Trim cover, rail with trim cover, and vehicle seat

Abstract

The invention relates to a trim cover (120) for a rail element (116) of a longitudinal adjustment device (110), comprising at least one carrier (120.1), in which the carrier (120.1) is in the form of a plastic profile, into which a plurality of clamps (120.2) are integrated, which are spaced apart from one another along the longitudinal extent of the plastic profile and each in the form of a rotating wedge (120.2. 2). The invention also relates to a rail element (116) and to a vehicle.

Description

TECHNICAL FIELD

[0001] The invention relates to a cover for a rail, to a rail having such a cover, and to a vehicle seat having a longitudinal adjustment device with a rail having a cover. BACKGROUND

[0002] DE 102 016 224 588 A1 discloses a longitudinal adjuster having a rail assembly comprising a lower rail and an upper rail movably connected to the lower rail. A cover, for example a rubber cover, a brush cover or the like, is connected to the outer contour of the lower rail and is arranged such that it covers at least a portion of the inner contour. SUMMARY

[0003] Problem

[0004] The invention solves the problem of providing an improved cover of the type mentioned at the outset, in particular an easy-to-assemble and firmly fixed cover for a rail, a rail having such an improved cover, and a corresponding vehicle seat.

[0005] Solution

[0006] The first problem is solved according to the invention by the features specified in claim 1. The second problem is solved according to the invention by the features specified in claim 10. The third problem is solved according to the invention by the features specified in claim 13.

[0007] According to the invention, the first problem is solved by a cover for a rail element, also referred to as a rail, wherein the cover, also referred to as a rail cover, comprises at least one carrier in the form of a plastic profile, a plurality of clamps being integrated into the plastic profile, which clamps are spaced apart from one another along the longitudinal extent of the carrier. Each clamp is in the form of a rotary wedge.

[0008] Since the carrier is in the form of a plastic profile, the cover can be manufactured in simple tools, in particular in a plastic mold with less material usage and lower contour tolerances, and at the same time with integrated locking elements in the form of clamps.

[0009] The clamps can be lateral clamps. In this case, the plastic profile can be fastened laterally to the rail element or rail via the clamp fastening. The carrier in the form of a plastic profile, which is also referred to as a plastic carrier, can thus be fastened to only one flank of the rail element, for example the lower rail, in each case. Depending on the length of the rail element, a plurality of these carriers can also be fastened to the rail element continuously and on both sides.

[0010] As a result, a conventional trim cover, which is guided around the track element, under the track element, for example a lower track, from one side to the other, can be dispensed with. Such a trim cover requires more installation space, high assembly effort and is susceptible to tolerances.

[0011] Each clamp can have at least one undercut, in particular in the form of a rotational wedge.

[0012] Each clamp can be pivotable about a pivot point. The pivot point can be arranged by a movable, in particular articulated, wedge portion of the rotational wedge.

[0013] Each clamp can be preloaded in a direction oriented perpendicular to the longitudinal extent. Each clamp can be formed in an elastically and / or reversibly flexible manner.

[0014] Each clamp can be preloaded in a direction oriented perpendicular to the longitudinal extent due to the elasticity of the plastic of the carrier. The clamps can thus be held pressed apart in the direction of the track element, respectively. The plastic profile can be arranged without play or can be arranged on the track element. An automatic locking of the clamps, and thus of the carriers on the track element, can also be ensured.

[0015] Each clamp can be pivotable about a rotational axis oriented along the longitudinal extent.

[0016] Each clamp can have at least one locking contour. Each locking contour can be in the form of a wedge surface at the free arm end of each clamp.

[0017] The plastic profile can have a plurality of cutouts, which are spaced apart from one another along the longitudinal extent. Each cutout can be assigned a clamp. In particular, each rotational wedge can be formed by cutting or stamping out a surface in the plastic profile.

