Patent ID: 11891850
Assignee: TERNO SCORREVOLI S.P.A. UNIPERSONALE
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 1:
2. The movement device according to claim 1, wherein said movement device further comprises:
at least two plate-like elements, each of the plate-like elements being configured for direct attachment of one first carriage of the first pair of carriages to said first door, which is an inner door;
at least two frames with an inverted “U” cross-section, each frame being configured for direct attachment of each of the second pair of carriages to the second door, which is an outer door; and
opposite first air pistons fixed to an end of the first and second guides and/or on the first and second guides themselves along which the one or more first and second wheels or rollers of the first and second pair of carriages slide, the first air pistons engagingly providing a cushioned stop at an end stroke when selectively closing, opening and in intermediate positions of said inner and outer doors with respect to each other, said support member being fixed to at least one of the at least two frames with the inverted “U” cross-section.