VERSATILE CHAIN-TYPE FINGER RAKE Russian patent published in 1996 - IPC

FIELD: agricultural engineering. SUBSTANCE: rake has frame with hitch, side supporting feeler wheels, flexible endless members with two sections pivotally fixed on frame and provided with springy fingers. Each flexible member embraces driving and driven pulleys, with pulleys rotating in opposite directions. Central carrier wheel is mounted on frame and provided with mechanism for regulating vertical position of carrier wheel. Flexible members are driven by tractor. Each section of flexible member is fixed on frame by pivot joint, whose axis is aligned with axis of respective driven pulley. EFFECT: reduced metal usage, simplified transportation across country roads and enhanced reliability in operation. 3 cl, 3 dwg