Vehicle seat with an adjustable seat base and method for adjusting an adjustable seat base
First Claim
1. Vehicle seat comprising a seating surface, which has a front edge and a rear edge, and a backrest arranged at the rear edge and situated at an angle to the seating surface, wherein the seating surface is divided into a main part and at least one front part, which can be moved relative to one another by means of a mechanical adjusting device to enable a distance between the front edge and the rear edge to be adjusted dynamically, wherein at least two inflatable chambers are arranged between the main part and the at least one front part, which chambers can be inflated and emptied in accordance with the distance of the front edge from the rear edge, wherein each of the at least two inflatable chambers has a valve and a pressure sensor, and the vehicle seat has a control unit, which switches the valves in such a way that a predetermined pressure prevails within the inflatable chambers.
2 Assignments
0 Petitions
Accused Products
Abstract
A vehicle seat having a seating surface which has a front edge and a rear edge, and a backrest arranged at the rear edge and situated at an angle to the seating surface. The seating surface is divided into a main part and at least one front part. The main part and the at least one front part can be moved relative to one another by means of an adjusting device to enable a distance between the front edge and the rear edge of the seating surface to be adjusted dynamically. At least two inflatable chambers are arranged between the main part and the at least one front part, which chambers can be inflated and emptied in accordance with the distance of the front edge from the rear edge.
15 Citations
12 Claims
- 1. Vehicle seat comprising a seating surface, which has a front edge and a rear edge, and a backrest arranged at the rear edge and situated at an angle to the seating surface, wherein the seating surface is divided into a main part and at least one front part, which can be moved relative to one another by means of a mechanical adjusting device to enable a distance between the front edge and the rear edge to be adjusted dynamically, wherein at least two inflatable chambers are arranged between the main part and the at least one front part, which chambers can be inflated and emptied in accordance with the distance of the front edge from the rear edge, wherein each of the at least two inflatable chambers has a valve and a pressure sensor, and the vehicle seat has a control unit, which switches the valves in such a way that a predetermined pressure prevails within the inflatable chambers.
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12. Method for adjusting at least one front part of a split seating surface of a vehicle seat relative to a main part of the seating surface, comprising the following steps:
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a) moving the at least one front part relative to the main part by means of a mechanical adjusting device; b) using a fluid to inflate at least one of at least two chambers that can be inflated between the at least one front part and the main part, in particular by means of a pump, in accordance with the distance of the front edge from the rear edge; c) characterized in that the pressure within the at least two inflatable chambers is in each case measured by a pressure sensor, and a control device sets valves associated with the inflatable chambers in such a way that a predetermined pressure prevails at all times within the at least two inflatable chambers.
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Specification