Abstract: A toddler bed frame system is convertible for use with either a twin or full size bed, and includes a toddler side wall having detachable components for this purpose. A first supporting leg is connected to one end of the toddler side wall, and a toddler headboard is detachably and pivotally mounted about the first supporting leg A second supporting leg is connected to the opposite end of the toddler side wall, and a toddler footboard is detachably and pivotally mounted about the second supporting leg. A third supporting leg is connected to the opposite end of the toddler headboard, and a side rail panel is detachably and pivotally mounted about the third supporting leg. A fourth supporting leg is connected at a free end of the side rail panel. A fifth supporting leg is connected at a free end of the toddler footboard.

Abstract: A foldable stroller includes a frame, a front wheel component, and a rear wheel component; the frame includes side frames symmetrically positioned on the left and right; a multiple of cross bars are connected between the two side frames; the side frame comprises a front wheel support, a rear wheel support and a push-hold rod; the front wheel support is pin-jointed at the rear end with a sliding sleeve, which is sheathed around the rear wheel support, whose front end is rotatably connected with the front end of the push-hold rod through a rotating seat; a front support rod is pin-jointed between foreparts of the front wheel support and the rear wheel support; a rear support rod is pin-jointed between the push-hold rod and the sliding sleeve; when the frame is in an unfolding state, the sliding sleeve moves on the rear wheel support up to the highest position, and is locked by the locking mechanism on the rear wheel support; and the whole frame of the stroller is of a three-segment structure when folded, with a

Abstract: A brake system of a stroller includes a wheel axle as well as a wheel seat and a wheel hub installed on the wheel axle; a brake crank is pivot jointed with the wheel axle; the wheel hub is provided with a multiple of brake grooves along the circumference direction; the wheel seat and the brake crank are provided with two brake holes and two arc-shaped grooves corresponding to the brake grooves, respectively; the arc-shaped groove is provided on the edge with an inclined ear extruding along the axial direction; a slope of the inclined ear is provided at the higher end with a stretch of terrace; the two brake holes are provided with a brake lever, respectively, which is inserted from the arc-shaped groove and always pushes against into the brake groove under the action of a pressing spring; the two brake levers are connected with an iron ring at the inner end of the inner side of the brake crank; the iron ring is provided with a stop block installed radially corresponding to the inclined ear; the stop block is