[0018] Each clamp can be arranged on one side of the cutout in a protruding manner. Each clamp can be connected to the cutout on this side and form a pivot point. As a result, a one-piece plastic carrier with integrated clamps can be easily formed.

[0019] The plastic profile can have a plurality of recesses for a latch plate of a longitudinal adjustment device, in particular for receiving a pawl, and / or for a trim strip fastener of a trim strip. The clamps and the recesses can be arranged alternately along the longitudinal extent of the plastic profile.

[0020] The plastic profile can have at least one undercut. The undercut can be arranged at a distance from the clamps. The undercut can be oriented substantially parallel to the clamps. The undercut can be intended to hold the plastic profile on the track element, for example against forces that can act in the direction of the lateral extent of the track element.

[0021] The undercut can be properly formed at the free leg end of the plastic profile, particularly by bending.

[0022] The plastic profile may have a first leg portion and a vertically projecting second leg portion connected to the first leg portion. An undercut may be formed at the free leg end of the first leg portion. Multiple clamps may be integrated or formed in the second leg portion.

[0023] The plastic profile can be substantially J-shaped. Alternatively, the plastic profile can be substantially L-shaped.

[0024] The plastic profile may have a second leg portion that is longer than the first leg portion. The shape of the plastic profile corresponds to the conventional side wing shape of the lower rail. This lower rail may have, for example, a rail bottom with two rail legs projecting vertically upwards, wherein each rail leg may bend inwards at its free leg end. Each rail leg is also referred to as a side wing.

[0025] The plastic profile can have a shape corresponding to the corresponding track leg. Due to the undercut and lateral clamps, the plastic profile can be largely fastened to the track element through form fit.

[0026] The plastic profile may have a first leg portion extending continuously along a longitudinal range. Multiple second leg portions may protrude from the first leg portion. The leg portions may be arranged in a manner spaced apart from each other along the longitudinal range. Each leg portion may have at least one or more clamps. Alternatively, the plastic profile may have second leg portions formed continuously along a longitudinal range.

[0027] The plastic profile may have a continuous undercut extending along the longitudinal direction of the plastic profile. The undercut may have an interruption.

[0028] According to the invention, the second problem is solved by the track element (also called the track), particularly by the lower track of the longitudinal adjustment unit (also called the longitudinal adjustment device), wherein the track includes the aforementioned cover and has a plurality of through holes along the longitudinal range, the through holes being formed in a manner corresponding to the clamp.

[0029] The track element (particularly the lower track) may include at least one track bottom and two track legs projecting vertically therefrom. At least one cover may be arranged, particularly fastened to, at least one of the track legs.

[0030] For example, each clamp can engage in a self-locking operation in the associated through opening by means of a rotating wedge. Specifically, each clamp has already engaged or can engage in a self-locking operation in the associated through opening by means of a rotating wedge, such that pulling (especially traction) on the free end of the cover does not cause the self-locking operation to reverse. For example, the cover can be arranged on a track such that the cover can pivot about a predetermined pivot point of the rotating wedge.

[0031] The track legs may have free leg ends, wherein, in the installed state, the undercut of the cover engages around or behind the free leg ends. This prevents the cover (especially in the form of a plastic profile) from moving laterally away from the track element. The carrier can be held on the track element with minimal play. The carrier can withstand forces in all directions during vehicle operation.

[0032] Furthermore, the cover may include a cover strip capable of being releasably fastened to a carrier. The cover strip may be a visually facing strip. For example, the lower rail may be disposed below the floor surface of the vehicle. The cover strip can cover floor openings in the vehicle floor. The cover strip can be fastened to the carrier via connecting elements. The cover strip may have connecting elements that latch in place in recesses within the carrier. In one improvement, the cover strip may be provided to cover rail openings between the rail legs of the lower rail.

[0033] The third problem is solved according to the invention by a vehicle seat including a longitudinal adjustment unit comprising the aforementioned track with a cover.

