Abstract: A vehicle seat includes a track latch assembly having a lower track configured to couple to a vehicle floor, an upper track coupled to a seat base, a recline handle rotatably coupled to a seat bottom, and a track release mechanism configured to move between a disengaged position that enables relative sliding movement between the lower track and the upper track, and an engaged position that facilitates preventing relative sliding movement between the lower track and the upper track. Rotation of the recline handle is configured to move the track release mechanism from the engaged position to the disengaged position, and movement of the seat bottom from a lowered position to a raised position is configured to move the track release mechanism from the engaged position to the disengaged position. A pivot latch assembly prevents movement of the seat bottom to and from the lowered and raised positions.

Abstract: An adjustment unit, for a vehicle seat, is provided for adjusting a position and/or inclination of a component of the vehicle seat. The adjustment unit has a handling element, which is provided in a first direction for applying a first adjustment movement of the component, and in a second direction for applying a second adjustment movement of the component. The adjustment unit is embodied in such a way that the first adjustment movement permits more rapid adjustment of the component than the second adjustment movement.

Abstract: A fixed rail comprises a first rail-surface facing upward and a second rail-surface facing downward. A movable rail is configured to be slidable relative to the fixed rail and to support a seat. At least one first roller is mounted on the movable rail. The at least one first roller is configured to receive a downward load imposed on the movable rail and to roll on the first rail-surface. At least one second roller is mounted on the movable rail and is configured to roll on the second rail-surface. At least one pressing member is configured to elastically deform and to upwardly press the at least one second roller upwardly against the second rail-surface.

Abstract: A seat sliding apparatus for a vehicle includes a lower rail, an upper rail supported to be movable relative to the lower rail, and a pressing member attached to one of the lower rail and the upper rail via a biasing member. The pressing member constantly presses the other of the lower rail and the upper rail by a biasing force of the biasing member. The lower rail and the upper rail extend in a first direction. The pressing member obliquely presses the other of the lower rail and the upper rail so that force components are generated in both the first direction and in a second direction orthogonal to the first direction.

Abstract: A rail pair (1), for a vehicle seat (10), includes at least a lower seat rail (S1) and an upper seat rail (S2), which engage around one another in such a way that a rail profile is formed and which can be moved in relation to each other in a longitudinal direction (L) and can be interlocked by a rail locking device (2). Rolling elements (4) are arranged between the seat rails (S1, S2) in an interaction region. The upper seat rail (S2) includes two side walls (S2.1, S2.2), which two side walls (S2.1, S2.2), in a vertical orientation, protrude largely in parallel and perpendicularly from a bottom region (S2.3). One of the side walls (S2.2) is bent outward in a continued course in some regions of the longitudinal direction (L).

Abstract: A seat slide apparatus for a vehicle, the seat slide apparatus includes: a lower rail which is fixed to a vehicle floor; an upper rail which is slidably engaged with the lower rail; and a rolling element circulation unit having rolling elements and interposed between the lower rail and the upper rail in a state where the rolling elements are able to be circulated, in which the lower rail includes a bottom wall portion, sidewall portions, and upper wall portions, the upper rail includes a main body portion, and folded-back portions, the rolling element circulation unit includes a case having an annular accommodating path accommodating the rolling elements, between the lower rail and the upper rail, an upper rolling element circulation unit and a lower rolling element circulation unit are provided to be disposed at two positions spaced apart from each other, and the upper rail includes a pedestal portion.

Abstract: A seat arrangement apparatus for a vehicle seat that includes at least two tracks fixed to a floor of a vehicle each track including a base separating a first hollow portion and a second hollow portion, at least two seat mounting assemblies movable along the at least two tracks, and a stopper movably installed inside each of the at least two tracks between the at least two seat mounting assemblies to prevent the at least two seat mounting assemblies from touching each other when positioned together.

