Abstract: A chair comprises a seat support assembly including a seat support, the seat support assembly being adapted to stand on a surface so as to provide the seat support at a suitable height for a person to sit on, and a back support assembly, including a back frame member and a back support. In one embodiment, the back frame member has a curved middle portion substantially in the plane of the back support, and first and second end portions substantially in the plane of the seat support. The back frame member is flexibly interconnected to the seat support assembly by a first spring flexibly interconnecting the first end portion of the back frame member and the seat support assembly; and a second spring flexibly interconnecting the second end portion of the back frame and the seat support assembly.

Abstract: A chair frame (10) for a stackable chair. The chair frame (10) includes a seat support portion (12) for support the seat portion (18) of a chair, and includes a pair of leg assemblies (22, 24) oppositely disposed on either side of the seat support portion (12). Each leg assembly (22, 24) includes a front leg (26) and a rear leg (28), and an upper support member (30). Each upper support member (30) has an upper surface (38), at least a portion of which defines a curvilinear surface portion. Each leg assembly (22, 24) also includes a stacking bar (32) extending between the front leg (26) and the rear leg (28), the stacking bar (32) being disposed below, and being selectively space from, the upper support member (30).

Abstract: A stacking chair includes a seat base with the seat cushion supported on the base and a seat back interconnected with the cushion and extending upwardly therefrom. The seat base includes a front member and a rear member. The front member includes a pair of front legs, a pair of generally horizontal lateral side portions interconnected with the front legs, and a transverse portion interconnecting the side portions at their rearmost ends. The rear member is an inverted U-shaped member defining a pair of rear legs and a transverse portion interconnecting the rear legs. The transverse portions of the front and rear members are interconnected so as to form the base.

Abstract: A front seat assembly (54) and a rear seat assembly (10) for a vehicle, including a front seat bottom (52) having a front portion and a rear portion, a rear seat bottom (14) having a forward portion and a rearward portion and being connectable to the vehicle for movement between a use position and a stored position, and a support member (82) connected to the front seat bottom and connectable to the vehicle. The support member supports the rear portion of the front seat bottom from the vehicle such that the rear seat bottom may be moved from the use position to the stored position with the forward potion of the rear seat bottom located under the front seat bottom.

Abstract: A folding chair includes two pairs of intersected legs. A traverse pivot rail interconnects the intersections of the two pairs of legs. Two support mechanisms are spaced along the pivot rail, each support mechanism comprising an upper hole. Two cylinder pads are anchored in the upper holes. Two fastening mechanisms each include an upper section and a lower section, each section having a half tube mating and coupled to each other with the pivot rail passed therethrough. A seat is pivotably secured to the pivot rail by fasteners threaded through the upper and the lower sections and into the seat. In a use position, the seat is adapted to exhibit an elastic, downward movement as buffered by the cylinder pads. In a folding operation, the seat is turned about the pivot rail until being stopped by a chair back.

Abstract: A stackable chair has a backrest mounted on back supports by resilient mount units for tilting between an upright position and a tilted-back position. Each mount unit includes a rigid coupling member having a lower portion received within an upper end portion of the respective back support and pivotally joined to the respective back support and having an upper portion received within and affixed to a socket in the backrest. A compression spring received within the upper end portion of the back support and engaged between the lower portion of the coupling member and a front wall of the respective back support biases the backrest to the upright position. An armrest is slidably supported on an armrest support for simultaneous and controlled pivotal movement about a substantially vertical pivot axis of a rearward part of the armrest relative to a forward part of the armrest and translatory movement in a plane perpendicular to the pivot axis. Movements of the armrests permit dense stacking of the chairs.

Abstract: A chair comprising a supporting structure (12) having a pair of front legs (20a) and a pair of rear legs (22) and carrying a seat (14) and a backrest (16). The supporting structure (12) comprises a transverse element (18), a first pair of bars (20) fixed to the ends of the transverse element (18) and forming the pair of front legs, and a second pair of bars (22) fixed to the ends of the transverse element (18) and forming the pair of rear legs.

