BELT TRANSMISSION Russian patent published in 2000 - IPC

FIELD: mechanical engineering. SUBSTANCE: belt transmission may be used transmissions with flexible links. It has driving pulley 1, at least one driven pulley and tensioning device. Tensioning device includes first lever 2 with roller 3 of belt driving branch 4 secured to it and second lever 5 with roller 6 of belt driven branch 7 attached to it. Mechanical coupling 10 for transmission of force couples levers to each other from tension of belt driving branch 34 to driven branch 7. Driven pulley of transmission may be used as roller. EFFECT: simplified construction, enhanced efficiency. 2 cl, 2 dwg