Abstract: A folding chair includes first and second parts each having at least one leg, a total number legs of the first and second parts being at least three. A third part of the chair forms a seat and is pivotally connected to the first and second parts. A connecting assembly for pivotally connecting the first part to the second part is a piston assembly having a top end and a bottom end. The top end is pivotally connected to the first part to form a pivot at which the first part pivots relative to the second part between an open position and a closed position. The bottom end is connected to the second part. The connection between the top end and the first part forms the only physical connection between the first and second parts to eliminate cutting dangers to the user.

Abstract: This foldable chair comprises a frame forming the backrest and the forward prop and being articulately linked to a second frame forming the backward prop and to a plate forming the seat. A characterising feature lies in that the seat is linked in a pin-jointed connection and by means of a link to the second frame, said link having each of its respective ends linked in a pin-jointed connection to the respective one of two pieces being fixedly attached to the lower surface of the seat and to the lower surface of the cross member of the second frame, respectively, the seat coming to rest on this latter cross member.

Abstract: A collapsible chair (10) has a first (110) and second (112) front leg, a rear leg (120), a seat support rod (130), and a backrest is attached to the front legs. The legs and the seat support rod are coupled via cross braces (140, 150) such that the seat support rod pivots in one direction while the rear leg pivots in the opposite direction when the front legs are approximated to each other. Preferred chairs comprise a seat that is tensioned when the front legs move apart, and the seat remains substantially tensioned when the seat supports a person.

Abstract: A chair comprises a leg. The leg is formed to include a bight extending longitudinally along the leg to strengthen the leg.

Abstract: A child safety, folding seat includes support members pivotally joined to a seat member. The seat member pivots between folded and unfolded conditions, and a lock locks the seat in the unfolded condition when the seat members is unfolded. Preferably, the lock is spaced rearwardly on an underside of the horizontal seat member sufficiently so that a child on the seat will not normally be able to reach under the seat and inadvertently disengage the lock and the lock automatically locks when the seat member is pivoted to the horizontal position.

Abstract: A lightweight, inexpensive folding chair may have a seat with an interference fit support bracket may be provided. The seat may have a lightweight seat member constructed of a lightweight material, such as a blow-molded plastic, that is generally supported by two such support brackets. The support brackets may be affixed to the lightweight seat member by sliding the lightweight seat member into interference engagement with the support brackets. Thus, the lightweight seat member is supported against bending when the chair is in use, in a way that does not concentrate stresses in the lightweight seat member to cause deformation and failure. The support brackets may have an enclosing shape so that the lightweight seat member is unable to move laterally or transversely out of engagement with the support brackets. The support brackets may thus have lips extending into the lightweight seat member to provide the enclosing shape.

Abstract: A folding chair has a height adjustable seat whose height is controlled by a pneumatic cylinder having locking springs is seated inside each of the two tubular front legs of the chair. A trigger mechanism allows the user to release the locking aspect of the springs, adjusting the height of the seat before locking the spring length again. The chair is supported by a pair of cylindrical sleeves that move up and down the front legs and that are connected by a seat stop bar that maintains the seat in a position ready for use because it is contacted by the straight rear edge of a pair of gussets connected to the sides of the seat. The chair seat pivots upward into a storage position through a pair of hollow pins connected to fittings at the top of the pneumatic cylinders and that move up and down the front legs within an elongated slot cut into each front leg.

Abstract: A lightweight, inexpensive folding chair may have a seat with an interference fit support bracket may be provided. The seat may have a lightweight seat member constructed of a lightweight material, such as a blow-molded plastic, that is generally supported by two such support brackets. The support brackets may be affixed to the lightweight seat member by sliding the lightweight seat member into interference engagement with the support brackets. Thus, the lightweight seat member is supported against bending when the chair is in use, in a way that does not concentrate stresses in the lightweight seat member to cause deformation and failure. The support brackets may have an enclosing shape so that the lightweight seat member is unable to move laterally or transversely out of engagement with the support brackets. The support brackets may thus have lips extending into the lightweight seat member to provide the enclosing shape.

