fore-aft position adjustment of a seat, a screw-threaded shaft member rotatably supported on one of the slidable guide rail and the stationary guide rail, and a nut member engaged with the screw-threaded shaft member for causing fore-aft motion of the slidable guide rail to the stationary guide rail through rotation of the screw-threaded shaft member. The walk-in mechanism includes a lock member being operable between a locked position to interlock the nut member to the other guide rail, and an unlocked position to permit a change of relative position of the nut member to the other guide rail. The lock plate is pivotally shifted between the locked position an the unlocked position by a control cable usually linked to a reclining lever.

Abstract: A track assembly for a vehicle includes an upper track slidably mounted in a lower track. A seat belt buckle mounting bracket is attached to the upper track and connects a fixed seat belt to the upper track. The seat belt buckle mounting bracket includes first and second angularly disposed legs, with the first leg attached to the upper track and the second leg attached to a fixed seat belt buckle. The attachment structure mounts the seat belt buckle mounting bracket in a first, normal operating position in which the second leg of the bracket extends upward from a side wall of the upper track. The attachment structure permits the seat belt buckle mounting bracket to rotate from the first position under a force applied through the fixed seat belt to a second position in which the second leg of the bracket is substantially aligned with the longitudinal axis of the upper track to place the first and second legs of the bracket in tension with the applied force.

Abstract: A vehicle seat adjuster includes a pair of spaced upper tracks, each slidably mounted in one of a pair of lower tracks. A seat support arm connected to each upper track slidably extends through a slot formed in each lower track. A rod extends between each pair of track assemblies and releasably engages a notch formed in each support arm and one of a plurality of notches formed in the lower track to releasably lock the upper track in a stationary position relative to the lower track. A bearing conforming to the shape of the upper track is interposed between each upper and lower track. Support members are connected to each lower track to anchor each lower track to a vehicle floor. Cooperating resisting elements are formed in each upper and lower track pair and inter-engage under deforming load of the tracks and bearing to resist separation of the upper track from the lower track.

Abstract: A mechanism for selectively locking a stationary element and a movable element mounted on the stationary element. The mechanism comprises a pawl block mounted within a casing for sliding movement in opposite first and second directions along a first axis substantially transverse to an engagement surface on the stationary element. The pawl block has a substantially "V"-shaped cavity defined by two ramp surfaces which, together with the engagement surface, define a substantially triangular recess. A striated roller member is mounted within the recess for simultaneous circumferential engagement with the engagement surface and at least one of the inclined ramp surfaces when the pawl block is in its locking configuration.

Abstract: A seat sliding apparatus for a vehicle is comprised of a pair of lower rails each of which is to be secured to a floor of a body of the vehicle, a pair of upper rails for supporting a seat-cushion which are slidably mounted on the respective lower rails, an auxiliary device interposed between each lower rail and the corresponding upper rail for assisting a movement thereof, and a stopper formed integrally with each of the upper rails so as to be brought into engagement with the auxiliary device when each of the upper rails move at a distance. An alminum extrusion manner is avilable for the formation of the stopper.

Abstract: A turntable having a bottom frame with a channel network formed on the bottom frame and a table top having a pair of guide roller attached thereon adjacent a side edge of the top. The rollers slideably engage the channels permitting the top to rotate one hundred and eighty degrees such that the top extends a minimal distance over the back edge of the bottom frame.

Abstract: A seat sliding apparatus for mounting a seat of a vehicle, comprises: a pair of lower rails for fixing to a floor of the vehicle, each of the lower rails including an opening; a pair of upper rails for fixing to the seat of the vehicle and held slidably by the pair of lower rails through the openings; and a pair of plate members respectively fixed to the lower rails, each the plate member covering at least a portion of each of the openings.

Abstract: A vehicle seat adjuster includes laterally spaced track assemblies each having an upper track slidable fore-and-aft relative to a lower track and normally locked to the lower track by a latch adapted to be pivoted about an upright axis to an unlatched position. Pivoting of the latches is effected by manually turning an operating handle about a laterally extending axis, the handle being conveniently located adjacent and accessible from the outboard side of the vehicle seat.

