Abstract: A tensioning bar assembly for a drive system of an agricultural machine includes a longitudinal bar having a top end, a bottom end, and a threaded portion. An attachment device is coupled to the top end to attach to a tensioning arm. A compression spring is located around a portion of the longitudinal bar. A first spring retainer engages with and retains a first end of the spring. A first locking nut fits to the threaded portion of the bar and retains the first spring retainer longitudinally in place relative to the bar. The longitudinal bar is rotationally freely coupled to the attachment device to permit free axial rotation of the bar about its longitudinal axis relative to the attachment device, and an engagement head is attached to and located at or proximate the bottom end of the longitudinal bar for engagement with a tool.

Abstract: A tensioning bar assembly for a drive system of an agricultural machine includes a longitudinal bar having a top end, a bottom end, and a threaded portion. An attachment device is coupled to the top end to attach to a tensioning arm. A compression spring is located around a portion of the longitudinal bar. A first spring retainer engages with and retains a first end of the spring. A first locking nut fits to the threaded portion of the bar and retains the first spring retainer longitudinally in place relative to the bar. The longitudinal bar is rotationally freely coupled to the attachment device to permit free axial rotation of the bar about its longitudinal axis relative to the attachment device, and an engagement head is attached to and located at or proximate the bottom end of the longitudinal bar for engagement with a tool.

Abstract: A tensioning bar assembly for a tensioning assembly of a drive system of an agricultural machine includes a longitudinal bar having a top end, a bottom end, and a threaded portion. An attachment device is coupled to the top end to attach to a tensioning arm. A compression spring is located around a portion of the longitudinal bar. A first spring retainer engages with and retains a first end of the spring. A first locking nut fits to the threaded portion of the bar and retains the first spring retainer longitudinally in place relative to the bar. The longitudinal bar is rotationally freely coupled to the attachment device to permit free axial rotation of the bar about its longitudinal axis relative to the attachment device, and an engagement head is attached to and located at or proximate the bottom end of the longitudinal bar for engagement with a tool.

Abstract: A tensioning bar assembly for a tensioning assembly of a drive system of an agricultural machine includes a longitudinal bar having a longitudinal axis, a top end, and a bottom end. An attachment device is attached to the top end of the longitudinal bar. A compression spring has first and second ends, and is located around a portion of the longitudinal bar. A first spring retainer engages with and retains the first end of the spring. The longitudinal bar has a bolt section, and the bolt section has a threaded portion, an engagement head, and a sleeve section. The sleeve section includes an internally threaded hollow section for receiving the bolt section. The sleeve section is fixed and rotationally attached to the attachment device.

Abstract: A combine harvester including a frame and two axial-flow crop processing rotors mounted to the frame. An inner support structure is located between the two rotors and mounted to the frame by a first linkage. Two outer support structures are located outboard of the two rotors and mounted to the frame by respective second and third linkages. The inner support structure and two outer support structures carry first and second pluralities of concave grate segments at a radial distance from the respective rotors. A concave adjustment system includes a first actuator coupled to the first linkage which is configured to raise and lower the inner support structure. A second actuator is coupled to the second and third linkages and is configured to raise and lower the two outer support structures. The first linkage includes a first rockshaft mounted to the frame and aligned perpendicular to the rotation axis.

Abstract: A tensioning bar assembly for a tensioning assembly of a drive system of an agricultural machine includes a longitudinal bar having a top end, a bottom end, and a threaded portion. An attachment device is coupled to the top end to attach to a tensioning arm. A compression spring is located around a portion of the longitudinal bar. A first spring retainer engages with and retains a first end of the spring. A first locking nut fits to the threaded portion of the bar and retains the first spring retainer longitudinally in place relative to the bar. The longitudinal bar is rotationally freely coupled to the attachment device to permit free axial rotation of the bar about its longitudinal axis relative to the attachment device, and an engagement head is attached to and located at or proximate the bottom end of the longitudinal bar for engagement with a tool.

Abstract: A tensioning bar assembly for a tensioning assembly of a drive system of an agricultural machine, including a longitudinal bar having a longitudinal axis, a top end and a bottom end, an attachment device attached to the top end of the longitudinal bar, a compression spring having first and second ends, the spring located around a portion of the longitudinal bar, and a first spring retainer for engaging with and retaining the first end of the spring, where the longitudinal bar has a bolt section, and the bolt section has a threaded portion, an engagement head, and a sleeve section, and the sleeve section includes an internally threaded hollow section for receiving the bolt section, and the sleeve section is fixed and rotationally attached to the attachment device.

