Expandable structure and sequence of expansion

Details Expandable structure and sequence of expansion Expandable structure and sequence of expansion

1993-07-19

1994-09-13

Friedman, Carl D.

Static structures (e.g., buildings)

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

52 71, E04B 1346

Patent

active

053457307

ABSTRACT:
An expandable structure has a core structure which may be expanded on a selected side into a composite structure incorporating the core structure and a contiguous expanded section. The selected sidewall of the core structure rotates up to become the roof of the expanded section. The sidewall, endwalls and floor section of the expanded section are hinged to the frame of the core structure and stacked vertically against the selected sidewall/roof but do not take up significant floor space within the core section. Expansion is accomplished by power beams housed within the roof and subflooring of the core structure. The sequence of expansion includes the steps of (a) rotating the selected sidewall/roof to a horizontal position as the roof of the expanded section by power beams housed within the roof of the core section; (b) driving the sidewall of the expanded section outwardly by power beams housed within the subflooring of the core structure; (c) driving the endwalls outwardly; and (d) rotating the floor of the expanded section downardly to form an extension of the floor of the core section.

REFERENCES:
patent: 2368936 (1945-02-01), McGehee
patent: 2395691 (1946-02-01), Smith
patent: 2568009 (1951-09-01), Johnson
patent: 2634462 (1953-04-01), Graven
patent: 2832637 (1958-04-01), Decosse
patent: 2860384 (1958-11-01), Wait
patent: 2965413 (1960-12-01), Barnes
patent: 3778100 (1973-12-01), Dillard
patent: 3811723 (1974-05-01), Anderson
patent: 4534141 (1985-08-01), Fagnoni

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