[0034] Advantageous embodiments that can be used alone or in combination with each other will be described below. Attached Figure Description

[0035] The invention will now be explained in more detail with reference to the advantageous exemplary embodiments shown in the accompanying drawings. However, the invention is not limited to these exemplary embodiments. In the drawings:

[0036] Figure 1 A schematic diagram of a vehicle seat with longitudinal adjustment is shown.

[0037] Figure 2 A perspective view of the track with decorative covers on both sides is shown.

[0038] Figure 3 A perspective view of a track with a decorative cover on one side is shown.

[0039] Figure 4 This image shows a magnified detail of the track perspective view in the coupling area between the track and the cover.

[0040] Figure 5 : Showing the coupling area between the track and the cover Figure 4 Cross-sectional view,

[0041] Figure 6 The image shows a front view of the track with the decorative covers on both sides, and

[0042] Figure 7 : This shows the coupling area between the track and the two covers. Figure 6 Cross-sectional view.

[0043] In all the accompanying drawings, corresponding parts are given the same reference numerals. Detailed Implementation

[0044] The following text will use three spatial directions that extend perpendicularly to each other to describe this. Figure 1 The diagram schematically illustrates a prior art vehicle seat 100. When the vehicle seat 100 is installed in a vehicle, the longitudinal direction x extends largely horizontally and preferably parallel to the vehicle's longitudinal direction, which corresponds to the vehicle's usual direction of travel. The lateral direction y, extending perpendicular to the longitudinal direction x, is also horizontally oriented in the vehicle and extends parallel to the vehicle's lateral direction. The vertical direction z extends perpendicular to the longitudinal direction x and perpendicular to the lateral direction y. When the vehicle seat 100 is installed in a vehicle, the vertical direction z preferably extends parallel to the vehicle's vertical axis.

[0045] The position and orientation indicators used (e.g., front, rear, top, and bottom) relate to the viewing direction of an occupant seated in the vehicle seat 100 in a normal seating position, wherein the vehicle seat 100 is installed in the vehicle in a position suitable for transporting a person with an upright backrest 104, and is oriented as usual in the direction of travel. However, the vehicle seat 100 may also be installed or moved in a different orientation, such as laterally to the direction of travel. Unless otherwise stated, the vehicle seat 100 is mounted mirror-symmetrically with respect to a plane extending perpendicular to the lateral direction y.

[0046] The backrest 104 can be pivotally arranged on the seating portion 102 of the vehicle seat 100. For this purpose, the vehicle seat 100 can optionally include accessories 106, particularly setting accessories, rotating accessories, latching accessories, or swashplate accessories.

[0047] The position and orientation indications used (e.g., radial, axial, and circumferential directions) are related to the axis of rotation 108 of the fitting 106. Radial means perpendicular to the axis of rotation 108. Axial means in the direction of or parallel to the axis of rotation 108.

[0048] The vehicle seat 100 may optionally include a longitudinal adjustment device 110 (also referred to as a longitudinal adjustment unit). The longitudinal adjustment device 110 includes, for example, a track arrangement structure 112 having a first track element 114 and a second track element 116. The first track element 114 is adjustable relative to the second track element 116 in the longitudinal direction x. The first track element 114 is secured to the seating portion 102. The second track element 116 is secured to a structural element of the vehicle, such as the vehicle floor.

[0049] For clarity, the first track element 114 is referred to as the upper track 114 in the following description. The upper track 114 (also referred to as the running track or slide rail) is assigned to and designed to support the vehicle seat 100. The second track element 116 is referred to as the lower track 116 hereinafter. The lower track 116 is fixedly connected to, for example, the vehicle floor or some other suitable vehicle structure.

[0050] The track arrangement structure 112 may have at least one cover 120.

[0051] Figure 2 A perspective view of the lower track 116 with a cover 120 on both sides is shown.

