A pantograph-type lifting system comprises a base; a platform connected to the base by a pair of levers each comprising a first lever and a second lever mutually hinged in a fulcrum, the first lever having a lower end hinged to the base, and an upper end sliding connected to the platform, the second lever having a lower end sliding connected to the base, and an upper end hinged to the platform in a fixed spot; a chain-type actuating system of the levers comprising one chain meshed with a first toothed pulley and with a second toothed pulley rotatable connected to the respective levers, the chain-type actuating system being configured to transfer the motion from motor means to the levers through the toothed pulleys in order to approach or move away the ends of the levers with a scissors-like movement to lift or lower the platform.
Pantograph-type lifting system
30.07.2024
Patent
Elektronische Ressource
Englisch
IPC: | 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 / A61G TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS , Transport, persönliche Beförderungsmittel, oder Lagerung besonders ausgebildet für Kranke oder Behinderte / B60P Fahrzeuge zum Transport von Lasten oder zum Befördern, Tragen oder Aufnehmen besonderer Lasten oder Gegenstände , VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS |
Multifunctional high-speed pantograph auxiliary pantograph lifting device
Europäisches Patentamt | 2020
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