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.

Foldable strollers with removable seats and related methods are disclosed herein. An example stroller disclosed herein a wheeled frame, a receiver coupled to the frame, and a seat. The seat includes a mount, a lock disposed in the mount; and a handle having an extended positon and a retracted position relative to the seat. The lock is to move from a first position to a second position when the mount is disposed in the receiver to removably couple the seat to the frame, and the lock to move from the second position to the first position to release the seat from the receiver when the handle moves from the retracted position to the extended position.

A seat height adjustment mechanism includes a locking bar and a locking element. The locking bar is disposed in a stroller frame and has locking holes spaced apart. Each of the locking holes has a stop portion protruding therein. The locking element is mounted on a seat and has an engaging end. The engaging end is separably engaged in any one of the locking holes and has an engaging hook protruding in a direction, and the direction is crossed with another direction in which the engaging end moves when the engaging end is separating from the locking hole. The engaging hook separably presses against the stop portion. Therefore, the engaging end cannot separate from the locking hole. Even when wrongly operated, the locking element cannot be rotated and unlocked and thereby prevents the seat from unnecessarily sliding downward, so as to ensure safety of a baby at the seat.

A baby carriage includes a handle, a first fixing member, a second fixing member, a rear leg, a front leg, an unlock member, a first lock member, a rotating member and a pulling member. The first lock member engages with the first fixing member and the second fixing member to lock the handle, the rear leg and the front leg at a first unfolded position. When the unlock member pulls the pulling member, the pulling member drives the rotating member to rotate, a first inclined driving surface of the first fixing member pushes the rotating member toward the first lock member, and the rotating member pushes the first lock member toward the second fixing member to disengage the first lock member from the first fixing member.

A foldable stroller for transporting up to two child passengers in a tandem arrangement includes seating configurations that may be easily altered dependent upon the age/size of the passengers. The stroller frame includes an upper seat connector for selectively attaching an upper seat. A lower seat connector is positioned forward of and below the upper seat connector and includes a linkage that allows movement of an associated lower seat between opposing forward and rearward positions without altering the inclination of the lower seat. The forward connector position locates the associated lower seat sufficiently forward to provide clearance for the upper seat and its occupant. When the upper seat is removed, the linkage enables the associated seat to be shifted to the rearward position, shifting the center of gravity location rearward for improved stroller stability.

A connecting mechanism includes a first joint, a second joint, a lock pin, an unlock operating member and a stationary base. The first joint is pivotally connected to the second joint. The lock pin is movably disposed between the first joint and the second joint and configured to lock or unlock the first joint and the second joint. The unlock operating member is connected to the lock pin and configured to drive the lock pin to disengage from the first joint or/and the second joint, so as to unlock the first joint and the second joint. The stationary base is connected to the first joint or the second joint and configured to be detachably connected to a baby carriage.

A carriage for transporting a child comprising: a chassis; a plurality of ground bearing wheels; a detachable cradle for supporting a child; a system for controlling environmental conditions within the cradle, the system having at least one electrical component for altering an environmental condition disposed on or in the cradle and at least one input means for controlling the or each electrical component disposed on or in the chassis. In the first aspect the carriage comprises a connector assembly for detachably mounting the cradle in different configurations wherein the cradle faces away from, or toward, a carriage operator, the connector and co-locating connector providing an electrical connection between the or each electrical component and the control panel in either configuration. In a second aspect, the canopy is movable by an electric motor. In a third aspect, the cradle is pivotable between a reclined and inclined position.

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 foldable locking mechanism (300,500) adapted for a frame body (400) includes a first mounting seat (1), a second mounting seat (2), a third mounting seat (4), a first locking component (3) and a driving component (1a,2a). The second mounting seat (2) is pivotally connected to the first mounting seat (1) and the third mounting seat (4). The first locking component (3) is at least partially disposed between the second mounting seat (2) and the third mounting seat (4) and movable between a first releasing position and a first locking position for allowing or restraining a relative pivotal movement of the second mounting seat (2) and the third mounting seat (4). The driving component (1a,2a) is disposed on the first mounting seat (1) and abuts against the first locking component (3). The driving component (1a,2a) is configured to drive the first locking component (3) to move to the first releasing position to allow a folding operation of the foldable locking mechanism (300,500) for allowing a folding operation of the frame body (400).

A pram may be used to transport babies and relatively young infants, and may provide a relatively horizontal surface for the baby or infant to be transported upon in a flat lying position. A pram may also be used to transport relatively older infants, and may provide a seat arrangement for the infant to be transported in a sitting position. However, babies and infants grow quickly and may outgrow conventional prams within a year or two years. Therefore, a parent or guardian must typically provide several prams for their child. Furthermore, a pram offering optimal comfort or safety may not be convenient when travelling or for city living. An aspect of the present disclosure includes a child transportation system comprising a frame 100, wherein the frame 100 is width adjustable between a relatively narrow compact arrangement and a relatively wide comfort arrangement. The frame 100 also includes an infant carrier attachment mechanism 500 configured and arranged to permit, in use, a seat 200 or an infant carrier module 300 to be releasably attached to the frame 100.