Abstract: A vehicle seat adjuster slide assembly. The assembly includes a formed stationary rail for attachment to the vehicle's floor structure and for carrying the remaining components of the assembly. A formed sliding rail mates with the stationary rail and adjustably retains a seat within the vehicle. The two rails are stably and slidably engaged through their respective cross sectional features, rollers and sliding bushings.

Abstract: The inner memory comprises an arm with a rear nose and a front notch and is at rest in an inner lower portion of the fixed lower profile member. The lower fixed profile member has a first inner toothing for cooperating with the rear nose of the memory. A first L-shaped lever ending into a nose is articulated via a first articulation pin on an angle bracket mounted on the mobile upper profile member and has a finger below the first articulating pin. The angle bracket carries a second articulation pin for both an actuating bar and a second L-shaped lever ending into a nose for cooperating with the notch of the memory. The actuating bar is designed to bear on the latch under the effect of the finger of the first L-shaped lever when the first lever is pivoted by a control device. A further control device is provided to pivot the actuating bar and the second L-shaped lever so as to release respectively the latch and the memory simultaneously.

Abstract: An easily removable vehicle seat is provided for use with a vehicle including a floor having an upwardly facing surface. The floor includes front and rear wells extending below the upwardly facing surface and anchor members extending across the wells. The vehicle seat includes a rigid support structure having a downwardly facing surface for engaging the anchor members of the vehicle floor. A cushioned seat structure is provided on the rigid support structure. The vehicle seat also includes hook members mounted on the rigid support structure for movement between (1) an operative position extending below the downwardly facing surface so as to enter the wells and engage in hooked relationship with the anchor members and (2) an inoperative position disposed above the operative position thereof so as to enable the rigid support structure to be moved relatively over the floor.

Abstract: A seat slide device including a lower light-alloy guide rail rigidly mounted on a floor panel through a leg member attached to the lower rail, an upper light-alloy guide rail which is slidably fitted to the lower rail and firmly secured to the bottom of a seat, and bearings rotatably disposed between the upper and lower rails, comprises a reinforcement arranged along the inner wall of the rear end of the lower rail for enhancing a rigidity of the rear end. The leg member is arranged along the outer wall of the rear end of the lower rail in a position where the reinforcement and the lower rail are overlapped with each other so that the three members are stratified to each other. The three-stratified members are integrally coupled to each other by fastening rivets. The reinforcement is integrally formed with a bearing stopper restricting a maximum rearward displacement of the bearings.

Abstract: A latchable track assembly for use with a seat in a vehicle, is disclosed. The assembly comprises first and second generally U-shaped slidably engaged track members adapted for relative sliding movement with respect to each other along a first longitudinal axis. The first track member has a first row of consecutive teeth on the first track member with the first row in aligned, generally parallel relation to the first axis, the consecutive teeth defining interstices positioned one between each pair of the consecutive teeth. There is a locking member having a least one detent portion dimensioned to be positionable within at least one of the interstices in transverse intruding relation to the first row of consecutive teeth and a bracket member rigidly attached to the second track member and adapted to laterally support the locking member in juxtaposed pivotable relation to the first track member.

Abstract: A seat sliding device consisting essentially of an upper rail fixedly mounted on a seat, a lower rail which is fixedly mounted on a vehicle body and has a substantially identical cross section with that of the upper rail, and a rolling member for assisting said upper rail in sliding along said lower rail. Each upper and lower rail has a substantially flat base portion to be mounted on said seat, a pair of side wall portions provided on both side ends of said base portion and which extend at right angles from said base portion, and a pair of flange portions provided on the each end of said pair of side wall portions and which extend at approximate right angles from said side wall portions. Further, the upper and lower rails engaged with each other, thereby forming a seat sliding body which have a unitary cross section in which a longitudinal length and a horizontal length thereof are identical.

Abstract: A seat fore and aft adjuster for a vehicle is provided which in a preferred embodiment includes a pair of parallel elongate channels secured to the floor of the vehicle, both channels having an inner space defined by vertical, concave upper and concave lower inner surfaces, the channels having a locking plate with a series of associated notches, and fore and aft rollers, the fore rollers including a tubular axle housing rotatively mounting elastomeric rollers and the housing being threadably affixed with a seat frame while at the same time affixing a bracket to the seat frame, and an independent guide secured to the bracket and extending into the channels' inner spaces and sliding against the upper surfaces thereof. A pin is slidably mounted in the fore axles for locking engagement with the locking plate. A leaf spring fixed with respect to the seat frame biases the locking pin toward engagement with the lock plate.

