Non-parallel four-bar linkage for suspending an agricultural implement header

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7958707
APP PUB NO 20100192534A1
SERIAL NO

12760081

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A suspension system for agricultural implements having at least one floating head using a four-bar linkage and permitting the floating head to accommodate variations in ground surface elevation in a lateral or transverse direction. By permitting the floating head to float, a more consistent cutting height is realized when ground surface elevation varies in a transverse direction. A main frame is provided to which the ground engaging wheels are attached. A sub-frame is connected to the main frame via the four-bar linkage and the linkage arms of the four-bar linkage are not parallel to one another as viewed from above. The linkage arms of the four-bar linkage are pivotally attached to the main frame and sub-frame by spherical bearings.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
VERMEER MANUFACTURING COMPANYPELLA, IA243

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bentzinger, Rustin V Pella, US 19 162
Bollinger, Shane A Leighton, US 16 99
Thompson, Kent L Otley, US 18 148

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (4)
4345873 Material handling vehicle 12 1980
5193330 Agricultural reaping or haying machine 16 1990
* 5918451 Dual lifting system for rotary hay raking machine 12 1997
6698113 Decelerating fluid actuator for snowplows and other heavy machinery 10 2003
 
KOMATSU DRESSER COMPANY, E. SUNNYSIDE 7TH ST., LIBERTYVILLE, IL., A GENERAL PARTNERSHIP UNDER THE UNIFORM PARTNERSHIP ACT OF THE STATE OF DE (1)
4351397 Vibrating ripper 16 1980
 
CRIDER, GRANT W. (1)
5566536 Mower-conditioner platform suspension including single upper arm and hydraulic cylinder for platform lift 25 1995
 
AGCO CORPORATION (2)
6588513 Articulating hitch assembly 13 2000
* 6238170 Agricultural implement trailer 27 2000
 
MACDON INDUSTRIES LTD. (1)
5157905 Support linkage for mounting a header on a support frame 43 1991
 
SHELDON/VAN SOMEREN, INC. (1)
5743020 Three-axis continuous probe 11 1996
 
Hay & Forage Industries (2)
4676053 Quick adjust flotation apparatus for a crop harvester 19 1985
5566535 Remote header angle adjustment mechanism for swing-tongue harvesters 29 1995
 
MASKINFABRIKEN TAARUP A/S (1)
5337544 Mower conditioner 24 1992
 
DEERE & COMPANY (6)
6186043 Cushion hydraulic cylinder 17 1999
6250055 Suspension for a mowing unit 18 1999
6758031 Cutting angle adjustment for mowing heads 30 2002
7024844 Agricultural bi-mower with cantilever beam suspension 20 2004
7047714 Tongue swing cylinder arrangement for rotary side-pull mower-conditioner 18 2005
7370460 Drawn cotton picker 8 2006
 
Anderson; Jack F. (1)
4518043 Tool apparatus with control to move tool when object approached 108 1982
 
YETTER MANUFACTURING COMPANY (1)
4858698 Weight transfer linkage arrangement 14 1988
 
CROSS MANUFACTURING, INC. (1)
2004/0035,288 Cushioned hydraulic cylinder 11 2002
 
TRANSPACIFIC INFORMATION, LLC (2)
2002/0027,612 Spatio-temporal channel for images 41 2001
2002/0027,612 Spatio-temporal channel for images 41 2001
 
BLUE LEAF I.P., INC. (4)
4724661 Two piece crop harvesting header and flotation mechanism therefor 69 1986
4723401 Steerable wheel assembly for unitized rakes 42 1986
6360516 Two stage hydraulic tongue swing mechanism 28 2000
6662540 Method and apparatus for controlling pivotal movement of the tongue of a harvesting machine 15 2002
 
VERMEER MANUFACTURING COMPANY (4)
6655118 Suspension system 23 2002
7596935 Suspension system for a floating header on an agricultural implement 21 2007
7658056 System for folding an agricultural machine with a floating work tool 13 2007
2009/0107,100 CUSHIONED SWING CYLINDER FOR AGRICULTURAL MOWER 3 2007
 
CNH AMERICA LLC (1)
4599852 Adjustable leaf spring suspension for flexible cutterbar 41 1985
 
Kuhn S.A. (20)
4723396 Mower 42 1986
4719742 Mowing machine 48 1987
4848069 Mower 26 1987
4970848 Mower with release safety device 19 1990
5107663 Farm machine having a deformable suspension mechanism 51 1990
5060462 Mower having a lightening mechanism 62 1990
5094063 Mower including a group of working elements extending crosswise to a direction of advance at work 48 1990
5417042 Farm machine with improved load-lightening and lifting device 38 1993
5357737 Mower having a device for driving processing rollers of the mower 43 1993
5992133 Agricultural machine for harvesting plant matter, with two conditioning units 26 1997
6055800 Agricultural cutting machine comprising an improved suspension device for the cutting mechanism 25 1998
6125619 Implement or machine comprising a working unit articulated to a carrying structure, and method of articulation 12 1998
6085501 Automatic adjusting for lightening a machine working unit: method, device and machine 27 1998
* 6345490 Agricultural machine including a locking mechanism for preventing a double-rod ram from rotating around its longitudinal axis 11 1999
6269619 Mower with a centralized device for adjusting the lightening force exerted on the harvesting mechanism 19 1999
6308504 Device for treating cut fodder and mower employing such a treatment device 15 2000
6381935 Cutting machine comprising a cutting device connected to a chassis by means of an improved connecting device 18 2000
6907719 Agricultural implement comprising a transporting device 19 2003
2006/0248,870 Machine for gathering products such as grass 18 2004
2007/0144,130 Hay-harvest machine provided with a hinged frame 11 2004
 
ERGOTRON, INC. (1)
5738316 Vertical work center 100 1995
 
PEIRCE WELDING & FABRICATING, INC. (1)
5203154 Hay rake and merger 45 1991
 
AHWI MASCHINENBAU GMBH (1)
6347504 Vehicle with a working device, especially with a chopping device 6 2000
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
VERMEER MANUFACTURING COMPANY (4)
* 8261521 Self-leveling four-bar linkage for suspending a header of an agricultural implement 1 2009
* 2011/0047,948 Self-Leveling Four-Bar Linkage for Suspending a Header of an Agricultural Implement 7 2009
8333058 Self-leveling four-bar linkage for suspending a header of an agricultural implement 0 2012
8511049 Self-leveling four-bar linkage for suspending a header of an agricultural implement 0 2012
 
KUHN NORTH AMERICA, INC. (2)
* 8402730 Multi-axis floating merger suspension 0 2009
* 2009/0241,503 MULTI-AXIS FLOATING MERGER SUSPENSION 12 2009
 
BLUE LEAF I.P., INC. (2)
* 8528308 Disc mower with folding wing frame 3 2010
* 2011/0173,940 DISC MOWER WITH FOLDING WING FRAME 3 2010
* Cited By Examiner

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