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

Abstract: A longitudinal adjustment device for a motor vehicle seat has two pairs of rails. It includes a locking device for each pair of rails. It has a common actuating unit for the two locking devices, the unit interacting with both locking devices and includes a handle. The actuating unit has an electric drive motor, a gearbox which is connected to the electric drive motor, an actuator and preferably a setting unit.

Abstract: A holding device for an adjustment drive of a motor vehicle seat, having at least one connection flange formed from plastic material for fastening the holding device to the vehicle seat. A fastening clip having at least one holding clip, which can be adjusted between a locking position and an assembly position in an elastic manner, is formed on the connection flange on one side and a locking element is removably formed in a rest position on the other side. The locking element can be manually relocated through an opening in the connection flange from the rest position to a locked position in which the locking element blocks an elastic relocation of the holding clip into the assembly position.

Abstract: An attachment element for mounting a vehicle seat on a vehicle structure includes a sleeve, at one end of which a lever element is arranged, and an element which can be a hollow cylinder and which has at least two wing-like extensions lying opposite one another, and which at least partially surrounds the sleeve. Also, a method is described for mounting a vehicle seat on a vehicle structure by using at least one fastening element.

Abstract: An adjusting drive, in particular for a steering column adjuster or a vehicle seat of a motor vehicle, and a method for producing an adjusting drive, are provided in which an axial play of the output shaft is reliably and permanently compensated. The compensating element for ensuring the axial-play-free arrangement of the output shaft is connected, in its operating position, to the housing by ultrasound welding.

Abstract: A method for producing a locking device of a longitudinal adjustment mechanism of a vehicle seat, includes producing a locking device having a plurality of round locking pins which can be latched into position independently of one another and can be unlatched together, at least one guide part and a notched strip, wherein the guide part is assigned to a seat rail and has guide bores for the locking pins. The notched strip is assigned to a floor rail. The locking pins have an upper actuating end and a lower engagement region interacting with the notched strip. The locking pins are lubricated during the production step or subsequently thereto. During and/or after the lubrication step, each individual locking pin is rotationally driven by a rotary drive unit.

Abstract: The seat frame has a left and a right link, a left and a right side part and a transverse tube which connects the two side parts. The links are connected to the transverse tube for conjoint rotation. The transverse tube has a main tube located between the side parts, a left end piece assigned to the left side part and a right end piece assigned to the right side part. The main tube is connected to the two end pieces in respective overlapping regions. The main tube is manufactured from a material, preferably from steel, which has an at least 20% higher tensile strength than the material of the end pieces.

Abstract: An adjusting device for a hinge mount of a motor vehicle seat has a housing part, a drive unit, a gear unit which is mounted downstream of the drive unit, is driven by the drive unit, has at least one self-locking gear and drives an output shaft, an element which can be adjusted about an axis of the hinge mount, is rotationally connected to the output shaft and can be adjusted in an angle range ?360°, preferably ?90° about the axis of the hinge mount, and at least one stop mechanism which delimits the swivel range of the arm in at least one swivel direction. The stop mechanism is mounted between a) the self-locking gear and the drive unit, b) the self-locking gear and the housing part and/or c) the drive unit and the housing part.

Abstract: A seat underframe for motor vehicle seats, with two pairs of rails arranged at a distance from each other and each having a seat rail and a floor rail, a seat carrier, in each case two pivoting arms which are connected at one end in an articulated manner to the seat carrier and at the other end in an articulated manner to the seat rails and fix the maximum distance between the seat carrier and the seat rails, and a drive unit adjusting the seat carrier between a lower starting position and an end position. The drive unit for adjusting the seat carrier is formed beyond a height end position which is fixed during normal operation.

Abstract: A holding device for an adjustment drive of a motor vehicle seat has at least one channel for receiving a drive shaft which is mounted rotatably in a shaft casing and is connectable at one end to a drive unit and at the other end to an adjustment device. In order to provide such a holding device that permits a reliable arrangement of the shaft casing, in particular in a manner secure against rotation, provision is made for the channel to be formed for positioning the shaft casing in a manner partially offset in relation to the longitudinal axis of the channel.

Abstract: In the method for producing a spindle drive of an adjustment device of a motor vehicle seat, the adjustment device comprises a spindle and a nut unit. The nut unit comprises a nut made from plastic and a retainer in which the nut is retained. The nut has an internal thread which is in engagement with the spindle and has recesses in its outer jacket. The method comprises the following steps: the tube section is pushed over the nut during assembly, the nut is located within the tube section, the tube section, in the areas in which the recesses of the nut are located, is deformed into the area of the recesses and a portion of material of the tube section is located in the recesses.