Abstract: A stackable chair includes a seating member comprising a seat, and a plurality of chair legs. Each of said chair legs is attached to the seating member by means of its own connecting device. The connecting device (11) includes a connecting plate which is inserted in a recess of the seating member such that it does not extend beyond the seating member where the chair is adjacent to other chairs in the stacked condition. The chair leg is attached to the connecting plate. The result is a chair which can be stacked in a compact manner.

Abstract: A tubular frame convention or banquet chair, preferably of a stackable type, includes opposed support brackets which are secured to depending rear leg parts of the chair, extend upwardly at acute angles with respect to the rear leg parts and include distal flange parts for securing the support brackets to the underside of a seat member with mechanical fasteners. The support brackets are also welded to opposed longitudinal members of the frame.

Abstract: Securely stacking and height adjustable bar stools are provided. In one embodiment of the present invention, the seat of a bar stool includes an upper leg restraining system that accommodates a pair of legs from another bar stool that is to be securely stacked on top. In conjunction with the upper leg restraining system, a leg bracing system is provided to accommodate and restrain the pair of legs from another bar stool. In addition, the seat height of a bar stool may be incrementally increased by attaching a plurality of leg extenders to previously added leg extenders until a desired bar stool seat height has been attained.

Abstract: A stackable chair includes a base with a pair of inverted U-shaped leg members. Each of the leg members includes a front leg portion, a rear leg portion, and a generally horizontal portion interconnecting the front and rear leg portions. The base also has a generally horizontal seat cushion frame extending between the U-shaped leg members with the transverse front spring reinforcement bar extending side-to-side. A back support frame has a generally vertical portion with an upper and lower end and a generally horizontal end portion that extends from the lower end. The generally horizontal portion includes a transverse rear spring reinforcement bar. A spring member has one end interconnected with the front spring reinforcement bar and another end interconnected with the rear spring reinforcement bar. The spring member supports the back support frame such that the back support frame has an unstressed position and a reclined position.

Abstract: An injection molded plastic stackable folding chair having a pair of parallel front legs and a pair of parallel back legs pivotally connected to the front legs. The front legs are separated by top and bottom crosspieces. A seat having a uniform and smooth lower surface is rotatably connected to the front legs by a rod and slidably connected to back legs by a pair of dowel pins engaging dowel slots formed within inner side faces of the back legs. The seat has a plurality of stacking guides and a stacking lip integrally formed therein. The stacking lip includes a notch that engages the top crosspiece of the back legs when the chair is in the open or in use position and receives a lower back corner of a second seat in the closed or folded position.

Abstract: A chair comprising a base structure (22) bearing a seat (32), backrest (36), and a writing table (42) which can be moved between a lowered, inoperative, position, and a raised, operative, position. In the aforesaid lowered, inoperative, position, the table (42) is inclined with respect to a vertical plane (A) parallel to the longitudinal plane of symmetry of the chair, in such a way that two or more chairs of the same type can be set longitudinally against one another, with the tables of two adjacent chairs partially overlapping one another.

Abstract: Pull rod-type foldable chair structure. A pull rod is telescopically inserted in the top end of the rear chair leg and pivotally connected with the front chair leg. When folding or unfolding the rear chair leg, the pull rod provides a pneumatic buffing effect. Two J-shaped lateral support boards are previously mounted on inner sides of the chair frame, whereby the seat can be directly assembled with the support boards by insertion. The back is assembled with the upper end of the front chair leg by engaging members. Therefore, the chair frame, the seat and the back can be quickly assembled. The transverse beam of the chair leg is equipped with elastic ground-contacting blocks. Therefore, the chair can be used on any floorboard made of any material such as wooden, plastic and stone floorboards. The ground-contacting block will not scrape the floorboard and the chair can be more stably placed on the ground.

