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

Claim 2:
3. The extendable structure (1) according to claim 1, also comprising at least one element for aiding movement (21), such element engaged at or in proximity to the lower end (5b, 6b) of said at least one lateral wall (5, 6), said at least one element for aiding the movement (21) being configured for facilitating the movement of said at least one lateral wall (5, 6) away from said at least one upright (3, 4) in the step of opening the extendable structure (1) and closer to said at least one upright (3, 4) in a step of closing the extendable structure (1)—aimed to determine the transition of the extendable structure (1) from said at least one at least partially extended configuration or from a completely extended configuration to the retracted configuration.