Holder for sheet with drawing on it, clamping rail of which has at least one holding projection at binding hole position for sheet

摘要

The holder has a clamping bar (2) to receive the edge of one or more sheets between two clamping rails bounding a cavity on the inside. One of the clamping rails (11, 12) has at least one holding projection (4) projecting into the cavity (14) at a binding hole position (15) for the sheet. There may be at least one such projection on the lower rail.