A chair, such as a conference or office chair, includes a seat support; a backrest support; a storage member formed as a force storage element; and a transmission coupling the seat support with the backrest support which allows a pivoting of the backrest support and the seat support between an upright position and a backwardly pivoted position according to a predetermined sequence of movements. The force storage element is coupled with the seat support and the backrest support such that the predetermined sequence of movements is facilitated and the storage member provides a force restoring in the upright position and wherein the flexibly elastic storage member forms in conjunction at least with a first articulated rotation point of the transmission a kinematic chain.

A seating furniture includes a seat with a seat surface, a pedestal and a tilt mechanism. The tilt mechanism is disposed between the pedestal and the seat and permits an inclination of the seat surface of the seat relative to the horizontal. In addition, the tilt mechanism has a lower bearing block mounted to the pedestal, and an upper bearing block fixedly connected to the seat. The lower bearing block has a convexly curved lower bearing surface on its upper side facing the upper bearing block, and the upper bearing block has a concavely curved upper bearing surface on its lower side facing the lower bearing block. The lower and upper bearing surfaces have substantially corresponding radii of curvature, so that the upper bearing block can be moved relative to the lower bearing block along the upper bearing surface. A tilt mechanism for seating furniture is also provided.

A chair component assembly includes a support component adapted to support a portion of a seated user, and a cover including a plurality of sides that cooperate to form an interior space that receives the support component therein, the cover further including a support component receiving aperture and a flap movable between an open position where the support component may be moved from an exterior of the cover to the interior space of the cover, and a closed position where the flap covers the support component receiving aperture, and wherein the flap is secured to the support component by a quick-connect fastener.

The invention relates to a vehicle seat comprising a backrest portion and a seating surface portion, each of which is arranged to be connected with a seat base portion, wherein the backrest portion is resiliently arranged and supported to be able to swivel with respect to the seat base portion, and wherein the seating surface portion is arranged to be able to move in at least a longitudinal direction of the seat frontwards and rearwards with respect to the seat base portion, wherein the backrest portion and the seating surface portion are operatively connected together via a first lever arrangement in such a way that the seating surface portion is able to move rearwards in the longitudinal direction of the seat when the backrest portion makes a suspending movement with respect to the seat base portion in a direction away from the seating surface portion.

A mechanism for adjusting the seat of a chair as a result of changing the tilt of the backrest with respect to the seat is provided. The mechanism has a backrest frame and a base frame, as well as a covering element stably combined with the base frame and forming part of the seat. The backrest frame is rotatably constrained to the base frame around a respective rotation axis and tilting with respect to the seat between a position (P1) of minimum tilt and a position (P2) of maximum tilt. Advantageously, the covering element is partially elastically deformable, with the mechanism having deforming means operated by the backrest frame in order to reversibly deform, in the vertical direction, when the covering element as a function of the tilt angle with backrest frame has reached with respect to the position (P1) of minimum tilt.

Among other things, a seat includes a back-supporting surface; and a seating surface movable along a path toward and away from the back-supporting surface. At least part of the back-supporting surface is movable to enable a lower portion of the back-supporting surface to move substantially along the path.

A deflectable folding bracket according to the present invention includes a base and a plurality of supporting members movably connected to the base. The base includes an upper base and a lower base. The supporting members include three or more lower supporting members connected to the lower base and three or more upper supporting members connected to the upper base. The base further includes a deflection mechanism arranged between the upper base and the lower base, and the deflection mechanism includes an elastic member connected to the upper base and the lower base. In a case where the elastic member elastically deforms, the upper base deflects relative to the lower base. Since the deflection mechanism is arranged between the upper base and the lower base, the upper base can deflect relative to the lower base, which improves comfort and interest of portable furniture with the folding bracket.

A chair, such as a conference or office chair, includes a seat support; a backrest support; a storage member formed as a force storage element; and a transmission coupling the seat support with the backrest support which allows a pivoting of the backrest support and the seat support between an upright position and a backwardly pivoted position according to a predetermined sequence of movements. The force storage element is coupled with the seat support and the backrest support such that the predetermined sequence of movements is facilitated and the storage member provides a force restoring in the upright position and wherein the flexibly elastic storage member forms in conjunction at least with a first articulated rotation point of the transmission a kinematic chain.

A seating arrangement includes a base, a lower shell having a portion fixedly coupled to the base, and an upper shell supported entirely by the lower shell, the upper shell comprising a seating portion, a backrest portion moveable between an upright position and a reclined position, and a curved transition portion extending between the seating portion and the backrest portion, wherein a pair of laterally spaced longitudinal slots are located in portions of the seating portion and the transition portion thereby defining a central region and laterally spaced side regions, wherein the central region moves up relative to the side regions during recline.

Structures of seating systems for human users are disclosed. In one embodiment, the structure comprises: a frame; a seat structure supported by the frame; and a back rest structure supported by the frame. The seat structure comprises a thigh support region and a pelvic support region where the pelvic support region defines a pelvic well for receiving an ischial tuberosity of the user and also provides a fulcrum to assist in rotating the pelvis of the user. The back rest structure comprises a gluteal panel for supporting a gluteal mass of the user and a posterior superior iliac spine (PSIS) panel disposed above the gluteal panel. The PSIS panel is adjustable to cause movement of a PSIS of the user and cooperate with the pelvic well to cause rotation of the pelvis of the user about the fulcrum provided by the pelvic well.