Abstract: A rail assembly for a longitudinal adjuster of a vehicle seat may have at least one first rail, a second rail which is movably arranged relative to the first rail, and a cover device for covering a rail opening of the first rail. The cover device may be arranged on a rail end of the first rail and may have at least one cartridge and a cover element which is received in the cartridge and which can be rolled up. A first cover element end which is guided or can be guided out of the cartridge is connected to or can be connected to the second rail. Additional rail assemblies which have at least one first rail, a second rail that is movably arranged relative to the first rail, and a cover device for covering a rail opening of the first rail may be used.

Abstract: A gear unit may have a housing and a gearwheel arranged in the housing. To mount the gearwheel in the housing, a bearing arrangement is provided and designed such that the gearwheel is supported spring-elastically axially, and is mounted movably, in relation to the housing. The gear unit may also be used in a geared motor and with a longitudinal adjuster for a vehicle seat having the geared motor.

Abstract: A longitudinal adjuster for a vehicle seat may have a first rail and a second rail. The rails may form an internal channel and the first rail may be displaceable relative to the second rail in the longitudinal direction. A spindle nut may be connected to the second rail and a spindle which cooperates with an internal thread of the spindle nut and may have an external thread may be arranged in the internal channel. A spindle gear mechanism, which can be driven by a motor and which cooperates with the spindle, may be arranged on an end of the first rail. A damping element may be provided and arranged such that the spindle and the spindle nut are held in a pretensioned manner relative to one another in the axial direction and/or in the radial direction. A vehicle seat may have the longitudinal adjuster.

Abstract: A sliding block for a pair of rails of a longitudinal adjusting mechanism may have a base which has a lower sliding surface and an upper sliding surface. At least the upper sliding surface, along its longitudinal extent, may have alternating contact regions and/or parts of the upper sliding surface having one contact region each. Two pairs of the rails may be used with a vehicle seat.

Abstract: A longitudinal adjuster may have one pair of rails and a drive device for the pair of rails. The pair of rails has a first rail and a second rail, on which the first rail is guided displaceably. The drive device has a geared motor with an output shaft, a motor, a gear unit, a spindle, and a coupling arrangement for coupling the spindle and the output shaft. The spindle is mounted rotatably about a spindle axis. The coupling arrangement may have a flexible coupling which is connected in a form-fitting and/or force-fitting manner on the one hand to a spindle end and on the other hand to a shaft end of the output shaft and is designed to damp vibrations and/or to compensate for an offset between the spindle end and the shaft end. A vehicle seat may have the longitudinal adjuster.

Abstract: An apparatus for operating a longitudinal seat adjustment device of a vehicle seat may have one drive unit for the adjustment device, a control unit for controlling the at least one drive unit, a main power supply unit for providing a main supply voltage during normal operation and a rechargeable, emergency power supply unit which is configured to provide during emergency operation an emergency supply voltage for the control unit and the drive unit. A vehicle having such an apparatus for operating the adjustment device is also provided.

Abstract: An end cap for a rail of a longitudinal adjuster has a covering portion, for covering an end-face end of the rail, and a fastening portion, for fastening the end cap to the rail. The fastening portion may be connected to the covering portion forming a four-bar-linkage coupling mechanism. The longitudinal adjuster for a vehicle seat may have at least one pair of rails which is formed from the first rail and the second rail, which is guided displaceably in the longitudinal direction relative to the first rail. At least the first rail or the second rail has at least one opening for the fastening of the end cap for an end of the respective rail. The longitudinal adjuster may have an end cap fastened in the opening.

Abstract: A seat rail pair for a vehicle seat is disclosed. The seat rail pair may have a lower rail and an upper rail. The upper rail may be moved relative to the lower rail via mutually engaged profiles. The lower rail may have a substantially C-shaped profile and the upper rail may have a substantially U-shaped profile. Roller members may be arranged between the upper rail and the lower rail to facilitate relative movement.

Abstract: A vehicle seat longitudinal adjuster (106) includes a seat track pair (1) with a lower seat track (2) and an upper seat track (4) that mutually engage one another for guided relative and longitudinal direction (x) movement. The lower seat track (2) has a substantially C-shaped profile (20, 22) with sections (24) that are bent downward at the ends. The upper seat track (4) has a substantially U-shaped profile (40, 42) with end sections (44) that are bent upward; the relative displaceability of the two seat tracks (2, 4) with respect to one another is limited by means of an interaction of an end stop (30) disposed on the lower seat track (2) with a stop element (48) disposed on the upper seat track (4), and wherein the end stop (30) is designed in the form of an extension of part of the downward bent sections (24) and the lower seat track (2) comprises a slotted hole (32) in the region of the end stop (30).