Abstract: A chair adapted to be stacked is provided, of the type having a rear frame (2) including two rear uprights (3) and rear crosspieces (5), a front frame (7) including two front uprights (8) and front crosspieces (9), a seat (10) and lateral crossbars (11) connecting the rear uprights (3) with the front uprights (8), the chair further having shaped close-fit regions (13) formed in at least one of the frames (2, 7) to removably engage, by close fitting, an underlying chair in a stacked position and the engagement taking place by forced and elastic deformation of the frames (2, 7) at the shaped close-fit regions (13).

Abstract: IMPROVED DECKCHAIR, constituted by a monobloc chassis (1), a back (2) and an adjustable, articulating support frame (3) of the back (2) that has openings (4) on its front and back crosspieces capable of attaching the ends of a canvas provided with orifices or perimetral buttonholes (5a) which, together with other orifices (6) surrounding the deckchair, permit securing the canvas by means of zigzag lacing (7). Another row of orifices (8) has been provided on said front and back crosspieces for alternate mounting of small boards (9) that are also transversally secured by tongue and groove means to alternately replace the canvas. The chassis (1) is flat with rounded edges, with the peculiarity that three different performance alternatives (1a, 1b, 1c) can be obtained from the same mold by means of respective changes in the central part of the mold, thus permitting its stacking (FIGS. 10 and 11).

Abstract: A furniture construction includes a frame structure made up of a pair of spaced frame sections connected together, and a furniture component mounted to the frame structure. Each frame section includes a lower base section, an upright, and a furniture component support member extending from the upright and to which the furniture component is mounted. The frame sections are preferably C-shaped when viewed from the side. In one form, the furniture component is a seat mounted to the furniture component support, and the frame structure includes a back support area extending upwardly from the seat. A back is mounted to the back support area. In another form, the furniture component is a desk or table top mounted to the furniture component support. Combination desk/chair units may also be constructed utilizing the same basic frame structure.

Abstract: A modular arm rest system for a chair. The arm rest includes a connecting member that is installed into an interior cavity in the chair frame and is retained by a nose. A back is also provided with an arm rest hole that the connecting member can be installed through, thereby securing the back to the chair frame. The modular system includes a reclining chair and a four-legged stacker chair with arm rests and plugs so that the chairs can be reconfigured as desired by the user.

Abstract: An injection molded plastic stackable folding chair having a pair of parallel front legs and a pair of parallel back legs pivotally connected to the front legs. The front legs are separated by top, bottom and intermediate crosspieces, wherein the top crosspiece forms a back rest. The back legs are separated by top and bottom crosspieces. A seat is rotatably connected to the front legs by a rod between the backrest and intermediate crosspiece and slidably connected to the back legs by a pair of dowel pins engaging dowel slots formed within inner side faces of the back legs. The seat includes a plurality of stacking guides and a stacking lip integrally formed therein. The stacking guides extend downward and away from a bottom surface of the seat and the stacking lip extends in a direction relatively orthogonal to a top surface of the seat to form a substantially right angle shape. The extending direction of the stacking lip is substantially opposite the extending direction of the stacking guides.

Abstract: A chair comprising a supporting structure (12) having a pair of front legs (20a) and a pair of rear legs (22) and carrying a seat (14) and a backrest (16). The supporting structure (12) comprises a transverse element (18), a first pair of bars (20) fixed to the ends of the transverse element (18) and forming the pair of front legs, and a second pair of bars (22) fixed to the ends of the transverse element (18) and forming the pair of rear legs.

Abstract: A stacking chair includes a seat base with the seat cushion supported on the base and a seat back interconnected with the cushion and extending upwardly therefrom. The seat base includes a front member and a rear member. The front member includes a pair of front legs, a pair of generally horizontal lateral side portions interconnected with the front legs, and a transverse portion interconnecting the side portions at their rearmost ends. The rear member is an inverted U-shaped member defining a pair of rear legs and a transverse portion interconnecting the rear legs. The transverse portions of the front and rear members are interconnected so as to form the base.

Abstract: A cushion, a system of cushions, and a method for stacking cushions are provided. The cushion may have two sections or may be integrally formed. The cushion may have an opening within the lower section of the cushion to receive a portion of another cushion. When placed upon a second similarly structured cushion, a system of cushions results. The cushions may be stacked for the purposes of height manipulation, space conservation, or the like. The cushions may also be transported from one location to another by providing wheels on the cushion or by a dolly.

