They made them for quite a awhile. The one i had was super light weight thats why i bought it. 900 lbs IIRC. It was a "pop up" model. had a crank like a tent trailer to lift the roof.
1990 Jayco 250 Special
2008 Ram 5500 DRW 6.7, Cummins, Aisin auto
Holland/Binkley 5th wheel, Reese Dual Cam, and more
232,500 kms in 2013
200,000 kms in 2014
160,000 kms in 2015