HARVESTING MACHINE Russian patent published in 2005 - IPC

FIELD: forestry, in particular, tree felling and logging equipment.

SUBSTANCE: harvesting machine has self-propelled chassis carrying sawing mechanism, mechanism for pushing tree from stump, gripping-and-feeding device and bunking device. Gripping-and-feeding device is positioned over the entire width of frame front part of harvesting machine of inclined longitudinal chain conveyor equipped with spring-loaded sickle-shaped grips movable along guides curved in vertical plane. Centering rollers provided with projections and helical thread are mounted on poles of bunking device, said poles being controlled by means of hydraulic cylinders. Bunking device is mounted on pole trailer. Upper ends of paired grips are interconnected by means of cables to provide for embracing of tree with looped cable and of clamp with grips during falling of tree onto conveyor.

EFFECT: increased efficiency of harvesting machine.

3 cl, 9 dwg