Abstract: A wobble joint fitting for an adjustment device of a motor vehicle seat comprises a first fitting part, a toothed eccentric gear that has an eccentric hole and a collar, and an eccentric comprising a rotatable drive part, a control part and wedge segments, the control part comprising control surfaces that come to abut against the wedge surfaces. The fitting further comprises a second fitting part that is adjustable with respect to the first fitting part. A latching part is provided which has at least one latching tooth, biased only in an actuation position of the latching part into engagement with a latching recess, and having an actuating flank. The control part comprises an actuating portion which abuts against the actuating flank and, during a rotary movement of the control part, presses the latching tooth into abutment against the collar, and biases it into engagement into a latching recess.

Abstract: A seat base frame has pairs of tracks, each having an upper rail longitudinally displaceably guided relative to a lower rail and lockable by means of a locking device on the lower rail. A seat structure is connected to the upper rails, and a transverse support extends substantially perpendicular to the upper rails and is connected thereto. The transverse support is fixed in the axial direction thereof relative to the upper rails and rotatably connected thereto, wherein an actuating lever and a control lever are disposed rotationally fixed relative to each other and spaced apart from each other on the transverse support such that each can be engaged by a locking device for adjusting the locking device between a locked position fixing the upper rail relative to the lower rail and a release position releasing the upper rail relative to the lower rail.

Abstract: A longitudinal adjustment device for a motor vehicle seat, with a floor rail which can be connected to a motor vehicle floor, a seat rail which can be connected to the motor vehicle seat and is mounted in a longitudinally displaceable manner on the floor rail, and a connecting element having a connecting section for connection of a functional component to the seat rail. The connecting element is connected by a first section to a side wall of the seat rail and by a second section to an upper side of the seat rail. The connecting element has an opening for receiving the functional component and/or a bearing element for the arrangement of the functional component. The opening is arranged in the region of a recess running in the region of a bending line between the side wall and the upper side.

Abstract: An adjusting device, in particular a height or longitudinal adjusting device for motor vehicle seats, including a threaded spindle that is rotatably mounted in a gearbox housing at one end and in a receiving unit at the other end, the receiving unit having an inner thread that is adapted to the spindle thread. The adjusting device also includes a motor unit that is operatively connected to the threaded spindle. An adjusting device and a seat base frame for motor vehicle seats with an adjusting device that transmits forces that occur in the event of a crash to the required degree are provided. A reinforcing element is provided in the gearbox housing such that said element is suitable for receiving forces that act in the longitudinal axial direction of the threaded spindle in the event of a crash.

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: 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 wobble joint fitting for an adjustment device of a motor vehicle seat, in particular for a seat back hinge fitting, comprises (a) a first fitting part comprising an internal ring gear, (b) a toothed eccentric gear that engages the internal ring gear and that has an eccentric hole, (c) an eccentric to which a rotatable drive part is associated and which comprises wedge segments, (d) a second fitting part that is adjustable with respect to the first fitting part, and (e) a wrap spring. The wrap spring is a flat open spring ring and extends over an angle of less than 360°. The eccentric gear comprises a collar for the spring ring to fit against.

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: 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: A vehicle seat has a memory unit for easy entry access. The unit includes a memory strip with teeth arranged one behind the other at a periodic interval in the longitudinal direction of the rails, a slider movably guided in the longitudinal direction of the rails on a guide element that is connected to the seat rail and a carriage with a housing which is guided on the memory strip in the longitudinal direction of the rails and in which a catch element is pivotably mounted. The periodic interval of the memory strip is equal to the difference between the periodic interval of the catch opening and the periodic interval of the locking teeth. The memory strip and carriage components are situated in a channel-shaped cavity defined by the rails.

