the two right hinge assemblies 2 towards each other as shown by the arrows of fig4 afterplacing their associated wheel assemblies 1 in the horizontal position toreach the position best shown in fig5 then pushing the two left hinge assemblies 2 towards each other as shown by the arrows of fig6 afterplacing their associated wheel assemblies 1 in the horizontal position toreach the position best shown in fig7 all the handle positioning slides 16 not shown for clarity are lifted up to the position best shown by the handle positioning slide 16 at the right side of fig4 and the left handle 6 and the right handle 7 are pushed down as best shown bythe semicircular arrows of fig2 to the position shown in fig3 with theleft handle 6 being placed on top of the right handle 7 as best shown by fig9 fig4 is a right side view of the invention as shown in fig1 with the left handle 6 and its two associated handle positioning slides 16 thefour left handle posts 8 the two left hinge assemblies 2 with their associated wheel assemblies 1 almost all of which would appear as invisible lines are not shown for clarity and with them being shown bestby a left side view of the invention as shown in fig1 by fig6 shown are the two right hinge assemblies 20 held in place by studs 10 and having associated wheel assemblies 1 with wheel assemblies swivel pins 23 the four right handle posts 28 are shown attached to the right endpanel 5 the right handle 7 is shown in vertical position with the handle positioning slide slide 16 at the right shown in the position just prior to being placed in position.