Easy-entry adjustment mechanism for dive-down vehicle seats or seat systems

Patent metadata

Field	Value
Publication number	US-2016159256-A1
Application number	US-201615044550-A
Country	US
Kind code	A1
Filing date	Feb 16, 2016
Priority date	Aug 14, 2013
Publication date	Jun 9, 2016
Grant date	—

Abstract

An adjustment mechanism, in particular easy-entry adjustment mechanism of a vehicle seat or a vehicle seat within a multi-part seat bench or an undivided seat bench, in particular for easier entry to an interior of a motor vehicle, wherein, for carrying out a first step, the backrest part of the vehicle seat/of the seat bench has a backrest unlocking unit, by means of which the backrest part of the vehicle seat/of the seat bench is unlockable and moveable in relation to the seat part of the vehicle seat/of the seat bench into a predeterminable folded position coming closer to the seat part. In a second adjustment movement following a first adjustment movement, the vehicle seat/the seat bench is further movable on the seat rail in the same direction by a further horizontal second adjustment distance.

First claim

What is claimed is:

1 . Adjustment kinematics, in particular easy-entry adjustment kinematics of a vehicle seat or a vehicle seat within a multi-part seat bench or an undivided seat bench to facilitate entry into an interior of a motor vehicle,
wherein, in a first step, a backrest part of the vehicle seat or of the seat bench is unlocked and is brought relative to the seat part of the vehicle seat or of the seat bench into a predeterminable folding position, moving closer to the seat part, wherein, in a second step, a first adjustment movement of the vehicle seat or of the seat bench is performed in which the vehicle seat or the seat bench is horizontally displaced along a first displacement distance and the seat part is moved vertically downwards within the first adjustment movement along in each case one predeterminable vertical adjustment distance, and wherein, after the first adjustment movement, the vehicle seat or the seat bench is advanced in a third step in a rectified manner in a second adjustment movement along a further horizontal second adjustment distance.

2 . The adjustment kinematics according to claim 1 , wherein the adjustment of the backrest part in the first step is reversibly directly transmitted to the seat part since the backrest part is forcibly coupled to the seat part.

3 . An adjustment mechanism, in particular an easy-entry adjustment mechanism of a vehicle seat or a vehicle seat within a multi-part seat bench or an undivided seat bench to facilitate entry into an interior of a motor vehicle,
wherein the backrest part of the vehicle seat or of the seat bench has a backrest unlocking unit for carrying out a first step, through which the backrest part of the vehicle seat or of the seat bench is adapted to be unlocked, and is brought into a predeterminable folding position moving closer to the seat part relative to the seat part of the vehicle seat or of the seat bench, wherein, in the folded position of the vehicle seat or of the seat bench, the backrest unlocking unit for performing a second step, in which a first adjustment movement of the vehicle seat or of the seat bench is carried out, acts in a releasing manner on a slide unlocking unit of a slide carrying the vehicle seat or the seat bench such that the vehicle seat or the seat bench is horizontally displaced by the slide along a first displacement distance and the seat part is moved vertically downwards via at least one pivoting arm disposed in a front region of the seat part within the first adjustment movement, in each case by a predetermined vertical displacement distance, and wherein the slide subsequently acts in a releasing manner on a seat rail unlocking unit of a seat rail carrying the slide so that the vehicle seat or the seat bench is further advanced on the seat rail, in a third step, after the first displacement movement rectified in a second adjustment movement along a further horizontal second adjustment distance.

4 . The adjustment mechanism according to claim 3 , wherein the adjustment of the backrest part is transferrable directly, reversibly and forcibly coupled onto the seat part in the first step by a rocker disposed between the backrest part and the seat part.

5 . The adjustment mechanism according to claim 3 , wherein the backrest part is supported via a fitting connecting the backrest part with a side part on the slide over said side part.

6 . The adjustment mechanism according to claim 5 , wherein a coupling plate is rotatably arranged on the side part on a coupling bearing axis, the coupling plate triggering in the first step an unlocking of the backrest part via an unlocking unit by actuating an easy-entry unlocking element via a Bowden cable so that the backrest part is brought into the folded position, and wherein the coupling plate of the backrest part is guided and secured by a sliding element, which engages in the first slotted guide of the backrest-side fitting part and provides a limitation with respect to the predeterminable pivot angle of the backrest part by a second sliding element, which engages in a second slotted guide.

7 . The adjustment mechanism according to claim 5 , wherein on the side part, a one-piece or multi-piece plunger element is arranged, which when reaching the folded position of the backrest part after the first step is displaced by a transmission element arranged at the backrest part, and wherein the plunger element unlocks a locking element of a slide unlocking unit, and wherein a top slide relative to a base slide in the second step is movable along the first displacement distance and the vehicle seat or the seat bench is horizontally displaceable.

8 . The adjustment mechanism according to claim 5 , wherein an unlocking element is disposed in the front region of a seat rail, which engages indirectly or directly in an unlocking lever of a seat rail unlocking unit, wherein the top slide substantially abuts on the unlocking element at an end of the second horizontal adjustment movement in its substantially foremost position, and by actuating the unlocking lever, causes an unlocking of a seat top rail relative to a seat bottom rail so that the seat top rail associated with the base slide is movable in relation to a body-mounted seat bottom rail of the seat rail in the third step along the second adjustment distance, and the vehicle seat/the seat bench is further horizontally displaceable.

9 . The adjustment mechanism according to claim 3 , wherein the slide is integrated in the seat rail, wherein the top surface of the seat top rail and the top surface of the top slide disposed on the base slide are arranged inside the seat bottom rail in one plane.

Assignees

• Volkswagen Ag

Inventors

• Szlag Robert

Classifications

• B60N2/3065 Primary

  in a longitudinal-vertical plane · CPC title

• B60N2/12

  slidable and tiltable · CPC title

• B60N2/0722

  Constructive details · CPC title

• B60N2/065

  Rear seats · CPC title