Abstract: A rail guide that has at least one rail pair consisting of a floor rail (22) and a seat rail (24). The seat rail (24) has means (30) for fastening a seat frame to be arranged above the rail pair. The rails can be moved relative to each other in a longitudinal direction along a movement path (20). The floor rail (22) and the seat rail (24) are curved by the same circular radius of curvature (42) that ranges between 1,500 and 3,000 mm, in particular between 1,800 and 2,500 mm. The center point of curvature (44) is on the side of the rail pair facing away from the seat frame. The rail guide is a longitudinal adjustment device having a stationary spindle (52) and an associated spindle nut (54) that is longitudinally movable thereon, the spindle (52) being curved at the same circular radius of curvature (42). Also disclosed is a suitable method for producing said curved rails by means of at least one stamping mold (68) or by means of bending strips (96).

Abstract: The invention relates to a base body of a headrest of a vehicle seat having a base, particularly for receiving headrest carriers for arranging the headrest at a vehicle seat, and a support body having a support surface for a head. In order to provide a base body for a headrest and a headrest, which in the case of a crash reduces the risk of cervical spine injuries, it is provided that the support body is connected to the base such that the support surface is elastically adjustable relative to the base.

Abstract: A motor vehicle seat fitting includes a fitting top part with a ring gear (21) having internal toothing, a fitting bottom part with a gear wheel (4), having external toothing and which is in engagement with the ring gear, an eccentric arranged rotatably in a bore (7) of the bottom part running axially to the gear wheel, for rolling adjustment of the gear wheel relative to the hollow gear, and a drive shaft, which drives the eccentric and extends axially to the ring gear. A cam receptacle (17) is arranged on one of the gear wheel or the ring gear (21) and a stop cam (16), that engages in the cam receptacle, is arranged on the other of the gear wheel or ring gear, in a ring portion between the external toothing and the bore and on the ring gear in a zone which may overlap the ring portion.

Abstract: A clamping-roller freewheel for an adjustment device in a motor vehicle includes a housing, a cylindrical lateral surface that defines an axis, at least one roller, an output shaft that is central to the axis, and a clamping contour which is located on the side of the roller opposite from the cylindrical lateral surface and rotationally connected to the output shaft. The clamping contour is a double clamping contour. The roller is allocated to the double clamping contour. The double clamping contour has a left and a right clamping area. A clamping action arises due to the cooperation of the roller with the left or right clamping area, depending on the direction of rotation, and the cylindrical lateral surface.

Abstract: The side part of a vehicle seat, meaning either a seat side part or a side part of a seat back, comprises a layered structure. It has at least two layers. A first layer is a sheet steel part determining the shape of the side part. A second layer is a reinforcement body that has a material thickness in the y direction that is greater than the material thickness of the sheet steel part.

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: An adjustment mechanism, particularly for the longitudinal adjustment of a seat of a motor vehicle, with a transmission housing (30) fastened at a first part (10), which is displaceable in reference to a second part (12), with a transmission being arranged inside the transmission housing (30). A spindle (40) projects from the transmission housing (30). The spindle (40) is coupled via a nut element (50) to a second part (12). The transmission housing (30) is made from plastic, with at least one repeatedly angled metal insert (60, 70) being embedded in the plastic. At least one wall (60b) of the metal insert (60, 70) is aligned orthogonal in reference to the axis (A) of the spindle and at least partially encompasses the spindle (40) on the side of the transmission housing (60) allocated to the nut element (30).

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 longitudinal adjustment device for a motor vehicle seat, with a floor rail which can be connected to a motor vehicle floor, a seat rail which can be connected to the motor vehicle seat and is mounted in a longitudinally displaceable manner on the floor rail, and a connecting element having a connecting section for connection of a functional component to the seat rail. The connecting element is connected by a first section to a side wall of the scat rail and by a second section to an upper side of the seat rail. The connecting element has an opening for receiving the functional component and/or a bearing element for the arrangement of the functional component wherein the opening is arranged in the region of a recess running in the region of a bending line between the side wall and the upper side.

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.