Electromechanical drive system for rotary column moving vehicle swivel door leaf

摘要

The electromechanical drive system includes a coupling designed as a self-disengaging gear coupling, reacting to a torque. A coupling element (12) is provided, coaxial to the driven shaft (15), movable compared to the work wheel (14) in an axial direction to the driven shaft. Which is coupled either in relation to rotation continuously with the driven shaft (15) and detachable across teething (12.1,14.1) with the worm wheel, or is coupled continuously with the worm wheel in relation to rotation, and is detachable with the driven shaft across teething. The teething is so designed, that with the occurrence of a torque between component parts of the coupling element (12) coupled with each other across the teething. A disengaging movement is carried out in an axial direction, and a disengagement block (17) is provided operable from the outside. Which is movable from a position blocking the axial movement of the coupling element, can be moved into a positioning releasing this axial movement.