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US 5,042,973 AGranted
Straw cutter
OwnerPer-Ake Hammarstrandinventor
Life of this patent
Estimating the term…
Abstract
A straw cutter for a combine has a rotatable rotor (11), counterknives (13) and knife arms (12) which pass between the counterknives. To increase the blowr action of the rotor and to thereby improve the distribution of disintegrated straw, the knife arms have a V- or arch-shaped cross section.
Claims16
A cutter, comprising:
- an apparaus housing;
- a rotatable rotor disposed in the housing, and having a rotation axis;
- a plurality of counterknvives in the housing and disposed in at least one row parallel to the rotation axis;
- a plurality of knife arms arranged around the rotor at spaced apart locations and rotatable along with the rotor, the knife arms and the rotor being so placed, sized and shaped that the knife arms pass between the counterknives in the row thereof when the rotor is rotated, the knife arms having a longitudinal direction and being bent in a cross section across the knife arms from a longitudinal centerline thereof and tapered along the longitudinal direction.
1 more element
Dependencies are inferred from the claim text.