Automatic device for the repetition of additive or subtractive machine operations for a business machine, in particular for a cash register or a booking machine

摘要

A mechanism in a business-orientated machine for repeating a machine operation a predetermined number of times, which number is controlled by a key on the keyboard, the mechanism including an automatic cycle control mechanism which controls the position of a key-representing rack member during consecutive machine operations, and a sequence control mechanism which is controlled by the automatic cycle control mechanism for operating the machine through the predetermined number of cycles of operation.