A vacuum lifter apparatus for lifting sheet material articles comprises an upper chassis, a modular lower suction plate supported beneath the chassis, a controller and a source of vacuum air pressure, the suction plate comprising a suction lifting surface for providing vacuum lifting pressure to said articles. The modular suction plate has plural side-by-side modules, each module providing a different portion of the suction lifting surface and having one or more air outlets, outlets of one module separate from outlets of other modules and in fluid communication with the corresponding portion of the suction lifting surface and not with different portions of the suction lifting surface. The chassis comprises at least one air outlet connected to said source of vacuum air pressure, and a plurality of separate air flow channels through the chassis. Each air flow channel has an associated air flow valve and a valve actuator.


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    Title :

    Vacuum Lifter


    Publication date :

    2017-09-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English



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