Abstract: A connection assembly for a backrest, of an office or conference chair, includes a backrest structural element, a transverse support element, a transverse bearing by means of which the backrest structural element is rotatably coupled to the transverse support element in a direction perpendicular to a transverse direction, and a connection portion connecting the transverse support element to the backrest structural element, arranged and formed so that the backrest structural element is resiliently movable relative to the transverse support element.

Abstract: A table system including at least one primary module and at least two secondary modules. The primary module includes a tabletop plate and a plurality of crossbars disposed parallel to each other and secured to the underside of the tabletop plate. A secondary module comprises a table leg having an upper end and a plurality of interlocking and bracing mechanisms disposed at the upper end of the table leg. A primary module and a secondary module together have an attached state and an interconnected state. The interlocking and bracing mechanisms have an open state and a closed state. In the attached state, each interlocking and bracing mechanism is in the open state, and is achieved by vertically setting the primary module onto the secondary module. In the interconnected state, each interlocking and bracing mechanism is in the closed state, interlocked independently into the interior portion of a crossbar.

Abstract: A backrest attachment device for a chair is disclosed and includes a metal bow with two bends that is designed such that a shorter intermediate piece with a 90° bend is connected to a comparatively long flank, the shorter intermediate piece in turn having connected thereto a shorter end piece with a 90° bend, wherein an intended level formed by the long flank and the intermediate piece and an intended level formed by the intermediate piece and the end piece are perpendicular to each other, and wherein the metal bow is insertable with a long flank portion thereof through an elongated hole introduced into the backrest frame and interlocked with a simple rotary motion in an interlocking mechanism within the backrest frame, and wherein the end piece of the metal bow is connectable to the frame of the chair.

Abstract: A chair is provided which has a tiltable seat carrier and a tiltable backrest on the backrest carrier which are forcibly coupled to one another, and which has an individual adjustment feature for the tilt of the seat carrier in relation to the backrest carrier. Provided on the underside of the seat carrier is a bearing block having a slideway contour and a vertical slot in which the flange of a lifting element is mounted vertically movably, wherein the lifting element has a substantially triangular collar which slides on the substantially rectangular slideway contour when the flange moves vertically. The tilt of the seat carrier can be adjusted to be steeper or flatter by turning the lifting element, and the limit positions are completely stable such that the possibility of automatic unlocking is eliminated.

Abstract: The present invention relates to a device for lumbar support (2) for an office chair with a backrest consisting of a backrest frame with a membrane stretched over it, wherein the device (2) is mounted independently of the membrane in the backrest frame and is adjustable in height as well as horizontally extendable.

Abstract: The backrest of a chair comprises a frame, a backrest support and a neck support. A membrane is clipped into the frame, and the backrest support is articulated on a tilting mechanism. The frame comprises two side parts and two cross-pieces, the lower cross-piece lying at the height of the user's lumbar vertebra. The frame and the backrest support are interconnected in one piece. The component created as a result is advantageously a plastic injection molding produced by the gas injection technique (GIT) and the plastic is a glass-fiber-reinforced polyarylamide. This overall structure of the backrest provides a high level of sitting comfort by elastic support of the back in all major regions and directions of movement, but at the same time also considerably reduces production, transport and assembly complexity and has an aesthetically impressive, distinctive form.

Abstract: A chair, such as a swivel chair for the office, has an armrest that is made up of an armrest carrier, which includes a carrier and a sleeve sliding thereon and attached to the seat at the bottom by a seat flange which can be displaced transversely to the seat direction, and of an arm support, which can be displaced longitudinally via a guide and can be rotated via a rotary part mounted in a rotary bearing. The guide is arranged parallel, but eccentrically in relation, to the axis of symmetry of the arm support. Since the rotatability of the arm support is at least 1800, it is possible to set different clear distances between the two arm supports of the chair.

