WO2015091364A1

WO2015091364A1 - Vehicle seat unit

Info

Publication number: WO2015091364A1
Application number: PCT/EP2014/077766
Authority: WO
Inventors: Andreas Diehl; Thomas Gundall
Original assignee: Johnson Controls Components Gmbh & Co. Kg
Priority date: 2013-12-20
Filing date: 2014-12-15
Publication date: 2015-06-25
Also published as: DE102014203791B4

Abstract

The invention relates to a vehicle seat unit (100), in particular for a utility vehicle, comprising a vehicle seat (1) having a scissor-type frame (3) for height adjustment and an instrument holder (101). The instrument holder (101) has a holder scissor-type frame (103) for height adjustment. The scissor-type frame (3) comprises at least one seat element (7, 8a, 8b, 9, 17, 18, 19, 20), which carries out a movement when the height of the scissor-type frame (3) is changed, and the holder scissor-type frame (103) comprises at least one holder element (107, 108a, 108b, 109, 117, 118, 119, 120), which carries out a movement when the height of the holder scissor-type frame (103) is changed. At least one coupling element (50) is also provided, which transmits a movement of the seat element (7, 8a, 8b, 9, 17, 18, 19, 20) to the holder element (107, 108a, 108b, 109, 117, 118, 119, 120).

Description

VEHICLE SEAT UNIT

The invention relates to a vehicle seat unit, in particular for a commercial vehicle, having the features of the preamble of claim 1.

State of the art

From DE 10 2006 059 088 B4 a vehicle seat with a seat part is known, which is height adjustable by means of a scissors rack.

The scissors frame comprises a subframe, a top frame arranged above the same and a pair of crossed rockers on each side. The wings of the scissors frame are connected in pairs by means of several cross tubes. In the rear area of the vehicle seat are the

Swing by means of the transverse tubes on the subframe and on the

Upper frame pivotally mounted.

In the front region of the vehicle seat bearing devices are provided, by means of which the wings are guided in the upper frame and in the lower frame in the longitudinal direction movable. The storage devices each have two rotatable rollers, which cooperate with guides in the upper frame and in the lower frame. In commercial vehicles in the offroad, for example, tractors Harverstern or harvesters, instrument carriers are available, which serve to accommodate instruments and control units for implements, especially cranes or booms. A unit which has a vehicle seat and a

Instrument carrier is referred to as vehicle seat unit.

Such a vehicle seat unit, which in a cab of a

Commercial vehicle is arranged, is known from DE 28 49 272 A1. The

Vehicle seat unit is rotatable about an axis extending in the vertical direction relative to the cab.

At a height change of the vehicle seat, the height of the seat part changes relative to a vehicle floor of the commercial vehicle and relative to the

Instrument panel. When driving on uneven ground the springs

Vehicle seat and oscillates relatively strong in the vertical direction. The vehicle seat makes relatively large relative movements in relation to the

Instrument panel. This makes the usability and readability of

Instruments of the instrument carrier for a driver sitting on the vehicle seat reduced. To observe or operate the instrument carrier, it may be necessary for the driver to reduce or even stop the speed.

By use, vehicle seat units are also known in which the instrument carrier is fixed to the seat part or to the upper frame of the vehicle

Vehicle seat is attached. As a result, the vehicle seat does not change its position relative to the instrument carrier even with a height change. Of the

Instrument carrier, which may have a relatively high weight, however, additionally burdened the scissors frame of the vehicle seat. Since the

Instrument carrier is usually attached laterally to the seat part or on the upper frame of the vehicle seat, this burden is also one-sided, or asymmetrically, on the scissor rack. Furthermore, from DE 21 65 626 A an operating arrangement for vehicles is known whose controls together with a seat on a common

Support plate are arranged, wherein the controls and the seat are movable together relative to a base plate.

task

The invention is based on the object to improve a vehicle seat unit of the type mentioned above, in particular to improve the operability and readability of the instruments of the instrument panel for a seated on the vehicle seat driver with swinging vehicle seat.

