Vehicle seat adjustment device

The invention relates to an adjustment device (2) for vehicle seats, in particular electric wheelchairs or rehabilitation vehicles, comprising at least one mounting plate (3) and a support plate (4) with a lifting device (5). In order to enable individual seat adjustment, the lifting device (5) consists of two or four scissor brackets (20) which are height-adjustable via a drive means. Depending on the height adjustment of each scissor bracket (20), in addition to raising and lowering, lateral inclination or tilting forwards or backwards can be effected.