Monday, August 25, 2014

Prefabrication experiments - 27 - Liberty Inc's telescopic trailer home

The association of dwelling and mobility is rooted in nomadic cultures. Tipis and yurts epitomize the union of shelter and displacement.  These archetypes exposed the combination of quick construction, light materials, simple disassembly and uncomplicated transport. The American tradition of the covered wagon and the need for relocation during the modern era drove the modest transformation of early motorcars and eventually developed the mobile home industry. Carrying your dwelling offers the perfect paradox of linking anchorage and freedom.

The «anchored freedom» proposed by the mobile home along with the Highway system combined to encourage the leisurely discovery of post-war America. The mobile home was the flagship component of postwar leisure and helped grow the manufactured home industry. Articulated to the steel chassis and its accompanying criteria for transport, these factory made trailer-homes were the embodiment of the modern architect’s dream of factory-produced house.

Motivated by government aid and the baby boom, the industry eventually developed the double wide (two adjacent and complementary mobile sections) to compete with permanent dwellings. The advantages of a mobile chassis and a different set of building standards allowed for a different cost structure, which helped the mobile home become one of America’s most affordable housing types. Traditional aesthetics and permanent decorative appliqués such as entry canopies were all included to achieve a greater permanent feel.

Liberty Inc’s telescopic two-story trailer is a remarkable example of using technology to diversify the mobile home. In the case of the Liberty telescopic trailer, the objective was a second floor to increase floor space and its potential flexibility for a changing family structure. A patented system combining a worm shaft and worm wheel in a translating jack allowed for the relatively simple lifting and sliding of the upper envelope over the lower one. The extrusion of the upper floor once the home was set in place gave the mobile home a scale analogous to a typical two-story American shotgun house. The stair component included in the bottom section provided circulation and certainly established a spatial quality not commonly found in trailer homes.


Regularly cited, but rarely successfully applied by architects as a model that could be applied to mass housing, the mobile home industry has employed Fordisms effectively for a century.

Patent drawing from  http://www.google.ca/patents/US2862253    

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