Anchis Technology B.v.

Thomas Regout International B.v.

Hendricus Tadeusz Wojcik

Roger Maria Jozef Schreurs

Thijs Jeurissen

Paul August Marie Lindelauf

Robert Hubert Marcel Schmetz

An apparatus comprising a wall frame and an application frame. The application frame is movable with respect to the wall frame. The apparatus includes a first spring system and a second spring system, which two spring systems are each coupled with the wall frame and the application frame to apply forces on the application frame. The first spring system has its opposite ends connected to the wall frame and the application frame respectively. The second spring system is at a first end connected to the wall frame and the second spring system is at a second end distant from the first end connected to an adjusting device which is coupled with the application frame. The adjusting device is arranged to vary an extension of the second spring system when the application frame moves with respect to the wall frame. The adjusting device includes a single trajectory profile element, and only a first arm and a second arm that are connected to each other at a first hinge. An end of the first arm distant from the first hinge is with a second hinge connected to the application frame. An end of the second arm distant from the first hinge is with a third hinge connected to the second spring system. The first hinge that joins the first arm and the second arm is movably connected to and guided by the single trajectory profile element.

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Maastricht, Netherlands

Hendricus Tadeusz Wojcik