Abstract: A stackable chair includes a base with a pair of inverted U-shaped leg members. Each of the leg members includes a front leg portion, a rear leg portion, and a generally horizontal portion interconnecting the front and rear leg portions. The base also has a generally horizontal seat cushion frame extending between the U-shaped leg members with the transverse front spring reinforcement bar extending side-to-side. A back support frame has a generally vertical portion with an upper and lower end and a generally horizontal portion that extends from the lower end. The generally horizontal portion includes a transverse rear spring reinforcement bar. A spring member has one end interconnected with the front spring reinforcement bar and another end interconnected with the rear spring reinforcement bar. The spring member supports the back support frame such that the back support frame has an unstressed position and a reclined position.

Abstract: A chair capable of stacking like a ladder is disclosed. The legs of the chair are alternatively arranged. The inner lateral sides of the chair have longitudinal supporting protrusion so that one chair may stack upon another chair by the supporting protrusion. Buckling devices are used to transversally connect chairs so as to be formed with a ladder shape chair frame.

Abstract: A lumbar support comprises a plurality of stackable platelets adapted to underlie a user's lumbar area, a pad attached to a top surface of an uppermost one of the platelets, and male/female mating connectors at the interface between platelets for interlocking the platelets together, and a protective pad on a bottom surface of a lowermost platelet. The platelets have variable height so that the user may selectively and incrementally adjust the height of the lumbar support to meet his or her particular lumbar support needs. The lumbar support preferably further includes a belt and/or guide members for adjustably and removably attaching the platelets to an exercise device, such as a weight lifting bench.

Abstract: A detachable stacking chair includes a chair bracket for seating people and two front legs fastened to two sides of the chair bracket having respectively first fastening sections and second fastening sections formed thereon, and a pair of rear legs having first anchor sections and second anchor sections located thereon matching respectively the first fastening sections and the second fastening sections. The first anchor sections and the second anchor sections may be fastened respectively to the first fastening sections and the second fastening sections through first and second fasteners to compete a chair. The rear legs are detachable from the chair bracket and the front legs for stacking separately to save storing space.

Abstract: A modular arm rest system for a chair. The arm rest includes a connecting member that is installed into an interior cavity in the chair frame and is retained by a nose. A back is also provided with an arm rest hole that the connecting member can be installed through, thereby securing the back to the chair frame. The modular system includes a reclining chair and a four-legged stacker chair with arm rests and plugs so that the chairs can be reconfigured as desired by the user.

Abstract: A folding chair has a rigid support frame with a curved spline profile, and a seat and rear legs which fold into a closed position and substantially collapse within a volume defined by the support frame to maximize stacking density, and to increase stability with the curved spline profiles nesting within one another. The support frame has first and second rigid side support members, each with an upper back support portion and extending forwardly to form front leg portions. The back support portion and the front leg portions are integrally and rigidly connected to advantageously form a curved spline profile. A seat is pivotally coupled to the support frame, or to and between the first and second support members. A majority of the seat advantageously collapses to a folded position within a volume defined between the first and second rigid side support members. Rear legs are pivotally coupled to the support frame, or to the respective first and second support members.

Abstract: A synchrotilt chair includes a base, a back, a seat, and a pair of parallel links pivoted to a rear of the base and to a bottom of the back to form a four-bar linkage arrangement. A spring arrangement includes leaf springs that extend between each link and the base to bias the link and in turn the back and seat toward an upright position, with the back and seat pivoting with a synchronous motion upon recline of the back. The base, the back, the seat, and the links are shaped to receive identical chairs along a stacking direction to form a densely nested stacked arrangement for compact storage. The base has a distinctive horizontal U-shaped mid-frame structure defining a plurality of corners, and further having up legs and down legs extending upwardly and downwardly, respectively, from each of the corners, with the pair of links attached to the two rearmost ones of the up legs.

Abstract: A stackable chair includes a base with a pair of inverted U-shaped leg members. Each of the leg members includes a front leg portion, a rear leg portion, and a generally horizontal portion interconnecting the front and rear leg portions. The base also has a generally horizontal seat cushion frame extending between the U-shaped leg members with the transverse front spring reinforcement bar extending side-to-side. A back support frame has a generally vertical portion with an upper and lower end and a generally horizontal end portion that extends from the lower end. The generally horizontal portion includes a transverse rear spring reinforcement bar. A spring member has one end interconnected with the front spring reinforcement bar and another end interconnected with the rear spring reinforcement bar. The spring member supports the back support frame such that the back support frame has an unstressed position and a reclined position.

Abstract: A combination stiffener and ganger bracket is designed for a stackable chair of the type having a generally horizontal seating surface and four downwardly extending legs. The bracket has a generally planar body with an attachment tab at both of its ends. Two edges of the bracket extend between the ends of the bracket. A hook member extends from one of the edges while an engagement tab extends from the other edge. A stacking tab projects from the plane of the body.

Abstract: A system of nestable chairs for use in a work environment is disclosed. The system includes a plurality of chairs. Each chair includes a base, a support coupled to the base, and a seat assembly coupled to the support and adapted for pivotal movement and for vertical adjustment with respect to the base. The base of a first chair of the plurality of chairs is configured to allow for nesting within the base of a second chair of the plurality of chairs. A chair for use in a work space or the like is also disclosed. The chair includes a base having a nesting portion and a nested portion, a support coupled to the base, and a seat assembly coupled to the support and adapted for pivotal movement and for vertical adjustment with respect to the base. The nested portion of the base is configured to allow for nesting within the nesting portion of the base. The chair may also include a support in the form of a pedestal coupled to the base.

Abstract: A folding chair has a support structure with a back support portion and leg supports. A stabilizing seat is pivotally coupled to the support structure. The seat has a seating surface, and at least one upper projecting alignment member configured to substantially engage a second chair to stabilize and prevent relative lateral movement between the two chairs when in a folded and stacked relationship.

Abstract: A stackable chair that is capable of being ganged with a further like chair in side-by-side relationship, including an upper frame adapted to receive and support a seating platform, and a backrest platform for supporting a user seated on the chair. The upper frame is attached to a lower frame having a left and right sides, each said having a pair of leg members connected underneath the lower frame, each of the leg members having a lower end to engage the supporting surface for the chair, and having an upper end. The right legs connect to a right frame member attached to the lower frame right side. The left legs connect to a left frame member attached to the lower frame left side. A left side and a right side coupling support extend respectively on top of left and right frame members. The left side coupling support includes a left extension having a coupling hook extending outward.

Abstract: A stackable arm chair is constructed from the combination of a frame which supports woven material to form the chair's seat, back and side arm portions. Openings provided in the side arm portions enable passage of the rear legs of an adjacent arm chair to provide a nested forward stack occupying a minimum of volume. A second side arm portion is arranged overlying the opening from outside the frame to obscure the openings to enhance the aesthetic appearance of the arm chair.

Abstract: A chair is formed to permit stacking when not in use and includes a pair of inverted substantially U-shaped leos joined together by a seat cushion and a back cushion supporting frame member. A leg reinforcement bar ties the U-shaped legs together and has an intermediate upwardly formed portion which engages the seat cushion along a line of contact to support the rear of the seat cushion.

Abstract: A system of nestable chairs for use in a work environment is disclosed. The system includes a plurality of chairs. Each chair includes a base, a support coupled to the base, and a seat assembly coupled to the support and adapted for pivotal movement and for vertical adjustment with respect to the base. The base of a first chair of the plurality of chairs is configured to allow for nesting within the base of a second chair of the plurality of chairs. A chair for use in a work space or the like is also disclosed. The chair includes a base having a nesting portion and a nested portion, a support coupled to the base, and a seat assembly coupled to the support and adapted for pivotal movement and for vertical adjustment with respect to the base. The nested portion of the base is configured to allow for nesting within the nesting portion of the base. The chair may also include a support in the form of a pedestal coupled to the base.

Abstract: A vertical stacking leg-over-leg ganged chair is attachable side-by-side and includes an upper frame adapted to receive and support a seating platform, and a lower frame supporting the upper frame, and a backrest for supporting a user seated in the chair. The ganged chair includes a front pair of legs angled frontward, and a rear pair of legs angled rearward, each pair connected underneath the lower frame. The right legs are connected to a right frame member, and the left legs to a left frame member, with the left frame member being of a lesser length than the right frame member. In a side-by-side ganged setup, the wider spaced apart right legs of one ganged chair fit over the left legs of a second like chair, forming a single width leg unit on either side of the ganged chairs. Each upper portion of the left legs includes an elongated slot that accepts an elongated lug on the upper portion of each right leg, for connective support when chairs are attached horizontally.

Abstract: An improved folding chair is provided, which comprises two uprights (2) each having an intermediate section (10), two struts (6) articulated on the uprights (2) and each having two ends (15a, 15b) defining a lower length than that of the uprights (2) and similar to that of the intermediate section (10), and a seat (9) articulated on the struts (6) and the uprights (2) and movable therewith between a use position, in which the uprights (2) and struts (6) are transverse to each other and define four supports resting on the ground, and a compacted position in which each strut (6) is disposed alongside an intermediate section (10) of an upright (2), each upright (2) being provided with shaped portions (14a, 14b) jutting out from opposite sides of the intermediate section (10) and forming stop abutments for the ends (15a, 15b) of a strut (6) of an adjacent folding chair.

Abstract: A collapsible chair includes a pivotal member having a lower pivot hole for connecting with an upper portion of two front feet and an upper hole for connecting an upper end of two rear feet. The lower pivot hole and the upper pivot hole are not aligned but on different surfaces. Two touch blocks are respectively fitted around a lower horizontal rod of the two front feet and of the two rear feet. Each touch block has a position edge protruding from a front side or a rear side. A seat is provided with a pivot base at two opposite sides for connecting with the two rear feet, and each pivot base has a recessed flat face respectively in an upper and a lower side. A backrest is provided with an armrest at two opposite sides, and the armrest has an acute angle member formed under it. Then the collapsible chair is safe and stabilized in an extended condition, and safe and steady and space-saving in a collapsed piled-up condition.

Abstract: An articulated support chair has a frame, a seat cantilevered from the frame, and a back hanging from the frame, with a lower end of the back hinged to an underside of the seat. A lumbar support extends from the seat and pivots to maintain supporting contact as the angles of the seat and back change under varying load conditions. In further embodiments, arm rests may be rigidly coupled below the seat to the back, and a fold-down tablet may be affixed to the frame at one side of the seat. Wedge units assemble in a modular fashion to define straight or different curved or bent rows for waiting room, conference room, or auditorium/theater installations and provide side tables, lockable cabinets, or utility and light bays between adjacent seats. A task chair, a side chair, and tandem chair embodiments are described.

Abstract: A system of nestable chairs for use in a work environment is disclosed. The system includes a plurality of chairs. Each chair includes a base, a support coupled to the base, and a seat assembly coupled to the support and adapted for pivotal movement and for vertical adjustment with respect to the base. The base of a first chair of the plurality of chairs is configured to allow for nesting within the base of a second chair of the plurality of chairs. A chair for use in a work space or the like is also disclosed. The chair includes a base having a nesting portion and a nested portion, a support coupled to the base, and a seat assembly coupled to the support and adapted for pivotal movement and for vertical adjustment with respect to the base. The nested portion of the base is configured to allow for nesting within the nesting portion of the base. The chair may also include a support in the form of a pedestal coupled to the base.

Abstract: A stackable chair is provided which is configured to alter the forward shift of the center of gravity of a stack of the chairs such that a larger number of such chairs can be stacked in a stable stack as compared to a stack of prior art chairs. The stackable chair includes a seat member, a seat back extending from the seat member, a plurality of legs secured to the seat member and a seat pan secured to the bottom of the seat member. The seat member defines a wedge shape and the seat pan is disposed at angle with respect to the seat member. The seat member and the seat pan cooperate to alter the forward shift of the center of gravity to an arcuate path when the chairs are placed in a stack. Further, the seat pan is configured to protect the seat cushion upon which it rests against indentations.

Abstract: An ergonomic chair having a shell that defines a seat and a back. The shell includes a lower back support that extends upwardly from the rear of its seat to about the middle of the back of the chair. An upper back support also extends upwardly from the rear of its seat. The upper and lower back supports can be resiliently flexed independently of each other to respond to movement of the user's back against the back. The shell is mounted to a base which enables multiple identical chairs to be telescopically stacked in a space-saving configuration.

Abstract: A brace for a folding chair comprised two pieces of like construction with each piece having a support surface in a central portion of the brace sized and shaped to be fitted snugly about one side of a leg of a folding chair. Two flange portions straddle the central portion. One of the flange portions is formed with a groove and the other with a tongue of a shape and size to be fitted into the groove. Stacked chairs to which the braces are mounted with the tongue of one brace fitted into the groove of the brace of the other chair are held in a stable stack.

Abstract: A children's stackable high-chair which is easily stackable and washable. One high-chair is integrally formed of a single piece of material and has a forward restraint secured thereto. A preferred high-chair includes a seat supported by two integral side vertical members, two lower, horizontal members, a rear horizontal member, and having a lower, frontal opening between the two vertical side members. The high-chair allows stacking requiring little vertical inclination and height of the high-chair to be stacked. The high-chair also allows stacking while creating only a small stacking angle from vertical. The high-chair allows stacking with only a relatively small increase in stack height for each high-chair relative to the height of each high-chair.

Abstract: A chair includes an L-shaped backrest with a horizontal section engaged with an underside of a seat. An elongated slot is defined in an underside of the horizontal section. A spring assembly includes a knob with a screw extending through the elongated slot and threadedly engaged with the underside of the seat to thereby allow sliding movement of the screw relative to the elongated slot. A leg frame includes two arcuate legs and at least one transverse beam interconnected between the arcuate legs and received in an engaging groove in the seat and secured to two connecting rods, each connecting rod having two ends pivoted to the backrest and the seat, respectively. A a rearward pivotal movement of the backrest relative to the seat causes the seat to move upwardly and forwardly to thereby provide increased safety for the user.

Abstract: A seating assembly has an armless chair having a frame, floor-engaging legs extending downward from the frame, a generally horizontal seat supported on the frame, and an upright back supported on the frame. The frame defines a pair of opposite sides between which lie the respective frame, legs, seat, and back. An arm chair has a frame, floor-engaging legs extending downward from the frame, a generally horizontal seat supported on the frame, an upright back supported on the frame, and at least one arm fixed to the frame. This frame and arm define a pair of opposite sides between which lie the respective frame, legs, seat, back, and arm. A front female coupling member is fixed on one side of each chair spaced a predetermined vertical front distance from a floor plane defined by the respective feet and a front male coupling member is fixed on the other side of each chair spaced a vertical front distance from the respective plane and engageable in the female member of an adjacent such chair.

Abstract: A moulded plastic chair (1) fabricated using an air mould technique with four substaitially identical legs (4, 5) which are hollow, have a constant cross-section along their length and have a leading convex edge (13) and a rearward concave edge (14). The shape and arrangement of the legs (4, 5) constitutes a stacking mechanism which enables like chairs to be conveniently stacked. A indicator (8) able to indicate the size of the chair (1) is also disclosed as is a pair of protrusions (8) on the upper edge (7) of the backrest (3), the protrusions (8) providing a support for a school bag (10).

Abstract: A high density stacking flex chair is disclosed. A frame has a seat attached thereto, and a back pivotally attached thereto. The back is curved and can tilt backwards, but is limited by the frame which, through the back, has a lesser radius of curvature and is angled downward, thus providing stop action for back rotation.