VACUUM GRIPPER Russian patent published in 2003 - IPC

FIELD: machine engineering, possibly development of mobile microrobots for manipulating flat parts. SUBSTANCE: apparatus includes pneumatic suction device and vacuum source. The last includes pneumatic piezopump having deformed member in the form of power piezocrystal and elastic constructional member in the form of cylinder made of elastic material. In main cavity of pneumatic piezopump first and second valves are arranged. Said valves represent first and second distributing piezocrystals arranged between main cavity of pneumatic piezopump, outer cavity of pneumatic piezopump and cavity of suction device. EFFECT: lowered mass and size of vacuum gripper due to using its own vacuum source. 2 dwg