A chain and slat conveyor with first and second continuous chains and a plurality of slats. Each slat is connected to the first chain by a keyhole connection and to the second chain by a bolt or rivet which passes through a hole in the slat.

A chain and slat conveyor with first and second continuous chains and a plurality of slats. Each slat is connected to the first chain by a keyhole connection and to the second chain by a bolt or rivet which passes through a hole in the slat.

A harvester capable of autonomous travel in a field includes: a harvesting unit that harvests a crop from the field; a conveyance device that conveys, toward the rear of a harvester body, a whole culm of the harvested crop harvested by the harvesting unit; a detection sensor that detects a drive speed of the conveyance device; and a clog determining unit that determines a clog of the harvested crop in the conveyance device on the basis of the drive speed. The clog determining unit outputs a vehicle stop command that stops the harvester body when the drive speed becomes lower than a pre-set first threshold during the autonomous travel.

A harvester capable of autonomous travel in a field includes: a harvesting unit that harvests a crop from the field; a conveyance device that conveys, toward the rear of a harvester body, a whole culm of the harvested crop harvested by the harvesting unit; a detection sensor that detects a drive speed of the conveyance device; and a clog determining unit that determines a clog of the harvested crop in the conveyance device on the basis of the drive speed. The clog determining unit outputs a vehicle stop command that stops the harvester body when the drive speed becomes lower than a pre-set first threshold during the autonomous travel.

A combine harvester includes a feederhouse mounted to a chassis. The feederhouse is adapted at a front end to support a crop gathering header in a manner that places a front inlet in communication with a discharge opening of the header. The feederhouse defines a crop conveying passage and includes a chain and slat conveyor arranged in the passage to convey a crop stream rearwardly from the front inlet over a floor. A longitudinally-aligned ridge is provided on the floor for dividing the crop stream.

A combine harvester includes a feederhouse mounted to a chassis. The feederhouse is adapted at a front end to support a crop gathering header in a manner that places a front inlet in communication with a discharge opening of the header. The feederhouse defines a crop conveying passage and includes a chain and slat conveyor arranged in the passage to convey a crop stream rearwardly from the front inlet over a floor. A longitudinally-aligned ridge is provided on the floor for dividing the crop stream.

Disclosed is a combine harvester (1) comprising, a crop material conveyor (2) arranged to convey harvested crop material (3) in a conveying direction (CD) towards a threshing apparatus (4). The threshing apparatus (4) comprising a thresher plate (5) and a rotating thresher (6) arranged to rotate around a thresher rotation axis (7) 5 extending in a transverse direction in relation to the conveying direction (CD). The thresher plate (5) partly encircles the rotating thresher (6) such that the harvested crop material (3) is beat against the thresher plate (5) by the rotating thresher (6). An apex (8) of the crop material conveyor is arranged above the thresher rotation axis (7), so that the harvested crop material (3) is deposited to the threshing apparatus (4) from 10 above the thresher rotation axis (7).

An inclined conveyor for a combine harvester has two drive elements which define a conveying direction and revolve in a conveying duct. Conveying duct is divided into an overshot return duct and an undershot conveying duct by a separating element situated between the upper run and the lower run of the drive element. Drive element is interconnected by carriers situated transversely with respect to conveying direction that convey harvested crop in undershot conveying duct. The difference in speed between the carrier bars and harvested crop stream is eliminated, and at least reduced, by additional acceleration of harvested crop stream. Carrier bars serve as carriers, and as acceleration elements for the harvested crop. That is because the cross section of each of the carrier bars viewed in conveying direction, occupies at least 30% of the smallest internal cross section of undershot conveying duct.

An inclined conveyor for a combine harvester has two drive elements which define a conveying direction and revolve in a conveying duct. Conveying duct is divided into an overshot return duct and an undershot conveying duct by a separating element situated between the upper run and the lower run of the drive element. Drive element is interconnected by carriers situated transversely with respect to conveying direction that convey harvested crop in undershot conveying duct. The difference in speed between the carrier bars and harvested crop stream is eliminated, and at least reduced, by additional acceleration of harvested crop stream. Carrier bars serve as carriers, and as acceleration elements for the harvested crop. That is because the cross section of each of the carrier bars viewed in conveying direction, occupies at least 30% of the smallest internal cross section of undershot conveying duct.

An assembly for rotating a chain or toothed belt includes a shaft and a sprocket rotatably mounted on the shaft. The sprocket includes a plurality of teeth configured to engage the chain or toothed belt. The assembly further includes a shield assembly covering at least a portion of the sprocket. The shield assembly has an interior groove formed therein defining an enclosed interior space. Each of the teeth of the sprocket rotate through the enclosed interior space during a full rotation of the sprocket.