PUNCHED CARD READER WITH A DRUM-SHAPED, ROTATABLE CARD MAGAZINE

摘要

A punched card reader wherein the cards are received in a horizontally arranged exchangeable carousel-type cassette which is provided, at its outer rim, with radial guide slots to be fed from above. The cards are evaluated by a contact spring set arranged below the path of rotation of the cards, which is vertically adjustable. It reads the cards successively during the periods of rest in a step-by-step reading cycle.