Vehicle seat with automatic height adjustment and method therefore
US7575206B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 19, 2004 |
| Grant date | Aug 18, 2009 |
| Priority date | — |
| Expiry date | Jun 16, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60N2/0031
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The invention relates to a vehicle seat comprising at least one gas spring (9) which damps vibration and adjusts the seat height, said gas spring being arranged between a seat frame (1) and a base frame (2), and comprising a valve arrangement (43, 44) for adjusting the pressure in the gas spring (9) and a compressor (45) assigned to the vehicle seat (17, 20, 23), said compressor having a drive motor for feeding compressed gas to the gas spring (9), wherein a belt roller device comprising a belt (11) rolled around an axle (12) is arranged between the seat frame (1) and the base frame (2), the first end (11a) of said belt being attached to a belt roller mechanism (10) arranged on the seat frame (1) and the second end (11b) of said belt being attached to the base frame (2), and a detector (16) which detects a belt rolling movement is attached to the seat frame (1). Use is made of an electronic control unit (14, 38, 40) for evaluating belt rolling movement signals detected within a predefined time period (26, 27, 29) for determining a seat height profile within the time period (26, 27, 29) and for controlling the valve arrangement (43, 44) and/or the compressor (45) such that automatic…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.