[0052] The lower rail 116 is in the form of a profile component, particularly a metal profile component. The lower rail 116 can be formed as, for example, a U-shaped profile component having a rail bottom 116.1, with two rail legs 116.2 extending vertically upward from the rail bottom. The free leg ends 116.3 can additionally be bent inward into a U-shape.

[0053] The lower track 116 may include a cover 120 (also called a track cover) on each track leg 116.2.

[0054] Each cover 120 includes at least one carrier 120.1, which is in the form of a plastic profile.

[0055] Multiple clamps 120.2 are integrated into each carrier 120.1 along the longitudinal range of the carrier (in the longitudinal direction x), which is only... Figure 2 The front / right carrier at position 120.1 is clearly visible.

[0056] The clamps 120.2 have been introduced into the associated carrier 120.1 in a manner that is spaced apart from each other along the longitudinal range.

[0057] Since each carrier 120.1 is in the form of a plastic profile, the cover 120 can be manufactured with simple tools, especially in plastic molds with less material usage and lower profile tolerances.

[0058] In order to attach and secure each carrier 120.1, the lower track 116 includes a plurality of through openings 116.4 along its longitudinal range, the through openings being formed in a manner corresponding to the clamp 120.2.

[0059] The clamps 120.2 can be integrated into the carrier 120.1 at uniform intervals. The lower track 116 has at least a plurality of through openings 116.4, corresponding to the number or more of the clamps 120.2.

[0060] Each carrier 120.1 is in the form of an L-shaped or J-shaped profile. A clamp 120.2 is integrated into the second leg portion 120.3 of the corresponding carrier 120.1, which contacts the associated track leg 116.2 in the installed state.

[0061] The clamp 120.2 protrudes from the carrier 120.1 in the direction of the track leg 116.2 and engages in the associated through opening 116.4. The clamp 120.2 may be in the form of, for example, a resilient tab or a tongue.

[0062] The fixture 120.2 can be integrated into the carrier 120.1 as a stamping tongue or the like.

[0063] In addition, the leg portion 120.3 may include a recess 120.4. The recess 120.4 may be in the form of a channel 120.4.1 and / or a cutout 120.4.2, particularly in the form of a latching recess.

[0064] In this configuration, as seen in the longitudinal direction x, the clamp 120.2 and the recess 120.4 can be alternately integrated into the leg portion 120.3. For example, the clamp 120.2 and the recess 120.4 can be integrated into the second leg portion 120.3 at a uniform distance from each other.

[0065] The plastic profile includes a first leg portion 120.6 and a second leg portion 120.3 connected to the first leg portion 120.6 and projecting vertically downward. An undercut 120.2.1 is formed at the free leg end 120.6.1 of the first leg portion 120.6. A plurality of clamps 120.2 are integrated into the second leg portion 120.3.

[0066] In other words, the plastic profile is essentially J-shaped and includes multiple clamps 120.2 on one side and at least one undercut 120.2.1 on the opposite side.

[0067] The undercut portions 120 and 2.1 of the plastic profile are engaged around or behind the free leg ends 116.3 in the installed state.

[0068] Figure 3A perspective view of a track in the form of a lower track 116 (with a cover 120 on one side) is shown. The front / right-hand cover 120 is omitted to show the through opening 116.4 in the track leg 116.2 more clearly.

[0069] Figure 4 The perspective view of the track in the form of the lower track 116 shows enlarged details in the area where the lower track 116 and the cover 120 are coupled by means of the clamp 120.2 of the carrier 120.1 and the through opening 116.4 in the lower track 116.

[0070] Each clamp 120.2 has at least one undercut portion 120.2.1 and a rotating wedge 120.2.2.

[0071] For example, each clamp 120.2 can be engaged in a self-locking engagement 122 in the associated through opening 116.4 by means of a rotating wedge 120.2.2, particularly at the upper edge 116.4.1 (corresponding to the upper opening edge).

[0072] The undercut portion 120.2.1 prevents the cover 120 from rotating around the contact point 204 of the rotating wedge 120.2.2 at the upper edge 116.4.1.

[0073] In other words, in the installed state, each clamp 120.2 is in a self-locking engagement 122 in the associated through opening 116.4 by means of a rotating wedge 120.2.2, such that a predetermined pull on the free end 120.5 of the cover 120, as indicated by arrow 200, will not cause the self-locking engagement 122 to reverse. The clamp 120.2 is, for example, in the form of a spring clip or a spring arm. The rotating wedge 120.2.2 is, for example, in the form of a locking profile 120.2.3 at the end 120.2.4 of the free arm, particularly in the form of a wedge-shaped surface, or designed as, for example, a ramp.

[0074] In this configuration, during the mounting of the carrier 120.1 onto the track leg 116.2, the clamp 120.2 engages radially in the through opening 116.4 and thus in the wall of the track leg 116.2, and enters a self-locking engagement 122 at the upper edge 116.4.1, in particular by frictional engagement and / or force engagement, so that the lower track 116 and the cover 120 are fixed together so as not to slide or twist.

[0075] Specifically, the cover 120 is arranged on the lower track 116 such that the cover is pivotable about a predetermined pivot point 202 of the rotating wedge 120.2.2, and such that if an attempt is made to disengage the cover from the lower track 116, for example by pulling in the direction of arrow 200, the cover 120 is supported at at least one point, particularly along the line at support points 208.1, 208.2 as seen along its length. Figure 5 (as shown in the diagram). The at least one support point 208.1, 208.2, or line (the entire carrier 120.1 (equivalent to the plastic carrier)) can be considered as a pivot point or axis of rotation. The undercut 120.2.1 prevents such rotation about the pivot point or axis of rotation.

[0076] Each clamp 120.2 is pivotally mounted around pivot point 202. Each clamp 120.2 is preloaded in a direction 210 perpendicular to the longitudinal range orientation.

[0077] The plastic profile includes multiple notches 120.2.5. A rotating wedge 120.2.2 can be integrally formed in the plastic profile through the notches 120.2.5. The notches 120.2.5 are spaced apart from each other along a longitudinal direction. A clamp 120.2 is assigned to each notch 120.2.5. Each clamp 120.2 is arranged in a protruding manner on one side portion 120.2.6 of the notch 120.2.5. Due to the elasticity of the plastic in the connection area between each rotating wedge 120.2.2 and the side portion 120.2.6 of each notch 120.2.5, each rotating wedge 120.2.2 can be formed in a preloaded manner. Each rotating wedge 120.2.2 is pushed in the direction indicated by arrow 210.

[0078] Figure 5 It shows Figure 4 A cross-sectional view of the area where the lower track 116 and the cover 120 are coupled in the form of a clamp fastening connection and retention function.

[0079] At least one clamp 120.2 is arranged such that pulling upward in the vertical direction +z, as indicated by arrow 200, does not cause the clamp fastening connection to be released.

[0080] The clamp 120.2 includes a rotating wedge 120.2.2 forming a locking profile 120.2.3. The rotating wedge 120.2.2 is rotatable about a pivot point 202. The clamp 120.2 is positioned in the lateral direction +y by ​​die-cutting. During installation, this position of the clamp 120.2 can or may have been changed via contact at the contact point 204 with the upper edge 116.4.1 of the through opening 116.4 (particularly the self-locking engagement 122).

[0081] For example, in the case of the through opening 116.4 shifted upwards due to tolerance, the contact point 204 can be positioned further in the lateral direction +y, and in the case of the through opening 116.4 in the opposite direction, the contact point 204 can be positioned further in the lateral direction -y. In the case of tolerance-related changes in position in the vertical direction z, the contact point 204 does not change its position. However, the fixture 120.2 does change its position in the lateral direction y in the aforementioned manner.

[0082] The locking profile 120.2.3 is in the form of a rotating wedge 120.2.2, which can pivot about pivot point 202. Due to the elasticity of the plastic of the cover 120, the rotating wedge 120.2.2 always presses against the upper edge 116.4.1 (also referred to as the hole pattern) of the through opening 116.4. Therefore, the cover 120 (also referred to as the cover strip) is playless in the vertical +z direction.

[0083] If you now attempt to lift the cover 120 in the vertical direction +z as indicated by arrow 200, the clamp 120.2 will not open because the rotating wedge 120.2.2 is designed to be self-locking. The locking direction is indicated by arrow R1.

[0084] If anyone attempts to move the cover 120 laterally in the direction of the arrow as indicated by arrow 206, particularly the carrier 120.1, this is prevented relative to the contour via the undercut 120.2.1. The locking direction is indicated by arrow R2. This means that under force in the direction of the arrow as indicated by arrow 206, the carrier 120.1, in the form of a plastic carrier, abuts against the lower track 116 at the first support point 208.1 and the second support point 208.2 are formed on the opposite outer sides of the track leg 116.2.

[0085] The intended rotation around the first support point 208.1 is impossible because the second support point 208.2 cannot travel along the track profile because the clamp 120.2 prevents any movement in the vertical z direction at the contact point 204 with the upper edge 116.4.1 of the through opening 116.4.

[0086] Figure 6 A front view of a lower track 116 with covers 120 on both sides is shown. In this case, the associated covers 120 are arranged on each track leg 116.2, and as described above, the covers are secured by a plurality of clamps 120.2 on the track leg 116.2 (in... Figure 5 (As shown in the figure) It is held in a self-locking manner and fixed without clearance in the vertical z direction.

[0087] Figure 7The area where the lower track 116 and the two trim covers 120 are coupled by means of clamps 120.2 is shown. Figure 6 The cross-sectional view shows the clamp in a self-locking engagement 122 within the through opening 116.4 in the lower rail 116.

[0088] Each cover 120 may also optionally include a cover strip 124, particularly a T-shaped plastic cover strip.

[0089] The cover strip 124 can then be releasably and securely attached to the carrier 120.1 in the form of a plastic carrier via additional clamps and guides (not shown).

[0090] To cover the track opening 116.5 formed between the two track legs 116.2, a roller spring (not shown in more detail) may be provided. To guide the roller spring (particularly a leaf spring), a guide 126 is formed between the cover strip 124 and the carrier 120.1, adjacent to the track opening 116.5. The bottom side 124.1 of the cover strip forms an upper sliding surface or upper guide surface, and the top side 120.1.1 of the carrier 120.1 forms a lower sliding surface or lower guide surface for the roller spring.

[0091] List of reference numerals

[0092] 100 vehicle seats

[0093] 102 Seating Area

[0094] 104 Backrest

[0095] 106 accessories

[0096] 108 Rotation axis

[0097] 110 Longitudinal Adjustment Device

[0098] 112 Track Layout Structure

[0099] 114. Track elements, especially the first track element (upper track).

[0100] 116. Track elements, especially the second track element (lower track).

[0101] 116.1 Bottom of the track

[0102] 116.2 Track Legs

[0103] 116.3 Free leg end

[0104] 116.4 Through opening

[0105] 116.4.1 Top edge (top opening edge)

[0106] 116.5 Track opening

[0107] 120 Trim Cover

[0108] 120.1 Carrier

[0109] 120.1.1 Top Side

[0110] 120.2 Fixture

[0111] 120.2.1 Undercut

[0112] 120.2.2 Rotating wedge

[0113] 120.2.3 Lock Outline

[0114] 120.2.4 End of Free Arm

[0115] 120.2.5 Incision

[0116] 120.2.6 Side

[0117] 120.3 Second leg section

[0118] 120.4 Recess

[0119] 120.4.1 Channel

[0120] 120.4.2 Incision

[0121] 120.5 Free End

[0122] 120.6 First leg section

[0123] 120.6.1 Free leg end

[0124] 122 Self-locking operation engagement

[0125] 124 decorative cover strip

[0126] 124.1 Bottom side

[0127] 126 Guide

[0128] 200 arrows

[0129] 202 Pivot Point

[0130] 204 contact point

[0131] 206 arrows

[0132] 208.1 First support point

[0133] 208.2 Second support point

[0134] 210 Arrow (direction)

