A foldable chair frame and a foldable chair are provided. The foldable chair frame includes a base, having three or more opening grooves; and three or more joint structures, each including a first rotating member and a second rotating member that are coaxially pin-jointed in the opening groove. A stopper that limits a relative rotation angle between the second rotating member and the first rotating member is disposed on the first rotating member. A first abutting part that limits a relative rotation angle between the first rotating member and the base is disposed on the first rotating member; and/or a second abutting part that limits relative rotation angle between the second rotating member and the base is disposed on the second rotating member.

A collapsible furniture item, such as a chair or stool, can be easily interconverted between an in-use, or deployed, configuration and a stowed configuration. A single push button may be used to cause the legs of the furniture to automatically deploy from the stowed configuration. A latch on each leg may retain the furniture in either the deployed or the stowed configurations. Arms may pivotably extending from the legs to form a seat of a chair or stool, or a top of a table, for example. The arms may telescope to form different configurations for the chair. When stowed, at least a portion of the arms are disposed within a channel formed by the legs, resulting in a compact stowed configuration. In the stowed configuration, multiple devices may join together for ease of transportation.

A collapsible furniture item, such as a chair or stool, can be easily interconverted between an in-use, or deployed, configuration and a stowed configuration. A single push button may be used to cause the legs of the furniture to automatically deploy from the stowed configuration. A latch on each leg may retain the furniture in either the deployed or the stowed configurations. Arms may pivotably extending from the legs to form a seat of a chair or stool, or a top of a table, for example. The arms may telescope to form different configurations for the chair. When stowed, at least a portion of the arms are disposed within a channel formed by the legs, resulting in a compact stowed configuration. In the stowed configuration, multiple devices may join together for ease of transportation.

A portable chair may include a first front leg and a second front leg connected by a front sled and a first back leg and a second back leg connected by a back sled. The first front leg and the first back leg may be pivotally connected to a sliding pivot on an armrest, where the sliding pivot moves relative to the armrest to adjust the chair from an upright position to a reclined position. The seat assembly may include a fabric member that is attached secured to a seat frame by a plurality of fabric retention members. In some examples, the portable chair may include a fabric member is releasably connected to the seat frame and back frame and also extends from a forward rail of the seat frame to a top rail of the back frame.

A portable chair may include a first front leg and a second front leg connected by a front sled and a first back leg and a second back leg connected by a back sled. The first front leg and the first back leg may be pivotally connected to a sliding pivot on an armrest, where the sliding pivot moves relative to the armrest to adjust the chair from an upright position to a reclined position. The seat assembly may include a fabric member that is attached secured to a seat frame by a plurality of fabric retention members. In some examples, the portable chair may include a fabric member is releasably connected to the seat frame and back frame and also extends from a forward rail of the seat frame to a top rail of the back frame.

A foldable plastic-steel chair comprises a seat board assembly, a backrest, and a metal supporting frame. The seat board assembly and the backrest are connected to the metal supporting frame, and the seat board assembly comprises a seat board. The seat board comprises a surface plate and a surrounding edge connected to a periphery of the surface plate and extending downward, and the seat board is a vacuum-formed plastic board. The seat board assembly further comprises a metal frame abutting a periphery of seat board, and a bottom end of the metal frame is bent outward to form a hook. A lower end portion of the surrounding edge of the seat board is disposed in the hook, and a portion of the metal frame abuts an inner side of the surrounding edge. The hook is fixedly clamped to a lower edge of the surrounding edge.

A foldable plastic-steel chair comprises a seat board assembly, a backrest, and a metal supporting frame. The seat board assembly and the backrest are connected to the metal supporting frame, and the seat board assembly comprises a seat board. The seat board comprises a surface plate and a surrounding edge connected to a periphery of the surface plate and extending downward, and the seat board is a vacuum-formed plastic board. The seat board assembly further comprises a metal frame abutting a periphery of seat board, and a bottom end of the metal frame is bent outward to form a hook. A lower end portion of the surrounding edge of the seat board is disposed in the hook, and a portion of the metal frame abuts an inner side of the surrounding edge. The hook is fixedly clamped to a lower edge of the surrounding edge.

A folding chair has a front leg assembly and a rear leg assembly rotatably mounted to the front leg assembly, the rear leg assembly foldable between an unfold extended configuration and a folded compact configuration wherein the rear leg assembly extends about parallel to the front leg assembly. The folding chair has a backrest mounted to the front leg assembly. The folding chair has a seat rotatably mounted to the front seat assembly, the seat being movable between a seating position and an upright position. The hair has a counterweight and damping components damping the pivotal motion of the seat when reaching the seating position and the upright position.

A folding chair enables a user to easily change directions in a sitting state. The user's posture can be supported to prevent sagging in response to the weight of the sitting user. The folding chair includes a lower block having a first stopper connected with an end of each of the legs of the chair. The first stopper parts limit the other ends of the legs from rotating in the lower central direction. An upper block has a second stopper that horizontally rotates based on an axial connection to the lower block and is connected to an end of each of a plurality of support parts. The second stoppers limit the other ends of the support parts from rotating in the lower central direction. A seat connects the other ends of the support parts. The legs and the support parts can be folded or unfolded in the same directions.

A folding chair enables a user to easily change directions in a sitting state. The user's posture can be supported to prevent sagging in response to the weight of the sitting user. The folding chair includes a lower block having a first stopper connected with an end of each of the legs of the chair. The first stopper parts limit the other ends of the legs from rotating in the lower central direction. An upper block has a second stopper that horizontally rotates based on an axial connection to the lower block and is connected to an end of each of a plurality of support parts. The second stoppers limit the other ends of the support parts from rotating in the lower central direction. A seat connects the other ends of the support parts. The legs and the support parts can be folded or unfolded in the same directions.