the one in the first picture was a park model. The tipouts were designed to be tipped out then screwed to the trailer body. They were NOT meant to be used as a standard travel trailer moved from campground to campground. The current form of slideout showed up in the late 80's with the BAL cable system. A nightmare of a system that broke constantly.

Those are not slide outs- they are actually tip out rooms.I know a friend with a 1996 trailer and it had a electric slide out. When I toured the Fleetwood factory, in July 1996, they where talking about the "New" slide-outs in the Bounders. They had only been installing them for a few years. So perhaps 1993 - 1994?Back in 1983, another friend had a trailer for sale, it had a pair of tip outs. You had to lift them manually into the large "window" in the side of the RV, and this is covered with canvas while driving. Not exactly ideal. Not exactly "Water Tight" on a windy and raining day of driving. Come to think of it, my buddy at work traded in his 1969 manufactured home that also had a tip out. To have power to the receptacles, you have a cord in the tip out wall, and it plugs into a receptacle near the tip out hole. Plugging in this wire would supply power to all the wall receptacles inside the tip out walls, and run the light power too.Fred.

During WW2 there were command post and shop trailers with full length slideouts on both sides, roughly doubling the contained volume of the transportable unit. Not the same push button tech of today's RVs but the same principle. I would not be surprised if someone found something yet earlier.

Frederick W. Follett (Patented in 1921) was busy working on an “expansible body for automobiles and other vehicles,” a state-of-the-art touring car hybrid which employed two lateral slides and a vertical slide thus allowing the vehicle interior to be converted into sleeping quarters when camping. A dresser, wardrobe and other storage compartments - to house the requisite clothing, food and cooking utensils - were provided at the rear of the vehicle along with a hot and cold water tank, toilet, kerosene stove, ice box and, remarkably, a hinged bathtub that could be lowered when needed thus making this a true camping vehicle in every sense. In car entertainment was provided by a phonograph and a small library which you could enjoy inside the vehicle or, alternatively, you could deploy the two roof awnings either side of the vehicle and sit outside.Concept......'Extensicar', patented in 1924 by John and Mary Purdey of Wolverhampton, UK. A rack-and-pinion mechanism operated by a handle at the rear of the caravan wound out extensions on both sides of the body. (Caravan was a towed trailer)D H Morgan built a caravan in 1937 for the actor Claude Dampier which boasted four slide-outs, two each side to the front and the rear of the wheel arches.Claude Dampier (1939/1940?) commissioned a motorhome from Carlight that boasted such features as hot-and-cold running water, mains electrics, radio, a battery fed by a trickle charger and dual gas/electric lighting. The body sports a 'west wing' slide-out and may have had the equivalent on the other side.Unfortunately the depression and then WWII halted productions on those that went from concept to production.Slideouts made a come back in 1990 when Newmar patented their power slideouts used in their MHs & FWs

For the RV industry, manual slide outs with manual slide out frame supports began in the early 1980's (mainly on large park model trailers). Tip outs, as shown in your picture showed up in the mid 70's. Electric slides arrived in the late 80's early 90's in class A motor homes and then in travel trailers in the mid 90's .... slides have evolved and improved over the years, our trailer has opposing slides that open up the entire center of or trailer for that residential feel. Lou

When did slide outs first show up? | Good Sam Community

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Golden_HVAC
Explorer
Dec 07, 2013
Those are not slide outs- they are actually tip out rooms.

I know a friend with a 1996 trailer and it had a electric slide out. When I toured the Fleetwood factory, in July 1996, they where talking about the "New" slide-outs in the Bounders. They had only been installing them for a few years. So perhaps 1993 - 1994?

Back in 1983, another friend had a trailer for sale, it had a pair of tip outs. You had to lift them manually into the large "window" in the side of the RV, and this is covered with canvas while driving. Not exactly ideal. Not exactly "Water Tight" on a windy and raining day of driving.

Come to think of it, my buddy at work traded in his 1969 manufactured home that also had a tip out. To have power to the receptacles, you have a cord in the tip out wall, and it plugs into a receptacle near the tip out hole. Plugging in this wire would supply power to all the wall receptacles inside the tip out walls, and run the light power too.

Fred.

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When did slide outs first show up?

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