Abstract: A mechanism is provided for extending and retracting wheels on a baby rocking carriage which includes two parallel arcuate beams, four base members each fixedly mounted on one distal end of each of the arcuate beams and having a passage and a cavity each defined in an underside thereof, four wheel modules each pivotally disposed on an underside of a respective one of the four base members. The mechanism includes a sleeve rotatably mounted in the passage of each of the base members and having an extension pivotally engaged with each of the wheel modules. A control member has a plug fixedly mounted in a chamber defined in the sleeve to rotate therewith and has a lug extending outwards of the sleeve. A catch member is pivotally mounted in an opening defined in the lug and has a first end portion and a second end portion having a boss detachably received in the cavity of each of the base members. A biasing member is mounted between the first end portion of the catch member and the lug.

Abstract: A length-adjustable handle structure for a stroller comprises an outer tube, a stationary block affixed to an upper end of the outer tube, an inner tube extending through the stationary block and slidably received within the outer tube, the inner tube having a plurality of holes defined along a length thereof, an engaging block having a boss for extending into one of the plurality of holes of the inner tube to immobilize the inner tube with respect to the outer tube, and a spring urging against a wall of the outer tube to releasably press the engaging block to retain the boss extended in the hole of the inner tube. The engaging block together with the boss can be released from one of the plurality of holes of the inner tube by finger pressure, so that the inner tube can be moved to a second position.

Abstract: A foldable playyard combined with an outer playyard frame assembly and an inner playyard frame assembly is disclosed. The outer playyard comprises an essentially rectangular upper support composed of four pairs of rail sections each centrally coupled by a switch unit, each pair of rail sections being pivotably connected to a respective corner bracket provided at four corners of the upper support, a lower support respectively engaged with four vertical rails at a lower end. The lower support includes four legs, each for receiving a corresponding vertical rail, four tilting rails sections each pivotably coupled to one of the legs at one end thereof, two pairs of curved L-shaped rail sections, each respectively coupled with the other ends of two adjacent tilting rails by a hinge and pivotably attached to each other at a different end and two posts each disposed under one of the hinges and supporting the corresponding hinge, providing a stable lower support structure.

Abstract: A rail structure includes two tubes each movably mounted on one of two bases and each having a catch mounted on an upper portion thereof. Two fasteners each have a lower portion detachably mounted on one of the two catches. Two supporting braces each have a first distal end attached to one of the two fasteners. A pivot bracket has two distal ends each pivotally engaged with a second distal end of one of the two supporting braces. L-shaped first and second resting rails each have a vertical section mounted on an upper portion of one of the two fasteners. A tubular block is mounted around one distal end of a horizontal section of the first resting rail and has a first transmission member rotatably mounted thereon. A second transmission member is rotatably mounted on one distal end of a horizontal section of the second resting rail and is pivotally engaged with the first transmission member.

Abstract: A guard rail structure includes first and second vertical tubes, two first support members each mounted on one distal end of the first vertical tube, and two second support members each mounted on one distal end of the second vertical tube. Two first fastener members are each mounted on an associated first support member and two second fastener members are each rotatably mounted on an associated second support member. Two first horizontal tubes each have a first distal end mounted in an associated first fastener member. Two second horizontal tubes each have a first distal end mounted in an associated second fastener member, and a second distal end slidably received in an associated first horizontal tube. Two eccentric members each include a plug securely mounted in the second distal end of an associated second horizontal tube and each include an eccentric shaft extending from the plug thereof.

Abstract: A positioning device for a baby walker includes two linking rods each rotatably mounted on a base portion of the baby walker. Two pairs of legs, each pair is fixedly mounted around first and second ends of a corresponding one of the two linking rods to rotate therewith. Two lug portions each are formed on one end portion of a corresponding one of two opposite sides of the base portion. Two adjusting knobs each have an insert rotatably received in a corresponding one of the two lug portions. A cavity is defined in the insert for fixedly receiving the second end of a corresponding one of the linking rods therein such that the adjusting knob, the linking rod and the associated two legs are rotated in concert with each other.

Abstract: An armrest and handle assembly for a stroller which includes a pair of first stands and a pair of second stands pivotally engaged with each other. The armrest and handle assembly includes a pair of positioning bases each fixedly mounted on one of the pair of first stands and each having a first retaining rod formed thereon. A substantially U-shaped armrest module includes two armrests each having a first end portion pivotally engaged with one of the pair of positioning bases and each having a second end portion with a second retaining rod formed thereon. A substantially U-shaped handle module includes two handles each having a lower end pivotally engaged with one of the pair of positioning bases. A pair of switch devices are each mounted on a corresponding one of the two handles and each includes a catch member detachably engaged with one of the two first retaining rods and detachably engaged with one of the two second retaining rods.