Abstract: A folding chair is provided having a first front leg, a second front leg, a first rear leg, a second rear leg, a first link, a second link, a chair seat, and a backrest. The chair seat includes a seat member, a first support bracket, a second support bracket, and a cross-bar connecting the first and second support brackets. The first front leg, the first rear leg, the first link, and the first support bracket form a first four-bar linkage. The second front leg, the second rear leg, the second like, and the second support bracket form a second four-bar linkage.

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 lightweight, inexpensive folding chair may have a seat with an interference fit support bracket may be provided. The seat may have a lightweight seat member constructed of a lightweight material, such as a blow-molded plastic, that is generally supported by two such support brackets. The support brackets may be affixed to the lightweight seat member by sliding the lightweight seat member into interference engagement with the support brackets. Thus, the lightweight seat member is supported against bending when the chair is in use, in a way that does not concentrate stresses in the lightweight seat member to cause deformation and failure. The support brackets may have an enclosing shape so that the lightweight seat member is unable to move laterally or transversely out of engagement with the support brackets. The support brackets may thus have lips extending into the lightweight seat member to provide the enclosing shape.

Abstract: A foldable chair has a plastics seat pad, a plastics backrest, and a chair frame having a pair of metal front leg tubes and a pair of metal rear leg tubes. Each metal front leg tube and the corresponding metal rear leg tube are connected together. The plastics backrest has two lateral posts inserted in the metal front leg tubes. Two L-shaped frames are disposed on two sides of the plastics seat pad. Each L-shaped frame is connected to the corresponding metal front leg tube and the corresponding metal rear leg tube. Each metal front leg tube has a blocking bar to block the plastics backrest.

Abstract: A foldable chair has a plastics seat pad, a plastics backrest, and a chair frame having a pair of metal front leg tubes and a pair of metal rear leg tubes. Each metal front leg tube and the corresponding metal rear leg tube are connected together. The plastics backrest has two lateral posts inserted in the metal front leg tubes. A support bar has two positioning ends connected to the metal front leg tubes. Two U-shaped frames are disposed on two positioning ends of the support bar. Each U-shaped frame is connected to the corresponding metal front leg tube and the corresponding metal rear leg tube. Each metal front leg tube has a blocking bar to block the plastics backrest.

Abstract: A foldable chair has a plastics seat pad, a plastics backrest, and a chair frame having a pair of metal front leg tubes and a pair of metal rear leg tubes. Each metal front leg tube and the corresponding metal rear leg tube are connected together. The plastics backrest has two lateral posts inserted in the metal front leg tubes. A support bar has two positioning ends connected to the metal front leg tubes. Two U-shaped frames are disposed on two positioning ends of the support bar. Each U-shaped frame is connected to the corresponding metal front leg tube and the corresponding metal rear leg tube. Each metal front leg tube has a blocking bar to block the plastics backrest.

Abstract: An upholstered folding chair includes a chair frame, a base member permanently attached to the frame, and an upholstered insert configured to slide into and removably interlock with either the base member or the chair frame. The base member includes a retaining rim, which covers and protects at least some of the edges of the upholstered insert, and the base member and upholstered insert may have interlocking members which become hidden between the base and insert when the two are interlocked together. The base can be either a back base for receiving and supporting an upholstered chair back insert, or a seat base for receiving and supporting an upholstered chair seat insert.

Abstract: A lightweight, inexpensive folding chair may have a seat with an interference fit support bracket may be provided. The seat may have a lightweight seat member constructed of a lightweight material, such as a blow-molded plastic, that is generally supported by two such support brackets. The support brackets may be affixed to the lightweight seat member by sliding the lightweight seat member into interference engagement with the support brackets. Thus, the lightweight seat member is supported against bending when the chair is in use, in a way that does not concentrate stresses in the lightweight seat member to cause deformation and failure. The support brackets may have an enclosing shape so that the lightweight seat member is unable to move laterally or transversely out of engagement with the support brackets. The support brackets may thus have lips extending into the lightweight seat member to provide the enclosing shape.

