STAMP BACK FOR MOUNTING REPLACEABLE PRINTING LETTERS Russian patent published in 2000 - IPC

FIELD: office equipment. SUBSTANCE: stamp back is made from flexible material and has dovetail-shaped mounting rollers, closed rectangular or curved restricting frames whose ends define stamp surface. Mounting rollers are formed as wavy lines or closed curved lines, concentric or single, arranged all together or apart, or in other combination. Restricting frames are extending along back perimeter or in some parts of back restricting frames are positioned apart or together. Rectangular mounting rollers are arranged on back in groups of equal or differing length, with groups of mounting rollers being oriented in parallel or perpendicular relation or at an angle one to the other. EFFECT: wider operational capabilities, convenient operation and simplified construction. 3 cl, 3 dwg