Abstract: A combine harvester including a frame and two axial-flow crop processing rotors mounted to the frame. An inner support structure is located between the two rotors and mounted to the frame by a first linkage. Two outer support structures are located outboard of the two rotors and mounted to the frame by respective second and third linkages. The inner support structure and two outer support structures carry first and second pluralities of concave grate segments at a radial distance from the respective rotors. A concave adjustment system includes a first actuator coupled to the first linkage which is configured to raise and lower the inner support structure. A second actuator is coupled to the second and third linkages and is configured to raise and lower the two outer support structures. The first linkage includes a first rockshaft mounted to the frame and aligned perpendicular to the rotation axis.

Abstract: A combine harvester including an axial flow crop processor fed by a tangentially impelling feed beater mounted for rotation on a substantially transverse axis, and a multi-speed beater drive system that includes a beater shaft upon which the beater is mounted via bearings to permit relative rotational movement, and a secondary shaft arranged parallel to the beater shaft. To achieve a first beater drive speed a first drive path is closed between the beater shaft and the beater. To achieve an alternative, second beater drive speed a second drive path is closed between the secondary shaft and the beater. Both the beater shaft and the secondary shaft are driven simultaneously during operation.

Abstract: A combine harvester including an axial flow crop processor fed by a tangentially impelling feed beater mounted for rotation on a substantially transverse axis, and a multi-speed beater drive system that includes a beater shaft upon which the beater is mounted via bearings to permit relative rotational movement, and a secondary shaft arranged parallel to the beater shaft. To achieve a first beater drive speed a first drive path is closed between the beater shaft and the beater. To achieve an alternative, second beater drive speed a second drive path is closed between the secondary shaft and the beater. Both the beater shaft and the secondary shaft are driven simultaneously during operation.

Abstract: A work vehicle includes a frame having opposed compartments to receive a lubricating liquid for providing lubrication to a corresponding motor-powered chain drive. The chain drive is usable to drivingly move a continuous track or a set of wheels for moving the work vehicle. The continuous track and the set of wheels are interchangeably receivable by the frame, the frame remaining virtually identical whether receiving the continuous track or the set of wheels.

Abstract: A door escape includes a hinge member securable to a door pivotably movable between an open position and a closed position relative to an enclosure. A first securing device secures the hinge member to the door. The first securing device is manually removable from the hinge member from exterior of the enclosure, permitting removal of the door from the enclosure. A second securing device secures the hinge member to the door. The second securing device is manually removable from the hinge member from interior of the enclosure, permitting removal of the door from the enclosure.

Abstract: A work vehicle includes a frame having opposed compartments to receive a lubricating liquid for providing lubrication to a corresponding motor-powered chain drive. The chain drive is usable to drivingly move a continuous track or a set of wheels for moving the work vehicle. The continuous track and the set of wheels are interchangeably receivable by the frame, the frame remaining virtually identical whether receiving the continuous track or the set of wheels.

Abstract: A steering and engine speed control mechanism for operating a vehicle. The control mechanism has a control handle mounted on the vehicle. The control handle is configured to deflect about an axis by movement of an operator's hand. A steering direction of the vehicle is related to a deflection angle of the control handle about the axis. An actuating element for changing the speed of the engine of the vehicle is attached to the control handle and is conveniently movable by an operator's digit to a plurality of positions to effect the desired speed of the engine.

Abstract: A steering and engine speed control mechanism for operating a vehicle. The control mechanism has a control handle mounted on the vehicle. The control handle is configured to deflect about an axis by movement of an operator's hand. A steering direction of the vehicle is related to a deflection angle of the control handle about the axis. An actuating element for changing the speed of the engine of the vehicle is attached to the control handle and is conveniently movable by an operator's digit to a plurality of positions to effect the desired speed of the engine.

Abstract: A steering and engine speed control mechanism for operating a vehicle. The control mechanism has a control handle mounted on the vehicle. The control handle is configured to deflect about an axis by movement of an operator's hand. A steering direction of the vehicle is related to a deflection angle of the control handle about the axis. An actuating element for changing the speed of the engine of the vehicle is attached to the control handle and is conveniently movable by an operator's digit to a plurality of positions to effect the desired speed of the engine.