Solution This object is achieved by a vehicle seat unit with the features mentioned in claim 1. Advantageous embodiments, which can be used individually or in combination with each other, are

Subject of the dependent claims. A generic vehicle seat unit, in particular for a commercial vehicle, comprises a vehicle seat with a scissor frame for height adjustment and an instrument carrier.

According to the invention, the instrument carrier also has a

Carrier scissors rack for height adjustment.

Thus, the instrument carrier in a change in the seat height of the

Vehicle seat perform a corresponding change in height, so that the position of a arranged on the instrument carrier carrier bracket relative to a person sitting on the vehicle seat driver does not change. At a

Height adjustment of the vehicle seat can, as well as occurring Vibrations in the vertical direction, the instrument carrier thus follow the vehicle seat in the vertical direction.

The scissor frame of the vehicle seat includes seating elements which perform a certain movement in a change in the height of the scissors-type frame. Such seat elements are in particular an upper frame, rockers, a cross tube which defines a scissors axis about which pivot the rockers relative to each other, holding tubes, by means of which the rockers are pivotally mounted on the upper frame or a subframe, as well as

Bearing tubes, by means of which the wings are movably guided in a bearing device in the upper frame or the lower frame.

The carrier scissors rack of the instrument carrier comprises support elements, which also perform a certain movement with a change in the height of the carrier scissors rack. Such carrier elements are in particular a carrier upper frame, carrier wings, a transverse carrier tube, which a

Carrier scissor shaft defined by which the carrier rockers pivot relative to each other, support tube tubes, by means of which the carrier rockers are pivotally mounted on the carrier upper frame or a carrier subframe, and carrier bearing tubes, by means of which the carrier rocker in a

Carrier bearing device are movably guided in the carrier upper frame or the carrier subframe.

At least one coupling element is advantageously provided which transmits a movement of the seat element to the carrier element. Thus, a change in the height of the vehicle seat also causes a change in the height of the instrument panel.

The wings, the carrier wings, the cross tube, the carrier cross tube, the holding tubes, the support tube, the bearing tubes and the support bearing tubes are pivotally mounted about a respective pivot axis and perform at a change in height pivotal movement about this pivot axis. Advantageously, at least one coupling element is provided, which is a

Seat element, which performs a pivoting movement with a change in the height of the scissors-type frame, rotatably connected to a support member which performs a pivoting movement with a change in the height of the support frame scissors, connects.

Preferably, the pivotally mounted seat element pivots when a change in the height of the scissors-type frame about a pivot axis which is aligned with a pivot axis about which the pivotally mounted

Carrier element pivots at a change in the height of the carrier scissors frame. This allows the coupling element relatively simple, for example, be designed as a pipe and there is no transmission for the transmission

Swivel movement required.

Particularly preferably, the pivotally mounted seat element executes exclusively a pivoting movement with a change in the height of the scissors-type frame, and the pivotally mounted carrier element exclusively executes a pivoting movement when the height of the carrier-type scissors frame is changed. Such seat elements are in particular the holding tube, which in the

Subframe is pivotally mounted, and the wings, which are pivotally mounted by means of this holding tube to the subframe. Such

Carrier elements are in particular the carrier holder tube, which in the

Carrier frame is pivotally mounted, and the carrier wings, which are pivotally mounted by means of this support bracket to the support subframe. Thereby, the coupling element may be designed such that it carries out a pure pivoting movement itself during a transmission of the pivoting movement. When the pivotally mounted seat member is a holding tube, which pivots about a change in the height of the scissors-type frame about its central axis, and the pivotally mounted carrier element is a carrier holder tube, which at a Changing the height of the carrier scissors frame pivots about its central axis, the coupling element can be particularly space-saving attached to the holding tube and the support holder tube. The upper frame and the upper carrier frame perform in a vertical change from a purely translational movement in the vertical direction. The

Coupling element can shear-resistant connect the upper frame with the upper carrier frame and so transmit a translational movement of the upper frame on the upper carrier frame.

Furthermore, the coupling element, for example, the cross tube and the

Carrier transverse tube, which combined with a change in altitude ever one

Execute pivotal movement and translational movement, or a bearing tube and a support bearing tube, which also perform a combined pivotal movement and translational movement at a height change, rotatably and shear-resistant interconnect.

