Patent ID: 11927008
Assignee: GRUPPO ITALTELO S.P.A.
Field: Civil engineering (Other fields)
Classification: CPC E  B | IPC E

Claim 3:
4. The extendable structure (1) according to claim 1, wherein the box-shaped body (2) comprises a first lateral wall (5) and a second lateral wall (6), in the retracted configuration of the extendable structure (1) the first lateral wall (5) and the second lateral wall (6) being placed in proximity to said at least one upright (3, 4) and laterally delimiting the box-shaped body (2) respectively defining opposite sides thereof, in said at least one at least partially extended configuration of the extendable structure (1) the first lateral wall (5) and the second lateral wall (6) being spaced with respect to said at least one upright (3, 4), wherein the foldable floor element (11) comprises a first foldable floor portion (12) and a second foldable floor portion (13) respectively engaged in proximity to opposite sides of the lower portion (3b, 4b) of said at least one upright (3, 4), a lower portion (5b) of the first lateral wall (5) being connected to one end of the first foldable floor portion (12) and a lower portion (6b) of the second lateral wall (6) being connected to one end of the second foldable floor portion (13), the spreading out of the first foldable floor portion (12) or of the second foldable floor portion (14) determining a moving away respectively of the first lateral wall (5) or of the second lateral wall (6) from said at least one upright (3, 4), the folding of the first foldable floor portion (12) or of the second foldable floor portion (13) determining an approach respectively of the first lateral wall (5) or of the second lateral wall (6) to said at least one upright (3, 4), and wherein the foldable ceiling element (14) comprises a first foldable ceiling portion (15) and a second foldable ceiling portion (16) respectively engaged in proximity to opposite sides of the upper portion (3a, 4a) of said at least one upright (3, 4), an upper portion (5a) of the first lateral wall (5) being connected to one end of the first foldable ceiling portion (15) and an upper portion (6a) of the second lateral wall (6) being connected to one end of the second foldable ceiling portion (16), the spreading out of the first foldable ceiling portion (15) or of the second foldable ceiling portion (16) determining a moving away respectively of the first lateral wall (5) or of the second lateral wall (6) from said at least one upright (3, 4), the folding of the first foldable ceiling portion (15) or of the second foldable ceiling portion (16) determining an approach respectively of the first lateral wall (5) or of the second lateral wall (6) to said at least one upright (3, 4).