There is provided a gas-pressure type gravity compensation elevator for ascending/descending a load object, which includes a control part. The control part is adapted to selectively connect a constant-pressure gas cylinder maintained at a constant pressure according to the grasping state, to a gas cylinder for exerting a driving force in the direction of ascent on an elevating mechanism. Further, the control part is adapted to control a sum of a volumes in the gas cylinder and the constant-pressure gas cylinder such that it equals to a sum of their average volumes, every time the grasping state is changed.


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    Title :

    Gas-pressure type gravity compensation elevator


    Contributors:

    Publication date :

    2016-07-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B25J Manipulatoren , MANIPULATORS / B66C Krane , CRANES



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