side support arm axle drive chain 26 the outer right side main drive shaft bearing block 27 the general area of the main drive chain power sprocket 28 the inner main drive shaft bearing block 29 and the main motor drive chain 30 in the preferred embodiment the reversible drive means 31 is a reversible dc motor with a gear reduction system 55 fig3 is a perspective view of a preferred embodiment of the reversible drive system for the invention looking from above and in front of the closet down onto the closet upper deck 58 the outside left side main drive shaft bearing block 32 and the left side support arm axle drive chain 33 are clearly visible as are the right side transfer sprocket 25 the outer right side main drive shaft bearing block 27 the main drive chain power sprocket 28 the inner main drive shaft bearing block 29 the main motor drive chain 30 and the reversible drive means 31 along with the gear reduction system 55 are also visible the power box control box 41 is also visible in the preferred embodiment this provides stepped down dc current and the control means 54 for the reversible drive means 31 to operate the invention fig4 is a perspective view of the anchor system for the side arm mounting assemblies of the invention.