Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 7984768 | Spring tensioned scraper for disc opener A ground opener unit for a seeding or planting unit includes an accessory mount attachable to an implement frame and a disc rotatably mounted to the accessory mount for forming a furrow in the ground. A scraper assembly includes a scraper plate defining a scraper ed... | 07/26/2011 |
| 7753134 | Coulter assembly A coulter assembly is provided that includes a torsion spring configured to maintain a substantially constant contact force between a scraper and a coulter disk sufficient to remove accumulated soil despite wearing of the scraper and/or coulter disk. In an exemplary... | 07/13/2010 |
| 7357193 | Air seeder disc scraper A scraper for a single-disc opener air seeder, comprising a mounting bracket, scraper attachment member, scraper plate, scraper edge containment member, scraper edge, bolt, spring, and nut, wherein the scraper attachment member is attached to the mounting bracket by... | 04/15/2008 |
| 7131384 | Seed tube guard assembly for agricultural planters A seed tube guard assembly for agricultural planters has floating wear plates to improve the wear life of the seed tube guard. The assembly includes a support bracket having an upper end attached to a planter shank assembly and a lower end positioned between a pair ... | 11/07/2006 |
| 6945182 | Midrow levelling attachment for a seeder A midrow levelling attachment for a seeder includes a set of leveller gangs each of which is mounted on a respective one of the packer wheel gangs of the seeder by a pair of mounting members one at each end of the common shaft of the leveller gang. The levelling rol... | 09/20/2005 |
| 6921140 | Cutter bar pivot attachment A cutter bar is provided for trimming debris away from the wheel-track interface of a tracked vehicle. A pivot attachment is provided wherein a knife having a cutting edge is removably mounted to a bracket by way of fasteners which will shear when a pre-selected for... | 07/26/2005 |
| 6874584 | Disc furrow opener scraper positioning system A furrow opener apparatus comprises a disc rotatably attached to the apparatus such that when the disc engages the ground, a furrow is formed adjacent to a trailing face of the disc. A scraper has a scraper blade oriented substantially parallel to the trailing face ... | 04/05/2005 |
| 6698528 | Fertilizer coulter with trash-shedding, vibratory cleaning time A coulter assembly has a resilient spring tine that bears against the compression face of the angled coulter during field operations to remove dirt clumps that otherwise inhibit the furrow-forming action of the coulter. A special spring coil mounting of t... | 03/02/2004 |
| 6659193 | Depth adjustment mechanism for farm implements An adjustment mechanism for use with farm implements or other equipment utilizes a series of alternating teeth and notches arranged in an arcuate pattern about an axis of adjusting movement on a movable member and a pair of arcuately spaced latching bars ... | 12/09/2003 |
| 6640732 | Disc opener assembly for a seed planter The present disc opener assembly for a seed planter is for a single disc opener arrangement and is embodied in several embodiments. FIGS. 1 and 1a illustrate two embodiments of the present disc opener assembly the specifics of each will be described below... | 11/04/2003 |
| 6260632 | Coulter assembly with an inside floating scraper assembly A coulter assembly is provided to create furrows in a field, while at the same time reducing the amount of soil and debris which accumulates on the coulter disc. The coulter assembly has a disc for creating furrows, with a floating scraper blade on the in... | 07/17/2001 |
| 6237697 | Quick release and storage system based on an eccentric rotating element Disk coulters are used on numerous soil engaging farm implements to cut furrows into which seed or fertilizer can be deposited. Disk coulters may also be used to cover furrows or simply cut trenches in the land. Typically, an implement or tool bar frame m... | 05/29/2001 |
| 6223832 | Constant pressure scraper system with adjustment A disk scraper system for an agricultural implement includes a tubular member slidably supported by the implement frame adjacent a gang assembly having a plurality of disks. Scrapers are fixed to the member and project into scraping relationship with the ... | 05/01/2001 |
| 6024179 | Coulter with an inside floating scraper and an outside spring closer tine A coulter is provided to create furrows in a field, while at the same time reducing the amount of soil and debris which accumulates on the coulter disc. The coulter has a disc for creating furrows, with a floating scraper blade on the inner side to keep t... | 02/15/2000 |
| 5269237 | Seed 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 |
| 4736803 | Self-adjusting scrapers for double disk openers An improved double disk scraper assembly having a pivot post projecting rearwardly from the principal vertical support, a first scraper with a first pivot end on the post and a second scraper with a second pivot end on the first pivot end. The first and s... | 04/12/1988 |
| 4333535 | Disc standard assembly In a disc harrow, the disc gang is connected to the harrow frame by shock absorbing support assemblies. Each support assembly includes a rigid standard with an upper end fixed to the frame. The lower end of the standard is pivotally attached to a forward ... | 06/08/1982 |
| 4330041 | Scraper assembly For use with farm implements having tillage discs, there is provided a disc scraping assembly in which the swingable arm for supporting the scraper blade is provided with a hat section mount together with a compression spring to yieldably hold the blade a... | 05/18/1982 |
| 4206817 | Scraper blade mechanism for double disc Seed sowing equipment is disclosed including a pair of cooperating disc blades mounted for rotation on an axle. A scraper is provided for cooperation with each of such blades for preventing the accumulation of soil on the inward side of such disc blades. ... | 06/10/1980 |
| 4113030 | Two-way scraper for ground tillage discs This invention relates to a two-way disc scraper for attachment to a ground tillage implement frame and, more specifically, to an improved pendulum type mounting therefor characterized by a supporting arm pivotally attached to a mounting bracket for side-... | 09/12/1978 |
| 4034688 | Disc scraping apparatus A disc scraping apparatus in combination with a disc assembly including a pair of elongated scraping blades having formed upon their lower portion a scraping edge and positioned between a pair of rotating discs. The scraping blades are held apart with the... | 07/12/1977 |
| 4008770 | Scraper assembly for ground tillage implement discs This invention relates to an improved scraper assembly for the discs of ground tillage implements which is characterized by a mounting bracket fastenable onto the implement frame, an inverted generally L-shaped hanger subassembly carried by the mounting b... | 02/22/1977 |
