Patent
   D624939
Priority
Dec 11 2009
Filed
Dec 11 2009
Issued
Oct 05 2010
Expiry
Oct 05 2024
Assg.orig
Entity
unknown
30
37
n/a
The ornamental design for a helical concave, as shown and described.

FIG. 1 is a front right perspective view of the helical concave showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top right perspective view thereof; and,

FIG. 7 is a top left perspective view thereof.

Ricketts, Jonathan E., Flickinger, Wayne T., Farley, Herbert M., Werning, Joshua D.

Patent Priority Assignee Title
10390490, Mar 05 2014 Concaves for an agricultural combine
10412895, Aug 02 2017 Kondex Corporation Multi-thresh concave section for rotary combine
10440893, Mar 05 2014 Concaves for an agricultural combine
11317566, Jun 23 2017 THRASHMASTER COMBINES, LLC Universal threshing concave for an agricultural combine
11497171, Jun 26 2018 Kondex Corporation Concave with adjustable openings
12075730, Dec 28 2017 Offset concave threshing bars
8313361, Dec 11 2009 BLUE LEAF I P , INC Helical bar concave
8454416, Sep 09 2011 CSM CORP Concave with an array of longitudinally notched spaced apart threshing elements
8690652, Aug 15 2012 CSM CORP Longitudinally notched threshing element for an agricultural combine threshing concave
9119349, Dec 21 2012 BLUE LEAF I P , INC Concave with crop guidance features
9504204, Mar 05 2014 Removable concave threshing bars for an agricultural combine
9723791, Mar 05 2014 Concaves for an agricultural combine
9723792, Mar 05 2014 Concaves for an agricultural combine
D687659, Sep 06 2012 Kondex Corporation Rounded concave insert
D735772, Dec 21 2012 BLUE LEAF I P , INC Concave insert
D846456, Jun 13 2016 BOMAG GmbH Air grille for construction vehicle
D901546, Dec 05 2017 Adjustable concave cover plate
D919672, Feb 14 2019 Agri Systems, Inc. Cover panels for dual rotary raking machine
D949208, Oct 07 2020 Combine harvester concave threshing bar
D949930, Dec 28 2017 Combine harvester concave threshing bar
D954759, Feb 14 2019 Combine harvester concave threshing bar
D969879, Dec 28 2017 Combine harvester concave threshing bar
ER1784,
ER4528,
ER4538,
ER4877,
ER5659,
ER9216,
ER966,
RE46401, Sep 09 2011 CSM CORP Concave with an array of longitudinally notched spaced apart threshing elements
Patent Priority Assignee Title
1570898,
2321019,
2771077,
3034513,
4075823, Jul 14 1976 BLUE LEAF I P , INC Combine harvester
4306572, Jul 24 1980 BLUE LEAF I P , INC Axial flow stripper plate
4383652, Apr 20 1981 BLUE LEAF I P , INC Shredbar apparatus
4497328, Sep 15 1983 Combine concave
4499908, Apr 01 1982 Combine concave structure
4988326, Mar 15 1990 Deere & Company Concave grid inserts
5024631, May 06 1989 Claas Ohg Combine harvester
5057056, Nov 23 1990 Concave guide for a combine harvester
5472147, Apr 07 1993 Comminuting machine with comminution grates
5613907, Sep 22 1995 Deere & Company Lightweight concave having removable grids
5816911, Dec 30 1996 Deere & Company Jump ring on grain separating concave
6193604, Jul 07 1999 Deere & Company Concave for an agricultural combine
6447394, Nov 26 1999 CNH America LLC; BLUE LEAF I P , INC Axial flow combine separator upper guide cover with fin pitch angle
6485364, Nov 26 1999 BLUE LEAF L P , INC Removable concaves for axial flow combines
6500063, Nov 26 1999 BLUE LEAF L P , INC Discharge means for a threshing and separating unit in a combine harvester
6503142, Feb 14 2000 CNH America LLC; BLUE LEAF I P , INC Concave locking member for a rotary combine
6530833, Feb 14 2000 CNH America LLC; BLUE LEAF I P , INC Transversely adjustable concave assembly for a rotary combine
6537148, Jun 15 2000 CLAAS Selbstfahrende Erntemaschinen GmbH Grain separating apparatus including step-like webs
7059961, Jan 12 2004 BLUE LEAF I P INC Apparatus and method for effecting movement and clearance spacing of a concave
7118475, Jan 12 2004 BLUE LEAF I P INC Mechanism and method for automatically transversely positioning the pinch-point of a concave
7166026, Jul 22 2004 BLUE LEAF I P , INC Stepped grate for an agricultural combine
7226355, Jan 12 2004 BLUE LEAF I P INC Mechanism and method for automatically transversely positioning the pinch-point of a concave
7285043, Feb 03 2004 Concave for a combine harvester
20020005034,
20020077162,
20050176483,
20050197176,
20060019731,
20060160587,
20070178951,
20080293462,
20090264169,
20100018177,
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 11 2009CNH America LLC(assignment on the face of the patent)
Jan 25 2011CNH America LLCBLUE LEAF I P , INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0256910639 pdf
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule