US-20260124967-A1 - VEHICLE SEAT WITH ADJUSTABLE CONSOLE

US20260124967A1US 20260124967 A1US20260124967 A1US 20260124967A1US-20260124967-A1

Abstract

A vehicle seat ( 1 ) includes a seat part ( 2 ) that can be moved back and forth in a longitudinal direction (X) and having a first console ( 3 a ) that can be moved back and forth in the longitudinal direction (X) as well as a vehicle seat base ( 4 ). The vehicle seat base ( 4 ) has at least one adjustment rail ( 5 ) and a first slide ( 11 ) attached thereto. The first slide ( 11 ) can be moved back and forth in the longitudinal direction (X) by the at least one adjustment rail ( 5 ). At least one spacer ( 14 ) is arranged on the first slide ( 11 ) and at least one spacer ( 14 ) firmly connecting the first slide ( 11 ) to the seat part ( 2 ) is arranged above it. The vehicle seat base ( 4 ) has a second slide ( 12 ) arranged between the seat part ( 2 ) and the first slide ( 11 ). The first console ( 3 a ) is attached to the second slide ( 12 ) and extends predominantly also to the side of the seat part ( 2 ). The second slide ( 12 ) can slide or roll back and forth on and relative to the first slide ( 11 ) in the longitudinal direction (X) and thus the console can be moved relative to the seat part ( 2 ).

Inventors

Johannes Fillep
Florian SCHANDERL

Assignees

GRAMMER AKTIENGESELLSCHAFT

Dates

Publication Date: 20260507
Application Date: 20251014
Priority Date: 20241104

Claims (12)

1 . Vehicle seat ( 1 ) comprising a seat part ( 2 ) that can be moved back and forth in a longitudinal direction (X) and comprising a first console ( 3 a ) that can be moved back and forth in the longitudinal direction (X) and a vehicle seat base ( 4 ), wherein the vehicle seat base ( 4 ) has at least one adjustment rail ( 5 ) and a first slide ( 11 ) attached thereto, wherein the first slide ( 11 ) can be moved back and forth in the longitudinal direction (X) by means of the at least one adjustment rail ( 5 ), wherein at least one spacer ( 14 ) is arranged on the first slide ( 11 ), which spacer firmly connects the first slide ( 11 ) to the seat part ( 2 ) arranged above it, wherein the vehicle seat base ( 4 ) has a second slide ( 12 ) which is arranged between the seat part ( 2 ) and the first slide ( 11 ), wherein the first console ( 3 a ) is attached to the second slide ( 12 ), which console extends predominantly also to the side of the seat part ( 2 ), and wherein the second slide ( 12 ) can slide or roll back and forth on the first slide ( 11 ) in the longitudinal direction (X), whereby the second slide ( 12 ) can be moved relative to the first slide ( 11 ) and thus the console can be moved relative to the seat part ( 2 ).
2 . Vehicle seat ( 1 ) according to claim 1 , further comprising at least two front spacers ( 14 ) and at least two rear spacers ( 14 ) arranged on the first slide ( 11 ), which connect the first slide ( 11 ) to the seat part ( 2 ), wherein the spacers ( 14 ) are designed as cylindrical bushings ( 14 ), wherein the at least two front spacers ( 14 ) are arranged in the longitudinal direction (X) in front of the second slide ( 12 ) and the at least two rear spacers ( 14 ) are arranged in the longitudinal direction (X) behind the second slide ( 12 ).
3 . Vehicle seat ( 1 ) according to claim 2 , wherein the second slide ( 12 ) is displaceable between the front and rear spacers ( 14 ), wherein at least one front spacer ( 14 ) is a front stop and at least one rear spacer
( 14 ) is a rear stop for displacement of the console in the longitudinal direction (X).
4 . Vehicle seat ( 1 ) according to claim 1 , wherein the first slide ( 11 ) comprises a trapezoidal plate element ( 13 ) which extends substantially parallel to a plane defined by the width direction (Y) and the longitudinal direction (X), wherein at least two parallel sides of the plate element ( 13 ) extend parallel to the longitudinal direction (X).
5 . Vehicle seat ( 1 ) according to claim 4 , wherein the second slide ( 12 ) has at least one first retaining element ( 16 a ) that at least partially encloses one of the parallel sides of the plate element ( 13 ) and by means of which the second slide ( 12 ) is attached to the first slide ( 11 ) and by means of which the second slide ( 12 ) can simultaneously be moved along the first slide ( 11 ) by rolling or sliding.
6 . Vehicle seat ( 1 ) according to claim 5 , wherein the second slide ( 12 ) has at least one second retaining element ( 16 b ) which at least partially encloses one of the parallel sides of the plate element ( 13 ), wherein the first retaining element ( 16 a ) at least partially enclosing the opposite side of the plate element ( 13 ), and the at least first and at least second retaining elements ( 16 b ) forming a half-form fit with the plate element ( 13 ).
7 . Vehicle seat ( 1 ) according to claim 1 , wherein a locking device is provided, whereby the second slide ( 12 ) can be locked in a position relative to the first slide ( 11 ) by the locking device.
8 . Vehicle seat ( 1 ) according to claim 7 , wherein the locking device comprises a locking element ( 20 ) and a latch ( 19 ), wherein the locking element ( 20 ) is arranged on the second slide ( 12 ) and the latch ( 19 ) is arranged on the first slide ( 11 ), or the locking element ( 20 ) is arranged on the first slide ( 11 ) and the latch ( 19 ) is arranged on the second slide ( 12 ), wherein the second slide ( 12 ) can be locked relative to the first slide ( 11 ) by the latch ( 19 ) engaging in the locking element ( 20 ).
9 . Vehicle seat ( 1 ) according to claim 1 , wherein the vehicle seat ( 1 ) comprises a second console ( 3 b ), wherein the second console ( 3 b ) also extends predominantly laterally adjacent to the seat part ( 2 ), is arranged opposite the first console ( 3 a ), and the second console ( 3 b ) is fastened to the second slide ( 12 ), and both consoles ( 3 a , 3 b ) can be moved together and simultaneously.
10 . Vehicle seat ( 1 ) according to claim 1 , wherein when the seat part ( 2 ) is adjusted forward or backward, the first console ( 3 a ) maintains its position relative to the seat part ( 2 ), whereby when the first console is adjusted forward or backward, the seat part ( 2 ) maintains its position in the longitudinal direction (X).
11 . Vehicle seat ( 1 ) according to claim 1 , wherein operating device ( 9 ), and the armrest ( 6 a ) and/or the operating device ( 9 ) are arranged on the upper side of the console.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS This application claims priority to German Patent Application 102024132000.1 filed on Nov. 4, 2024, the contents of which are incorporated by reference herein in their entirety. TECHNICAL FIELD The invention relates to a vehicle seat comprising a seat part that can be moved back and forth in a longitudinal direction and comprising a first console that can be moved back and forth in a longitudinal direction and a vehicle seat base, wherein the vehicle seat base has at least one adjustment rail and a first slide attached thereto, wherein the first slide can be moved back and forth in a longitudinal direction by means of the at least one adjustment rail. BACKGROUND Commercial vehicles, such as agricultural machinery, construction machinery, or transport vehicles, usually have consoles extending alongside the seat part, which serve as supports for armrests and operating devices, such as joysticks or control panels. Joysticks in particular must be within reach of the occupant when seated, which is why it is necessary for the console with the joystick to be movable so that its position can be adjusted to the size of the occupant. In previous vehicle seats, a first adjustment rail was installed on the vehicle seat base and an adapter plate was mounted on top of it. A second adjustment rail was then attached to this adapter plate, and the seat part was mounted on top of that. On the one hand, this meant that when the console was adjusted, the seat part was also adjusted, making it necessary to readjust the distance between the seat part and the pedals or steering wheel. A specific sequence must be followed to adjust the distance. First, the distance between the seat part and the console must be adjusted, and then between the console and the steering wheel, as moving the console also causes the seat part to move. Furthermore, the two adjustment rails can form a long lever arm, which has a negative effect on seat belt tensile tests. For this reason, and because of possible collisions between the vehicle seat and the cabin wall of the commercial vehicle, the adjustment ranges of the two adjustment rails must be limited. Consequently, the problem to be solved is to provide a vehicle seat in which an improved adjustment system reduces the space required by the adjustment system, particularly in the vertical direction, and increases comfort and safety. SUMMARY Therefore, a vehicle seat according to the invention is provided, comprising a seat part that can be moved back and forth in a longitudinal direction and comprising a first console that can be moved back and forth in a longitudinal direction, as well as a vehicle seat base, wherein the vehicle seat base has at least one adjustment rail and a first slide attached thereto, wherein the first slide can be moved back and forth in the longitudinal direction by means of the at least one adjustment rail, wherein at least one spacer is arranged on the first slide, which connects the first slide firmly to the seat part arranged above it. The vehicle seat base has a second slide arranged between the seat part and the first slide. The first console is attached to the second slide, which also extends predominantly to the side of the seat part. The second slide can be moved back and forth on the first slide in the longitudinal direction, either sliding or rolling, whereby the second slide can be moved relative to the first slide and thus the console can be moved relative to the seat part. The longitudinal, width, and height directions describe a Cartesian coordinate system X, Y, Z, which is oriented along the main directions of extension of the vehicle seat. Thus, the seat part extends essentially in the longitudinal and width directions, whereas the height direction extends perpendicular to the longitudinal and width directions. A console is a component that is arranged on the side of the vehicle seat and serves as a support structure for various other components. In particular, operating devices such as joysticks, control levers, or control buttons are attached to the console, which are used to control the vehicle or attached implements or machines. To ensure easy access, the console can be adjusted both longitudinally and in the height direction. Adjustment along the longitudinal direction in the forward and backward direction serves to adjust the distance between the upper body of an occupant and the console. For smaller occupants, it may be necessary, depending on the length of the occupant's arms, to move the console and any operating device closer to the upper body, i.e., push it back, in order to be able to use the console and any operating device comfortably. For tall occupants, the opposite may be the case due to longer arms, i.e., it may be necessary to move the console far away from the upper body, i.e., forward. Usually, the vehicle seat has a vehicle seat base that is connected to the body of a vehicle. The vehicle seat base