DRAWING DEVICE Russian patent published in 1997 - IPC

FIELD: production of drawing devices. SUBSTANCE: mean to move ruler on drawing board has rollers and passing over them thread. Mean of drawing board position change for height and its inclination angle is made in the form of hinged four-linker and has friction fixer of drawing board given position and control handle. Mean for paper sheet fixation has rods with pressing heads made in the form of bent in direction of the board plate type springs. The board has through holes located according to sheets standard formats. EFFECT: improved design. 5 dwg