Abstract: A chair with a tilting seat and a back piece carried by a back support, wherein a bearing block is provided, in which an eccentric cam can rotate, a rod passes eccentrically through the eccentric cam and is connected to it without the ability to rotate, and at one end it is connected to a handle by which it can be turned. An arm is provided in which the rod is mounted such that it can turn. The tilting of the seat can be adjusted in more than just two positions and the adjustments are secured against unintentional change. The bearing block is provided on the back support and the arm on the bottom side of the seat, a detent sleeve is joined to the aforementioned end of the rod, unable to rotate, but able to slide along the rod between a first and a second position.

Abstract: A back rest for a chair with a back support and a back surface secured to the back support and able to swivel about a two-axis joint. The joint has a joint plate connected to the back surface, an element made of an elastic material that supports the joint in a ground position, and a chamber to accommodate the elastic element, connected to the back support. The joint plate is arranged in the receiving chamber between two elements made from an elastic material, holding the joint in a ground position and each being supported against the receiving chamber, and it can swivel about the two swivel axes. When the joint is placed under load, the two elastic elements are only subjected to compression. There are no tension-loaded connections which break under loading and can result in the joint falling apart.

Abstract: A back rest for a chair with a back support and a back surface secured to the back support and able to swivel about a two-axis joint. The joint has a joint plate connected to the back surface, an element made of an elastic material that supports the joint in a ground position, and a chamber to accommodate the elastic element, connected to the back support. The joint plate is arranged in the receiving chamber between two elements made from an elastic material, holding the joint in a ground position and each being supported against the receiving chamber, and it can swivel about the two swivel axes. When the joint is placed under load, the two elastic elements are only subjected to compression. There are no tension-loaded connections which break under loading and can result in the joint falling apart.

Abstract: A table with three legs and a table surface which folds down. The table also stands on its three legs when the table surface is folded down, and the legs run together toward the table surface in a lower region (I). The legs diverge at a slant from each other toward the table surface in an upper region (II). Two of the three legs are joined to the table surface by tilting linkages and the third leg is composed of a lower and an upper part. The upper part comprises the upper region of the third leg, is detachably joined to the table surface, and can turn relative to the lower part.

Abstract: A chair with a tilting seat and a back piece carried by a back support, wherein a bearing block is provided, in which an eccentric cam can rotate, a rod passes eccentrically through the eccentric cam and is connected to it without the ability to rotate, and at one end it is connected to a handle by which it can be turned. An arm is provided in which the rod is mounted such that it can turn. The tilting of the seat can be adjusted in more than just two positions and the adjustments are secured against unintentional change. The bearing block is provided on the back support and the arm on the bottom side of the seat, a detent sleeve is joined to the aforementioned end of the rod, unable to rotate, but able to slide along the rod between a first and a second position.