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US 7,730,702 B2Granted
Belt drive for a harvesting header with a movable cutterbar
AssigneeCNH America LLC
InventorsGeert P. Mortier, Paolo Pictricola
Life of this patent
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Abstract
A header for a harvesting machine with a movable cutterbar includes a belt drive mechanism connecting a stationary pulley mounted on the frame of the header and a relatively movable pulley mounted on the movable part of the header. The belt drive mechanism includes two guide pulleys, a belt mounted along said pulleys, and a pivot assembly mounted on the auger shaft. The guide pulleys are mounted on opposite lever arms of the pivot and said belt drive mechanism further includes a tensioning mechanism.
Claims11
An extendable header for a harvesting machine, said header comprising:
- a cutterbar mounted on a movable part of the header;
- an auger mounted to an auger shaft, wherein the auger shaft mounted to a frame of the header;
- a belt drive mechanism drivingly connecting a stationary pulley mounted on the frame of the header, said belt drive mechanism further comprising two guide pulleys, a belt mounted along said pulleys, and a pivot assembly, wherein said pivot assembly is mounted on the auger shaft of the header and said guide pulleys are mounted on opposite ends of the pivot assembly, said pivot assembly being movable concurrently with the movable part of the header.
Dependencies are inferred from the claim text.