According to an advantageous development of the scissors-type frame is displaceable by means of two pairs of rails in a longitudinal direction, and the carrier scissors frame is also displaceable in the longitudinal direction by means of two pairs of rails. When the coupling element connects a seat element of the scissors-type frame in a shear-resistant manner with a carrier element of the carrier scissors frame, a translatory movement of the scissors frame in the longitudinal direction also becomes on the

Transfer carrier frame.

According to an advantageous embodiment of the invention, the

Carrier scissors on a carrier spring to compensate for the gravity of a carrier console of the instrument carrier. According to a further advantageous embodiment of the invention, the

Carrier scissors rack a support damper for damping vibrations of the carrier scissors rack in the vertical direction. Figures and embodiments of the invention

In the following the invention is explained in more detail with reference to advantageous embodiments shown in the drawings. However, the invention is not limited to these embodiments. Show it:

Fig. 1: a schematic representation of a vehicle seat without

Instrument panel,

Fig. 2: a perspective view of the vehicle seat of FIG. 1 without

Seat part,

3 is a perspective view of a vehicle seat unit,

4 is another perspective view of the vehicle seat unit,

5 shows another perspective view of the vehicle seat unit, FIG. 6 shows a rear view of the vehicle seat unit,

7 shows a section through the vehicle seat unit along the line A - A in

Fig. 6 in the lower position and Fig. 8: a section through the vehicle seat unit taken along the line A - A in

Fig. 6 in the upper position.

A vehicle seat unit 100 for a commercial vehicle includes a vehicle seat 1 and an instrument panel 101.

The vehicle seat 1 has a scissors-type frame 3, which has a lower frame 5, an upper frame 7 arranged above it, and a pair on both sides crossed first swing 8a and second swing 8b includes. A cross tube 9 connects the two crossing points and at the same time defines one

Scissor axis about which the rockers 8a and 8b relative to each other

can swing.

The arrangement of the vehicle seat 1 within the utility vehicle and its usual direction of travel define those used below

Directional information. In this case, a direction oriented perpendicular to the ground is hereinafter referred to as vertical direction and a direction perpendicular to the vertical direction and perpendicular to the direction of travel is hereinafter referred to as

Transverse direction.

The first rockers 8a are connected to each other at their rear ends by means of a lower holding tube 17 and pivotally mounted on the subframe 5. At their front ends, the first rocker 8a are connected by means of an upper bearing tube 20 and guided on both sides by means of a respective bearing device 21 in the upper frame 7 in the longitudinal direction, which approximately corresponds to the direction of travel, movable. The second rockers 8 b are connected to each other at their rear ends by means of an upper holding tube 18 and pivotally mounted on the upper frame 7. At their front ends, the second rocker 8b are connected by means of a lower bearing tube 19 and guided on both sides in the longitudinal direction by means of a respective bearing device 21 in the sub-frame 5.

The cross tube 9, the bearing tubes 19, 20 and the holding tubes 17, 18 extend in the present case in the transverse direction, as well as the scissors axis. By a

Pivoting movement of the first rocker 8a relative to the second rocker 8b about the scissors axis changes the height of the upper frame 7 above the scissors axis

Subframe 5, hereinafter referred to briefly as the height of the scissor frame 3. By means of a gas spring 12 and preferably one not shown here Damper, the scissor frame 3 is an oscillatory system that significantly increases the comfort.

The vehicle seat 1 further comprises a seat cushion 6, which on a

Seat frame is arranged. The seat frame is articulated on both sides on the one hand in its rear region on the upper frame 7 and on the other hand in its front region by means of a tilt adjuster raised and lowered and thus adjustable in its inclination relative to the scissors frame 3. The vehicle seat 1 also has a backrest 10, which on the

Seat frame present tilt adjustment is appropriate. Alternatively, the

Backrest 10 also attachable to the upper frame 7. The backrest 10 is covered with a cover 28. In a vertically upper portion of the backrest 10, a headrest 40 is provided.

The backrest 10 and the seat cushion 6 form a seat part 2. With a change in the height of the scissor frame 3, the height of the seat part 2 also changes relative to a vehicle floor of the utility vehicle. The seat part 2 is, together with the scissor frame 3, by means of two

Rail pairs displaced, bringing the vehicle seat 1 translational in

Longitudinal direction, which corresponds approximately to the direction of travel, is adjustable. The two pairs of rails are offset from each other in the transverse direction and arranged parallel to each other. The two pairs of rails are essentially identical.

Each pair of rails comprises a first seat rail 45, which also as

Upper rail is designated, and a second seat rail 46, which is also referred to as a bottom rail. The second seat rail 46 is presently firmly connected to the structure of the vehicle and the first seat rail 45 is fixedly connected to the lower frame 5 of the vehicle seat 1. Alternatively, it is conceivable that the second seat rail 46 by means of an adapter with the structure of the vehicle connect. Furthermore, it is conceivable to connect the first seat rail 45 by means of an adapter to the lower frame 5 of the vehicle seat 1.

The first seat rail 45 is guided relative to the second seat rail 46 movable in this. By means of a locking device, the first seat rail 45 with the second seat rail 46 can be locked. An unlocking unit, which comprises an unlocking bracket 44, is used to unlock the

Locking device. The unlocking bracket 44 is arranged in a direction of travel, or in the longitudinal direction, the front region of the vehicle seat 1 and pivotally mounted about a presently extending in the transverse direction pivot axis. By pulling on the Entriegelungsbügel 44 in the vertical upward direction it is pivoted about the pivot axis, whereby the locking device is unlocked.

The unlocking lever 44 and the pivot axis are kinematically associated with the sub-frame 5 and the first seat rail 45. This means, when a displacement of the seat part 2 in the longitudinal direction moves the

Release lever 44 accordingly with, but not with a change in the height of the scissor frame 3, ie during a movement of the seat part 2 in

Vertical direction.

The vehicle seat 1 and the instrument carrier 101 are arranged side by side in the transverse direction. On the side facing away from the instrument carrier 101 side of the vehicle seat 1, an armrest 14 is attached.

The instrument carrier 101 has a carrier scissors frame 103, which has a carrier subframe 105, one above the same

Carrier upper frame 107 and on both sides each a pair of crossed first

Carrier rocker 108a and second carrier rocker 108b. One

Carrier transverse tube 109 connects the two crossing points and defines at the same time a carrier scissors axis about which the carrier wings 108a and 108b can pivot relative to one another.

The first support wings 108 a are connected to each other at their rear ends by means of a lower support holding tube 1 17 and on the

Carrier frame 105 pivotally mounted. At their front ends, the first support wings 108a are connected by means of an upper support bearing tube 120 and movably guided on both sides by means of a respective support bearing device 121 in the support upper frame 107 in the longitudinal direction, which corresponds approximately to the direction of travel.

The second support wings 108b are connected to each other at their rear ends by means of an upper support holding tube 1 18 and on the

Support upper frame 107 pivotally mounted. At their front ends, the second carrier rocker 108b are connected by means of a lower support bearing tube 1 19 and guided on both sides in the longitudinal direction by means of a respective support bearing device 121 in the support subframe 105.

The carrier cross-tube 109, the support bearing tubes 1 19, 120 and the support holder tubes 1 17, 1 18 extend in the present case in the transverse direction, as well as the

Carrier scissors axis. By a pivoting movement of the first carrier rocker 108a relative to the second carrier rocker 108b about the carrier scissor axis, the height of the carrier upper frame 107 changes over the carrier subframe 105, hereinafter referred to as the height of the carrier scissors rack 103.

The instrument carrier 101 comprises a carrier console 1 10, on which an operating unit 1 16 for implements and an armrest 1 14 are arranged. The support bracket 1 10 is fixedly connected to the carrier upper frame 107. The support bracket 1 10, together with the carrier scissor frame 103, displaceable by means of two pairs of rails, whereby the instrument carrier 101 translationally in the longitudinal direction, which corresponds approximately to the direction of travel, is adjustable. The two pairs of rails are offset from each other in the transverse direction and arranged parallel to each other. The two pairs of rails are essentially identical. Each pair of rails comprises a first carrier rail 145, which is also referred to as a carrier top rail, and a second carrier rail 146, which is also referred to as a carrier bottom rail. The second carrier rail 146 is presently firmly connected to the structure of the vehicle and the first

Support rail 145 is fixed to the support subframe 105 of

Instrument carrier 101 connected. Alternatively, it is conceivable, the second

Carrier rail 146 to be connected by means of an adapter with the structure of the vehicle. Furthermore, it is conceivable to connect the first carrier rail 145 by means of an adapter to the carrier subframe 105 of the instrument carrier 101.

The first carrier rail 145 is guided relative to the second carrier rail 146 movable in this. By means of a locking device, the first carrier rail 145 can be locked to the second carrier rail 146. An unlocking unit, not shown, which is connected to the unlocking bracket 44 of the vehicle seat 1, is used to unlock the

Locking device. When unlocking the locking device of the vehicle seat 1, the locking device of the instrument carrier 101 is also unlocked. The instrument carrier 101 also has a support spring 1 12 and a

Carrier damper 1 13 on. The carrier spring 1 12 acts on the

Carrier frame 103 in the vertical upward direction and largely compensates for the gravity of the support bracket 1 10. The support damper 1 13 damps vibrations of the support frame 103 in the vertical direction.

The lower holding tube 17 of the scissors frame 3 of the vehicle seat 1 projects transversely on the side facing the instrument carrier 101 from the side Subframe 5 out. The lower support holder ear 1 17 of the

Carrier frame 103 of the instrument carrier 101 protrudes in the transverse direction on the vehicle seat 1 side facing out of the carrier subframe 105 out.

A coupling element 50 connects the lower holding tube 17 of the scissors frame 3 of the vehicle seat 1 with the lower carrier holding tube 1 17 of the

Carrier rack 103 of the instrument carrier 101. The center axes of the lower holding tube 17 and the lower carrier holder tube 17 1 are aligned with each other.

The coupling element 50 is in this case a hollow cylinder, for example as a tube, executed, whose inner diameter corresponds to the outer diameter of the lower holding tube 17 and the lower carrier holding tube 1 17. The central axes of the lower holding tube 17, the coupling element 50 and the lower

Trägerhalterohrs 1 17 are in the present case with each other. Others too

Embodiments of the coupling element 50 are conceivable.

The coupling element 50 establishes a rotationally fixed connection between the lower holding tube 17 and the lower carrier holding tube 17. At a

Pivoting movement of the lower holding tube 17 about its central axis thus simultaneously takes place a pivoting movement of the lower carrier holding tube 17 about its central axis. In a change in the height of the scissors-type frame 3 of the vehicle seat 1, the first rocker 8a and the lower holding tube 17 pivot

Scissors frame 3 about the central axis of the lower holding tube 17. Das

Coupling element 50 transmits this pivotal movement to the lower

Carrier holder ear 17 and the first carrier rocker 108a of the

Carrier scissors rack 103. Thus, the first carrier rocker 108a and the lower carrier holder tube 1 17 pivot about the central axis of the lower carrier support tube 1 17. This also changes the height of the carrier scissors frame 103 of the instrument support 101.

The support bracket 1 10 of the instrument support 101 thus follows each movement of the seat part 2 of the vehicle seat 1 in the vertical direction. This applies to

Height adjustments of the vehicle seat 1 as well as for vibrations due to suggestions by uneven ground.

The first rockers 8a of the scissors-type frame 3 and the first carrier wings 108a of the carrier rack 103 are designed such that the distance of the pivot axis of the lower holding tube 17 to the pivot axis of the

Cross tube 9 is equal to the distance of the pivot axis of the lower carrier support tube 1 17 to the pivot axis of the carrier cross tube 109, and that the distance of the pivot axis of the upper bearing tube 20 to the pivot axis of the cross tube 9 equal to the distance of the pivot axis of the upper support tube 120 to the pivot axis of the carrier cross tube Is 109, and that the distance of

Pivot axis of the lower holding tube 17 to the pivot axis of the upper bearing tube 20 equal to the distance of the pivot axis of the lower

Carrier holder ear 1 17 to the pivot axis of the upper support bearing tube 120 is.

The second wings 8b of the scissors-type frame 3 and the second ones

Carrier wings 108b of the carrier scissors frame 103 are designed such that the distance of the pivot axis of the upper holding tube 18 to the

Pivot axis of the cross tube 9 is equal to the distance of the pivot axis of the upper support bracket 1 18 to the pivot axis of the Trägerquerrohrs 109, and that the distance of the pivot axis of the lower bearing tube 19 to the pivot axis of the cross tube 9 equal to the distance of the pivot axis of the lower support bearing tube 1 19 to the Pivot axis of the carrier cross-tube 109, and that the distance of the pivot axis of the upper support tube 18 to the pivot axis of the lower bearing tube 19 equal to the distance of the pivot axis of the upper support holder tube 1 18 to the pivot axis of the lower

Support bearing tube 1 19 is. The corresponding seat elements 7, 8a, 8b, 9, 17, 18, 19, 20 of the

Scissors frame 3 and support members 107, 108a, 108b, 109, 1 17, 1 18, 1 19, 120 of the carrier scissors frame 103 therefore always perform at a change in height of the vehicle seat 1 and the instrument support 101 similar movements.

The scissors-type frame 3 of the vehicle seat 1 and the carrier scissors-type frame 103 of the instrument carrier 101 are arranged next to each other offset in the transverse direction in such a way that at each height adjustment of the vehicle seat 1 and the

Instrument panel 101, the pivot axes of the lower support tube 17 and the lower support bracket ear 1 17 aligned with each other and the pivot axes of the upper support tube 18 and the upper support bracket ear 1 18 aligned with each other and the pivot axes of the lower bearing tube 19 and the lower

Carrier bearing tube 1 19 aligned with each other and the pivot axes of the upper bearing tube 20 and the upper support bearing tube 120 are aligned with each other and the pivot axes of the cross tube 9 and the lower carrier cross-tube 109th

aligned with each other. The coupling element 50 also establishes a shear-resistant connection between the lower holding tube 17 and the lower carrier holding tube 17. At a

Movement of the lower holding tube 17 in the longitudinal direction is thus simultaneously a movement of the lower carrier holding tube 1 17 in the longitudinal direction. When changing the longitudinal position of the first seat rail 45 of the

Vehicle seat 1, the lower frame 5 and the lower holding tube 17 move in the longitudinal direction. The coupling member 50 transmits this movement to the lower support holder tube 17 and the support subframe 105. Thus, the lower support support tube 17 and the support subframe 105 also move longitudinally. This also changes the longitudinal position of the first

Support rail 145 of the instrument support 101. The support bracket 1 10 of the instrument support 101 thus follows each movement of the seat part 2 of the vehicle seat 1 in the longitudinal direction.

The features disclosed in the foregoing description, the claims and the drawings may be of importance both individually and in combination for the realization of the invention in its various forms.

LIST OF REFERENCE NUMBERS

vehicle seat

seat part

scissors-type frame

subframe

seat cushions

top frame

a first swingarm

b second swingarm

transverse pipe

0 backrest

2 gas spring

4 armrest

7 lower holding tube

8 upper holding tube

9 lower bearing tube

0 upper bearing tube

1 storage device

8 reference

0 headrest

4 release lever

5 first seat rail

6 second seat rail

0 coupling element

00 vehicle seat unit

01 Instrument carrier

03 Carrier frame

05 support subframe

07 upper carrier frame a first Trägerschwingeb second carrier rocker

Support cross tube

support bracket

support spring

carrier damper

armrest

Operating unit lower support bracket upper support bracket ear lower support bearing tube upper support bearing tube

Carrier storage device first carrier rail second carrier rail

Claims

claims

Vehicle seat unit (100), in particular for a commercial vehicle, comprising a vehicle seat (1) with a scissor frame (3) for height adjustment and an instrument carrier (101) with a carrier scissors frame (103) for height adjustment, characterized in that the scissor frame (3) at least one Seat element (7, 8a, 8b, 9, 17, 18, 19, 20), which performs a movement in a change in the height of the scissor frame (3), and that the carrier scissor frame (103) at least one

Carrier element (107, 108 a, 108 b, 109, 1 17, 1 18, 1 19, 120), which in a change in the height of the carrier frame scissors (103) a

Movement carries out, and that at least one coupling element (50) is provided, which movement of the seat member (7, 8a, 8b, 9, 17, 18, 19, 20) on the carrier element (107, 108a, 108b, 109, 1 17 , 1 18, 1 19, 120) transmits.

