Stalk roll with flutes defining a recess

摘要

One embodiment of a stalk roll to be mounted upon a stalk roll drive shaft of a corn harvesting header comprises a cylindrical shell with a recess in the main cylinder, wherein reduced flutes are not present in the recess, but full flutes are present therein. This embodiment includes a stalk slot having a length equal to the length of the recess. Additionally, the flutes may be configured such that a stalk engagement gap is present at least once during a full revolution of two opposing stalk rolls.

主权项

1. A stalk roll for a corn head row unit, said stalk roll comprising:
a. a main cylinder having a central longitudinal axis, wherein an exterior surface of said main cylinder is formed with a radial cross-sectional shape that is generally circular, wherein said main cylinder is formed with a recess on a front portion thereof, and wherein said recess is a section of an exterior surface of a cylinder having a diameter less than a diameter of said main cylinder, a plurality of reduced flutes extending along the length of said main cylinder from a rear portion of said main cylinder to the rear-most portion of said recess; b. a nose cone affixed to said front portion of said main cylinder adjacent said recess, wherein said nose cone is positioned in front of said recess; and, c. a plurality of flutes extending radially from said main cylinder, wherein each flute is substantially parallel to the central longitudinal axis of said stalk roll.