Expandable retractable portable structure with hinged roof

Details Expandable retractable portable structure with hinged roof Expandable retractable portable structure with hinged roof

1997-07-28

1999-07-13

Friedman, Carl D.

Static structures (e.g., buildings)

Barrier or major section mounted for in situ repositioning;...

Telescoping sub and main enclosures

52 795, 52 68, 52 66, 296 26, 296171, E04B 1346

Patent

active

059210338

ABSTRACT:
An expandable retract able portable structure is provided having a stationary portion and a movable portion. The movable portion pivotally encloses the stationary portion in the retracted configuration. A hydraulic, pneumatic or gear driven actuator carried by the floor of the stationary portion co-operates with a linkage mechanism to rotate the movable portion through approximately 90.degree. to the expanded position. The roof of the movable portion is hingedly connected to one wall. The unit expands or retracts in one single pivoting motion through approximately 90.degree..

REFERENCES:
patent: 4078341 (1978-03-01), Peterson et al.
patent: 4546578 (1985-10-01), Behrmann
patent: 4603518 (1986-08-01), Fennes
patent: 4706420 (1987-11-01), Winkler
patent: 5265394 (1993-11-01), Gardner
patent: 5546709 (1996-08-01), Decker et al.
patent: 5815988 (1989-10-01), Molina

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