| 摘要 |
FIELD: training equipment. SUBSTANCE: reversible compound pulley has movable pulley positioned between stationary pulley and pulling cable end along course of movement of pulling cable, which is fixed on frame. Movable pulley is connected with drive, i. e. with cable pulling body, and free end of pulling cable is connected with load. EFFECT: increased efficiency and convenience, reduced metal usage and low production cost. |
