An extendable, load-bearing structure has a main structure and a driving element. The main structure has at least one driving arm. The driving element is placed in connection with the driving arm to drive the extendable, load-bearing structure between first and second positions. The extendable, load-bearing structure has a lock mechanism, and a supporting structure. The supporting structure has at least one supporting arm that is shorter than the driving arm of the main structure. The supporting arm has at least two supporting-arm elements which are connected to each other by joints. The supporting-arm elements of the supporting arm are substantially in line when the extendable, load-bearing structure is in its second position. The lock mechanism is arranged to releasably lock the supporting-arm elements of the supporting arm in position when these are in line.
EXTENDABLE, LOAD-BEARING STRUCTURE AND A METHOD FOR ERECTING AN EX¢ TENDABLE, LOAD-BEARING STRUCTURE
AUSZIEHBARE, LASTTRAGENDE STRUKTUR UND VERFAHREN ZUM AUFBAU EINER AUSZIEHBAREN, LASTTRAGENDEN STRUKTUR
STRUCTURE PORTEUSE DE CHARGE EXTENSIBLE ET PROCÉDÉ POUR ÉRIGER UNE STRUCTURE PORTEUSE DE CHARGE EXTENSIBLE
17.03.2021
Patent
Elektronische Ressource
Englisch
IPC: | F16M Rahmen, Gehäuse oder Grundplatten von Kraftmaschinen oder anderen Maschinen oder von Apparaten, nicht auf eine besondere Art von Maschine oder Apparat eingeschränkt, die anderweitig vorgesehen ist , FRAMES, CASINGS, OR BEDS, OF ENGINES OR OTHER MACHINES OR APPARATUS, NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUS PROVIDED FOR ELSEWHERE / E04G SCAFFOLDING , Baugerüste / B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last |
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