Abstract: A seat fore-and-aft adjuster for a vehicle seat may have a lower rail and an upper rail. The adjuster may also have a drive unit, a gearbox unit having a gearbox housing, and a cover element. The upper rail may have at least one through-hole. The cover element may have at least one covering region, which is formed from two cover legs opposite to and parallel with one another. The cover element may have at least one covering sub-region arranged laterally to the covering region. The covering sub-region is defined by a covering wing protruding vertically in the longitudinal direction from one of the cover legs. The covering region is frictionally and/or interlockingly connected to the housing section, and the covering sub-region covers at least one connecting region of the bracket above that of the upper rail by the covering wing.

Abstract: An armrest device for a vehicle seat may have at least one armrest and an armrest rail arrangement, which is configured for longitudinal adjustment of the armrest out of a base position into an extended position. The armrest rail arrangement may have at least one fixed armrest rail and an armrest rail which is longitudinally adjustable relative to the fixed armrest rail, and a gear unit. The armrest rail arrangement may be arranged on the armrest relative to the longitudinal direction such that a drive interface of the gear unit is oriented downward or upward or in an intermediate position. A vehicle seat having the arm rest is also provided.

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 rail for a rail pair of a seat longitudinal adjustment device may have at least two side walls and a web connecting the side walls. At least one of the side walls may have a receiving profile for receiving and guiding a connection cable or cable bundle or cable housing along a longitudinal extension of the rail. A seat longitudinal adjustment device having the rail pair is also disclosed.

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 having at least one rail pair, formed from a first rail and a second rail. The first and second rails are displaceable relative to each other and fit around each other to form an inner channel. A spindle nut is connected to the second rail and a spindle is operatively connected to the spindle nut and are arranged in the inner channel. The spindle nut is fixed on the second rail by a first fixing element and an second fixing element. The spindle nut is centered perpendicular to a longitudinal extent of the second rail by the two fixing elements. A method for assembling the longitudinal adjuster to a vehicle seat are described.

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 adjustment mechanism for a vehicle seat may have a first rail and a second rail. The rails may engage about one another to form an inner channel. A spindle nut may be connected to the second rail and a spindle operationally connected to the spindle nut may be arranged in the inner channel. On one end of the first rail, a transmission may be driven by a motor, which may interact with the spindle. The spindle may be screwed into an internal thread of a worm gear of the transmission, and the spindle may be conjointly connected by a fixing element to the worm gear. The fixing element may be arranged coaxially to a spindle axle of the spindle and may be pressed between a front end portion of the spindle and the worm gear. A vehicle seat having the longitudinal adjustment mechanism is also provided.

Abstract: A device for longitudinally adjusting a seat may have two mutually spaced rail pairs and at least one locking element. The rail pairs are each formed by an upper rail and a lower rail which are movable in relation to one another. The at least one locking element is movably mounted on the upper rail in a spring-loaded manner and, in a locking position, blocks a movement of the upper rail in the lower rail and, in an unlocking position, releases the movement. An undesired movement of the locking element out of the locking position is at least limited or blocked by a blocking element. A seat may have the device longitudinally adjusting a seat.

Abstract: A device for fastening a longitudinal adjuster for a vehicle seat to a vehicle structure has a first rail, a floor attachment element and a connecting element. The first rail may have a first screw point in a front end region and a second screw point in a rear end region. The floor attachment element can be connected to the vehicle structure, and the connecting element is provided on a lower face of the first rail. The connecting element engages around or comes into abutment with the floor attachment element when the first rail is displaced in a longitudinal direction so that the first rail is prevented from lifting off in the vertical direction. A vehicle having a device of this type for fastening the longitudinal adjuster to the vehicle structure of the vehicle is provided.

Abstract: A method for producing an activation lever for a longitudinal adjuster involves providing a tubular blank, pressing an end portion of the blank from a first direction and pressing the end portion of the blank from a second direction perpendicular to the first direction, whereby only forming of the external contour of the blank takes place. An activation lever for activating a locking unit for securing a first seat rail relative to a second seat rail where the activation lever, in an end portion interacts with a spring element and/or a locking element of the longitudinal adjuster, has a deformed surface which is closed perpendicularly to the longitudinal extent of the activation lever. A longitudinal adjuster for a vehicle seat has the activation lever.

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: A longitudinal adjuster for a vehicle seat may have at least one pair of rails which is formed from a first rail and a second rail. A spindle nut may be connected to the second rail and a spindle operatively connected to the spindle nut are located in the inner channel. A spindle gear, which can be driven a motor and interacts with the spindle, may be located at one end of the first rail. The spindle nut may be fixed to the second rail so that the spindle nut has a degree of freedom of at least one. The spindle nut may be fixedly connected to the second rail by a fixing device. A projection may be provided between a base body of the spindle nut and the second rail. The invention also relates to a vehicle seat with the longitudinal adjuster.

Abstract: A longitudinal adjuster for a motor vehicle seat may have a first rail, a second rail, a spindle, and a gear. The gear may be fastened to the second rail by a substantially U-shaped gear holder, and the gear holder may have at least two limbs arranged opposite one another in the longitudinal direction. The gear holder may have at least one recess in a base connecting the two limbs, and a gear housing surrounding the gear projects at least in sections into the at least one recess. A motor vehicle seat may have the longitudinal adjuster for adjusting a seat longitudinal position.

Abstract: A longitudinal adjuster having at least one rail pair, formed from a first rail and a second rail. The first and second rails are displaceable relative to each other and fit around each other to form an inner channel. A spindle nut is connected to the second rail and a spindle is operatively connected to the spindle nut and are arranged in the inner channel. The spindle nut is fixed on the second rail by a first fixing element and an second fixing element. The spindle nut is centered perpendicular to a longitudinal extent of the second rail by the two fixing elements. A method for assembling the longitudinal adjuster to a vehicle seat are described.

Abstract: A seat longitudinal adjustment mechanism may have two pairs of seat rails which are each formed from a lower seat rail and an upper seat rail, which is movable in a longitudinal direction relative to the lower seat rail. An electric motor may be provided for driving the seat longitudinal adjustment mechanism. The electric motor may be arranged between the two pairs of seat rails. The electric motor may have a single output which may be coupled to one of the two movable upper seat rails. Further, a seat arrangement having a plurality of seats where a seat may have a seat longitudinal adjustment mechanism is provided.

Abstract: A longitudinal adjuster for a vehicle seat may have a rail assembly having two rail pairs of seat rails. The respective rail pair has a fixed seat rail and a seat rail that is movable relative to the fixed seat rail. The rail assembly may also have a motor unit and a gearbox unit, which couples the motor unit and the movable seat rail. The rail assembly may also comprise a holder for receiving a gearbox housing of the gearbox unit. The holder is arranged with the gearbox unit in a hollow space formed by the one rail pair and is fixed to the movable seat rail. The holder is formed so as to be open at one end and closed at the opposite end. The holder has at least one stiffening element at the open end.

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: A seat fore-and-aft adjuster for a vehicle seat may have a lower rail and an upper rail. The adjuster may also have a drive unit, a gearbox unit having a gearbox housing, and a cover element. The upper rail may have at least one through-hole. The cover element may have at least one covering region, which is formed from two cover legs opposite to and parallel with one another. The cover element may have at least one covering sub-region arranged laterally to the covering region. The covering sub-region is defined by a covering wing protruding vertically in the longitudinal direction from one of the cover legs. The covering region is frictionally and/or interlockingly connected to the housing section, and the covering sub-region covers at least one connecting region of the bracket above that of the upper rail by the covering wing.