Crank drive for manual operation of hangings and sunblind in roller shutters, has drive shaft at end of crank, particularly cracked handle, where articulated connection of adjacent lug is actively connected with fixed and enclosed hooks

摘要

The crank drive has a drive shaft at an end (5) of a crank, particularly cracked handle, where a joint carrier is provided with an articulated connection to a gearbox at another end (6) for driving a winding shaft. The articulated connection of an adjacent lug is actively connected with fixed and enclosed hooks (1).