U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Multi-tier crop residue flow guide for an agricultural combine

Patent 6602131 Issued on August 5, 2003. Estimated Expiration Date: Icon_subject December 12, 2021. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

1695532

2626159

3186460

3232627

Straw chopper and spreader assembly
Patent #: 4526180
Issued on: 07/02/1985
Inventor: Scott ,   et al.

Chaff spreader for combine harvester
Patent #: 4591102
Issued on: 05/27/1986
Inventor: Clarke

Straw chopper and spreader assembly
Patent #: 4735216
Issued on: 04/05/1988
Inventor: Scott ,   et al.

Straw chopper and spreader assembly
Patent #: 4892504
Issued on: 01/09/1990
Inventor: Scott, et al.

Straw spreader for a combine harvester and method of spreading
Patent #: 5021030
Issued on: 06/04/1991
Inventor: Halford, et al.

Material spreading apparatus
Patent #: 5215500
Issued on: 06/01/1993
Inventor: Kirby

More ...

Inventor

Assignee

Application

No. 015356 filed on 12/12/2001

US Classes:

460/111, STRAW CHAFF SPREADER OR HANDLING (DISCHARGE)460/901MATERIAL DISTRIBUTOR

Examiners

Primary: Will, Thomas B.
Assistant: Petravick, Meredith

Attorney, Agent or Firm

Foreign Patent References

  • 0212337 EP. 03/13/1987
  • 1078566 EP. 08/13/2012

International Class

A01F 012/00

Abstract

A mult-tier crop residue flow guide for a rotary crop residue spreader of an agricultural combine including an element disposed in a housing and rotatable in a predetermined direction about an axis which is oriented horizontally or at a small acute angle to horizontal for driving a flow of crop residue through a discharge opening of the housing located at a predetermined angular position around the axis, the flow guide including at least two guide surfaces or tiers having inlet ends disposed in at least generally axially side by side relation adjacent to the discharge opening in position for directing portions of the flow of crop residue in generally the predetermined direction radially outwardly.

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