Abstract: A seat slide device includes lower rails and upper rails both formed substantially symmetrical bilaterally across a center in a width direction, and lock mechanisms on both sides of the upper rails to be engaged with the lower rails to lock them. An entire structure combining the lower rails, the upper rails and the lock mechanisms is substantially symmetrical forward, backward, and bilaterally, and a force applied to the lower rails and the upper rails can be absorbed substantially evenly forward, backward, and left and right. Since the lock mechanisms have an elastic lock member in a substantially center part in a longitudinal direction, the lower rails and the upper rails are elastically deformable for reduction of a biased load at a time of locking, improvement in vibration absorption characteristic, and the like, and a plate thickness of each material can be made thinner than conventional for weight reduction.

Abstract: System comprising a slide track for motor vehicle seat and a support. The slide track comprises a fixed rail and a movable rail which has an inner surface, an outer surface, and a through-window. The support comprises a body having a contact surface attached to the outer surface of the movable rail, and a tongue extending from the body to pass through the window of the movable rail and be attached to the inner surface of the movable rail. The tongue has a maximum extension into the hollow interior space E that is less than or equal to a thickness of the tongue.

Abstract: Provided is a seat sliding device. The seat sliding device comprises a fixed-side rail, a movable-side rail, a lock portion, a first elastically deforming portion, a second elastically deforming portion, a releasing member, and a protruding piece. The movable-side rail comprises an open-sectional portion including two side walls and a lid wall that couples the two side walls to each other. The lock portion is displaceable between a restraint position and a release position. The releasing member is engaged with the first elastically deforming portion. The protruding piece comprises an engaged portion with which the second elastically deforming portion engages.

Abstract: An adjustment device for adjusting a longitudinal position of a vehicle seat, comprises: a first guide rail; a spindle fixed to the first guide rail and extending along a longitudinal axis; a second guide rail being linearly movable along the longitudinal axis with respect to the first guide rail, the second guide rail having a base and a first leg extending from the base; and a gearing fixed to the second guide rail and having a housing, the gearing being in operative connection with the spindle to move the second guide rail relative to the first guide rail. At least one support member is arranged on the second guide rail, the at least one support member having a support face extending transversely to the longitudinal axis and facing the housing of the gearing for supporting the gearing with respect to the second guide rail.

Abstract: A vehicle seat slide device includes: a lower rail including a base portion fixed to a vehicle body and wall portions connected to ends of the base portion in a width direction; an upper rail supporting a seat and supported by the lower rail to be capable of sliding in an extending direction; and a foreign object blocking member disposed inside the lower rail and attached to the base portion, wherein first and second through holes are provided in positions at which the foreign object blocking member is attached in the base portion, the foreign object blocking member includes an attaching portion and a protruding portion protruding downward from an outside end portion, and the foreign object blocking member is elastically deformed such that the outside end portion is displaced downward.

Abstract: A slide rail is configured to have a specified front-upward slant angle within a range of 9-11 degrees relative to a floor panel such that a seat slides longitudinally with the specified front-upward slant angle and adjustably over a specified longitudinal range along the slide rail, a thigh support portion is provided at a front end portion of a seat cushion so as to swing vertically around its rear portion with an adjustable swing-angle range of 4 degrees or greater, and a seat device of a vehicle does not comprise any other lift mechanism for adjusting a height of the seat than the slide rail having the specified front-upward slant angle.

Abstract: A longitudinal adjuster in the interior of a motor vehicle, has an upper and a lower rail, between which at least one rolling body is provided. A projection is provided on the upper and/or lower rail, the projection forming a local contact point between the two rails.

Abstract: A longitudinal guide for vehicle seats including two elongate rails, each including a lower rail, an upper rail supported on the lower rail and displaceable longitudinally, two bearing areas for guiding means, the bearing areas lying diagonally opposite to and being biased against each other, each upper rail and lower rail having an L-shaped region, if viewed in profile, formed by a base leg and an L-leg that protrudes from the base leg substantially perpendicularly, and two end regions, which adjoin the L-shaped region, each end region of the upper or lower rail together with the end region of the associated lower or upper rail forming an embracing area by mutually hooking, end regions of the upper rail forming bearing areas with opposite portions of the associated lower rail, and a plurality of balls are supported in a first bearing area on the end region having a circular arc-shaped profile.

