According to an aspect, there is provided a vehicle system that includes a foot-deck-based vehicle and a seat accessory structure. The foot-deck-based vehicle includes a foot deck, a handle structure and a plurality of wheels. The foot deck is positioned to support—a user and includes a first handle structure receiving feature. The handle structure is detachably connectable to the first handle structure receiving feature. The seat accessory structure has a seat body and is detachably connectable to the foot deck so as to form a seat-based vehicle. The seat accessory structure has a second handle structure receiving feature thereon. The handle structure is detachably connectable to the second handle structure receiving feature, so as to be positioned for gripping by a secondary person when the secondary person is urging the seat-based vehicle to roll on the ground surface while the user is seated on the seat body.

Proposed is a baby carriage with improved ease of use in which the overall frame structure of the baby carriage is minimized while durability of the baby carriage is maintained, such that it is possible to easily couple a canopy in a state of being separable, it is possible to easily switch between an unfolding mode and a folding mode even in the state in which the canopy is not detached, it is possible to greatly reduce the overall size of the baby carriage in the folding mode, it is possible to easily adjust the angle of a seat back in the form of a chair, and in which a safety bar is located between legs of a baby in the baby carriage, and a tray is easily coupled in a state of being separable such that the baby can eat a light snack.

A child transport carrier includes a lower frame, an upper frame, a rear frame, and a first upper seat support. The lower frame includes a first end and a second end. The upper frame includes a first end and a second end. The rear frame extends from the second end of the lower frame to the second end of the upper frame. The first upper seat support includes a cross-member extending transversely across the first upper seat support and having a first end and a second end. The cross-member is configured to move the first upper seat support between a first seat position and a second seat position. The upper frame extends from an upper end of the rear frame and the lower frame extends from a lower end of the rear frame.

A multi-stage toy walker includes at least a handle, a base, and a configurable component that is adjustable from a folded-flat configuration to at least one of a seat-shaped configuration and a basket-shaped configuration.

A stroller is provided with the ability to removably couple and decouple a seat from the stroller as needed. The stroller can include a stroller frame. The stroller can also include one or more front wheels attached to the stroller frame and one or more rear wheels attached to the stroller frame. The stroller can also include a first seat coupled to the stroller frame. The stroller can include first and second seat attachment housings. Each of the seat attachment housings can include a cavity for receiving a corresponding one of the first and second seat attachment adapters. Each of the seat attachment housings can also include a door cover to prevent access to the respective cavity when not in use. The seat attachment adapters can be coupled to the respective seat attachment housings and a second seat can be coupled to the seat attachment adapters.

Embodiments include strollers having removable seats. An example stroller may include rear wheels, front wheels, and a frame including a handle portion, a rear wheel support portion, a front wheel support portion and a folding mechanism connecting the front wheel support portion and the handle portion in both an unfolded configuration and in a folded configuration. The frame may include a stroller seat support portion positioned at a first vertical position adjacent the handle portion, and a front seat attachment configured for attachment to the front wheel support portion at a second vertical position substantially lower than the first vertical position. The front seat attachment may be configured to support the front stroller seat substantially over the front wheels so that a center of gravity of the stroller system is between the front wheels and the rear wheels.

Embodiments include strollers having removable seats. An example stroller may include rear wheels, front wheels, and a frame including a handle portion, a rear wheel support portion, a front wheel support portion and a folding mechanism connecting the front wheel support portion and the handle portion in both an unfolded configuration and in a folded configuration. The frame may include a stroller seat support portion positioned at a first vertical position adjacent the handle portion, and a front seat attachment configured for attachment to the front wheel support portion at a second vertical position substantially lower than the first vertical position. The front seat attachment may be configured to support the front stroller seat substantially over the front wheels so that a center of gravity of the stroller system is between the front wheels and the rear wheels.

A transportation device includes a frame and a seat module. The seat module includes a seat body, a calf rest and an operating member. The seat body is pivotally connected to the frame and the seat body has a first engaging portion. The calf rest is pivotally connected to the seat body. The operating member has a press portion, an elastic portion, a pivotal portion and a second engaging portion. The operating member is pivotally connected to the calf rest by the pivotal portion. The elastic portion abuts against the calf rest. The second engaging portion engages with the first engaging portion, such that the calf rest is kept at a predetermined position.

A backrest angle adjusting mechanism and an infant carrier having the same. The backrest angle adjusting mechanism is assembled between a seat body and a backrest of the infant carrier, the seat body being installed on a frame, the backrest being rotatably connected to the seat body, wherein the backrest angle adjusting mechanism comprises a fixing member, an adjustment member, and a connecting member, one end of the connecting member is connected to the backrest, the other end of the connecting member is connected to the fixing member, one end of the adjustment member is connected to the seat body or the frame to form a connecting part, and the other end of the adjustment member is bypassed around the fixing member to form an operating part, operating of the operating part causes the adjustment member to slide on the fixing member to rotate in respect to the seat body.

A child transporter includes a seat and a canopy. The canopy is disposed above the seat, and includes an air channel configured to direct a wind curtain about the seat.