Threshing and separating device and combine harvester having the same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 4, 2016
Grant Date -
Aug 27, 2015
app pub date -
Feb 20, 2015
filing date -
Feb 24, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A threshing and separating device comprises a first threshing and separating mechanism, a second threshing and separating mechanism, and an intermediate feeding mechanism therebetween. The first threshing and separating mechanism comprises a first cylinder in a form of a toothed rod and a first concave in a form of a wire-grate, and a surface of the first concave facing the first cylinder is provided with no part protruding into a tip circle of threshing teeth of the first cylinder; the second threshing and separating mechanism comprises a second cylinder in a form of a toothed rod and a second concave in a form of a wire-grate, and a surface of the second concave facing the second cylinder is provided with no part protruding into a tip circle of threshing teeth of the second cylinder; the second cylinder comprises a forced feeding portion located at front end thereof and comprising a truncated cone and helical blades on the truncated cone; and a toothed-rod cylinder portion located behind the forced feeding portion and comprising a plurality of second rods parallel to the rotation axis of the second cylinder and uniformly arranged in a circumferential direction thereof, and each second rod is provided with a plurality of second threshing teeth.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2015 Application Filing Year
- A01F Class
- 200 Applications Filed
- 167 Patents Issued To-Date
- 83.50 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 5 Citation Count
- A01F Class
- 4.88 % this patent is cited more than
- 9 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Apr 4, 2028 |
