Reverse-transport system for information-carrying bands

Claim 1

A STRIP PERFORATOR, COMPRISING A HOUSING; FORWARDDRIVE MEANS AND REVERSE-DRIVE MEANS IN SAID HOUSING SELECTIVELY ENGAGEABLE WITH A PERFORATABLE BAND FOR DISPLACING SAME IN MUTUALLY OPPOSITE DIRECTIONS, SAID BAND BEING PERFORATED UPON FORWARD TRANSPORT THEREOF; PUNCHING MEANS ON SAID HOUSING FOR APPLYING A CORRECTIVE OVERPERFORATION TO SAID STRIP UPON A REVERSE TRANSPORT THEREOF; AND MANUALLY CONTROLLED ACTUATING MEANS FOR INITIALLY DECOUPLING SAID FORWARD-DRIVE MEANS FROM SAID BAND AND COUPLING SAID REVERSE-DRIVE MEANS THEREWITH FOR THE REVERSE TRANSPORT OF SAID BAND AND SUBSEQUENTLY OPERATING SAID PUNCHING MEANS, SAID ACTUATING MEANS INCLUDING TIME-DELAY MEANS CONNECTED WITH SAID PUNCHING MEANS AND AN ACTUATING MEMBER FOR ENERGIZING SAID TIME-DELAY MEANS SIMULTANEOUSLY WITH THE COUPLING OF SAID REVERSEDRIVE MEANS WITH SAID BAND FOR OPERATING SAID PUNCHING MEANS UPON THE ELAPSE OF A TIME PERIOD DETERMINED BY THE DELAY TIME OF SAID TIME-DELAY MEANS; SAID ACTUATING MEANS FURTHER COMPRISING RELAY MEANS ENERGIZABLE UNDER THE CONTACT OF SAID TIME-DELAY MEANS AND CIRCUIT MEANS CONNECTING SAID RELAY MEANS WITH SAID REVERSE-DRIVE MEANS AND SAID PUNCHING MEANS; SAID DRIVE MEANS INCLUDING RESPECTIVE DRIVE WHEELS COAXIALLY MOUNTED FOR ROTATION IN OPPOSITE SENSED, A SPROCKET WHEEL ENGAGEABLE WITH SAID BAND AND ELECTRO-MAGNETICALLY OPERABLE CLUTCH MEANS FOR SELECTIVELY COUPLING SAID SPROCKET WHEEL WITH SAID DRIVE WHEELS, SAID RELAY MEANS BEING PROVIDED WITH FIRST NORMALLY OPEN CONTACT MEANS FOR INITIATING A DELAY CYCLE OF SAID TIME-DELAY MEANS AND WITH SECOND NORMALLY OPEN CONTACT MEANS FOR ENERGIZING SAID CLUTCH MEANS UPON ENERGIZATION OF SAID RELAY MEANS.