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Class 111/157 - Rotary opener


Subclass of Class 111 - Planting
Definition: Apparatus wherein the opening element turns, spins, or revolves
No. of patents: 24
Last issue date: 05/29/2007


NumberTitleIssue Date
7222575Apparatus for preparing soil for the placement of seed and additive
An apparatus for preparing soil for the placement therein of at least one of seed and fertilizer. A frame is provided with there being first structure on the frame for penetrating the soil to create an opening for at least one of seed and fertilizer as the frame is ...
05/29/2007
7143838Wavy farming disc
A wavy farming disc for working the soil in farming activities, particularly in no-till works for seeding, wherein the disc comprises a plate having a peripheral circular cutting edge and a central portion, and a plurality waves in the plate with the waves extending...
12/05/2006
6912963Apparatus for preparing soil for the placement of seed and additive
An apparatus for preparing soil for the placement therein of at least one of seed and fertilizer. A frame is provided with there being first structure on the frame for penetrating the soil to create an opening for at least one of seed and fertilizer as the frame is ...
07/05/2005
6644224Apparatus for preparing soil for the placement of seed and additive
An apparatus for preparing soil for the placement therein of at least one of seed and fertilizer. A frame is provided with there being first structure on the frame for penetrating the soil to create an opening for at least one of seed and fertilizer as th...
11/11/2003
6135037Lifting 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
6003453Flanged seeding drum
An apparatus for sowing seeds in a plurality of identical furrows is described. The seed sowing apparatus comprises a scraper, seed tubes, a packer and a cylindrical drum with a plurality of ground engaging flanges attached around its periphery. All of th...
12/21/1999
5970892Trash 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
5878678Trash 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
5685246Planting assembly for seed drill
A seed drill includes a novel planting assembly combining press wheels for packing angular sides of a furrow and a runner immediately behind and longitudinally aligned with the press wheel. The runner includes an arcuate front edge that is juxtaposed imme...
11/11/1997
5666892Combined farm machine performing all of the seeding operations in one pass
Combined farm machine performing all of the seeding operations in one pass, comprising: a frame with a three-point attachment for the connection to the tractor and a hydraulic pump; several soil rippers; a roller for the macro- and microtillage of soil; a...
09/16/1997
5619939Disc opener
A disc-type opener and seeder useful in direct seeding during zero-till operations includes index/presser wheels to prevent hairpinning of trash etc. A soil retainer wheel cooperates with the disc to close the furrow cut by the disc and to cover the seeds...
04/15/1997
5588382Zone tiller attachment for planters
The zone tiller attachment employs a pair of spoked tillage wheels that converge downwardly and forwardly toward one another in leading relationship to the planter and in such an orientation that their heavy, thick, blunt spokes mutually intersect and ove...
12/31/1996
5509363Seed drill guide assembly
A seed drill includes a novel planting assembly combining press wheels for packing angular sides of a furrow and a runner immediately behind and longitudinally aligned with the press wheel. The runner extends rearwardly from beneath the press wheel at the...
04/23/1996
5461995Rotary 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
5417172Seeder
A seeder comprises a coulter assembly (13) operable to cut stubble/grass in a series of parallel lines in the first stage of forming a plurality of parallel rows of seed beds. The coulter assembly (13) comprises a plurality of coulters (21) and is operabl...
05/23/1995
5341754Rotary row cleaner for a planter
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...
08/30/1994
5269237Seed sowing apparatus
Apparatus for laying seeds includes a towable frame from which one or more blades are supported for cutting a slot in the ground surface below, a seed and fertiliser chute feeds seed into the cut ground surface via a channel formed between the frame and b...
12/14/1993
5255617Ridge preparation tool for seed planting equipment
The ridge preparation tool is adapted to be attached to a seed planter directly ahead of the trench-forming structure of the planter so as to skim off the crest of the ridge for the production of a clean, relatively narrow strip of prepared soil in which ...
10/26/1993
5060585Agricultural seed planter
An agricultural seed planter comprising a frame adapted to be mounted to any conventionally drawn tool bar; a shaft attached to the frame and angled relative to the direction of travel and having mounted thereupon a soil cutting wheel designed as a multi-...
10/29/1991
4492172Method and apparatus for producing non-rhizoming grasses
The method involves preparing seed beds in the form of parallel troughs of substantially closer spacing than used heretofore. Seeds for grass having non-rhizoming characteristics are planted in these troughs at a given rate to provide a substantially unif...
01/08/1985
4408551Row planter
A row planter having an improved opening means preferably used in combination with a furrow forming shoe. The opening means includes an unitary, disc means mounted for rotation about a horizontal axis and the shoe is mounted so that a peripheral portion t...
10/11/1983
4294181Subsoil agricultural implement with rotatable disc
A subsoil implement is disclosed that utilizes a horizontally rotatable disc that is moved beneath the surface of the ground for the purpose of cultivating or for producing a sub-surface bed for placing flowable material such as seed or soil treating gas ...
10/13/1981
4177743Seedling transplanter
A seedling transplanter has a main frame securable to a drawing vehicle by a draft bar and supported for movement over a piece of ground in which seedlings are to be planted. Coulter assemblies are mounted on the main frame for cutting a furrow as the fra...
12/11/1979
4044697No till seed drill
A seed drill for a field left in stubble, comprising a plurality of pairs of discs wherein each pair includes a forward coulter disc tangentially engaging a rearward furrow opening disc held by clevis members to a wheel supported framework. Seeds are dire...
08/30/1977
 
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