Quotables
"One of the greatest labor saving inventions of today is tomorrow!"
Vincent T. Floss
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.
| Number | Title | Issue Date |
| 7111566 | Seed planter including vertical positioner with locking member A seed planting assembly is provided having a plurality of planting units supported by a tool bar, each of which being operable to form a seed trench in soil, plant seeds in the seed trench, and close the seed trench. Each planting assembly is supported by the tool ... | 09/26/2006 |
| 7025009 | Element of an agricultural machine comprising an adjustable ballasting device A working element of an agricultural machine mounted on a substantially horizontal beam by a linking structure comprising at least one upper arm and at least one lower arm, the working element being subjected on one hand to a depth control force directed toward the ... | 04/11/2006 |
| 6647904 | Lockup assembly for a planting unit A planting unit lockup assembly extends between upper and lower links of a parallelogram linkage. A lockup link is pivotally coupled to the upper link and extends downwardly to the lower link. The lockup link is also provided with a slot having a hook. A ... | 11/18/2003 |
| 6578642 | Rear mounted attachment with single acting cylinder A trailing attachment for a deep tillage implement is supported from the implement frame by transversely spaced four-bar linkages extending rearwardly from the frame. Single acting hydraulic cylinders are pressurized to lift and adjust the attachment. A b... | 06/17/2003 |
| 6135037 | Lifting mechanism for a seeding machine row cleaner A suspension for a row cleaner associated with a furrow opener in a seeding machine includes a lifting mechanism to lift the row cleaner when the furrow opener is lifted. The lifting mechanism includes a bell crank having an input crank arm coupled to the... | 10/24/2000 |
| 6068061 | Soil zone-builder coulter closer/tiller with vertical response mechanism and shank head An apparatus and method for tilling a seedbed with a soil manipulation device comprising a tilling shank for forming a groove in the soil followed a pair of coulter blades for closing the groove and a rear finishing device such as a rolling basket for fur... | 05/30/2000 |
| 5970892 | Trash cleaning structure for a furrow opening device A shallow-toothed clearing disk pivotally supported from the upper end of the opener drawbar assembly. A four bar linkage is connected to the forward end of the drawbar by a bracket which includes at least one link and corresponding pivot structure locate... | 10/26/1999 |
| 5878678 | Trash cleaning structure for a furrow opening device A pair of angled disks supported by a four bar linkage from the upper end of the opener drawbar assembly clears trash from a narrow area in front of the opener. The four bar linkage has a virtual center located on or close to the center of the opener disk... | 03/09/1999 |
| 5797460 | Straight bar tillage implement A tillage implement includes straight bar ripper structure with a main forward toolbar supporting subsoiler shanks from special brackets which can also support coulters ahead of the shanks independently of additional toolbar structure. An optional rear or... | 08/25/1998 |
| 5794711 | Ground following opener apparatus A ground following opener is provided which includes a support frame, a parallelogram arrangement pivotably attached to the support frame, a tyne shank supported by the parallelogram arrangement and an opener supported at a free end of the tyne shank.... | 08/18/1998 |
| 5715892 | Leveling harrow The harrow includes a series of sleeves each having a plurality of teeth and telescoped non-rotatably over a rod which is rotatably journaled by laterally spaced bearings supported by mounting arms which, in turn, are attached to a tool bar. The teeth rol... | 02/10/1998 |
| 5704430 | Ground driven row cleaning apparatus An improved row cleaning apparatus to selectively clean away residue from conservation tilled fields without cultivation of the soil. When mounted on tractor-drawn implements, including planters, the cleaning action of the present invention improves depth... | 01/06/1998 |
| 5697455 | Adjustment mechanism for row unit accessory An adjustment mechanism for an agricultural row unit accessory, such as residue wheels for a planter row unit, includes an assembly for mounting the residue wheels in front of a leading coulter on the row unit. A cam, mounted to the residue wheel assembly... | 12/16/1997 |
