Static structures (e.g. – buildings) – Barrier or major section mounted for in situ repositioning;... – Roof movable as entity relative to its substructure
Patent
1979-11-28
1982-06-01
Leppink, James A.
Static structures (e.g., buildings)
Barrier or major section mounted for in situ repositioning;...
Roof movable as entity relative to its substructure
52 69, 296173, E04B 1346
Patent
active
043321151
ABSTRACT:
A folding, rigid caravan with assisted erection. A base is carried by a chassis defined by a floor and four lower panels, each of which has an upper edge. Two upper end panels and two upper sidewall panels are provided pivotal about the horizontal axes and disposed respectively either substantially horizontally within the upper opening of the base or substantially vertically as extensions of the corresponding lower panel when the caravan is folded or erected. Each upper panel has a thickness, side edges and two faces defining the thickness. A roof rests horizontally either on the base or on the upper panels, respectively, when the caravan is folded or fully erected and is movably associated with the upper panels by rollers engaging in guideways. At least one uni-directional extensible erecting element is provided connected to the base and to an upper panel to urge the upper panel to pivot permanently in a caravan unfolding direction. Each erecting element is disposed permanently at least partly within the thickness of the panels defining the caravan concealed from the outside and inside. Each erecting element in the erecting position is within a space defined by an upper horizontal edge of a lower panel, a side edge of the upper panel perpendicular to the lower panel, and the two faces of the upper panel parallel to the lower panel when the caravan is erected.
REFERENCES:
patent: 2656216 (1953-10-01), Bobroff
patent: 3024059 (1962-03-01), Hagenson
patent: 3194251 (1965-07-01), Petersen
patent: 3286414 (1966-11-01), Harrison
patent: 3317239 (1967-05-01), Tantlinger
patent: 3709551 (1973-01-01), McCarthy
patent: 3826056 (1974-07-01), Smith
patent: 3941414 (1976-03-01), Platt
Leppink James A.
Raduazo Henry E.
Societe Anonyme: Esterel Caravanes
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