Abstract: A track set includes a memory assembly that is operable to an engaged state to set a user-selected position. When the memory assembly is in an engaged state and in the user-selected position, the memory assembly resists movement of a first rail relative to a second rail in an aft direction. When the memory assembly is in the engaged state and in the user-selected position and the second rail moves in a fore direction relative to the first rail, the memory assembly is displaced in the aft direction relative to the second rail to a first position.

Abstract: A seat adjustment apparatus includes a first rail and a second rail each having a plurality of openings that extend along a longitudinal axis, the openings being defined by spaced-apart locking surfaces. A locking mechanism having first and second locking portions is configured to engage the first and second rails. The first and second locking portions are selectively rotatable between a released position and a locked position. In the locked position, the first and second locking portions are configured for relative axial movement along the longitudinal axis such that the interaction of the locking mechanism with portions of the first and second rails attenuates longitudinal freeplay therebetween.

Abstract: A longitudinal guide for vehicle seats, comprising a lower rail, an upper rail supported thereon to be displaceable in a longitudinal direction, wherein each upper rail and lower rail has an L-shaped region, if viewed in profile, formed by a base leg and an L-leg projecting from the base leg substantially perpendicularly, and two end regions respectively connected to the L-shaped region. Each elongate rail includes a first bearing area and a second bearing area for guiding means, which are biased to each other and formed by opposite end portions of the respective upper rail and portions of the associated lower rail. Embossments are formed at both ends of the base leg of the upper rail by cold work forming, with a smaller radius of curvature to effect higher stiffness of the longitudinal rail, particularly in event of a crash. Further embossments may be provided for an even higher stiffness.

Abstract: A vehicle seat sliding apparatus includes: a first rail fixed to one of a vehicle floor and a seat and having first vertical wall portions, a first connection wall portion, and flanges; and a second rail fixed to the other one of the vehicle floor and the seat and having second vertical wall portions, a second connection wall portion, outward extending wall portions, and extending wall portions, wherein locking claws are aligned side by side at tip ends of the flanges of the first rail; the second rail is provided with through-holes; the vehicle seat sliding apparatus further includes, a locking member having locking portions, and a biasing member; and the outward extending wall portions are provided with flat portions.

Abstract: A gearbox bracket and a power seat sliding device are provided at low cost. A base part 351 includes a main body part 353 configured to support a gearbox 331, and a first protruding part 355 and a second protruding part 357 continuously connected to the main body part 353 and protruding in the direction of the output shaft. A side portion of the first protruding part 355 and a side portion of a first mounting part 371 are connected by a first vertical wall part 361 and a second vertical wall part 363. A side portion of the second protruding part 357 and a side portion of a second mounting part 373 are connected by a third vertical wall part 365 and a fourth vertical wall part 367.

Abstract: A seat sliding device for a vehicle includes a first rail, which is adapted to be fixed to one of a vehicle floor and a seat and a second rail, which is adapted to be fixed to the other one of the vehicle floor and the seat and coupled to the first rail to make relative movement with respect to the first rail. An urging member is provided with a latch part, which is latched to a second coupling wall part and a latch end part, which is latched to a lock lever. The urging member generates in association with bending deformation an urging force which urges the lock lever in a vertical direction toward a direction in which the lock lever engages with the first rail. The urging member has a coil part wound about a rotating shaft between the latch part and the latch end part.

Abstract: The invention relates to a seat rail for a motor vehicle seat, consisting of a lower rail and an upper rail shiftably mounted thereon, with at least one attachment part of the upper rail fabricated of sheet metal for fixing a seat or a safety belt. At least one marginal edge of the attachment part is blunted and solidified by an embossment.

