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Class Information
Number: 111/57
Name: Planting > Drilling > Frame and planting-element arrangement > Sectional main frame > Extensible
Description: Devices wherein the sections of the main frame having capacity of movement to each other resulting in an enlargement of frame to cover increased area of ground.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7210538 |
Center pivot wing flotation method and apparatus |
May. 1, 2007 |
| 7073604 |
Hydraulic holding cylinder for wing lift mechanism |
Jul. 11, 2006 |
| 7051663 |
Pivoting planting units vertically |
May. 30, 2006 |
| 6935254 |
Split seed hoppers for seed on demand seeding machine |
Aug. 30, 2005 |
| 6920941 |
Adjustable grass treatment apparatus |
Jul. 26, 2005 |
| 6860335 |
Front folding agricultural implement |
Mar. 1, 2005 |
| 6761228 |
Locking wing lift mechanism for farm implements |
Jul. 13, 2004 |
| 6684962 |
Folding agricultural implement |
Feb. 3, 2004 |
| 6666155 |
Planter with centrally mounted coulter apparatus |
Dec. 23, 2003 |
| 6502645 |
Folding agricultural implement frame |
Jan. 7, 2003 |
| 6408950 |
Foldable implement frame and hitch |
Jun. 25, 2002 |
| 6293352 |
Telescoping hitch for planting implement |
Sep. 25, 2001 |
| 6213034 |
Planter apparatus and method |
Apr. 10, 2001 |
| 6206105 |
Forwardly folding tool bar |
Mar. 27, 2001 |
| 6205937 |
Folding planter frame |
Mar. 27, 2001 |
| 6082467 |
Tool bar |
Jul. 4, 2000 |
| 6076613 |
Forwardly-folding agricultural implement |
Jun. 20, 2000 |
| 6035942 |
Full truss tool bar |
Mar. 14, 2000 |
| 5647440 |
Forward-folding, winged, implement frame |
Jul. 15, 1997 |
| 5577563 |
Stack-folding toolbar with floating wings |
Nov. 26, 1996 |
| 5346019 |
Agricultural implement with common mechanism for raising/lowering and rotating a lift frame about a vertical axis |
Sep. 13, 1994 |
| 5063728 |
Apparatus for mounting a row unit for lateral movement |
Nov. 12, 1991 |
| 5062489 |
Folding agricultural implement |
Nov. 5, 1991 |
| 5025616 |
Hayrake hitch and method of use |
Jun. 25, 1991 |
| 4945997 |
Folding agricultural implement |
Aug. 7, 1990 |
| 4721168 |
Agricultural implement with raisable lift frame rotatable about vertical axis |
Jan. 26, 1988 |
| 4664202 |
Folding implement frame for grain drills and the like |
May. 12, 1987 |
| 4529040 |
Folding agricultural implement with structure for locking tool bar sections |
Jul. 16, 1985 |
| 4461356 |
Planting implement with end segments rearwardly pivotal to form quadrilateral structure |
Jul. 24, 1984 |
| 4445706 |
Tandem hitch apparatus |
May. 1, 1984 |
| 4432292 |
Floating planter |
Feb. 21, 1984 |
| 4368003 |
Foldable farm implement with single port hopper-feeding auger |
Jan. 11, 1983 |
| 4296695 |
Seeding device with air distribution system |
Oct. 27, 1981 |
| 4172537 |
Spreader for granular fertilizer and chemicals |
Oct. 30, 1979 |
| 4137852 |
Forwardly foldable toolbar |
Feb. 6, 1979 |
| 4137853 |
Folding grain drill drive including seed dispensing clutch actuated by tensioning pully on ground drive |
Feb. 6, 1979 |
| 4117893 |
Agricultural tool bar |
Oct. 3, 1978 |
| 3982773 |
Folding frame structure for agricultural implements |
Sep. 28, 1976 |
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