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

Icon_funbox Quotables

"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."

Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 460/71 - With bar (e.g., rasp bar, inclined blade)


Subclass of Class 460 - Crop threshing or separating
Definition: Subject matter including rows or columns of protrusions
No. of patents: 43
Last issue date: 01/03/2012


1    
NumberTitleIssue Date
8087982Threshing bars and combine harvester thresher formed therewith
A combine harvester threshing drum threshing bar includes a rigid, integral, unitary threshing fixture having a leading edge and an opposed trailing end, an upstream face and an opposed downstream face formed with an oblique crop deflecting surface, a threshing side...
01/03/2012
7811162Combine rotor assembly with progressive pitch element pattern
A rotor assembly for a threshing system of a combine provides effective grain threshing and separation, while doing so in a manner that conserves power and avoids usage spikes and the like, by providing at least two helical patterns of elements for threshing and sep...
10/12/2010
7771261Knife blade for a chopper of a combine harvester
A knife blade for a chopper rotor is made in at least two members that are coupled together by a web disposed at the bottom of the slot, wherein the slot is configured to receive and pass therethrough a stationary blade that extends perpendicular to the rotational a...
08/10/2010
7749054Modular separator element for a threshing system
A modular straight separator bar for a rotor for a threshing system of an agricultural combine that is mountable on a single mounting lug and interchangeable with a rasp bar at a plurality of locations on the rotor. As a result, more straight separator bars may be m...
07/06/2010
7632182Locking system for attaching a threshing and/or separating element to a rotor of a threshing system
A locking system for attaching a threshing and/or separating element to a mounting lug on a rotor of a threshing system of an agricultural combine, including a single bolt attachment with multiple points of contact between the element and the lug created by a convex...
12/15/2009
7322175Crop conditioning roller flute shape
A forage conditioner for conditioning cut crop material from a forage harvester includes a fixed bottom fluted roller carried in end housings and a top fluted roller which is pivotally mounted on the housings by a linkage pivotal relative to the housing about an axi...
01/29/2008
7285043Concave for a combine harvester
A concave for a combine harvester includes a body consisting of a grid of straight longitudinal bars arranged in a concave configuration. Each of the longitudinal bars have a leading face, a trailing face, and an upper extremity. At least one of the longitudinal bar...
10/23/2007
7207882Textured auger trough element for a tailings conveyor of an agricultural combine
A textured trough element including a concave surface having a curved profile when viewed from a longitudinal end thereof of marginally larger diametrical extent than the circular cross section of a helical tailings auger. The trough element is positionable in a bot...
04/24/2007
7201652Feeder aids on a feeder drum of a self-propelled combine harvester
A feeder drum for a self-propelled combine harvester has a feeder drum element, and a plurality of feeder aids associated with the feeder drum element and having effective surfaces which are wedge-shaped and tapered. ...
04/10/2007
7166026Stepped grate for an agricultural combine
A grate for an agricultural combine includes curved grate segments, each of which include mounting holes in at least one end segment. To provide a threshing grate, the end segments of the grate segments are offset to provide a “step”, or discontinuity in the rad...
01/23/2007
7137882Releasable segment in the working members of an agricultural harvesting machine
An agricultural harvesting machine includes a first rotating working member rotating about an axis; a non-rotating working member cooperatively associated with the first working member; and at least one releasable segment associated with the first rotating working m...
11/21/2006
7104883Straw chopper blade
A straw chopper blade comprising a flat blade defining a plane. The blade has a leading edge and a trailing edge. The leading edge is provided with a sharpened cutting edge that extends from the tip of the blade radially inward towards its mounting assembly. The lea...
09/12/2006
7059960Composite threshing element for a combine rotor
A composite threshing element, for a rotor in an agricultural harvester crop processing unit, comprising a hollow support structure with at least one outwardly extending crop engaging portion, and a forwardly extending infeed element attachment feature. The rotor co...
06/13/2006
7051865Auger flight support
An auger flight support includes a mounting portion having an arcuate concave surface adapted to be fixedly mounted around at least a portion of an outer circumferential surface of an auger shaft adjacent to a flight extending along a helical path around the shaft, ...
05/30/2006
7022013Axial flow combine harvester with adaptable separating unit
An axial flow combine harvester comprises a rotor having a separator section which can be adapted to suit different crops. Within the separator section staggered crop engaging elements are spaced from one another along a first helical crop flow path. The crop flow p...
04/04/2006
6976912Rotor for a combine harvester
A rotor for a combine harvester comprises a thresher portion to which a plurality of thresher elements are fitted for threshing the crop material and a driver portion for driving the threshed material rearwardly through the housing. Impeller blades are fitted to the...
12/20/2005
6729952Replaceable feed segment for the beater of a combine harvester
The rotary beater has a number of untwisted, flat, feeding plate segments angularly disposed about its periphery. The plates are arranged in a left-hand group and a right-hand group so oriented that they converge the crop material centrally as they feed and accelera...
05/04/2004
6672040Auger for combine header
An auger for a combine includes a central tube having an outer cylindrical surface and having a first diameter; flighting extends from the outer surface of the central tube. The flighting has an outer edge. An auger diameter is defined as the diameter ext...
01/06/2004
6561896Auger for combine header
An auger for a combine includes a central tube having an outer cylindrical surface and having a first diameter; flighting extends from the outer surface of the central tube. The flighting has an outer edge. An auger diameter is defined as the diameter ext...