[0135] R1 and R2 arrows (lock direction)

[0136] x Vertical direction

[0137] y, +y, -y Horizontal direction

[0138] z, +z (vertical direction)

Claims

1. A trim cover (120) for a rail element (116) of a longitudinal adjustment device (110), comprising at least one carrier (120.1), wherein the carrier (120.1) is in the form of a plastic profile, a plurality of clamps (120.2) being integrated into the plastic profile, the clamps being spaced apart from one another along a longitudinal extent of the plastic profile and each being in the form of a rotational wedge (120.2.2).

2. The trim cover (120) according to claim 1, wherein each clamp (120.2) is pivotable about a pivot point (202).

3. The trim cover (120) according to claim 1 or 2, wherein each clamp (120.2) is preloaded in a direction (210) oriented perpendicular to the longitudinal extent.

4. The trim cover (120) according to any one of claims 1 to 3, wherein each clamp (120.2) has at least one locking profile (120.2.3), wherein each locking profile (120.2.3) is in the form of a wedge-shaped surface at a free arm end (120.2.4) of each clamp (120.2).

5. The trim cover (120) according to any one of claims 1 to 4, wherein the plastic profile has a plurality of cutouts (120.2.5) spaced apart from one another along the longitudinal extent.

6. The trim cover (120) according to claim 5, wherein a clamp (120.2) is assigned to each cutout (120.2.5), wherein each clamp (120.2) is arranged on one side (120.2.6) of the cutout (120.2.5) in a protruding manner.

7. The trim cover (120) according to any one of claims 1 to 6, wherein the plastic profile has a plurality of recesses (120.4) for a latch plate of the longitudinal adjustment device (110) and / or for a trim strip fastener of a trim strip (124), wherein the clamps (120.2) and the recesses (120.4) are arranged alternately along the longitudinal extent of the plastic profile.

8. The trim cover (120) according to any one of claims 1 to 7, wherein the plastic profile has at least one undercut (120.2.1) arranged at a distance from the clamps (120.2) and oriented substantially parallel to the clamps.

9. The trim cover (120) according to claim 8, wherein the plastic profile has a first leg portion (120.6) and a vertically protruding second leg portion (120.3) connected to the first leg portion (120.6), wherein the undercut (120.2.1) is formed at a free leg end (120.6.1) of the first leg portion (120.6) and the plurality of clamps (120.2) are integrated in the second leg portion (120.3).

10. A rail element (116) for a longitudinal adjustment device (110), wherein the rail element (116) comprises at least one rail base (116.1) and two rail legs (116.2) vertically protruding from the rail base, and at least one trim cover (120) according to any one of claims 1 to 9, the trim cover being arranged on one of the two rail legs (116.2).

11. The rail element (116) according to claim 10, wherein the rail leg (116.2) has a plurality of through-openings (116.4) along its longitudinal extent, the through-openings being formed in a manner corresponding to the clamps (120.2) of the trim cover (120), wherein each clamp (120.2) enters a self-locking operative engagement into the associated through-opening (116.4).

12. The rail element (116) according to claim 10 or 11, wherein the rail leg (116.2) has a free leg end (116.3), wherein the undercut (120.2.1) of the trim cover (120) engages around or behind the free leg end (116.3).

13. A vehicle having at least one vehicle seat (100) and a longitudinal adjustment device (110) for longitudinally adjusting the vehicle seat (100), wherein the longitudinal adjustment device (110) comprises at least one rail arrangement (112) having a first rail element (114) and a second rail element (116) according to any one of claims 10 to 12.

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