Cutting apparatus

A - Human Necessities – 01 – D

Patent

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A01D 34/83 (2006.01) A01D 34/38 (2006.01)

Patent

CA 1088318

CUTTING APPARATUS ABSTRACT OF THE DISCLOSURE: A combine header has a transverse platform carrying a cutting apparatus. An elongated auger having reverse spiral flights move cut material along the platform to a feed housing. The cutting apparatus has a base carrying forwardly projected guards located on two-inch longitudinal centers. An endless chain carrying knife blades is trained about sprockets located adjacent opposite ends of the base. The knife blades are located on three-inch longitudinal centers. The forward run of the chain moves through a passage in a housing secured to the base behind the guards. The knife blades move over the wear plates attached to the guards to cut material located between the guards. A removable inverted U-shaped insert is located in the passage providing a bearing surface for the front run of the chain and a hold-down lip bearing on the knife blades to hold the blades in close relationship with the wear plates. A hydraulîc motor connected to a hydraulic pressure source drives the chain to move the knife blade relative to the guards.

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