Abstract: In a neck support for a chair, a head cushion is articulated, via an articulation bearing, on a guide sleeve displaced on a retaining bar, articulated on the top edge of a backrest via a further articulation bearing, the retaining bar and the guide sleeve being of rectilinear design, this resulting in linear height adjustability of the neck support. The bottom articulation bearing and preferably also the top articulation bearing each comprise a cylinder on the retaining bar and two cylinders on a bearing foot or on a link plate, it being possible for the first cylinder to rotate in a controlled manner between the two second cylinders via blocks.

Abstract: A work table includes a frame with a vertical central column as well as a base and a work surface, which is fastened to a support element. The height and angle of the work surface are adjustable. A joint seating device is provided on an upper end of the central column and a swivel arm is arranged in a pivoting manner about a horizontal axis of the joint seating device. The swivel arm contains another rotary joint, about whose horizontal axis the support element and the work surface connected with it are arranged in a pivoting manner.

Abstract: In the case of a chair with adjustable seat depth, the seat comprises a rigid supporting panel (1) and a single-piece, longitudinally flexible seat panel (2) which bears the seat cushion (3) and is connected in a longitudinally displaceable manner to the supporting panel (1). The longitudinal displaceability is achieved by providing guide strips (6) mounted in guideways (4) on the top side of the seat panel (2), the guide strips being fastened on the supporting panel (1) via screws (7), and the screws (7) passing through slots (5) on the base of the guideways (4). The supporting panel (1) is advantageously designed as a frame and consists of cast aluminium, and the seat panel (2) consists of polypropylene. This achieves an optimum sliding pairing.

Abstract: The invention relates to a chair with adjustable seat depth, wherein the seat of the chair consists of a rigid seat support plate (1) and a sliding and ductile seat cushion plate (2), on which the seat cushion is arranged. The invention is characterized by the fact that the seat cushion plate (2) contains a flexible area (7), which forms a seat trough, that on the seat support plate (1) two lateral guide rails (8) are arranged, in which the seat cushion plate (2) can be displaced with guide ribs (6) that are incorporated in said plate and that between the seat support plate (1) and the seat cushion plate (2) a device (15) for improving the sliding characteristics, preferably a polyethylene foil that is coated with Teflon, is arranged. The chair is characterized by very good sitting comfort.

Abstract: A neckrest, for a chair having a backrest, is configured to be attached to a backrest shield in a height-adjustable manner. The neckrest includes a circular cross-section retaining rod, configured to be connected to the backrest shield via an articulated or movable connection so as to be tiltable by up to approximately 30° in a vertical plane vertically with respect to a surface of the backrest, and a circular cross-section guide sleeve, mounted on the retaining rod so as to be slidingly shiftable by up to approximately 200 mm on the retaining rod. The retaining rod includes a molding on a side thereof which is closest the backrest and seated in a housing having a recess. The molding has a round surface which slides under pressure on a polyurethane rubber material friction dampening device so as to achieve the articulated connection.

Abstract: A movable table flap that which can be integrated into a work surface of a table, wherein in a closed position the upper side of the table flap is flush with the work surface of the table and a device for connecting various electric appliances and communication facilities is arranged underneath the table flap, wherein in the open position, the table flap can be both inclined and recessed simultaneously. The position of the table flap is changed by use of a compression spring, which is movable in an arched guide slot.

Abstract: A folding table including a folding steel wire frame and a table top. The wire frame includes four vertical struts and four cross-struts, and the table top has a front edge profile connected thereto. The front edge profile pivotably connects to the upper ends of the vertical struts. The vertical struts each connect on their lower ends to rollers in a horizontally non-pivoting manner. The rollers are also connected to the lower ends of the cross-struts in a horizontally pivoting manner. A first anchor plate is arranged on the bottom of the table top for fixably connecting upper ends of two of the cross struts, and a second anchor plate is arranged on the bottom of the table of fixably connecting upper ends of the other two of the four cross struts.