A booster seat (1) for children comprising a frame (2) composed of a front structure (3) and a rear structure (4), the front structure (3) comprising a lower base portion (5) and an upper backrest portion (6), the rear structure (4) being rotatably attached to the lower base portion (5); a seat portion (8) rotatably attached to the upper backrest portion (6); a tray (9) comprising a pair of lateral arms (11); the tray (9) being rotatably attached to the upper backrest portion (6) for the tray (9) to be commuted between a use configuration in which the tray (9) overhangs the upper backrest portion (6) and a stored configuration in which the tray (9) is substantially parallel to the upper backrest portion (6); the booster seat (1) being adapted to be commuted between an open configuration and a closed configuration whereby, in the open configuration, the lower ends of the lower base portion (5) and the lower ends of the rear structure (4) are spaced apart from each other, with the seat portion (8) substantially parallel to the tray (9) which is in the use configuration, and in the closed configuration, the lower ends of the lower base portion (5) are close to the lower ends of the rear structure (4) with the seat portion (8) and the tray (9) substantially parallel to the upper backrest portion (6).

A foldable small dining chair includes a front support frame and a rear support frame which are arranged in a foldable manner. The front support frame is provided with a left sleeve member and a right sleeve member. The front support frame is provided with a left armrest connecting rod and a right armrest connecting rod. A top front end of the left armrest connecting rod is provided with a foldable left armrest, and a top front end of the right armrest connecting rod is provided with a foldable right armrest. A rotatable seat is provided between the left sleeve member and the right sleeve member. A dining tray being detachable and movable forwards and backwards is provided between the left armrest and the right armrest. A detachable backrest is provided between the left armrest connecting rod and the right armrest connecting rod.

A multifunctional small dining chair includes a front U-shaped support frame, a rear U-shaped support frame, a seat, a backrest, a left armrest, a right armrest and a dining tray. A top of the front U-shaped support frame and a top of the rear U-shaped support frame are arranged in a foldable manner. The seat and the backrest are arranged inside the front U-shaped support frame. The seat and the front U-shaped support frame are arranged in a foldable manner. A bottom end of the backrest and a rear end of the seat are hinged. A rear end of the left armrest and a rear end of the right armrest are connected to an upper front end of the front U-shaped support frame. The dining tray is provided between the left armrest and the right armrest, and the dining tray is rotatable relative to the left or right armrest.

An activity seat includes a frame, a seat assembly, and a tray. The tray may be coupled to the seat assembly for use while the activity seat is in a raised configuration or coupled to the frame for storage while the activity seat is in a lowered configuration. When the activity seat is in the storage or lowered configuration and the tray is coupled to the frame, the tray nests within the frame so as to maintain the activity seat in a generally flat configuration.

A joint mechanism of a child high chair includes a first leg, a second leg, an extension arm and a latching component. The first leg includes a cammed portion and an accommodating space. The second leg is pivotally connected to the first leg to switch between a folded position and an unfolded position. The extension arm which includes a restricted portion is pivotally connected to the second leg. The latching component includes a main body disposed on the second leg, and a protrusion disposed on a part of the main body opposite to the second leg. The protrusion is located inside the accommodating space to contact against the restricted portion while the second leg is switched to the unfolded position, and the protrusion is moved upon the cammed portion to separate from the restricted portion while the second leg is switched to the folded position.

A children's accessory that is convertible between a highchair configuration and a stepstool. In the highchair configuration the device generally includes a first child seat supported above a floor by a highchair frame, and a second child seat configured for being removably coupled to the first child seat. The second child seat is configured such that, when detached from the highchair's first child seat, it can be used as a booster seat. In certain embodiments, the second child seat includes a base surface configured to stably support the second child seat on a separate support surface. In the stepstool configuration a support step platform is supported above the floor by the frame, and a back rail at the top of the frame provides further support for the user.

A child tray assembly adapted for a child seat is provided. The child tray assembly includes a first tray slidably disposed on the child seat. The first tray is slidably disposed on the child seat, and the first tray includes a first tray body and at least one sliding track installed on the first tray body. The child tray assembly is versatile and convenient. Furthermore, a multi-function high chair including the aforementioned child tray assembly is provided.

A child carrier includes a booster seat and a leg assembly. The leg assembly is detachably installed on the booster seat. The leg assembly includes an upper support and a lower support. The upper support is detachably installed on the booster seat. The lower support is detachably installed on the upper support. The child carrier is in a high chair mode when the lower support and the upper support are respectively installed on the upper support and the booster seat to connect the leg assembly to the booster seat, the child carrier is in a youth chair mode when the upper support is installed on the booster seat and the lower support is detached from the upper support, and the child carrier is in a booster mode when the upper support is detached from the booster seat to separate the leg assembly from the booster seat.

A child carrier includes a booster seat and a leg assembly. The leg assembly is detachably installed on the booster seat. The leg assembly includes an upper support and a lower support. The upper support is detachably installed on the booster seat. The lower support is detachably installed on the upper support. The child carrier is in a high chair mode when the lower support and the upper support are respectively installed on the upper support and the booster seat to connect the leg assembly to the booster seat, the child carrier is in a youth chair mode when the upper support is installed on the booster seat and the lower support is detached from the upper support, and the child carrier is in a booster mode when the upper support is detached from the booster seat to separate the leg assembly from the booster seat.

A child tray assembly adapted for a child seat is provided. The child tray assembly includes a first tray and a second tray. The first tray is slidably disposed on the child seat. The first tray includes a first tray body and at least one sliding track installed on the first tray body. The second tray includes a second tray body and at least one sliding latch slidably disposed on the second tray body, the second tray body being detachably combined with the first tray body by the at least one sliding latch.