A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
A47B63/00—Cabinets, racks or shelf units, specially adapted for storing books, documents, forms, or the like
A47B63/06—Cabinets, racks or shelf units, specially adapted for storing books, documents, forms, or the like with parts, e.g. trays, card containers, movable on pivots or on chains or belts
A47B63/065—Cabinets, racks or shelf units, specially adapted for storing books, documents, forms, or the like with parts, e.g. trays, card containers, movable on pivots or on chains or belts with trays revolving on a horizontal axis
G—PHYSICS
G06—COMPUTING OR CALCULATING; COUNTING
G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations