is this like what might be known as a tent camper in these parts?
or maybe it is even hard-sided rather than fabric
i have one from long ago and it is not possible to camp in
some campgrounds in yellowstone due to bears

http://www.goburcaravans.co.uk/
http://www.rvsales.co.uk/?frameload=http://www.rvsales.co.uk/rvs/foldingcaravans.asp
http://www.folding-caravans.co.uk/
http://freespace.virgin.net/stones.ukp/Portafold_caravan.htm
http://freespace.virgin.net/stones.ukp/casita_folding_caravan.htm

the trailer tenst i see in this site are totally
different that the "tent trailer" i have
it is called a Comfy Camper and was made in Omaha in the 60's