Abstract: A bed that includes a base with first and second sections each with a face and sidewalls that extend around the perimeter of and outward from one side of the face. The bed also includes a mattress and a support. The bed is selectively positionable between a first configuration and a second configuration. The first configuration includes the support positioned in the base and with the mattress supported on the base. The second configuration includes the mattress and the support positioned in the base for storage or shipping.

Abstract: The present disclosure provides a hammock including a hammock cloth body and a mattress. The hammock cloth body is configured to support the mattress. The mattress includes a first mattress and a second mattress that are connected to each other. The first mattress is foldable relative to the second mattress. A side of the hammock cloth body is provided with a pocket portion with an accommodation space. When the first mattress is folded and the pocket portion is connected to the first mattress, the accommodation space of the pocket portion is unfolded to form a storage space. The present disclosure further provides a crib including the above hammock.

Abstract: A foldable crib includes a side rail and an underframe. The side rail includes foldable horizontal bars. The foldable horizontal bar includes a first locking mechanism and a movable unlocking member. The movable unlocking member has a first unlocking stroke for unlocking the first locking mechanism. The underframe includes a lifting and flipping mechanism. The lifting and flipping mechanism includes a second locking mechanism and a handle. The handle has a second unlocking stroke for unlocking the second locking mechanism. The handle is linked with the movable unlocking member through a first linkage structure such that the second unlocking stroke of the handle is capable of causing the first unlocking stroke of the movable unlocking member. A second linkage structure is configured to link the foldable horizontal bar to be unfolded when the underframe is unfolded.

Abstract: A method of assembling a portable fenced-in ball playing area that includes a plurality of panels that have an upward slot on one end of the panel and a downward slot at the other end of the panel. The panels are assembled into a polygon shaped pit, such as for a Ga-ga pit, by fitment of upward and downward slots on adjacent panels. No tools are necessary for assembly. The panels can include hand holes for easy carrying. Some panels may have a top indentation or recess to assist children in entering or leaving the fenced-in ball playing area, such as a Ga-ga pit. These panels can be reversed so that the recess is facing downward to form a goal opening for a game using a ball, puck or the like.

Abstract: A crib assembly includes a frame to support a mattress, an enclosure having sides defining an enclosure area, and an attachment system including a first and second attachment mechanisms. A first side of the enclosure has a first end and a second end. The first end is configured to removably attach via the first attachment mechanism to a first corner of the enclosure and the second end is configured to removably attach via the second attachment mechanism to a second corner of the enclosure. The first attachment mechanism includes (a) a first bolt located at the first end of the first side or the first corner of the enclosure and (b) a first slot located at the first end of the first side or the first corner of the enclosure, opposite the first bolt.

Abstract: A foldable, portable co-sleeper bassinet or apparatus is described. The bassinet, in some embodiments, is transformable into two different configurations, by collapsing or extending the walls of the apparatus. For example, the co-sleeper apparatus may include collapsible wall panels that, when collapsed, enable an easy, lying-down open position, but which can extend back up to a walled position to secure a baby in the bassinet.

Abstract: A child bassinet includes a standing frame, and a top rail portion and a support frame portion respectively connected with the standing frame. The standing frame includes a first leg having two first side segments, and a second leg having two second side segments. The top rail portion includes a first rail respectively connected pivotally with the two first side segments and a second rail respectively connected pivotally with the two second side segments. The support frame portion includes two first bar segments that are respectively connected pivotally with the two first side segments and are fixedly connected with a first coupling part, and two second bar segments that are respectively connected pivotally with the two second side segments and are fixedly connected with a second coupling part, the first and second coupling parts being pivotally connected with each other for forming a central hinge of the support frame portion.

Abstract: A play yard can be locked in an unfolded position via a latch mechanism or unlocked by the latch mechanism to fold to a folded position, by means of lifting a central member and bringing the rail members, the upper support members, the lower support members, and the connecting members to rotate toward the center of the play yard. A spring-loaded engaging member disposed on the rail member can have engagement with the bracket so that the play yard can be stably retained in the folded position. When the engaging member is operated to disengage from the bracket, the rail members, the upper support members, the lower support members, and the connecting members rotate away from the center of the play yard all the way to the unfolded position until the connecting members can be locked by the latch mechanism, which retains the play yard in the unfolded position.

Abstract: The present playyard includes an endless frame, an endless sidewall within the frame, and a floor within the sidewall. The sidewall and floor form the shape of a receptacle having an open top and a closed bottom defined by the floor. Each of the frame, sidewall and floor takes the shape of a hexagon. The frame is a scissoring frame. The frame includes upper and lower junctions. The upper junction engages the sidewall. A strap engages the lower junction to a periphery of the floor, an inner portion of the floor, and the sidewall.

Abstract: A foldable playard includes a frame defining an interior space when unfolded and soft goods partially disposed within the interior space to define a partially enclosed space for a child to play and/or sleep. The frame includes multiple leg support assemblies and multiple X-frame assemblies that couple adjacent leg support assemblies together. The X-frame assembly is positioned near the top of the frame when the playard is unfolded such that the X-frame assembly functions as a top rail to mechanically reinforce the playard. In this manner, the playard does not include a separate compliant or rigid top rail or a bottom support structure, thus reducing the number of parts for manufacture. Additionally, the playard includes a single latch mechanism to maintain the playard in the unfolded configuration. The playard may also include an optional canopy cover assembly mounted to the frame to provide shade for the child.

Abstract: A bed shaped device or structure provides sensory enhancement for the comfort of the infant, baby, toddler, or child. The invention replicates the physical, physiology, and sensation of the mother to the child during the pregnancy period. The structure of the present invention facilitates transfer of the nurturing, characteristics of the mother through dynamics, temperature, graphical imagery, sound, scent, and nourishment to the infant, baby, toddler, or child whereby each senses the replicated comfort, attachment, and/or bonding the mother, as in the womb.

Abstract: An example play yard can include: a plurality of side panels configured to be coupled to one another to form the play yard, with each of the plurality of side panels being plastic; a yard mount configured to be coupled to a free end of one of the plurality of side panels, the yard mount including a first side configured to be coupled to the free end and a second side including a plurality of tabs with each forming an aperture therein; and a wall mount configured to be coupled to a structure, the wall mount including a plurality of members. As the yard mount is moved relative to the wall mount, each one of the plurality of members of the wall mount is received in the aperture of each respective tab of the plurality of tabs of the yard mount to couple the yard mount to the wall mount.

Abstract: A foldable, portable co-sleeper bassinet or apparatus is described. The bassinet, in some embodiments, is transformable into two different configurations, by collapsing or extending the walls of the apparatus. For example, the co-sleeper apparatus may include collapsible wall panels that, when collapsed, enable an easy, lying-down open position, but which can extend back up to a walled position to secure a baby in the bassinet.

Abstract: A folding table, including a collapsible plurality of compressible hollow sections, each section able to be compressed and slid into an adjacent section for compact storage, and each section able to be slid out of an adjacent section and expanded so as to form a table top, a plurality of flexible legs, each leg including compressible portions, each portion able to be compressed and pushed into an adjacent portion, and compartments within the sections for rotating the legs therein when the portions of the legs are pushed one into another, to store the legs.

Abstract: A bed system is disclosed. The bed system may include a perimeter support and associated bedding and may be used by a person or an animal. The bedding may include an upper cavity to receive the support and a lower portion configured with a perimeter zipper. By closing the zipper, the support transitions from a linear configuration to an arc-shaped configuration defining the perimeter of the bed. The inner region of the bed comprises soft ruffled material formed by the gathered lower portion.

Abstract: A collapsible bassinet that is selectively reconfigurable between a use configuration and a storage configuration, the bassinet including an outer structure, a support structure secured within the outer structure, a platform operable to be inserted within the outer structure and to rest on the support structure, and a sleeping pad operable to be inserted within the outer structure and to rest on the platform.

Abstract: A system includes a support frame of a foldable playard, and bassinet fabrics attached to the support frame of the playard. The support frame includes a central hub and a plurality of rods, each of the rods having a first end pivotably attached to the central hub and a second, free end opposite the first end. The support frame is configured to enable the bassinet fabrics to fold with the foldable playard.

Abstract: Embodiments provides a side structure of a fence frame, a fence frame, and a folding method. In the embodiments, the side structure includes two vertical struts, between which is provided: two upper rods provided horizontally, adjacent ends of them can be connected relatively rotatably, and remote ends of them are respectively detachably provided above the two vertical struts, the two upper rods are rotated downward to approach each other after disassembly; two lower rods provided horizontally provided, adjacent ends of them can be connected relatively rotatably, remote ends of them are rotated downward relative to the lower ends of the two vertical struts to approach each other; two diagonal struts, adjacent ends of them are rotatably connected to the intersection of the two upper rods, and remote ends of them can rotate upward relative to the lower ends of the vertical struts to approach each other.

Abstract: A transformable bag includes a first storage unit and a second storage unit connected with each other, and a third storage unit disposed between the first storage unit and the second storage unit. The first storage unit and the second storage unit are respectively connected to two side edges of the third storage unit by two connecting units. When the first storage unit and the second storage unit are away from each other, the third storage unit is stretched to form a placing space for an infant to rest or changing diapers. When the first storage unit and the second storage unit are close to each other, the third storage unit is stored between the first storage unit and the second storage unit, and the third storage unit can be removed to release a storage space between the first storage unit and the second storage unit.

Abstract: A bedding for babies and infants includes two mattresses, wall-surface cushion materials, and handles. The two mattresses have mutually opposite sides that are coupled and have square shapes in planar views of the two mattresses. The wall-surface cushion materials are removably mounted on top surfaces of other three sides excluding the coupled sides of both the mattresses via coupling members. The handles removably mounted on both the mattresses or the wall-surface cushion materials. The wall-surface cushion materials are separably and mutually coupled between the adjacent wall-surface cushion materials via coupling members. The bedding for babies and infants is configured to be carried around with the handles in a state where both the mattresses are folded such that top surfaces of corresponding wall-surface cushion materials are abutted to be closed with a coupling member.

Abstract: A play yard includes a frame body having first and second sides, a bassinet, a strap and a connecting unit. The bassinet is disposed between the first and second sides, includes a backrest and has a lower end portion attached to the frame body, and an upper end portion mounted with the backrest. The strap has a fixed end fastened to the first side, and a free end connected to the second side, and supports the upper end portion. The connecting unit connects the free end to the second side such that an effective length of the strap between a portion of the strap disposed within the connecting unit and the fixed end is adjustable to change an inclination of the backrest when the free end moves relative to the connecting unit.

Abstract: A mattress assembly includes a chassis having top and bottom walls and first and second sidewalls that each extend from the top wall to the bottom wall. Inner surfaces of the walls and the sidewalls define an interior cavity. The top and bottom walls each include a first section that is connected to the first sidewall and a second section that is connected to the second sidewall such that the first sections are pivotable relative to the first sidewall and the second sections are pivotable relative to the second sidewall. The first section of the top wall is pivotable relative to the second section of the top wall and the first section of the bottom wall is pivotable relative to the second section of the bottom wall. A spring assembly is configured to be positioned within the interior cavity.

Abstract: A play yard comprises two brackets, two rail members, two support frames, a central member, a plurality of connecting members and a latch mechanism. The rail members are pivotally connected to the brackets. Each of the support frames comprises two upper support members and a lower support member. The upper support members are pivotally connected to the brackets. The lower support member is pivotally connected to the upper support members. The connecting members are pivotally connected to the central member and the lower support member. The latch mechanism is configured to lock or unlock the connecting members. When the latch mechanism locks the connecting members, the rail members, the upper support members, the lower support member and the connecting members are unfolded. When the latch mechanism unlocks the connecting members, the rail members, the upper support members, the lower support member and the connecting members are able to be folded.

Abstract: Disclosed is a travel bed comprising a bottom support, a upper surrounding frame, stand rods and fixing bases. The upper surrounding frame comprises a first surrounding rod and a second surrounding rod which are rotatably connected with a first connector. The first surrounding rod comprises a first connecting rod and a second connecting rod which are connected with a second connector, and the second surrounding rod comprises a third connecting rod and a fourth connecting rod which are connected with a third connector. The upper surrounding frame further comprises a first locking device for locking the first connecting rod and the second connecting rod, and a second locking device for locking the third connecting rod and the fourth connecting rod. The first locking device is linked with the second locking device via a hauling rope.

Abstract: A baby activity center comprising a foldable mat and a pair of bendable wings connected to the foldable mat. Each bendable wing has an opening. An arch is further coupled to the foldable mat and is positionable in an upright position and a recumbent position. While in the upright position, the arch is engaged with the openings in the pair of bendable wings. While in the recumbent position, the arch is disengaged from the openings in the pair of bendable wings. The baby activity center transforms to a gym configuration where the foldable mat is expanded and the arch is positioned in the upright position across the foldable mat. The baby activity center further transforms to a transport configuration where the foldable mat is folded and the arch is positioned in the recumbent position between the folded mat.

Abstract: A convertible infant support apparatus for safely supporting an infant. The apparatus includes a base that has a front surface that may be formed of a loop fabric to facilitate attachment of a plurality of pillows thereto in a variety of different configurations. The pillows include a first plurality of pillows that can be arranged along a perimeter portion of the front surface of the base in a closed geometric shape and a second plurality of pillows that can be arranged along an intermediate portion of the front surface of the base in a closed geometric shape. The first plurality of pillows may surround the second plurality of pillows and the second plurality of pillows may surround an exposed central portion of the front surface of the base. The first and second pluralities of pillows may be used on the base together, separately, or in any desired combination.

Abstract: A foldable play yard includes a floor assembly, a top rail assembly and a corner post assembly. The corner post assembly includes a first column and a second column movable relative to the first column. A lower end of the first column is pivoted to the floor assembly. An upper end of the first column is movably connected to the top rail assembly. A lower end of the second column is movably connected to the floor assembly. An upper end of the second column is pivoted to the top rail assembly. The floor assembly drives the second column to move relative to the first column to drive the top rail assembly to be folded when the floor assembly is folded, and the floor assembly drives the second column to move relative to the first column to drive the top rail assembly to be unfolded when the floor assembly is unfolded.

Abstract: A privacy partition having a frame covered in fabric having a collapsed configuration and an expanded configuration that defines a perimeter. The privacy partition include a first connector that selectively connects a portion of the privacy partition to a portion of a seat. The first connector may connect the privacy partition to an aft seat and the privacy partition may include a second connect that selectively connects a portion of the privacy partition to a portion of a fore seat. The privacy partition may be flexible to remain attached to the fore and aft seat in any degree of recline. The privacy partition may be selectively connected to a slip cover positioned over the seat back of a seat. The privacy partition may be selectively connected to slip covers over the seatback of fore and aft seats. The frame of the privacy partition may be a flexible wire.

Abstract: The present playyard includes an endless frame, an endless sidewall within the frame, and a floor within the sidewall. The sidewall and floor form the shape of a receptacle having an open top and a closed bottom defined by the floor. Each of the frame, sidewall and floor takes the shape of a hexagon. The frame is a scissoring frame. The frame includes upper and lower junctions. The upper junction engages the sidewall. A strap engages the lower junction to a periphery of the floor, an inner portion of the floor, and the sidewall.

Abstract: Various embodiments of the present invention are directed to a play yard configured for providing an enclosed space for a child. According to various embodiments, the play yard comprises a rigid support frame and removable, flexible liner. The frame includes one or more moveable retention members configured to engage the liner in order to form a bounded play yard space. By permitting the liner to be secured to the frame via the retention members, a user is able to easily secure the liner to the frame for use and remove the liner from the frame for washing.

Abstract: A folding playpen has a frame assembly including a plurality of parallel uprights arranged in a geometric configuration and a plurality of upper rails pivotally affixed to and extending between a top portion of adjacent ones of the uprights. A co-planar grid of braces extends between said the uprights and includes a central support block at a center of geometrically configured uprights. The braces pivotally attached to the central support block and to a respective one of the uprights. A flexible covering extends about a periphery of the frame assembly and a pad is supported by the co-planar grid. The frame assembly is selectively collapsible from a usable configuration to a storage configuration by vertically translating the central support block from a lower position to a position proximate to a top of the uprights.

Abstract: A foldable frame assembly for a playpen includes a collapsible bottom frame which has a central support mount, a plurality of linking elements, a plurality of first linking rods and a plurality of second linking rods. The linking elements are pivoted between the central support mount and the lower end of the plurality of pillars respectively. Each of the linking elements is provided with a sliding part for moving along the linking elements. When the central support mount was lifted upward, the second linking rods are associated with the first linking rods through the sliding parts thereby incurring an inward torque to prevent the pillars from deflecting outward. By such of the inward torque, users can save their troublesome of stretching hands to hold and keep the pillars uprightly while converting the playpen into its folded configuration.

Abstract: A play yard for children, including a rigid support frame and a removable, flexible liner. The frame includes one or more fasteners configured to engage the liner in order to form a bounded play yard space. By securing the liner to the frame via the fasteners, a user is able to easily secure the liner to the frame for use and remove the liner from the frame for washing or replacement.

Abstract: Structural extending members comprising single-tape and composite-tape structures and the means for forming them. Includes tapes with cross sections containing both concave and convex sides facing in the same direction.

Abstract: The folding playard consists of a frame and a fabric enclosure mounted on the frame. The frame is composed of an array of scissoring tube pairs making up the sides of the structure. The fabric enclosure has the same number of sides as the frame and an integral bottom floor. To lock the playard in the “in use” position, a plastic hook clip, which is connected to the bottom floor fabric and the top of the structure is engaged. This strap ensures the tubes are locked in the “in use” position and the structure cannot collapse.

Abstract: A portable bassinet includes two mattress support halves, a lower pivoting arrangement for providing pivoting movement of the two mattress support halves between open and closed positions, legs connected with the mattress support halves, an upper support frame having two upper support members, an upper pivoting arrangement for providing pivoting movement of the two upper support members between the open and closed positions, connection members which connect the lower pivoting arrangement to the upper pivoting arrangement such that the lower pivoting arrangement and the upper pivoting arrangement are always a fixed distance from each other during movement of the bassinet between the open operative position and the closed storage position.

Abstract: A hexagonal combination storage box includes two pieces of trapezoidal base panels each including first and second connection structures respectively located at two opposing parallel sides thereof and locating notches respectively located at two opposing lateral sides thereof, the first connection structure of one base panel being pivotally connected to the first connection structure of the other base panel, and six pieces of rectangular peripheral panels each including a first coupling structure located at one short side thereof and pivotally connected to the second connection structure of one base panel or engaged into the locating notches of one base panel, two mating second coupling structures respectively located at the two parallel long sides thereof so designed that one second coupling structure of one peripheral panel is pivotally connectable to the other second coupling structure of another peripheral panel.

Abstract: A folding playpen or play yard frame and/or a locking hinge mechanism for a folding playpen or play yard frame of the type having tubular rails for supporting sides and a floor of the playpen or play yard. The locking hinge mechanism includes a housing and a lock assembly movably mounted to the housing. The lock assembly is pivotally attached to proximal portions of the tubular rails for locking and unlocking the rails relative to the housing. The lock assembly and housing are configured and adapted to require the locking hinge assembly to be lifted to effect limited relative motion between the housing and the proximal portions of the tubular rails prior to unlocking the lock assembly and permitting greater relative motion between the housing and proximal portions of the tubular rails. This provides greater safety against the hinge accidentally being folded or being folded by a child.

Abstract: The invention relates to a radiofrequency device comprising a passive antenna tuned or intended to be tuned in frequency with at least one transponder, said transponder comprising an integrated circuit chip linked to an antenna interface defining an electromagnetic coupling surface periphery, said passive antenna comprising a main loop formed of turns comprising at least one portion of surface (B) inside the loop, at least one recess of the main loop, oriented from the interior to the exterior of the main loop, said portion of surface (B) being located in said recess so as to effect an electromagnetic coupling with a transponder circuit; the device is distinguished in that it comprises two recesses receiving or intended to receive a transponder each.

Abstract: A foldable structure includes: an upper assembly forming an upper portion of the structure; a base assembly forming a lower portion of the structure; a centrally-located hub assembly operatively connected to the base assembly; and a post extending from each corner of the upper assembly to a corner of the base assembly. The upper assembly includes a plurality of arm assemblies. At least one latching mechanism is provided at each corner of the upper assembly extending from an upper portion of at least one of the posts to a portion of at least one of the arm assemblies.

Abstract: Play yards and methods of operating the same are disclosed. A disclosed example includes a collapsible upper frame, a collapsible lower frame, and posts to support the upper frame above the lower frame. The posts include respective tracks. The example also includes a foldable, frameless enclosure operatively coupled to the upper frame, the lower frame and the posts. The enclosure has a plurality of sides and a bottom to define an enclosure volume. The enclosure also has a plurality of corner beads dimensioned for receipt in a respective one of the tracks to secure the enclosure to the posts.

Abstract: A travel cot includes a frame unit, and two articulation units. The frame unit includes four corner blocks, four support legs, four elastic plates, two first connecting bars, and four second connecting bars. Each of the articulation units includes a positioning plate, a clamping plate, a movable plate, at least one positioning ball, at least one compression spring, a pivot shaft, and a hooked piece. Thus, the hooked piece of each of the articulation units is hooked on the clamping plate and the movable plate to limit the bending direction of the second connecting bars, so that the second connecting bars can only be pivoted upward and cannot be pivoted downward by limit of the hooked piece to prevent the second connecting bars from being bent downward and injuring the infant or baby.

Abstract: A playard having a floor and an upper frame is disclosed. The upper frame includes a first end supported a first distance above the floor, a second end supported a second distance above the floor, and at least two opposed sides. Each of the opposed sides includes a first rail, a second rail, and a joint joining the first and second rails. The joint is positioned in a first plane when the joint secures the first and second rails in an erected position, the first plane being transversely oriented with respect to the floor.

Abstract: A reversible platform and a crib therewith are disclosed. The reversible platform includes a pivotally-engaging mechanism and a bracket. The pivotally-engaging mechanism is disposed on a crib frame. The bracket is connected to the crib frame through the pivotally-engaging mechanism. The bracket has a first side and a second side opposite to the first side. The bracket is capable of being rotated to be disposed selectively with the first side or the second side facing upward for providing application space. Thereby, the invention can provide two application platforms with one occupied space of the crib frame, so as to solve the issue in the prior art that additional accessories provided for a conventional crib is provided for multiple functions occupy more space and the operation therefor is usually inconvenient to users.

Abstract: A reversible changing table installed on a crib frame of a crib includes a bracket and a pivoting mechanism. The pivoting mechanism is disposed on at least one corner of the bracket and has a locking mechanism. The bracket is installed on the crib frame through the pivoting mechanism such that the bracket is capable of being rotated with respect to the crib frame, and the locking mechanism is used for preventing the bracket from being rotated with respect to the crib frame.

Abstract: A foldable structure includes: an upper assembly forming an upper portion of the structure; a base assembly forming a lower portion of the structure; a centrally-located hub assembly operatively connected to the base assembly; and a post extending from each corner of the upper assembly to a corner of the base assembly. At least one rotatable wheel assembly is provided at each corner of the lower portion of the structure extending from the structure to engage a surface. Each wheel assembly includes at least one support surface adapted for supporting and guiding the wheel on a surface and at least one groove provided on opposing sides of the support surface.

Abstract: An infant support structure with a pivotable joint includes a frame, a child receiving portion, and a pivotable joint. The pivotable joint is fixedly coupled to both the frame and the child receiving portion and configured to pivotally couple the child receiving portion such that the infant support structure is movable between an extended configuration and a storage configuration. The pivotable joint includes an insert that is rotatably mounted within a sleeve and configured to receive fasteners through the sleeve, such that the insert may be fixedly coupled to a portion of an infant support structure while remaining rotatably coupled to the sleeve.

Abstract: A playyard includes a collapsible frame having a rail support adapted to support a playyard floor and a playyard top rail. The playyard top rail includes a left rail segment and a right rail segment. The left rail segment and the right rail segment move relative to one another from an inline use position to a folded-storage position when the playyard is collapsed for storage or transportation.

Abstract: Various embodiments of the present invention are directed to a locking mechanism for a collapsible play yard frame. In various embodiments, the locking mechanism is configured to be adjusted between a locked position, in which the play yard frame is restricted from collapsing, and an unlocked position, in which the play yard frame is permitted to collapse. In particular embodiments, the locking mechanism is operatively connected to the play yard frame's lower frame members and includes a rotatable member configured for being rotated to adjust the locking mechanism between the locked position and the unlocked position. The locking mechanism's rotatable member enables the locking mechanism to be secured in the locked position when the play yard is in use and is easily adjusted by a user to the unlocked position when the play yard is to be collapsed for storage.

Abstract: An infant playpen includes a plurality of upright legs, and a first and a second upper side rail assembly supported by the upright legs. Each of the first and a second upper side rail assembly includes at least one elongated segment having an outer surface, and a plurality of positioning regions are defined on the outer surfaces of the elongated segments, each of the positioning regions being configured to locate a connection of a removable accessory on the infant playpen. An infant care system is also disclosed, which includes the infant playpen and a removable accessory installed thereon. One selected positioning region of the first upper side rail assembly can be received in a housing of the removable accessory, and a locking part of the removable accessory is displaced to a locked position that retains the selected positioning region in the housing.