Operating rod for roller shutters, comprises upper knee joint to roller and lower end fitting with standard hexagonal shank which may be used to connect a manual crank or a cordless screwdriver

摘要

The operating rod (2) for the roller shutters has an upper knee joint to the roller and at the lower end receives a standard male hexagonal shank (13) which is gripped by means of a cylinder (10), indentations and protuberances (11) and flange (12). The standard shank may be used to attach either a manually operated crank or a cordless screwdriver which is fixed to a wall by a bracket