pulling element is effected upon magnet energization or coupling uncoupling operations at low forces and under relatively quiet operation application_number US 94631292 A description a shedding device of the design here under consideration includes a kinematic connecting member 1 which interconnects pulling elements a pulley block 2 with a first disk 3 around which the connecting member 1 is guided and a second pulley 4 which is connected to the first disk 3 via web parts 5 a cord 6 which is guided around the second disk 4 and is connected to the heddle 7 for the guiding of warp threads and a restoring spring 8 which is mounted to the end of the heddle 7 the other end of the cord 6 is connected to the machine frame the shedding device includes furthermore two lifting blades which are oppositely moveable upwards and downwards two pulling elements which are moveable upwards and downwards between a lower and an upper shed position and an electrically controllable magnetic insertion device with a control device the lifting blades pulling elements and the retention device will be described in detail based on the appended drawings for the inventive embodiments of shedding devices in fig1 and 2 a first embodiment of an retention device is illustrated.