The threshing apparatus 6 includes a threshing chamber 11 into which the crops are introduced, a threshing drum 12 that is provided in the threshing chamber 11 so as to rotate with the threshing drum axial center in the front-rear direction of the threshing chamber 11 serving as the rotation center, and which threshes the crops introduced into the threshing chamber 11, and a receiving net 13 provided in the outer periphery of the lower part of the threshing drum 12. The receiving net 13 is divided into a plurality of divided receiving net bodies 13A in the front-rear direction, the plurality of divided receiving net bodies 13A are operated to adjust, for each of the plurality of divided receiving net bodies, the interval S in the radial direction of the threshing drum 12 between the divided receiving net body 13A and the threshing drum 12.

A combine harvester threshing drum threshing bar includes a threshing fixture including a leading edge, an opposed trailing end, a top threshing side, including a trailing threshing face that extends between the trailing end and the corner and a leading threshing that inclines downwardly from the corner to the leading edge to form a wedge in the threshing fixture, an opposed bottom threshing drum emplacement side, a first bore and a second bore. The first bore includes a first hole open to trailing threshing face that enlarges a second hole open to the threshing drum emplacement side. The second bore includes a third hole open to leading threshing face that enlarges a second hole open to the threshing drum emplacement side.

A combine harvester threshing drum threshing bar includes a threshing fixture including a leading edge, an opposed trailing end, a top threshing side, including a trailing threshing face that extends between the trailing end and the corner and a leading threshing that inclines downwardly from the corner to the leading edge to form a wedge in the threshing fixture, an opposed bottom threshing drum emplacement side, a first bore and a second bore. The first bore includes a first hole open to trailing threshing face that enlarges a second hole open to the threshing drum emplacement side. The second bore includes a third hole open to leading threshing face that enlarges a second hole open to the threshing drum emplacement side.

A rotor and cage assembly includes a skeleton of curved spaced-apart side members affixed to laterally extending upper and lower spaced-apart members therebetween and surrounding the rotor. One of the curved spaced-apart side members is terminated with curved fingers. Three concave inserts insert laterally into the skeleton spanning 270° around the rotor. One of the concave inserts carries straight fingers that interlace between the skeleton side member curved fingers. A control assembly of plates having arcuate slots placed at 3 of the pivots of the skeleton assembly, 3 control bars connected to the skeleton pivots, and an actuator is connected separately to each control bar at one end effect arcuate rotation of the control bars resulting in the synchronized rotation of the arcuate slotted plates so that the interlaced straight fingers move closer together or farther apart with the fixed skeleton assembly curved fingers for different types of grain.

A combine harvester threshing drum spiked threshing bar includes a rigid, integral, unitary threshing fixture having a leading edge, a trailing end, an upstream face, a downstream face, a threshing side, including a trailing threshing face and a leading threshing face, a threshing drum emplacement side, and a threshing spike that extends outwardly from the leading threshing face.

A combine harvester threshing drum spiked threshing bar includes a rigid, integral, unitary threshing fixture having a leading edge, a trailing end, an upstream face, a downstream face, a threshing side, including a trailing threshing face and a leading threshing face, a threshing drum emplacement side, and a threshing spike that extends outwardly from the leading threshing face.

A threshing and separating system for an agricultural harvester includes a concave having a plurality of perforations; a rotor having an outer surface and at least partially enclosed by the concave; and a plurality of rasp bars connected to the outer surface of the rotor, each rasp bar having a working surface defining a working angle relative to a tangent of the outer surface. At least one of the rasp bars is an adjustable rasp bar with an adjustable working surface pivotably coupled to the rotor. The system further includes an actuator coupled to the adjustable rasp bar and configured to selectively pivot the adjustable working surface to adjust the working angle of the adjustable rasp bar.

A threshing and separating system for an agricultural harvester includes a concave having a plurality of perforations; a rotor having an outer surface and at least partially enclosed by the concave; and a plurality of rasp bars connected to the outer surface of the rotor, each rasp bar having a working surface defining a working angle relative to a tangent of the outer surface. At least one of the rasp bars is an adjustable rasp bar with an adjustable working surface pivotably coupled to the rotor. The system further includes an actuator coupled to the adjustable rasp bar and configured to selectively pivot the adjustable working surface to adjust the working angle of the adjustable rasp bar.

A first threshing section 15 and a second threshing section 16 are provided. The first threshing section 15 includes a first threshing drum 17 that rotates about a left-right-oriented axis, and the second threshing section 16 includes a second threshing drum 28 that rotates about a body front-rear-oriented axis. The second threshing drum 28 includes a rotary support shaft 29 extending along a front-rear direction, a plurality of rod-shaped frame bodies 30 that are arranged side by side extending along the front-rear direction and at and interval in the peripheral direction, radially outward of the rotary support shaft 29, and threshing teeth 31 attached to the frame bodies 30.

A first threshing section 15 and a second threshing section 16 are provided. The first threshing section 15 includes a first threshing drum 17 that rotates about a left-right-oriented axis, and the second threshing section 16 includes a second threshing drum 28 that rotates about a body front-rear-oriented axis. The second threshing drum 28 includes a rotary support shaft 29 extending along a front-rear direction, a plurality of rod-shaped frame bodies 30 that are arranged side by side extending along the front-rear direction and at and interval in the peripheral direction, radially outward of the rotary support shaft 29, and threshing teeth 31 attached to the frame bodies 30.