File for filing documents in the form of individual or stapled pages inscribed with numbers and/or letters in rows and/or columns comprises a ruler sliding along a page of a document perpendicular to the edge

摘要

File (2) for filing documents in the form of individual or stapled pages inscribed with numbers and/or letters in rows and/or columns comprises two rectangular covers (14, 16) connected by a spine (6), and a device for holding the documents in the folder. A ruler (26) connected to the file has at least one straight edge (52, 54) or a marking device running parallel to two opposite sides (8, 8, 10, 12) of the cover. When the file is opened the ruler slides along a page (4) of a document perpendicular to the edge or marking device which remains parallel to the lines or columns. An Independent claim is also included for an accessory for the file consisting of a ruler. Preferred Features: The ruler or part of the ruler rotates about an axis perpendicular to the edge or the marking device.