Provided herein is a baby stroller, which has an expanded mode and a folded mode, and includes a lower arm set, a connection part, a front wheel frame, a slide block, a rear wheel set, an upper frame, a first link rod set, a handling tube, a supporting rod set, two seat supports, and two second link rods. Due to the couplings between the slide block, the handling tube and the upper frame and the coupling between the slide block and the rear wheel rocker arms, the baby stroller may easily be folded so that it occupies considerably less space, and thereby improve its portability and facilitate its stowage and transportation.

A lightweight collapsible stroller is provided. The stroller includes: a frame including a first portion movable relative to a second portion; a drive mechanism coupled to the frame, which moves the first portion relative to the second portion, thereby transitioning the frame between an open position and a closed position; and a latch mounted to the frame. The latch is positioned to engage at least a portion of the first portion or the second portion when the frame is in its open position to restrict the first portion from moving relative to the second portion. Upon actuation, the drive mechanism causes the latch to release, such that the first portion of the frame moves relative to the second portion of the frame, thereby allowing the frame to transition to the closed position.

A collapsible stroller includes a stroller frame moveable between a deployed position and a collapsed position and a latch mechanism. The stroller frame includes a first leg, a second leg and a handle support member. The handle support member is pivotable with respect to the first leg or the second leg. The latch mechanism includes a latch body and a catch. The latch body is positioned internally of the second leg. When the stroller is in the deployed position, the latch body is blocked from view by the second leg when the stroller frame is viewed in a side elevation view. The catch is provided on or connected with the first leg or the handle support member. The latch body cooperates with the catch to selectively connect the latch body with the catch when the stroller is in the collapsed position.

A collapsible stroller includes a stroller frame, at least one hinge mechanism, and a hinge lock mechanism. The stroller frame is movable between a deployed position and a collapsed position. The at least one hinge mechanism is on the stroller frame and allows for movement of the stroller frame between the collapsed position and the deployed position. The hinge lock mechanism is capable of a locked state and an unlocked state. In the locked state, the hinge lock mechanism locks the at least one hinge mechanism to maintain the stroller frame in the deployed position. In the unlocked state, the hinge lock mechanism allows the stroller frame to move from the deployed position toward the collapsed position. The hinge lock mechanism includes a manually actuated first linkage and a manually actuated second linkage.

Various embodiments of a collapsible stroller configured to form at least a compact collapsed configuration are described. In some embodiments, the collapsible stroller includes a foldable frame assembly including a top frame pivotably coupled to a bottom frame such that the top frame is allowed to pivot along a longitudinal plane of the foldable frame assembly. The foldable frame assembly can include first strut assemblies pivotably coupled to the bottom frame at respective angled joints. The angled joints can each include a first axis of rotation that is angled relative to the longitudinal plane such that the strut assemblies pivot towards the longitudinal plane as the top frame pivots towards the bottom frame for forming the collapsed configuration. In some embodiments, the foldable frame assembly further includes a suspension system that also can pivot towards the longitudinal plane when the foldable frame assembly forms the collapsed configuration.