Abstract: A device for forming a pattern in a sheet of material is provided. The device includes a base having a detent portion and a locating portion that provides a first position, a platform moveably coupled to the base, and a punch supported by the platform and configured to move between a reset position and a depressed position. The platform includes a detent element configured to engage the detent portion when the platform is proximate the first position and a locating element configured to provide fine location of the platform in the first position relative to the base by engaging the locating portion. The punch forms a pattern in a sheet of material when the punch moves from the reset position to the depressed position and a sheet of material is present proximate the depressed position.

Abstract: A longitudinal adjuster for a vehicle seat (1) includes a lower rail (5) and an upper rail (3) guided displaceably in the longitudinal direction therein. An upper clamp (30) is connected to the upper rail (3) and has at least one upper blocking region (39). A lower clamp (50) is connected to the lower rail (5) and has at least one lower blocking region (59). The lower blocking region (59) and the upper blocking region (39) are normally spaced apart from each other and intermesh in the event of a crash. A locking shackle (34), connected to the upper clamp (30), includes a bolt (42) running in the transverse direction. The upper clamp (30) has a cutout (32) within which the bolt (42) is arranged, and the bolt (42) is arranged behind the rear end of the upper rail (3) in the longitudinal direction.

Abstract: A longitudinal adjustor for a vehicle seat has a first seat rail and a second seat rail which engage around one another to form a rail profile and can be moved relative to one another in the longitudinal direction, and a rail locking member which can lock the seat rails to one another, an activation arrangement for activating an unlocking unit, a force-transmitting element which connects the activation arrangement to the unlocking unit. The force-transmitting element and interacts with the unlocking unit within the second seat rail, wherein a positively locking connection is provided between the force-transmitting element and the unlocking unit, and that the force-transmitting element serves simultaneously for mounting the activation arrangement in a pivotable fashion.

Abstract: A seat slide apparatus includes a support rail adapted to be attached to one of a seat and a seat attachment surface, a movable rail configured to be slidable relative to the support rail, a roller arranged between the support rail and the movable rail and guiding the movable rail to move relative to the support rail, and a vibration restricting member arranged between the support rail and the movable rail to restrict a vibration between the support rail and the movable rail, the vibration restricting member including a sliding contact point receiving a sliding load in a vertical direction of the movable rail, the sliding contact point being arranged to overlap the roller in a sliding direction of the movable rail.

Abstract: A seat track assembly includes a first track having a wall including a plurality of openings formed therein. A second track is slidably mounted relative to the first track and has a pair of spaced apart walls, each of the walls include a plurality of openings formed therein. The seat track assembly further includes a locking mechanism that includes a pin carried by the second track and slidably movable within a substantially horizontal plane between an engaged position and a disengaged position. In the engaged position, the pin is disposed in one of the plurality of openings formed in the wall of the first track and is pivoted to a position such that an axis of the pin is not parallel with the substantially horizontal plane. In the disengaged position, the pin is not disposed in the opening formed in the wall of the first track.

Abstract: A slide rail device for a vehicle includes a lower rail; an upper rail supported on the lower rail to be slidably movable relative thereto; a lock mechanism between the upper and lower rails; a lock-operation lever inserted into the upper rail; a rotational supporter supporting the lock-operation lever to be rotatable between locked and unlocked positions; a handle; a biasing spring having an engaging portion which engages with the lock-engaging portion so that the engaging portion is immovable relative to the lock-engaging portion wherein the biasing spring supports the rear-end portion of the handle; and a spring support portion, provided on the upper rail, which is positioned immediately below the biasing spring and prevents the biasing spring from falling downward from an underside opening of the lock-operation lever when the rotational supporter supports the lock-operation lever.

Abstract: Provided is a slide door device for a vehicle seat slide apparatus including: a lower rail configured to be fixed to a vehicle floor; an upper rail configured to be fixed to a seat; a lock mechanism that selectively locks a movement of the upper rail at an arbitrary position of the upper rail with respect to the lower rail; a stopper mechanism that has a stopper portion provided in the lower rail and a stopper member movably provided in the upper rail; an operation member that allows the movement of the upper rail, which is locked at the predetermined position, in the one direction by inputting an operation force for releasing to the stopper member; and a guide portion that is formed on the stopper member, and guides the stopper member so as to release the engagement between the stopper member and the stopper portion.

