DRAWING TABLE Russian patent published in 1998 - IPC

FIELD: drawing equipment. SUBSTANCE: drawing table has body, drawing board coupled to body through pivotal parallelogram whose one link is made immovable, drawing board balancing device and device for retaining links of parallelogram in predetermined relative position. Body has pair of cheeks fixed on base. Two links are arranged in vertical position and two links in horizontal position, with vertical and lower horizontal links being arranged between cheeks. One vertical link is rigidly connected with base and cheeks. Upper horizontal link has two planks interconnected through bracket carrying drawing board. Desk is mounted on free end of bracket so that its inclination angle may be changed. Lower horizontal link is formed as lever passed through slots in vertical links. Drawing board balancing device made in the form of pedal is mounted on lever end. Device for retaining in predetermined relative position is made in the form of arced through slots in body cheeks. Pin is inserted through arced slots to connect free vertical and lower horizontal links of parallelogram. Stop arms are screwed on ends of pin. Upper ends of cheeks carry strip, on which drawing tools and accessories holder is mounted for motion and rotation. Holder has guide and slide mounted on guide. Box with receptacles is fixed on free end of slide. Body base is formed as equilateral octagon and drawing board is made circular. EFFECT: simplified construction and improved convenience. 2 cl, 4 dwg