Abstract: A positioning foot member includes a mounting base fixedly fastened to the bottom side of the wheeled bottom rack of a baby walker, and a holder base coupled to the mounting base and supported on a spring member and alternatively set between a received position for enabling the baby walker to be moved on the floor freely and an extended position to support the baby walker on the floor and to stop the baby walker from movement.

Abstract: A detachable swing is constructed to include two end assemblies, a top rail coupled between the end assemblies at one of selective elevations, a swing hanger mounted on the top rail to hold a folding collapsible swing seat, two pairs of foot couplings, two bottom supports detachably coupled between the foot couplings and arranged in parallel, two pairs of legs bilaterally obliquely coupled between the end assemblies and the foot couplings, and two chinning bars detachably connected between the legs at two opposite lateral sides, and two barrels mounted on the top rails between the swing hanger and the end assemblies to stop the swing hanger from sliding on the top rail.

Abstract: A garbage container includes a base, a bottom cover rotatably supported on the base to hold an outer shell and an inner barrel, a plurality of partition boards fastened to the bottom cover and defining a plurality of storage chambers within the outer shell around the inner barrel for receiving classified waste materials, a top cover covered on the outer shell over the storage chambers, an inner container formed of multiple container parts and mounted within the inner barrel, a plurality of cover panels respectively pivoted to the inner barrel and moved to close/open the storage chamber, and a foot lever pivoted to the base and operated to lift one container part or the inner container in opening one cover panel from one storage chamber.

Abstract: A collpasible platic container having a rectangular base panel, two short side panels and two long side panels respectively disposed at the four sides of the base panel, hinge strips respectively formed between the base panel and the side panels, the long side panels each having a coupling tongue coupled to a respective coupling groove at one short side panel, and a plurality of studs respectively fastened to respectively plug holes on a respective hinged coupling flange at the second short side panel.

Abstract: A folding collapsible stand mounting structure including a pair of parallel locating plates raised from a bottom side of a wheel-equipped base frame of a baby walker within a bottom chamber, each locating plate having a first locating notch and a second locating notch, a screw tube raised from the base frame between the locating plates, an arched locating block fixedly secured to the screw tube by a screw, a stand pivoted to the locating plates of the base frame and secured in place by the arched locating block and turned between a first position in which the stand is received within the bottom chamber of the base frame, and a second position in which the stand is extended out of the base frame outside the bottom chamber for supporting the baby walker firmly on the ground, the stand having two locating rods which are forced into engagement with the first locating notches of the locating plates when the stand is turned to the second position, or the second locating notches of the locating plates when the stand

Abstract: A baby stroller front wheel frame assembly includes two front legs connected to two rear legs and holds two front wheel assemblies by two swivel wheel holders. Each front leg is made from a high-impact plastic material through the process of injection molding, having a unitary upright rail on a front end thereof, onto which a swivel wheel holder lock is mounted to lock the respective swivel wheel holder in position. A unitary, hooked, split wheel pin extends downwards from a bottom edge of the second wheel holder adjacent to the upright rail and is tightly fitted into a hole on the respective swivel wheel holder so as to hold it in place. Each swivel wheel holder is made from a high-impact plastic material through the process of injection molding, having two unitary axles aligned on two opposite sides for holding two wheels.

Abstract: A baby carriage wheel mounting device comprising a wheel holder having a hollow wheel axle directly molded thereon to hold a wheel at one end by a wheel cap. The hollow wheel axle comprises a square rod on its inside and two opposite retaining slots on the peripheral wall thereof; the wheel cap comprises a hollow plug rod inserted through a hole on the wheel into the hollow wheel axle with two opposite projecting blocks respectively engaged into the two retaining slots on the wheel axle permitting the square rod of the wheel axle to be received in a square hole thereon.

Abstract: An industrial waste water treatment process including a step of guiding a waste water from chemical solution treatment troughs by a gutter into a waste water reservoir through a wire gauge filter; a step of adding a chemical solution, which contains NaOH and H.sub.2 O at the ratio of 25:75 by volume, into the waste water reservoir to destroy the acidic substances in the collected waste water; a step of pumping the collected waste water from the waste water reservoir to a water filtration tower for filtration through a series of water filtration tanks, permitting the filtrated water to be guided into a depositing reservoir; and a step of pumping the water from the depositing reservoir to a water tower for re-use.

Abstract: A collapsible folding baby cart collapse control mechanism which includes two upper frames connected between respective hand rails and the handle of a baby cart to hold a cross bar of the back rest, two pull rods movably and respectively attached to the upper frames, two positioning plates respectively connected between the pull rods and the cross bar, two stop plates respectively connected to the positioning plates; and two torsional springs respectively connected between the positioning plates and the stop plates, wherein pulling the pull rods upwards from the upper frames causes the positioning plates to be respectively rotated on the upper frames in disconnecting the stop plates from the respective locating rods on a sub-frame of the baby cart's rear wheel frame, permitting the baby cart to be collapsed.

Abstract: A baby folding carriage frame assembly including of a handle, a back support frame, one pair of side frames, a rear wheel frame, a front wheel frame, foot pedal lever, one pair of folding links, and two springs. The said handle has a corrugated hand-hold portion, a cross rod and a plurality of pairs of cushions integrally made from a plastic material through the process of injection molding. The back support frame has adjustment sheets integrally made from a plastic material through the process of injection molding. The rear wheel frame has connecting sheets, a plurality of pairs of cushions and transverse wheel axle integrally made from a plastic material through the process of injection molding. The front wheel frame has one pair of cushions and a transverse wheel axle integrally made from a plastic material through the process of injection molding.

Abstract: A folding baby buggy frame assembly which has two handlebars respectively made from a plastic material, each having a projecting rod directly molded thereon to support a canopy frame and an extension rod adjustably locked in place by a lock switch. The extension rods are made from a plastic material with an inner projection and a rear wheel frame holder directly molded thereon for respectively connecting a seat frame and a rear wheel frame. The two seat frames are respectively connected to the handlebars by use of the inner projections to hold a seat with an adjustment sheet directly molded on the seat frames for adjustably connecting the seat frames to the extension rods. The two rear wheel frames each have a rear wheel holder directly molded thereon to hold a rear wheel assembly. Two front wheel frames made from a plastic material are respectively secured on the ends of the extension rods and each have a link and front wheel holder directly molded thereon to a hold a front wheel assembly.

Abstract: A folding toy baby cart comprising a folding frame having two handle rods, two front wheel rods, two rear wheel rods, two side rods, two center-pivoted bottom rods, two center-pivoted back rods, two end-pivoted connecting plates, two connections, two front wheel assemblies, two rear wheel assemblies, and a plurality of bolts to connecting the parts together. All of the parts of the folding frame assembly are made from an impact resistant acrylonitrile-butadiene-styrene or polypropylene. The handle rods, and the front and rear wheel tubes have each unitary U-shaped and/or L-shaped connections for connecting the corresponding parts. The front and rear wheel assemblies each include two side-matched wheels.

Abstract: An adjustable baby cart handrail positioning device including an arched handrail pivotably connected between two supports by two connecting devices. Each connecting device includes a connecting member connected between a circular holder on either support and a circular block on either end of the arched handrail through respective toothed joints, a socket received in an outer hole on the circular block, a first spring retained between the connecting member and the circular holder, a second spring retained between the circular block and the socket, and a screw rod and locknut set to secure the connecting member, the first and second springs and the socket in place. Pressing the socket causes the connecting member to disengage from the circular block permitting the handrail to be rotated on the supports for adjusting its angular position.