Abstract: A longitudinal adjuster for a vehicle seat may have at least one seat rail pair, which is formed from a lower seat rail and an upper seat rail, which is guided for sliding in the longitudinal direction relative to the lower seat rail. The two seat rails of the seat rail pair may engage around one another. The lower seat rail or the upper seat rail may have at least one opening. The at least one opening may have an opening cross-section, the two upper corner regions of which each have a curvature portion may have a radius which continuously changes of the course of the curvature portion. A vehicle seat with the adjuster is described.

Abstract: A longitudinal adjuster for a vehicle seat may have at least one seat rail pair, which is formed from a lower seat rail and an upper seat rail, which is guided for sliding in the longitudinal direction relative to the lower seat rail. The two seat rails of the seat rail pair may engage around one another. The lower seat rail or the upper seat rail may have at least one opening. The at least one opening may have an opening cross-section, the two upper corner regions of which each have a curvature portion may have a radius which continuously changes of the course of the curvature portion. A vehicle seat with the adjuster is described.

Abstract: A bearing cage (6), for a seat rail pair (2) of a vehicle seat (1), has two interconnected cage elements (6.1, 6.2) which are axially symmetrical and accommodate a number of rolling bodies (5). A connecting element (6.3) is arranged between the cage elements (6.1, 6.2) at longitudinal sides of said cage elements, which face toward one another. The connecting element runs parallel to an axis of symmetry (S) and is of mechanically flexible. The connecting element (6.3) is in the form of a spring. The cage elements (6.1, 6.2) form spring limbs which are pivotable about the axis of symmetry (S). A seat rail pair (2) for a vehicle seat (1), in particular a motor vehicle seat, is also provided and includes at least one such bearing cage (6). A vehicle seat (1) is also provided that includes at least one such seat rail pair (2).

Abstract: A vehicle seat longitudinal adjuster (106) includes a seat track pair (1) with a lower seat track (2) and an upper seat track (4) that mutually engage one another for guided relative and longitudinal direction (x) movement. The lower seat track (2) has a substantially C-shaped profile (20, 22) with sections (24) that are bent downward at the ends. The upper seat track (4) has a substantially U-shaped profile (40, 42) with end sections (44) that are bent upward; the relative displaceability of the two seat tracks (2, 4) with respect to one another is limited by means of an interaction of an end stop (30) disposed on the lower seat track (2) with a stop element (48) disposed on the upper seat track (4), and wherein the end stop (30) is designed in the form of an extension of part of the downward bent sections (24) and the lower seat track (2) comprises a slotted hole (32) in the region of the end stop (30).

Abstract: A seat rail pair (1) for a vehicle seat, in particular for a motor vehicle seat, includes a lower rail (2) and an upper rail (4). The upper rail (4) is guided displaceably in the longitudinal direction relative to the lower rail (2). Profiles of the rails are mutually in engagement. The lower rail (2) has a substantially C-shaped profile (20, 22) with portions (24) bent downwards at the ends. The upper rail (4) has a substantially U-shaped profile (40, 42) with end portions (44) bent upwards. Rolling bodies (8a, 8b) are arranged in two lower rolling-body raceways (10a) and two upper rolling-body raceways (10b) between the lower rail (2) and the upper rail (4). A part of the end portions (44) making contact with the rolling bodies (8a) arranged in the lower rolling-body raceways (10a) has a flat supporting surface (46).

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 bearing cage (6), for a seat rail pair (2) of a vehicle seat (1), has two interconnected cage elements (6.1, 6.2) which are axially symmetrical and accommodate a number of rolling bodies (5). A connecting element (6.3) is arranged between the cage elements (6.1, 6.2) at longitudinal sides of said cage elements, which face toward one another. The connecting element runs parallel to an axis of symmetry (S) and is of mechanically flexible. The connecting element (6.3) is in the form of a spring. The cage elements (6.1, 6.2) form spring limbs which are pivotable about the axis of symmetry (S). A seat rail pair (2) for a vehicle seat (1), in particular a motor vehicle seat, is also provided and includes at least one such bearing cage (6). A vehicle seat (1) is also provided that includes at least one such seat rail pair (2).

Abstract: A longitudinal adjuster (10), for a vehicle seat (1), includes a lower rail (12) and an upper rail (14) which is displaceably guided in a longitudinal direction (x). A bearing element (16) is arranged between the lower rail (12) and the upper rail (14) and is in contact with the lower rail (12) and the upper rail (14). The bearing element (16) has a locking device (20). A displacement of the bearing element (16) relative to the lower rail (12) beyond a predefined action region is prevented during a displacement of the upper rail (14) relative to the lower rail (12) if the locking device (20) interacts with an opening (28) which is arranged in the lower rail (12). This includes a spring section (24) of the locking device (20) pivoting into the opening (28). A vehicle seat (1) is provided having a longitudinal adjuster (10) of this type.

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 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 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).