Abstract: A seat slide device includes a stationary rail and a movable rail. The stationary rail has a first bottom wall portion, first inside wall portions vertically upwardly extending from side ends of the first bottom wall portion, upper wall portions outwardly extending from upper ends of the first inside wall portions, and first outside wall portions vertically downwardly extending from outer ends of the upper wall portions. Each of the upper wall portions is grooved at a major portion thereof for receiving ball bearings thereon and convexly curved at a rear end portion thereof. The major portion and the rear end portion are united.

Abstract: A vehicle seat adjuster includes a pair of spaced upper tracks, each slidably mounted in one of a pair of lower tracks. A seat support arm connected to each upper tracks slidably extends through a slot formed in each lower track. A rod extends between each pair of track assemblies and releasably engages a notch formed in each support arm and one of a plurality of notches formed in the lower track to releasably lock the upper track in a stationary position relative to the lower track. A bearing conforming to the shape of the upper track is interposed between each upper and lower track. Support members are connected to each lower track to anchor each lower track to a vehicle floor. Cooperating resisting elements are formed in each upper and lower track pair and inter-engage under deforming load of the tracks and bearing to resist separation of the upper track from the lower track.

Abstract: A seat slider mechanism consists of a U-shaped lower rail provided, on outer left and right sides, with a longitudinally oriented, downward facing first hook portion. An upper rail engages with the lower rail via a second, upward facing hook portion provided longitudinally on both left and right inner surfaces. A seat is mounted on the upper rail and a motor, or other source of driving force may be provided for moving the upper rail relative to the lower rail. The lower rail is secured by mounting brackets which are attached to end blocks by both rivets and welding.

Abstract: A manually-operable automotive seat adjustment mechanism equipped with a traveling seat belt buckle anchor arrangement is disclosed. The traveling seat belt buckle anchorage arrangement is adapted to transfer vertically directed separation loads imparted on the seat belt buckle through a sliding hook-type load bracket and into the vehicle floor pan via a specially configured stationary riser. The riser is configured to maintain an interlocked relationship with respect to the sliding load bracket throughout the entire range of longitudinal fore and aft seat adjustment. In addition, the seat belt buckle anchorage arrangement includes an elongated reinforcement bracket secured to the sliding load bracket for sliding longitudinal movement therewith and which is adapted to inhibit excessive pivotable excursions of the seat belt anchor.

Abstract: A movable base support for a medical examination chair permits movement of the examination chair to provide a space allowing a wheelchair to be positioned adjacent medical instruments. The base support for the examination includes a power unit pivotally mounted to a rear of the platform and biased towards the floor. The bias force ensures that the power unit maintains contact with uneven floor surfaces. A guide system assembly limits the range of movement, and allows the examination chair to be returned to a precise original location adjacent to medical instruments.

Abstract: A seat slide device for an automotive vehicle which supports a seat to be slidably movable in the front and aft direction. The seat slide device is provided with a seat rail connected to the seat which is slidably connected with a floor rail. A bracket is integrally connected to and vertically projects and extends from the floor rail. The bracket is fittingly connected to a vehicle body with bolts. The bolts are located at a position where they are uncovered by other parts of the device, thereby enabling the easy detachment of the seat from the vehicle body.

Abstract: A lower rail of channel structure is secured a floor. The lower rail has a longitudinally extending slot in an upper portion thereof. An upper rail is slidably engaged with the lower rail and mounts thereon a seat. The upper rail includes a base portion which is slidably received in the lower rail and a supporting wall portion which extends upward from the base portion and passes through the slot of the lower rail for connection with the seat. A protecting cover covers one end portion of the lower rail and has a longitudinally extending slit into which the supporting wall portion of the upper rail is inserted when the upper rail assumes an extreme position relative to the lower rail. A concealing structure is integral with the projecting cover and constructed to conceal the slit. The concealing structure and the supporting wall portion are so constructed as to permit the insertion of the supporting wall portion into the slit irrespective of provision of the concealing structure.

