Lock cylinder operating drive

摘要

The lock cylinder operating drive has a drive shaft (11) rotated manually via a handle (15) for operation of the lock cylinder, with a drive motor (18,19) incorporated in the handle for motorized rotation of the drive shaft for operation of the lock cylinder. The drive shaft has a drive cog (12) in engagement with the handle, with the drive motor coupled to the drive cog via a clutch (21) when supplied with current.