Abstract: The track assembly for a vehicle seat, comprising two parallel tracks, an electric motor, flexible connections connecting the electric motor to the track drive mechanisms and motor support members provided with guides in which the flexible connections are held.

Abstract: A longitudinal rail guide of a motor vehicle seat having a bottom rail, with a top rail which is movable in longitudinal direction relative to the bottom rail and with a locking device. The locking device has a guide part which is disposed on the top rail and has at least one guide opening, and for each guide opening there is a blocking part which is disposed so as to be movable in the guide opening. The guide part has a free edge which lies directly opposite an adjacent inner surface of the bottom rail, and before an accident the free edge is located at a small distance from the adjacent inner surface of the bottom rail and after an accident the free edge bears against the adjacent inner surface.

Abstract: The invention relates to a vehicle seat comprising a seat part, comprising a back rest part and comprising a linear guide device for translational adjustment of the vehicle seat, in which the linear guide device comprises a guide rail means and a slide rail means which is displaceable with respect thereto, in which a bearing means interacts between the slide rail means and the guide rail means and at least comprises slide rod elements so as to mount the slide rail means with respect to the guide rail means, and in which the slide rod element comprises an elongate undulating base body, the slide rod element having an effective external diameter which is greater, at least when the slide rod element is radially unloaded, than a core external diameter of the elongate undulating base body.

Abstract: The present invention achieves a slide rail device for a vehicle in which it is possible to smoothly eject out objects that have fallen into the lower rail by using the upper rail, even if slide-restriction lugs, for restricting the slide position of the upper rail with respect to the lower rail, are formed by being cut and raised, and in which it is possible to reduce deterioration in rigidity of the lower rail. The solution is a slide rail device including slide-restriction lugs formed on a lower edge of each downward-extending portion of the lower rail by being cut and raised, the slide-restriction lugs superposing the stopper lug of the upper rail in a forward/rearward direction when viewed from the front.

Abstract: Longitudinal, adjuster (27) having an outer and an Inner rail (50, 51), characterized in that the outer rail (50) has a structural element (53) which absorbs vertical forces and has a flexible element which biases a rolling body (52) against the inner rail (51).

Abstract: A manually, longitudinally adjustable motor vehicle seat having a lower rail secured to a vehicle chassis, and an upper rail longitudinally displaceable in the lower rail and secured to a seat component. Locking mechanisms released by release mechanisms secure the rails, and assume a release position when the backrest is folded forward. A blocking lever pivotably mounted on a pivot shaft secured to the upper rail can assume two stable extreme pivot positions, namely a passive position where the blocking lever has no contact with the release mechanism, and an active position where the blocking lever blocks the release mechanism in its release position. Upon longitudinal displacement of the seat from a comfort-longitudinal adjustment arrange into an easy-entry-longitudinal adjustment range, a control device comes into contact with the blocking device pivoting against the force of a spring device, out of its passive and into its active position, and vice versa.

Abstract: A locking unit of a longitudinal adjustment device of a motor vehicle seat includes a latching strip, which has detent openings and detent ridges, and b) a catch unit, which includes at least two catch pins, each catch pin having a front region, a tapering region, and a shaft region. The tapering region tapers from an upper point B to a lower point A. The tapering region is delimited by a line which connects the points A and B and which does not have a rectilinear progression. The line is not located outside of a straight line connecting points A and B, and is located within the straight line over at least one third of the distance AB.

