Abstract: A floor mat (1) at a standing workstation with a mat surface (4) is disclosed, which comprises a mat structure (2) made of an elastomer material and formed beneath the mat surface (4), in which irregularly distributed elements (3) are arranged, the consistency of which is harder than the consistency of the elastomer material of the mat structure (2).

Abstract: A seat device is provided. The seat device has a foot part, an intermediate piece that is connected to the foot part, and a seat that is connected to the intermediate piece and is formed by two individual seat halves. The seat halves can be moved independently of each other. A coupling device is provided between the seat and the intermediate piece. The seat halves can be moved horizontally in a translatory manner by the coupling device.

Abstract: The invention relates to a back rest arrangement, in particular for an office chair, comprising a deformable back rest extending in vertical (H) and transverse direction (Q) comprising a lordosis support region that can be adjusted in terms of height and curvature, wherein an adjustment device for adjusting the height and the curvature of the lordosis support region is arranged on the back rest support arm in an adjustable manner in terms of height and wherein the adjustment device is connected to the back rest on fastening arms protruding in the transverse direction (Q) by means of bearings comprising counter bearings on the back rest side.

Abstract: The invention relates to a seat device (1), consisting of a foot part (2), an intermediate piece (3) that is connected to the foot part, and a seat (4) that is connected to the intermediate piece (3) and is formed by two individual seat halves (5a, 5b), wherein the seat halves can be moved independently of each other, a coupling device (5) is arranged between the seat (4) and the intermediate piece (3), and the seat halves (5a, 5b) can be moved horizontally in a translator manner by means of the coupling device.