B42F17/00—Card-filing arrangements, e.g. card indexes or catalogues or filing cabinets
B42F17/32—Card-filing arrangements, e.g. card indexes or catalogues or filing cabinets with means for staggering cards already in the file
G—PHYSICS
G06—COMPUTING OR CALCULATING; COUNTING
G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
G06K21/00—Information retrieval from punched cards designed for manual use or handling by machine; Apparatus for handling such cards, e.g. marking or correcting
G06K21/02—Information retrieval from punched cards designed for manual use or handling by machine; Apparatus for handling such cards, e.g. marking or correcting in which coincidence of markings is sensed mechanically, e.g. by needle