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Title: Scaffolding for supporting lifting working bridges and platforms

Abstract: Scaffolding including at least: two posts (1), a lifting working bridge (2) and a lifting platform (3), said scaffolding being made of modular elements, connectable to each other in disassemblable manner, each post (1), which is triangular in cross section, being formed; by a base lattice element (7) which can rest on the ground selectively by means of wheels (15) or by feet (16) of adjustable height; and by other lattice elements (7a), each bridge (2) platform (3) having a carrying structure including; at least a carrying framework (31) supporting a motor unit (4) and a braking unit (5) mounted in correspondence of each post (1); and end lattice elements (46) and intermediate lattice elements (47a, 47b) triangular in vertical cross section, said carrying structure also supporting a front and a rear parapet (149 and 150), each made of modular elements (56), at least the parapet (150) being mounted so as to be moved to and from the other parapet (149) so as to vary the width of the walk surface (148) of the bridge (2) or platform (3).


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Inventors: Pieri, Antonio (Montebelluna, IT)

Application Number: 06/150975
Filing Date: 1980-05-19
Publication_date: 1981-10-06
Assignee: Piat, Impalcature Automatiche S.

Primary Class(es): 182/69.600 182/146, 182/131, 182/148
Other Classes: E04G1/20; E04G1/24; E04G1/00; E04G1/18; E04G7/20; E04G1/20
US Patent Ref:
2904126September, 1959Meng182/148Multiplatform scaffolds
3197178July, 1965Nietz182/63Apparatus for installing continuous rows of fluorescent lighting fixtures
3318414May, 1967Meek182/146Scaffolding
3352380November, 1967Barney182/148Scaffold with catwalks for penetrating tree foliage
3438460April, 1969Solari182/146SCAFFOLD WITH ELEVATABLE SECTION
3516512June, 1970Kupke182/141MOBILE SCAFFOLD
3548970December, 1970Hutchens182/141SCAFFOLDING AND MATERIAL HANDLING SYSTEM
3937301February, 1976Bertail182/141Trailer having a self-lifting platform
3946836March, 1976Maack182/141Elevator system having co-moving and short-length annular-belt for suspending and propelling the carriage

Other Refs: AT237875
January, 1965182/141

Primary Examiner: Machado, Reinaldo P.
Assistant Examiner:
Attorney: Staas & Halsey
Claims:
What is clai