Un-manned self-service system for return and or exchange of deposit products, especially gas bottles, has a locking system that only allows removal of a full bottle after a returned bottle has been locked in place

摘要

Self-service system for deposit products has an outlet and exchange station with a lock that is designed to allow removal of a new product if return fastening devices on the return fixing arrangement are fixed or its lock is fixed. A return prevention device is provided to prevent renewed release of the return fixing device.