Expandable structure and sequence of expansion

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

E - Fixed Constructions

04

B

20/2

E04B 1/344 (2006.01) E04B 1/343 (2006.01)

Patent

CA 1276770

Abstract of the Invention 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 downwardly to form an extension of the floor of the core section.

509525

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