Abstract: A seat slide apparatus for a vehicle includes: a lower rail that is fixed on a vehicle floor and extends in a front-rear direction of the vehicle; and an upper rail that is fixed to a seat and is movably supported on the lower rail in the front-rear direction of the vehicle, wherein the lower rail has a lower rail hook part extending in a width direction of the vehicle, wherein the upper rail has: a pair of rolling members arranged in the front-rear direction of the upper rail; and a shoe, which has a sliding contact part that slidingly contacts a lower surface of the lower rail hook part, wherein the lower rail has a curvature part that is convex downwards as viewed from the width direction, and wherein the shoe is arranged at an outer side of the pair of rolling members in the front-rear direction.

Abstract: A seat slide device of the present invention comprises a lower rail (102) and an upper rail (101). The lower rail (102) has a bottom wall (102b) and includes a foreign-object catching member (1). The foreign-object catching member (1) has an elastic body (2). A height of the elastic body (2) with respect to a bottom wall (102b) of the lower rail (102) is set to become higher than a height of a positioning pin (105) as a protruding object provided inside the lower rail (102) to protrude from the bottom wall (102b).

Abstract: An adjustable memory track assembly for a vehicle seat has a lower rail (18) adapted to be secured relative to a vehicle frame, and an upper rail (20) adapted to support the seat for fore/aft sliding movement relative to the lower rail (18). The adjustable memory track assembly (24) also has a track lock assembly (24) operable via a first actuator (28) between a locked, engaged state wherein relative movement between the lower (18) and upper rails (20) is resisted, and an unlocked, disengaged state wherein the seat can be slid to and then locked in a user-selected position. The adjustable memory track assembly (24) is characterized in that the memory module (24) is provided with a blocking element to prevent rearward movement of the seat past the user-selected position independent of the locking state of the track lock assembly (24).

Abstract: A slide locking apparatus has: a first locking piece having a narrow width locking hook section, a third locking piece having a broad width locking hook section and a second locking hook having an intermediate width locking hook section, which are held on an upper aril; and first to third locking piece accommodating holes which have width corresponding to the widths of the respective locking hook sections of the first locking piece to the third locking piece, and which are provided in a lower rail. The first locking piece accommodating hole is disposed on a frontmost end, the second locking piece accommodating hole is disposed to the rear side of the first locking piece accommodating hole, and the third locking piece accommodating holes are disposed to the rear side of the second locking piece accommodating hole.

Abstract: A seat slide apparatus for a vehicle includes: a lower rail that is fixed on a vehicle floor; and an upper rail that is fixed to a seat and is movably supported on the lower rail in the front-rear direction of the vehicle, wherein the lower rail has a lower rail hook part, wherein the upper rail has an upper rail hook part, wherein the upper rail hook part is to be engaged with the lower rail hook part in the upper and width directions, wherein the lower rail has a curvature part that is downwards convex as viewed from the width direction of the vehicle, and wherein the lower end of the lower rail hook part at the curvature part has a notch part, in which the downward extending amount is reduced compared to the other part of the lower rail hook part.

Abstract: A seat slide apparatus for a vehicle includes: a lower rail that is fixed on a vehicle floor and extends in a front-rear direction of the vehicle; and an upper rail that is fixed to a seat and is movably supported on the lower rail in the front-rear direction of the vehicle, wherein the lower rail has a lower rail hook part extending in a width direction of the vehicle, wherein the upper rail has: a pair of rolling members arranged in the front-rear direction of the upper rail; and a shoe, which has a sliding contact part that slidingly contacts a lower surface of the lower rail hook part, wherein the lower rail has a curvature part that is convex downwards as viewed from the width direction, and wherein the shoe is arranged at an outer side of the pair of rolling members in the front-rear direction.

Abstract: A seat slide apparatus for a vehicle includes a lower rail, an upper rail, a lock member, a stopper portion, a lever member that rotates in a release direction in association with a forward folding of a seatback, and a memory link being released from the lever member in a state where the lever member rotates in the release direction and rotating to an engageable position at which the memory link is engageable with the stopper portion, the memory link being configured to pass through the stopper portion in a case where the upper rail moves to a front side of the seat, the memory link engaging with the stopper portion to restrict the upper rail from moving to a rear side of the seat in a case where the upper rail moves to the rear side of the seat after the memory link passes through the stopper portion.