| 5685245 | Planter unit A planter row unit having a frame with a first unitary rigid plate and structure for attaching a soil engaging component in an operative position on the first unitary rigid plate and first structure cooperating between a towing frame that is movable in a ... | 11/11/1997 |
| 5676211 | Adjustable tunnel shield structure A relatively short tunnel shield is connected to a light weight floating arm including a first tube telescopingly received within a second tube. Multiple holes in the double tube arm allow optimum positioning of the shield relative to a ground engaging el... | 10/14/1997 |
| 5669451 | Adjustable guide rig structure for an agricultural implement A floating row crop cultivator rig is supported behind a rigid guide tire. A guide wheel standard straddles a bracket which mounts the forward end of a rig parallel bar linkage to a toolbar. A tool support depends from the aft end of the parallel bar link... | 09/23/1997 |
| 5669452 | Blade plow with vertically reciprocating blades A blade plow preferably formed by three frame sections hingedly coupled together includes a ground or terrain contour following mechanism within each frame section. The contour mechanism allows the middle blade to be raised and lowered to maintain the ent... | 09/23/1997 |
| 5640914 | Debris manipulating and clearing assembly for clearing crop residue from soil An apparatus and process for manipulating and clearing crop residue or other debris from a zone of soil before tilling the zone of soil to form a seedbed. The apparatus may be attached to the tool bar of a farm implement and includes a pair of fingered wh... | 06/24/1997 |
| 5601147 | Agricultural rig pressure adjustment with overcenter toggle Down pressure structure for providing an adjustable down force on a rig of row crop implement such as a cultivator includes an overcenter toggle connected to the rig for pivoting about a toggle axis between a first and second positions. The toggle has a p... | 02/11/1997 |
| 5555824 | Operator controlled pressure applicator for the furrow forming mechanism of a seed planter A mounting mechanism is disclosed for use in association with a row unit having a furrow forming apparatus as an integral part thereof. A linkage arrangement is provided for mounting the row unit to a tool bar of a tractor or the like thus allowing the fu... | 09/17/1996 |
| 5544709 | Down pressure spring adjustment A series of notches are provided in the upright plates on one end of a parallel bar linkage connecting a cultivator rig or planter assembly to a tool bar. Coil springs are tensioned between the opposite end of the linkage and a rod and trunnion assembly t... | 08/13/1996 |
| 5529128 | High speed row crop cultivator The row crop cultivator includes a cultivation unit (10) with a unit frame (12) attached to a tool bar (21) by parallel links (28 and 34). The unit frame (12) is supported by a pair of gauge wheels (14 and 16). A disk coulter (18) is mounted on the unit f... | 06/25/1996 |
| 5461995 | Rotary row cleaner with reversible spring A planter includes a pair of toothed wheels which sweep mulch away from the path followed by furrow opening discs. The sweeper wheels are carried on the trailing end of a parallel bar linkage attached to a tool bar by which the planter is pulled. As a res... | 10/31/1995 |
| 5398771 | Grain Drill A grain drill is disclosed having a folding frame for parallel operation and a parallel link system that controls the tension to earth openers in order to produce relatively constant downward pressure for the openers. The grain drill includes a rotating t... | 03/21/1995 |
| 5163518 | Down force adjustment and lift for an opener supported from a frame by lift arms A plurality of parallel arm type openers are mounted on a frame tube, and a rockshaft is supported directly below the tube. Adjacent each of the openers, a lever arm is fixed for rotation with the rockshaft and, upon rotation of the rockshaft in a first d... | 11/17/1992 |
| 5054559 | Soil-working machine for plants grown in rows A cultivator for such crops as beets, maize, potatoes, etc., planted in rows. A machine frame can be mounted on the three-point hitch of a tractor. Several chopping tools mounted on it, can be detached from tool holders, and are rotated on vertical shafts... | 10/08/1991 |