Abstract: An interlocking track arrangement for a seat slide device of the type used in manually-operable vehicle seat slide mechanisms is disclosed. The seat slide device also includes a latching arrangement having a lock plate fixed to a lower track and a latch plate supported from an upper track for rectilinear movement along a vertical plane. The latch plate has a plurality of locking teeth each having a segmented toothform defined by a first locking portion for facilitating initial receipt within a locking aperture formed in the lock plate, a second locking portion for facilitating complete interdigitated engagement therebetween, and a camming portion providing a ramped transition between the first and second locking portions. The rectilinear movement of the latch plate along the vertical plane provides improved operation and reliability.

Abstract: A dual rail adjuster arrangement is provided that is hidden beneath the floor. The adjuster can be used for front or rear seat applications and offers the necessary strength and stability that prior wheeled adjusters cannot. In addition, the present invention offers the ability to remove the seat so that a van cargo area can be cleared in a relatively simple manner. The adjuster arrangement is non-obtrusive, and the floor is left relatively flat when the seats are removed. In a preferred embodiment, the adjuster includes an elongate stationary rail that is substantially recessed below the vehicle floor. The rail is positioned into a formation in the floor or, if additional strength is necessary, into a reinforcement that extends below the floor. A slider rail is fitted at the stationary rail and is supported by roller ball bearings or other similar means interposed between the two rails.

Abstract: A seat slide device includes a stationary rail and a movable rail. The stationary rail has a first bottom wall portion, first inside wall portions vertically upwardly extending from side ends of the first bottom wall portion, upper wall portions outwardly extending from upper ends of the first inside wall portions, and first outside wall portions vertically downwardly extending from outer ends of the upper wall portions. Each of the upper wall portions is grooved at a major portion thereof for receiving ball bearings thereon and convexly curved at a rear end portion thereof. The major portion and the rear end portion are united.

Abstract: A seat base, in particular for a motor vehicle seat, which may be manufactured at reasonable cost, has the necessary strength properties and permits replacement of the upholstery and/or cover is disclosed. The seat base is divided into a dish-shaped upholstery support made from a thermoplastic material and a seat frame. The seat frame is consists of at least two longitudinal supports made from a thermoplastic, high-strength which are connected to one another by means of steel cross-beams.

Abstract: Telescoping lower and upper tracks which comprises nested open channel sections. The lower track includes a three sided channel with opposing sides each forming one half of a bearing race. The open portion of the channel is defined by in-turned lips which enhance structural rigidity thereof. The upper track also includes a three sided channel with opposing sides forming the second half of a bearing race. The open portion of the channel is defined by outwardly extending lips which enhance structural rigidity thereof. A series of balls located in the bearing race established by the upper and lower track define a structural relationship therebetween. A retainer is disposed on the upper track and includes a laterally extending portion which occupies the opening defined by the inner track.

Abstract: A vehicle seat slide comprising an upper, movable member carrying a seat and a lower, fixed member having the same shape and configuration, one member being inverted with respect to the other. The upper member has two downwardly-facing surfaces each supported on balls in two ball races and the lower member has two upward-facing surfaces each supporting the balls in the two ball races.

Abstract: A sliding device for moving a seat in the lengthwise direction of a vehicle body is comprised of an upper rail having an inner space and supporting the seat, a lower rail having an inner space, secured to a floor of the vehicle floor and mounting the upper rail in such a manner that the upper and lower rails are inter-locked with each other, the upper rail is slidable along the lower rail and the inner space of the upper rail is positioned above the inter-locked portion, a screw shaft rotatably supported by the upper rail and located therein, a nut threadably mounted on the screw shaft and secured to the lower rail so as to be located in the inner space of the upper rail, and a motor for rotating the screw shaft.

Abstract: An extendible seat arrangement for use in moving a seat in and out of a confined space includes a plurality of telescopically-extending interlocking sections which nest one within the other and are curved. One of the sections includes a carrier for carrying the seat. A motor is arranged to move the sections between their extended and retracted positions.

Abstract: A seat slide adjuster includes a lower rail fixed to a vehicle floor and an upper rail slidable with respect to the upper rail. Each portions of respective rais are integrally formed so that thickness of each portions of the rails are easily selected to with stand a high load in collision. Oblique portions of the rails which are opposed to each other will be brought into contact to receive the high load.

Abstract: A structure for covering a slide rail in a seat adjuster, wherein there is provided a cover member having, formed at its rear end, a covering part for covering the rear end side of lower rail of the seat adjuster, with the arrangement that the cover member is movable along the lower rail via a rolling element retainer, so as to keep covering the rear side of seat adjuster positively.