Vehicle seat unit (100) according to one of the preceding claims, characterized in that the scissors-type frame (3) comprises at least one pivotally mounted seat element (8a, 8b, 9, 17, 18, 19, 20) which, when the height of the scissors-type frame ( 3) performs a pivoting movement, and that the carrier scissor frame (103) at least one

pivotally mounted support member (108a, 108b, 109, 1 17, 1 18, 1 19, 120), which performs a pivoting movement with a change in the height of the carrier scissors frame (103), and that at least one

Coupling element (50) is provided, which rotatably connects the seat member (8a, 8b, 9, 17, 18, 19, 20) with the carrier element (108a, 108b, 109, 1 17, 1 18, 1 19, 120). Vehicle seat unit (100) according to claim 2, characterized in that the pivotally mounted seat member (8a, 8b, 9, 17, 18, 19, 20) pivots upon a change in the height of the scissors-type frame (3) about a pivot axis, which with a pivot axis is aligned, about which the pivotally mounted carrier element (108a, 108b, 109, 1 17, 1 18, 1 19, 120) pivots upon a change in the height of the carrier scissors frame (103).

Vehicle seat unit (100) according to any one of claims 2 to 3, characterized in that the pivotally mounted seat member (8a, 17) executes exclusively a pivoting movement with a change in the height of the scissors-type frame (3).

Vehicle seat unit (100) according to one of claims 2 to 4, characterized in that the pivotally mounted carrier element (108a, 1 17) executes exclusively a pivoting movement when changing the height of the carrier scissors frame (103).

Vehicle seat unit (100) according to one of claims 2 to 5, characterized in that the pivotally mounted seat member is a holding tube (17) which pivots about a change in the height of the scissors-type frame (3) about its central axis.

Vehicle seat unit (100) according to one of claims 2 to 6, characterized in that the pivotally mounted carrier element is a carrier holder tube (1 17), which in a change in the height of

Carrier scissors frame (103) pivots about its central axis,

Vehicle seat unit (100) according to any one of the preceding claims, characterized in that the coupling element (50) the seat element (7, 8a, 8b, 9, 17, 18, 19, 20) shear-resistant with the carrier element (107, 108a, 108b, 109 , 1 17, 1 18, 1 19, 120).

9. vehicle seat unit (100) according to any one of the preceding claims, characterized in that the scissor frame (3) by means of two pairs of rails in a longitudinal direction is displaceable, and that the carrier scissor frame (103) by means of two pairs of rails in the longitudinal direction is displaceable.

10. Vehicle seat unit (100) according to any one of the preceding claims, characterized in that the carrier scissor frame (103) is a carrier spring (1 12) for compensating the force of gravity of a carrier bracket (1 10) of the

Instrument carrier (101).

1 1. Vehicle seat unit (100) according to any one of the preceding claims, characterized in that the carrier scissor frame (103) has a support damper (1 13) for damping vibrations of the carrier scissors frame (103) in the vertical direction.

12. Vehicle seat unit (100) according to any one of the preceding claims, characterized in that the transverse tube (9), the bearing tubes (19, 20) and the holding tubes (17, 18) extend as well as the scissors axis in the transverse direction.

13. vehicle seat unit (100) according to any one of the preceding claims, characterized in that the vehicle seat (1) has a backrest (10) which is mounted on the seat frame tilt adjustable. 14. Vehicle seat unit (100) according to any one of the preceding claims, characterized in that the vehicle seat (1) has a backrest (10) which is attachable to the upper frame (7).

15. Vehicle seat unit (100) according to any one of the preceding claims, characterized in that the coupling element (50) is a hollow cylinder, in particular as a tube executed.