| 4974683 | Ridge tillage attachment for planters A ridge tillage attachment includes springs associated with a linkage which guides a tool and wheel support beam for vertical movement, the springs being mounted within the linkage envelop to provide a compact arrangement and being operative to apply requ... | 12/04/1990 |
| 4905770 | Shield assembly for a cultivator Shield assemblies that are designed to be used with cultivators are disclosed. Shields are mounted to the assembly such that they are laterally rigid but vertically retractable. The shield assembly includes a paralleogram linkage system with a torque bar,... | 03/06/1990 |
| 4846084 | Leveling linkage for planter units A leveling linkage is provided on a planter unit of a planter implement. Each planter unit includes a leveling spring for supporting a back end of the plant unit in its raised, transport position. The leveling linkage is connected to a mounting bracket an... | 07/11/1989 |
| 4834189 | Row crop cultivator An improved row crop cultivator for use in minimum tillage applications is described. A plurality of ganged cultivating units are mounted on a tool bar adapted to be towed behind a tractor vehicle. Each cultivating unit comprises a frame which is supporte... | 05/30/1989 |
| 4819737 | Row crop cultivator A row crop cultivator particularly adapted for ridge-hill and minimum tillage farming conditions. The cultivator carries a number of tools including spaced hilling disks, a coulter wheel and a sweep for effectively pitching soil and cutting crop residues ... | 04/11/1989 |
| 4766962 | Furrow forming apparatus for attachment to a tool bar A furrow forming apparatus for a seed planter is disclosed wherein the construction facilitates convenient adjustment of spring-biasing exerted on furrow forming disks of the assembly. The apparatus includes a parallel linkage which permits relative verti... | 08/30/1988 |
| 4750440 | Hoe-opener assembly A hoe-opener assembly having a "float" feature is disclosed. The present invention ties operation of several hoe openers to a common framework so that uniform depth control can be maintained. The hoe-opener assembly of the present invention is drawn behin... | 06/14/1988 |
| 4744316 | Furrow forming apparatus for a seed planter An adjustable down pressure mechanism is disclosed for use in association with a furrow forming apparatus of a seed planter. A parallel linkage arrangement is provided for mounting the apparatus on a tool bar of a tractor or the like, whereby the apparatu... | 05/17/1988 |
| 4738317 | Implement with tool frame selectively lockable in vertical position Locking structure for securing a four-bar linkage or the like on an implement in a raised position to remove an earthworking tool or row unit from ground engagement. An overcenter spring arrangement selectively biases a strap pivotally connected to one ar... | 04/19/1988 |
| 4729435 | Subsoil tilling implement An agricultural tilling implement is described which is adapted to be connected to the rear of a tractor having a three-point hitch. The implement comprises an elongated tool bar which preferably has two attachments thereon, spaced from each other, for co... | 03/08/1988 |
| 4715449 | Self-dumping crop shield A crop sheild is connected to the aft ends of a pair of parallel links by a bracket assembly which can pivot to permit the shield to dump trash. The bracket assembly is pivotally connected to the aft end of the lower link and includes a slot slidably rece... | 12/29/1987 |
| 4702323 | Ridge tillage attachment for planters A ridge tillage attachment for conventional row-crop planters for use in minimum tillage planting on row ridges is disclosed. This ridge tillage attachment includes a tool portion and a linkage portion. The linkage portion has a parallelogram linkage supp... | 10/27/1987 |
| 4694759 | Seed drill A seed drill for applying seed and/or fertilizer has a frame, reservoir, and sowing shares. The sowing shares are attached to the frame in such a way that they can move in an upright plane by means of superimposed and at least approximately parallel strut... | 09/22/1987 |
| 4664202 | Folding implement frame for grain drills and the like A pull-type folding implement, such as a grain drill, has individual and independent radial flotation for each of its drill units such that each unit can rise and fall, while remaining level, independently of the other, as well as cock and cant independen... | 05/12/1987 |