05/13/2003
6494782Threshing and separating unit of axial flow combines
A combine harvester comprises a threshing and separating arrangement mounted to a main frame, which includes a generally cylindrical chamber having a generally longitudinal axis, and a separating concave assembly. The arrangement further includes a rotor ...
12/17/2002
6375564Ramp segment for a combine rotor
A rotary combine is equipped with a rotor that has a separating portion having at least one ramp segment mounted to the rotor. The ramp segments provide an inclined face that directs the grain radially outward as the ramp segments move through the crop ma...
04/23/2002
6264553Rasp bar threshing element and assembly
A threshing element for an axial flow combine comprising a chromium steel alloy rasp bar. The rasp bar is cast of chromium-moly white cast iron with an inclined front face with a slope of about 52.5°. The cast iron contains 18% to 23% chromium. The rasp ...
07/24/2001
6093099Combine row crop header auger
A crop-engaging angle member is mounted on the outer forward end of each of the crop-engaging paddles of a combine header auger to assist in conveying crop material rearwardly towards the intake end of the feederhouse of the combine....
07/25/2000
6036598Crop processing element for a rotary combine
The crop engaging element of the present invention is a hollow structure having a smooth curved convex top portion which terminates in a concave trough before extending into a radially extending lip. The hollow structure is provided with sidewalls and a r...
03/14/2000
6027407Replaceable components for combines
In a combine harvester comprising a separating device which operates by the axial flow method, a chopping device which operates by the axial flow method designed in such a way that the components of the separating rotor's chopping device can be replaced i...
02/22/2000
5913724Combine harvester
A combine harvester has a cutterbar, a feed conveyor for transporting a mowing product, a threshing mechanism arranged after the feed conveyor, a separating device arranged after the threshing mechanism and including a separating rotor provided with perip...
06/22/1999
5816911Jump ring on grain separating concave
A grain combine with an improved threshing cage surface achieves greater separation efficiency without increasing the length of the threshing section. The invention utilizes rings mounted to the interior surface of a perforated screen. The rings are trans...
10/06/1998
5254036Sectional rasp bar assemblies for combine threshing cylinders
A rasp bar assembly for a threshing cylinder includes a single backing plate for carrying a plurality of rasp bars thereacross. The rasp bars are separated by a region of discontinuity for allowing the backing plate to flex without breaking the rasp bars ...
10/19/1993
5192245Thresher elements for a combine
A thresher element adapted for securement to a combine rotor for threshing crop materials. The thresher element has a generally L-shaped configuration including first and second portions which angle away from each other. The second portion of each threshe...
03/09/1993
5083977Rasp bars for directing crop into an axial separator
An agricultural combine having a transverse threshing cylinder and a pair of axial separator units wherein the angle flighting on the rasp bars of the threshing cylinder are arranged to assist in directing the harvested crop material to the inlets of the ...
01/28/1992
4986794Rotor assembly for an axial-flow combine
An axial-flow combine with an improved rotor assembly which is configured to be less sensitive to crop material conditions. The rotor assembly includes a rotor casing with a rotor rotatably arranged therewithin. At its forward end, the rotor casing is pro...
01/22/1991
4946419Axial flow harvesting machine
An axial flow harvesting machine having at least one generally cylindrical rotor rotatably mounted within a casing and operable in conjunction with the casing to thresh and separate grain from straw material, and a plurality of mounting members provided o...
08/07/1990
4909772Concave for use with combine cylinder
A rotating cylinder having a plurality of spaced raspbars cooperates with a complementary concave in a combine to separate grain from the leafy portion of the plant. The grate-like concave is disposed below and aft of the cylinder in a closely spaced, arc...
03/20/1990
4889517Overlapping rasp bar rotor for axial flow combines
An axial flow harvesting machine having at least one generally cylindrical rotor rotatably mounted within a casing and operable, in conjunction with the casing, to thresh and separate grain from straw material, and a plurality of threshing elements provid...
12/26/1989
4796645Cylinder for combine
A rotating solid cylinder is used with a complementary concave in a combine to separate grain from the leafy portion of the plant. The solid cylinder has a plurality of raspbars spaced about its periphery and extending the length thereof, while the fixed ...
01/10/1989
4706690Crop director for a rotary combine
An axial flow combine having a foraminous cylindrical cage with a radial inlet through which crop material is fed by a feeder conveyor. The crop material is engaged by a threshing rotor having rasp bars with diagonal flanges tending to move the crop mater...
11/17/1987
4505279Staggered spiral rasp bar segments for axial flow combines
An axial flow combine harvester is disclosed wherein the threshing rotors are provided with segmented rasp bars staggered around the circumference of the rotors and spiralled with respect to the axis of rotation of the rotors. Each rasp bar segment is cir...
03/19/1985
4422463Rotor for an axial flow rotary separator
Material control elements carried by the rotor of an axial flow rotary combine separator include inclined blades as well as conventional rasp bars. The inclined blades take various forms but common features include their downstream inclination, (that is i...
12/27/1983
4266393Sesame seed harvester
Apparatus for harvesting sesame seed from sesame stalks having pods thereon and having a framekwork with the cylinder structure rotatably mounted in the framework. A concave structure is also mounted in the framework in a fixed position in the framework a...
05/12/1981
4164947Rotor for an axial flow rotary separator
The rotor of an axial flow rotary combine separator includes contiguous upstream threshing and downstream separating portions in each of which circumferentially spaced axially extending processing bars (threshing and separating respectively) are mounted. ...
08/21/1979
1    
 
Sign InRegister
Username  
Password   
forgot password?