Abstract: A stackable chair has a frame with a tubular crosspiece, to each end of which a monolithic casting having legs and a backrest support—and, optionally, an armrest—is attached by means of an integral connecting boss received within the crosspiece and held in place by a connector pin. The backrest supports receive a backrest that pivots between an upright position, to which it is biased by a spring mechanism, and a rearwardly tilted position. The range of tilting motion is limited by a stop pin on the backrest and a stop groove in the backrest support. A seat is mounted on the crosspiece, either in a fixed position or for tilting to an upright position. Chairs with tilting seats include seat supports having diametrically opposite slots that receive projecting portions of the connecting pins. The connector pins slidably engage the sides of the slots to hold the seat supports in place on the crosspiece axially.

Abstract: A folding massage chair structure, the innovative features of which includes the fixing of guide sleeves at the rear surface of the chair back. The guide sleeves have inserted through them guide rods and the center sections of the guide rods are conjoined to the seat cushion. The lower sections of the guide rods are conjoined to the chair leg. There are support plates installed on the lower guide sleeves, with the upper ends of the support plates conjoined to rear end of the seat frame. When the seat cushion is pulled upward, the pivotably interconnected structure allows the massage chair to be completely folded.

Abstract: A folding massage chair structure, the innovative features of which includes the fixing of guide sleeves at the rear surface of the chair back. The guide sleeves have inserted through them guide rods and the center sections of the guide rods are conjoined to the seat cushion. The lower sections of the guide rods are conjoined to the chair leg. There are support plates installed on the lower guide sleeves, with the upper ends of the support plates conjoined to rear end of the seat frame. When the seat cushion is pulled upward, the pivotably interconnected structure allows the massage chair to be completely folded.

Abstract: Rear leg-supported foldable chair including a front leg, a rear leg, a seat and a linking mechanism. The rear leg is pivotally connected with rear end of the seat. A connecting plate is disposed at top end of the rear leg for pivotally connecting with the front leg. Two fixing bent plates respectively extend from lower edges of two lateral fulcrums of the front leg. Each of the fixing bent plates via a linking rod is connected with the other. The linking rod via a movable plate is pivotally connected with the rear end of the seat to form the linking mechanism. When the chair is unfolded, the fulcrums of the rear leg and the linking mechanism directly welded on the front leg will distributively bear the weight loaded on the seat. The front leg and rear leg are firmly connected with each other so that the foldable chair is more rigid and durable.

Abstract: A chair includes a chair arm (20) coupled to a frame (22, 28) and a cup holder (24) mounted to chair arm (20) for movement between a retracted position lying underneath chair arm (20) to an opened position lying away from the underside of chair arm (20) to hold a cup (26) therein. Cup holder (24) includes first and second arms (40, 42) mounted for pivotable movement about a pivot axis (44) relative to chair arm (20) and one another. When moved to the opened position, first and second arms (40, 42) cooperate to define a circular cup-receiving opening therebetween. Cup holder (24) also includes an interlock (90) to guide relative movement of first and second arms (40, 42) as those arms are moved between retracted and opened positions.

Abstract: A convertible backpack chair device is disclosed. The device has a first frame portion and a second frame portion. The two portions are independent of one another and are able to be slip fitted in a chair mode, a reclining mode, and a backpack mode. In the backpack mode, the second frame portion nests within the first frame portion for convenient carrying and storage. Backpack straps may also be present to facilitate convenient carrying.

Abstract: A lightweight, inexpensive folding chair may have a seat with an interference fit support bracket maybe provided. The seat may have a lightweight seat member constructed of a lightweight material, such as a blow-molded plastic, that is generally supported by two such support brackets. The support brackets may be affixed to the lightweight seat member by sliding the lightweight seat member into interference engagement with the support brackets. Thus, the lightweight seat member is supported against bending when the chair is in use, in a way that does not concentrate stresses in the lightweight seat member to cause deformation and failure. The support brackets may have an enclosing shape so that the lightweight seat member is unable to move laterally or transversely out of engagement with the support brackets. The support brackets may thus have lips extending into the lightweight seat member to provide the enclosing shape.

Abstract: A folding chair has a support frame with a back support portion and first and second side supports extending to form front leg members. A seat is pivotally coupled to the support frame, and configured to pivot downwardly with respect to the support frame. First and second rear legs each have an upper member pivotally coupled to a lower member. The lower members are pivotally coupled to the support frame, and the upper members are pivotally coupled to the seat, such that the first and second rear legs include three pivot points and the rear legs fold onto themselves to a shorter length in a closed position. First and second folding systems link the support frame, the fold-down seat, and the rear legs together. The first and second folding systems including four-bar linkage systems with four pivot points and four linkages.

Abstract: A folding chair has a four-bar linkage folding system with four pivot points and four linkages, and a kick-out tab for urging the four-bar linkage system, and thus the chair, to unfold. A support frame forms a first linkage. Rear legs are pivotally coupled to the support frame at pivot points. At least one of the rear legs extends upwards from the pivot point on the support frame to form an upper extension, which defines a second linkage. A linking member is pivotally coupled to and between the upper extension of the rear leg and the seat to form a third linkage. A seat is pivotally coupled to the support frame and forms the fourth linkage. The rear legs and seat pivot with respect to the support frame between an open unfolded position, and a closed folded position. The seat has at least one engagement surface which is engaged by the upper extension of the rear leg when the chair is in the closed folded position. A kick-out tab may be attached to the seat to provide the engagement surface.

Abstract: A portable furniture assembly has a pair of opposed and spaced apart scissor assemblies. A stop mechanism is provided to retain a pair of scissor structures of the portable furniture assembly in a set-up condition and yet permit easy release of the stop mechanism to permit folding of the furniture assembly for transport. A foldable and portable chair has a flexible sling suspended between two scissor assemblies to define a seat and a back for the chair. The portable chair also has two bottom rails connected to front supports of the scissor assemblies via pivots. Rear supports of the scissor assemblies are removably connected to the bottom rails at the stop mechanism to retain the portable chair in a set-up condition and yet permit the chair to be folded to a completely flat or folded condition.

Abstract: A folding chair is disclosed. The folding chair has a pair of front legs each having an aperture defined therethrough. A tab is formed on an inside of each of the front legs and has a first orifice defined at an upper end thereof and aligned with the aperture. A protrusion is defined below the first orifice and a second orifice defined through the protrusion. A pair of links each have a hole defined at a first end thereof pivotally mounted on the front leg by a first pivot pin inserted through the hole, the aperture and the first orifice. A pair of rear legs are pivotally mounted with the links by a second pivot pin respectively. A seat plate pivotally mounted between the rear legs has two openings respectively defined at opposite sides thereof and is pivotally mounted on the tabs by two third pivot pins respectively inserted through the second orifices and the openings.

Abstract: A foldable chair supported by rear supporting legs is disclosed. The rear supporting legs are directly connected to a seat. A positioning structure for resisting against the seat is installed at the fulcrum of the front supporting leg. When the seat is expanded, the fulcrum of each supporting leg practically suffers force from the seat, thus the force is distributed uniformly to the four legs. In using, even the user leans against the chair back, the chair may be still steady. The chair back has a cambered surface. After being folding, the volume occupied does not increase. Therefore, the packaging material will be saved.

Abstract: A foldable chair frame includes a seat frame formed with an elongated groove which extends from a front end portion to a rear end portion of the seat frame, a first leg frame pivoted to the seat frame, and a second leg frame pivoted to the first leg frame and formed with a slide member that extends slidably into the elongated groove. When in an unfolded state, the slide member extends along the elongated groove to the front end portion of the seat frame. When in a folded state, the slide member extends along the elongated groove to the rear end portion of the seat frame. A locking unit includes a stop member disposed below the seat frame and mounted pivotally to the front end portion of the seat frame about a horizontal pivot axis. The stop member is formed with an upwardly extending stop protrusion.

Abstract: The three-legged folding chair has a primary frame with two legs and an apex, a secondary frame with two arms and an apex, and a third leg. The secondary frame is pivotally attached to the primary frame by two pivot pins. A back rest is secured to the primary frame adjacent to the primary frame apex. A support seat is attached to the arms of the secondary frame and are spaced from the secondary frame apex. The third leg is connected to the backrest adjacent to the primary frame apex. The apex of the secondary frame is held in a use position by the third leg. The secondary frame intersects the primary frame at an angle of about 66.degree. when held by the third leg. Both pivot pins are held out of axial alignment with each other when in the use position. The ground contact ends of the primary frame legs are under the forward edge of the support seat, the third leg is relatively short and weight is transferred to the third leg. The backrest is spaced forwardly from the primary frame apex.

Abstract: A standing privacy fence which is collapsible and includes a deployable bench is disclosed. A rectangular sheet is formed with parallel upper and lower edges and generally vertical end edges. The sheet comprises a plurality of vertically extending planks and includes strengthening planks. A pair of long supplemental planks having upper edges with pivot pins pivotally secure the upper end of the supplemental planks to the strengthening planks of the sheet adjacent to the upper edge thereof. The supplemental planks are spaced a distance essentially equal to the width of the vertical strengthening planks of the sheet. Additional planks have an intermediate extent with pivot pins coupled to intermediate extents of the supplemental planks.

Abstract: A device having legs and a horizontal plate includes two outer legs, two inner legs pivotally disposed between the two outer legs and a plate pivotally disposed between the two inner legs, all of the outer legs, the inner legs and the plate being made by plastic molded injection in a mold simultaneously, each of the outer legs having a first upper hole, a first lower hole and a first slot respectively defined therein, each of the inner legs having a first stud extending therefrom and extending through the first upper hole, a second hole and a second slot respectively defined in each of the inner legs, the plate having a second stud extending laterally therefrom and inserted through the second hole and the first lower hole, a third stud extending laterally from each of the two sides of the plate and inserted through the second slot, a sleeve with a bottom being respectively securely mounted to the first stud and the second stud by threading a bolt therethrough.

Abstract: A height-adjustable folding chair comprising a main frame, an auxiliary leg foldably connected to the main frame and a seat mounted on the main frame. The main frame has a pair of left and right poles and lateral bars bridged between the poles. The seat has hooks at rear end thereof for hooking to the lateral bar, and the seat has abutting members at portions near the rear end thereof for abutting against the poles.

Abstract: A foldable tubular rocking chair frame comprises an elongate generally open rectangular back unit having parallel long side elements and parallel upper and lower end elements, the long sides being interrupted by selectively foldable aligned hinges. The hinges include knuckle elements which permit 180.degree. folding, and folding in one direction only. The hinges, when the chair is erected, include a supporting sleeve which circumposes the interruption and prevents folding.

Abstract: A folding chair is provided with three structures respectively defining the front legs, the rear legs and the seat which are reciprocally articulated around a common axis. The backrest of the chair forms part of a fourth structure separate from said three structures and articulated on one of them around the common axis. IN the condition of use of the chair, the backrest can be tilted backwardly against the action of a spring.

Abstract: A high chair has a backrest member and a seat member which constitute a seat section, and a support member which is disposed to overlap the backrest member and which supports the backrest member for vertical slide movement. The support member is fixed in its raised position by a raised position fixing device. In the region where the backrest member and the support member overlap each other, the support member has a through-hole. On the other hand, a plurality of vertically aligned engaging holes are provided in the backrest member at positions where they can be opposed to the through-hole. A lock pin is inserted into the through-hole and one of the engaging holes, thereby fixing the height of the backrest member.

Abstract: A foldable seat device having diagonal side legs for support of a flexible sheet seat along its rearward and forward portions; and although legs extending from the rearward portion of the seat are conventionally continuous to their feet, the legs extending from the forward portion of the seat are of two discrete and non-connected portions.Of those legs, the adjacent ends of the lower rearward leg portion, and of the upper forward leg portion, are pivotally connected to the other legs at spaced points therealong; and those unconnected leg portions are pivotally movable independently of one another, permitting a seat-open condition of the seat even though the rear seat-feet may be then retracted to permit a support of the seat in a partially folded condition which permits a use of the seat while the device is leaning against a tree for user comfort.

Abstract: A chair with continuously height adjustable seat, comprising a frame having a pair of guide portions and a seat movable along the guide portions and capable of being fixed to the guide portions.The frame comprises an outside frame and an inside frame both of which are inverse-U shaped pipe frames, and parallel portions of their both sides serve as the above guide portions.The seat has a pair of support members of which rear portions are inserted in the gaps between the outside frame and inside frame, and each rear portion has a pair of rear stoppers having rubber-made covers and a pair of front stoppers, so that those stoppers securely grip the pipes of guide portions when user sits on the seat.The pipes in the guide portion have oval cross section longer in lateral direction.Clamping force of the stoppers is improved and right and left side stopper's group are balanced in clamping force.

Abstract: An adjustable folding slat type chair is disclosed which does not require a pivot pin, and folds flat and opens to a stable configuration.

Abstract: A structural joint device for foldable chairs includes a combination of three tubular elements one of which has the shape of a rectangular frame forming the front legs and backboard of the chair. Another of the tubular elements has the form of a U-shaped tubular profile forming the back legs of the chair, while the third tubular element has the shape of a rectangular or quadrangular frame forming the seat frame of the chair. Lateral members of the three tubular elements are connected to one another by a pair of lateral structural joint devices. Each of the structural joint devices comprises a pair of identical rectangular prismatic pieces, one of which is partially inlaid and fixed to the corresponding interior face of the lateral member of the tubular element forming the front legs and backboard, while the other piece is placed facing the latter and is fixed on the lateral member of the tubular element forming the seat frame.

Abstract: There is disclosed improved portable furniture generally comprising planar one-piece support members having integral portions adapted to be resiliently disposed and releasably secured in angular relationship to each other allowing for support, said portable furniture returning to its planar configuration when the said members are disengaged to facilitate portability.

Abstract: The invention relates to a work stool used for a higher than normal seating position as required when working at a drafting table or the like. Features of the invention include a light weight frame that folds for storage, a wide base that does not interfere with the user's feet, and a vertically adjustable seat having a textured surface for ventilation.

Abstract: The tubular support particularly for child carriers consists of a resilient connection box made of plastics material, of two legs rigidly connected to the said connection box and of two U-profiled tubular frames able to present a folded and unfolded position, the folded position of a U-profiled tubular frame being locked by lock means and the folded and the unfolded position of the other U-profiled tubular frame being polarized by said resilient connection box.

Abstract: A collapsible item of furniture is made up of three or four panels, preferably flat panels of which two lie in crossed relationship in the erected condition of the chair to provide support for a deck panel and in the collapsed condition the panels hang one from another in the same plane. This enables the painting of the panels to define a decorative article which can be hung flat on a wall.

Abstract: A collapsible chair providing a lightweight, strong, and sturdy chair when unfolded and providing a compact elongated structure when collapsed. The collapsible chair includes a fabric seat supported in suspended relationship at four corners by a frame assembly comprised of a plurality of legs pivotably connected together. The frame assembly includes a pair of pivotal crossed rear brace legs and a pair of pivotal crossed front brace legs joined by a pair of brace leg assemblies which define the opposite sides of the frame. The pair of brace leg assemblies each include three pivotally connected brace legs, two of these brace legs of each pair of assemblies being connected by a pivotable stop link which permits relative pivotal movement of these brace legs and provides a means for restraining the three brace legs in their proper positions when the chair is in its open position.

Abstract: A hinge construction molded from a plastic composition material and comprising first and second cooperating components, the first component including a pair of spaced parallel ribs, each having a circular opening, the second component including a pair of spaced ears, each having a boss on its outer surface. In assembled relation the ears are disposed adjacent respective ribs and the bosses are journalled in respective openings. In assembling the components the ribs are caused to spread apart to permit entrance of the bosses into respective openings.