Abstract: A floor lock for a motor vehicle seat for detachably connecting the motor vehicle seat to the vehicle floor, has a locking pawl adjustable between a locked position and an unlocked position and a control pawl, which fixes the position of the locking pawl, is in operative connection with the locking pawl and is adjustable relative to the latter between a closed position and an open position. The locked position of the locking pawl is secured by a securing pawl arranged in a secured position, the securing pawl being in operative connection with the locking pawl and being adjustable by the latter between the secured position and a release position.

Abstract: A seat rail for a motor vehicle seat includes a lower rail, which can be connected to a motor vehicle, and a spindle, which is arranged on the lower rail in a rotationally fixed manner by a spindle retainer. The spindle retainer is fastened to the lower rail by a fastening element extending through a fastening opening on the spindle retainer and a fastening opening on the lower rail. In order to provide a seat rail having a lower rail on which rotation of the spindle retainer is largely precluded, in particular in the event of a threaded floor connection extending through the spindle retainer, the fastening openings and/or the fastening element has a cross-section deviating from a circular shape, preferably a polygonal cross-section, in a connection section arranged in the region of the fastening openings.

Abstract: A seat fitting for a motor vehicle seat, with a fitting lower part which is connectable to a seat lower part, a fitting upper part which is connectable to a seat back, an eccentric epicyclic gearing which connects the fitting upper part and fitting lower part in an articulated manner and is intended for adjusting the inclination of the fitting upper part in relation to the fitting lower part, and an actuating mechanism for coupling the seat fitting to a seat longitudinal guide. The fitting upper part has a pivoting body. The actuating mechanism is formed by an unlocking lever. The pivoting body substantially completely shifts the unlocking lever into the unlocking position irrespective of the inclination to which the fitting upper part is set.

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

Abstract: A self-locking step-by-step mechanism for an adjustment device of a vehicle seat has a clamping roller lock and a step-by-step device. The clamping roller lock a rotatable release wheel and a toothing. The step-by-step device has a) a pivotably mounted actuating lever, b) a driver pivotably mounted on the actuating lever and which has two driver regions which interact with the toothing of the release wheel, c) a drag lever which has supporting surfaces which enter into contact with the driver, and d) a spring. The spring has at least one projection. The drag lever has at least one indentation which is normally in engagement with the projection. The spring is fixed against rotating.

Abstract: An under-frame apparatus for a motor vehicle seat may include a basic body, a seat frame adjustable with respect to the basic body between an utmost rear and front positions, a pair of front and rear vibration levers joint-connected to the basic body and the seat frame, respectively, an adjustment arm joint-connected one of the front and rear vibration levers and including a saw teeth engagement part on a free end region thereof, an adjustment device rotatably coupled to the seat frame and engaged to the free end region to adjust a position of the seat frame with respect to the basic body, wherein the adjustment device includes a pinion gear engaged to the adjustment arm and driven by an operation unit, and an elastic member attached to the seat frame and applying a restoring force to the seat frame toward a starting position.

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: A clamping roller freewheel for an adjusting device in a motor vehicle includes a cylindrical outer surface, at least one roller pair, an output shaft, a clamping element which is rotationally connected to the output shaft and which has at least one clamping slope on an opposite side of the roller pair to the cylindrical outer surface, and a spacer device which is at least partially between the rollers and has elastic properties. This spacer device includes a spacer piece and a spring. When the spacer piece is in the normal position, an oblique surface bears against a roller. The spring presses the spacer piece into the normal position in which it exerts a force on at least one roller. When passing from the normal position to the retracted position, the oblique surface is moved away from the roller.

Abstract: An actuator for an electric adjusting device of a vehicle seat has several adjusting functions. The actuator includes a frame, an electric drive motor disposed on the frame, having an output shaft and a pinion gear disposed on the output shaft, and rotating between a first position and a second position, a first toothed wheel disposed on the frame and engaging with a pinion gear at a first position of the drive motor, a second toothed wheel disposed on the frame and engaging with the pinion gear at a second position of the drive motor, and an adjusting unit disposed on the frame and selectively moving an electric or mechanical actuating part and a motor to the first position or the second position.