Antriebsvorrichtung für eine Greifeinrichtung

摘要

The drive comprises two swivel motors, each having a cylindrical tube section. The tube section on its inner wall has a section with an inner thread. The section engages with a section of the swivel shaft which is provided with an outer thread. The tube section is an annular piston which is axially slidable in the cylindrical chamber formed in the housing. The piston is fixed against rotation.