by pete42 » Wed Aug 29, 2012 7:40 am
I have seen toy-haulers that had a couple different drop-down bed designs
one they used electric screwjacks to raise and lower the bed it only goes down so far not to the floor
the other one used metal arms that allowed the bed to swing up or down
it swung forward and up locking into brackets
when down it swung down and back resting on wall mounted supports.
the swinging type requires a lot of room and it still was high off the floor.
I seem to remember a home built one using a series of ropes and pullies
kinda like the ones used in a garage to hoist a bicycle up for storage.
pete