Abstract: A seat slide device for fore-and-aft adjustment of a seat, including upper and lower rail, the former being fitted slidably within the latter, wherein a spacer member of an elastic material is interposed between a slide portion of the upper rail and an upper portion of the lower rail, so as to prevent a wobbling of the upper rail relative to the lower rail as well as to suppress a contact noise therebetween.

Abstract: Movable and stationary rails are of complementary cross sections, the movable rail being generally C-shaped with grooved side wall portions, the stationary rail having an elongate flat upper plate whose side edge portions constitute guide edge portions. The side edge portions of the stationary rail are spacedly received in the grooved side wall portions of the movable rail. Metal rollers are disposed between major flat portions of the movable and stationary rails. A plastic slider is secured to each of the guide edge portions and so shaped as to be neatly and slidably received in the corresponding grooved side wall portion of the movable rail. The plastic slider has an opening through which an outside edge wall of the guide edge portion is exposed. A metal ball is rotatably received in the opening in such a manner that diametrically opposed ends thereof are contactable with the outside edge wall and an inner surface of the corresponding grooved side wall.

Abstract: An improved manual seat adjuster for selectively positioning a seat which requires as little space as possible to operate and that includes a primary and secondary locking arrangement for resisting greater than normal loading which may be experienced by the seat adjuster.

Abstract: A seat adjuster for a vehicle seat assembly is disclosed in which a drive nut and drive screw are provided with the drive nut lugs and mounting bracket configured to enable assembly of the seat adjuster after the drive screw has been threaded onto the drive nut. The drive screw is a four start screw enabling the speed of rotation of the screw to be reduced while maintaining the operating speed of the seat adjuster. The reduced rotating speeds reduces sound emission during operation of the seat adjuster.

Abstract: A seat slide device is disclosed, which comprises a molded lower rail which is secured to a vehicle floor and is formed with outwardly projected flange portions for increasing a mechanical strength thereof; and a molded upper rail which carries thereon a seat and is slidably enaged with the lower rail. A toothed structure is integral with the lower rail and has a plurality of axially aligned teeth. A latch member is carried by the upper rail and latchingly engageable with the teeth to achieve a latched engagement between the lower and upper rails. A reinforcing plate is lined on the lower rail. The reinforcing plate has a toothed portion which is lined on the toothed structure to reinforce the same.

Abstract: A power seat slide device includes a pair of parallel stationary rails and a pair of parallel movable rails axially slidably engaged with the stationary rails. The movable rail and the stationary rail are assembled to define therebetween an elongate tunnel which extends along a common axis of the stationary and movable rails. A threaded shaft is housed in the elongate tunnel and has both ends rotatably supported by the movable rail. A nut is received in the elongate tunnel and fixed to the stationary rail. The threaded shaft is operatively engaged with the nut so that rotation of the threaded shaft about its axis induces a longitudinal movement of the movable rail relative to the stationary rail. An electric motor is mounted on the movable rail and has a drive shaft. A gear mechanism is arranged between the drive shaft and the threaded shaft for transmitting a power of the drive shaft to the threaded shaft. A gear housing houses therein the gear mechanism.

Abstract: An easy entry seat track assembly is provided. The assembly includes a mechanical memory for the comfort position when the seat is moved to the easy entry position and returned. A latching mechanism is provided which engages a latching plate at a multiplicity of positions to establish a comfort setting for the occupant. A handle is provided to establish the comfort setting. The handles has a detent which is automatically releasably engageable with the latch mechanism when the seat moves to the easy entry position and returns to the comfort position.

Abstract: In a vehicle seat provided with a seat belt anchor attached to a seat base plate or a seat sliding rail, a lower rail reinforcing member is provided for a lower rail in the vicinity of a seat belt anchor mounting portion, to increase strength of the lower rail required at vehicle collision.

Abstract: A power seat lifter arrangement has a drive mechanism for driving a seat cushion for adjustment of the height level, which drive mechanism is mounted on an upper rail of a seat slide. The drive mechanism is separated into two parts, one is for adjusting the height level at the front portion of the seat cushion, and the other is for adjusting the height level at the rear portion of the seat cushion.