Abstract: A seat track system for use in a vehicle seat assembly having a seat base frame. The seat track system includes a lower track assembly having a first lower track and a second lower track and an upper track assembly having a first upper track slidably disposed within the first lower track and a second upper track slidably disposed within the second lower track. The first upper track has a portion extending upwards that forms a first side member of the seat base frame and the second upper track has a portion extending upwards that forms a second side member of the seat base frame. The first upper track and the first side member are formed integrally to form a one-piece unitary member and the second upper track and the second side member are formed integrally to form a one-piece unitary member.

Abstract: A seat track assembly includes first and second tracks. The second track includes a detent. A roller engages the first and second tracks for facilitating movement of the first track relative to the second track. Movement of the first track relative to the second track at a predetermined position causes the roller to engage with the detent such that the detent resists rotation of the roller, thereby temporarily retaining the first track relative to the second track at the predetermined position.

Abstract: A slide apparatus for a vehicle includes first and second rails and a rolling element circulation unit including first and second cases and a plurality of rolling elements accommodated within a receiving portion that includes first and second annular receiving portions accommodating the rolling elements annularly arranged in a rolling and circulating manner. The second case includes elongated bores connected to the first and second annular receiving portions in a state where the second case is mounted at the second rail. A portion of the rolling elements is exposed from the elongated bores while being inhibited from disengaging from the elongated bores. The rolling elements exposed from the elongated bores make contact with an operating surface of the first rail and inner surfaces of the first and second annular receiving portions, and roll and circulate in association with a relative movement between the first and second rails.

Abstract: A longitudinally adjustable vehicle seat, having at least one pair of seat rails (10), has a first seat rail (12) fixed to the structure, a second seat rail (13) guided in the first seat rail (12) and connected to the vehicle seat (1). Balls (14) are arranged in ball holders (15), which are arranged between the first seat rail (12) and the second seat rail (13) in order to reduce friction. The first seat rail (12) forms a ball track along which the balls (14) roll with a first end stop and a second end stop, which limit the mobility of the pair of seat rails (10). At least one elevation (12?) is provided, which projects into the ball track. The elevation (12?) can be overcome by at least one ball (14) and the ball holder (15).

Abstract: A lower rail or an upper rail has a first wall provided at a position on a first one of opposite sides in a widthwise direction thereof, and a second wall provided at a position on the other, second, side in the widthwise direction and disposed opposed to the first wall. At least one of the first wall and the second wall has an opening. At least one of an outer portion of the holding member in the widthwise direction and an outer portion of the nut member in the widthwise direction is inserted in the opening and disposed opposed to an inner side-surface of the opening facing in a frontward-rearward direction.

Abstract: A seat slide apparatus for a vehicle includes: a lower rail freely fixed to a vehicle floor and having a pair of first vertical wall portions, a bottom wall portion, and a pair of first flanges; an upper rail fixed to a seat having a seat cushion and a seatback, and having a pair of second vertical wall portions, a lid wall portion, and a pair of second flanges; a locking member connected to the upper rail; a memory piece placed on the bottom wall portion, engages with the upper rail due to an upward urging force by a memory piece urging member; a memory link connected to the upper rail; a lever member connected to an upper portion of the upper rail; and a stopper member fixed to the inside of the upper rail.

Abstract: The invention relates to a seat track having a retainer arranged in a space extending in the fore-and-aft direction and the vertical direction between a lower rail and an upper rail and a lower ball and an upper ball rotatably supported on an upper portion and a lower portion of the retainer and configured to come into contact with both the lower rail and the upper rail, and is intended to provide a seat track in which vibrations in the vertical direction generated in the upper rail are reduced. There are provided a plurality of the lower balls and a plurality of the upper balls which are supported by the retainer, and a center-to-center distance between the plurality of lower balls lying next to each other is set to be different from a center-to-center distance between the plurality of upper balls lying next to each other.