Positional lifter for seat headrest

摘要

The positional lifter comprises two concentric pipes (10,11) that are movable inside on another. They can be turned in relation to one another and can be clamped in position with the other pipe. The pipes are shaped in such a way that they can be turned relative to one another and clamped in position. The pipes may be oval or egg shaped. In the area of the inside of the pipes, a lifting device (20) may be situated. This lifting device may take the form of a gas cylinder. One of the pipes (11) may have a back plate (31) and the other may have a support plate (15).