Abstract: A seat attachment assembly for use to attach a seat onto a vertical wall, preferably but not exclusively the wall of a locomotive driver's cab. The assembly comprises an elongated rail member that can be rigidly fixed in horizontal position onto the vertical wall. The assembly also comprises a seat carrier slidably mounted onto the rail member. The seat carrier comprises a seat-supporting member on which the seat is pivotably mounted about a vertical axis, and a set of supporting arms for mounting the seat-supporting member onto the rail member for horizontal displacement therealong. Rollers are mounted at the free ends of the arms. These rollers bear into the rail member and the vertical wall to vertically support the seat carrier and simultaneously hold the seat-supporting member in a cantilever manner at a given distance away from the vertical wall. Thanks to these rollers, horizontal adjustment of the seat along the vertical wall can easily be achieved without any physical effort.

Abstract: The present invention provides a seat sliding device for the front seat of a vehicle. The seat sliding device, according to the invention, comprises a vehicle floor surface comprising a floor panel, a soundproof and a vibration-proof member mounted on the floor panel, and a surface layer member formed over the soundproof and vibration-proof member. A cutout portion is provided in the soundproof and vibration-proof member and in the surface layer member for exposing the floor panel, and is formed by linearly cutting out a predetermined portion of the soundproof and vibration-proof member. A linear lower rail is inserted through the linear cutout portion for direct securement thereof to the floor panel, and an upper rail is slidably received within the lower rail and fixed to the seat.

Abstract: Disclosed herein is a power seat slide device which comprises a stationary rail member; a movable rail member axially slidably engaged with the stationary rail member, the movable rail member having an anchor portion to which an end of a seat belt is connected; a rack member extending along and secured to the stationary rail member having an axially extending slit defined therebetween; a pinion meshed with the rack member; a drive device mounted on the movable rail member to drive the pinion; and an embracing structure connected to the movable rail member and embracing the rack member in a manner to constitute a slidably interlocking connection therebetween, the embracing structure having opposed end portions by which the pinion is rotatably held, one of the opposed portions being passed through the axially extending slit.

Abstract: A seat adjuster for use in automotive seat employing a pair of slide rails for fore-and-aft adjustment of the seat with a locking mechanism, wherein, at one of the two slide rails disposed adjacent to a center of the automobile, there are arranged first and second shafts, such that the second shaft, which is provided with an operation handle, is disposed lower than the second one which is connected with the locking mechanism, with a link mechanism interposed between the two shafts for their mutual simultaneous rotations. Hence, the operation handle is positioned lower close to the automobile floor and disposed adjacent to the inner or center side of the automobile, so that occupant's foot or clothes is not contacted with the handle.

Abstract: A track assembly of a vehicle seat adjuster includes an upper track secured to the seat and adjustable back and forth along a lower track which is anchored to the vehicle floor pan. Friction between the tracks is reduced by load-bearing rollers located between the tracks at the center thereof and by spherical balls located between the tracks along the sides thereof. The rollers travel independently of the balls to prevent possible binding of the rollers, the balls along each side of the track being held in fixed longitudinally spaced relation by a strip-like retainer.

Abstract: A vehicle seat support assembly for supporting a seat for vertical adjustable movement. The seat support assembly includes lower mounting rails which are fixed to the vehicle and an upper seat supporting frame to support a vehicle seat. Pivot links connected between the mounting rails and the upper seat supporting frame support the seat supporting frame for vertical movement with respect to the mounting rails. A locking rail locks the vertical position of the upper seat supporting frame with respect to the lower mounting rails. The locking rail includes a fixed second portion and a first portion fixed to the upper seat supporting frame which is movable forwardly and rearwardly with respect to the second portion of the locking rail.

Abstract: An arm rest assembly is usable with a mouse pad or keyboard and provides vertical support for a user's arm to avoid fatigue and injury. The assembly has at least one forearm cradle and a thin profile which allows a mouse or digitizer pad to be placed on an assembly platen or to insert the assembly under a keyboard and support both forearms of the using while striking the keys of the keyboard with both hands. The assembly further includes a detachable slide which is pivotable and, at the same time, allows linear movement of the arm toward and away from the assembly. An interchangeable cradle for the user's forearm has springs to counteract the arm weight and to make the cradle stable in the horizontal position while permitting some tilting.