Pneumatic powered manipulator

The present invention provides a lifting mechanism (30) enabling a manipulator (10) for concentric loading, handling, lifting and/or transferring of material / object, the lifting mechanism (30) includes: a) an actuator (70) having a shaft (72) acts upon an extension (42a) of a lower acting structure (42), such that enables parallel linkages (40) to be tilted at predefined angle (?); b) a pair of parallel linkages (40) with lower acting structure (42) and upper supporting structure (44) pivotally engaged with side walls (33) of the lifting mechanism (30); said parallel linkages (40) enable to be tilted at predefined angle (?), so as to facilitate a lifting or lowering action with respect to their pivot joints; wherein the actuator (70) is controlled by a precision regulator (80), to which two pre-set pressures are controlled by first and second regulators (83 and 85) as signal to the precision regulator (80); and wherein the extension (42a) of the lower acting structure (42) is further provided with a pair of ball rollers (43) adapted to be moved along inner side walls (33) of the lifting mechanism (30).

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