Abstract: A lower support of a foldable playyard having a seat assembly which is coupled between a pair of L-shaped rail sections. The seat assembly comprises a pair of sockets each having an entry opening and an inner wall adapted to securely retain a portion of a corresponding L-shaped rail section. The retention can be released by an upward lifting movement of the seat assembly causing a forced disengagement of the L-shaped rail sections from the sockets.

Abstract: A stroller comprising a respective folding device connected between one of a pair of front legs and a corresponding one of a pair of rear legs. A fastener is provided for pivotally coupling a substantially U-shaped handle to the folding device. A latch assembly is slidably mounted on a respective arm of the handle. The latch assembly is spring-biased to be releasably immobilized with respect to the folding device. The latch assembly is manipulatable to permit the handle and the latch assembly in together to pivot between a forward position and a rearward position.

Abstract: A foldable recliner frame for an infant includes a pair of spaced fixed seats, a horizontal beam securely mounted between the fixed seats, a substantially U-shaped seat supporting member having two distal ends thereof pivotally mounted to upper ends of the fixed seats, a substantially U-shaped backrest supporting member having two distal ends thereof pivotally mounted to the upper ends of the fixed seats, and a substantially U-shaped base frame member having two distal ends thereof pivotally mounted to lower ends of the fixed seats. The fixed seats further have two mutually faced ledges respectively formed thereon to provide a support for the seat supporting member when the recliner frame is in an extended position.

Abstract: A baby deck chair having an adjustable back wherein the back has two distal ends each of which is inserted to a corresponding socket which is pivotally engaged to a block and the block is connected to a base, an extending portion connected between the two sockets opposite to the back, the block having a plurality of notches defined in an outer periphery thereof and a button pivotally engaged to the socket and received in a slot defined in the socket, a tongue extending from an inner portion of the socket and corresponding to the slot such that a spring is disposed between the button and the tongue, the button having a protrusion extending downward from an end thereof for engagement with one of the notches to adjust an angle of the back corresponding to the ground.

Abstract: A backrest adjusting device for a stroller includes a slidable seat slidably mounted to each of two limbs of a backrest frame member of the stroller. Each slidable seat includes a receptacle, a spring mounted in the receptacle, a first pin mounted above the spring and transversely passing through an associated limb of the backrest frame member, a stop piece mounted in the receptacle and located above the first pin thereby defining a lowermost position of the slidable seat, and a second pin projecting outward from an outer periphery thereof. A pull bar is mounted between the slidable seats. The second pins engage with sockets defined in a frame of the stroller when the backrest frame member is in a substantially upright position. The backrest frame member is pivotable to a substantially horizontal position when the second pins disengage with the sockets upon actuation of the pull bar which causes upward movement of the slidable seats.

Abstract: A folding device for a stroller includes a positioning device securely mounted to an upper end of a front member and a retainer device mounted to an associated end of a handle of the stroller. The positioning device includes a groove therein, a sliding hook member slidably mounted in the groove and having a hook, a button having a first end pivotally mounted to the positioning device and a second resting on an upper end of the sliding hook member to actuate the sliding hook member, and a spring for biasing the sliding hook member upwardly. The retainer device includes a first end securely mounted to the associated end of the handle, a second end pivotally mounted to the positioning means, and a retainer member projecting transversely from a longitudinal direction thereof for releasably engaging with the hook of the sliding hook member.

Abstract: An adjusting device includes an upper and a lower ring element connected with each other by a pivotal device disposed therebetween, the pivotal device has two pairs of rods cross-pivotally engaged, the upper ring element has a plane portion which has a shoulder formed on an under side, the adjusting device includes a movable element engaged to one pair of rods of the pivotal device, a base engaged to the under side of the plane portion and an operation element pivotally engaged to the base. The movable element has a serrated portion defined in an under side and the base has an opening defined therein corresponding to the serrated portion of the movable element.

Abstract: A backrest positioning arrangement for a stroller includes a positioning plate securely mounted to each of two limbs of the backrest frame member of the stroller and has a pushing piece extending toward a front direction of the stroller and a flexible operative piece having a recess therein which faces the front direction of the stroller. The stroller has a pair of mounting seats for mounting the canopy frame member and the rear members thereof to the handle thereof. Each mounting seat has a peg thereon for releasably engaging with the recess of the associated flexible operative piece.

Abstract: A folding device stroller includes a positioning seat securely mounted to an upper end of each of two front members and a retainer seat securely mounted to an associated end of a handle of the stroller, the associated end of the handle being pivotally mounted to the positioning seat. The positioning seat includes a transverse positioning ring formed on an upper end thereof and a spring-biased button partially received in the positioning ring. The retainer seat includes a cutout defined therein thereby forming a handgrip and a transverse bore defined in a lower end thereof through which the button is passable. The button is biased to a position partially received in the bore to retain the stroller in an extended position, and the stroller is foldable when the button is pressed inwardly to disengage from the bore.