Class 172/178 - Including disk gang

Subclass of Class 172 - Earth working
Definition: Apparatus in which the rolling implement comprises a group
No. of patents: 39
Last issue date: 09/13/2011

Number	Title	Issue Date
8016044	Soil shaping agricultural implement In an embodiment, an agricultural implement includes at least a first row of ground engaging tools, each of the tools spaced a first distance apart from one another, and a second row of ground engaging tools disposed behind the first row of ground engaging tools, ea...	09/13/2011
7188680	Hydraulically adjustable hinged hitch An agricultural implement includes a pivoting assembly, a working assembly, and a tow bar assembly. The working assembly includes a front gang of coulters and a rear gang of coulters. The pivoting assembly includes a hydraulic cylinder. The hydraulic cylinder is adj...	03/13/2007
7172032	Ground engaging agricultural tine and associated mounting and indexing system An agricultural implement has gangs of soil aerator tools. Each gang includes a set of integral multi-tine units mounted on a frame for rotation in unison. Each tine unit has a hub with tines. The hub has a first surface defining a first set of indexing receivers an...	02/06/2007
7108075	Seedbed preparation implement having rotary disc with adjustable gang angle A disc gang is provided that is suitable for use as part of a multifunctional seedbed preparation implement or in a standalone disc harrow. The disc gang is configured to permit a gang angle of the disc gang to be adjusted to accommodate differing soil conditions an...	09/19/2006
7048069	Agricultural disc harrow and method An agricultural implement consisting primarily of a towed frame supported on retractable wheels, the frame having a plurality of independently adjustable spindles for setting height and angle of attack for various size rotatable discs. Each disc is staggered to redu...	05/23/2006
7036604	Structure for converting an integral implement to a drawn type A forward acting wheel arm for a drawn hitch includes a pivot point directly below the rear rank of the machine frame, and the wheels are rotated directly in front of the front rank during field operation. For transport, the wheels rotate below the front rank to min...	05/02/2006
7017675	One-pass primary tillage machine A one-pass primary tillage machine provides a combination of shallow and deep tillage, residue cutting and mixing, and clod size reduction and leveling of the field to prepare the field for the next planting season. A front group of flat coulters slice through the r...	03/28/2006
7000708	Seedbed preparation implement having rotary disc with adjustable gang angle A disc gang is provided that is suitable for use as part of a multifunctional seedbed preparation implement or in a standalone disc harrow. The disc gang is configured to permit a gang angle of the disc gang to be adjusted to accommodate differing soil conditions an...	02/21/2006
6886441	Blade assembly cover A gang blade assembly which controls the trajectory of detritus from a ball grid array substrate dicing operation is described. The assembly includes a cover which partially encases a hub with a plurality of blades. A brush is mounted on the cover to disrupt an air ...	05/03/2005
6666280	Soil cultivating apparatus A soil cultivating apparatus 10 comprises a chassis 14 having an elongate spine 16 carrying support outriggers 18, 20. The support outriggers 18 carry a first disc gang 30. The support outriggers 20 are arranged rearwardly of the support outriggers 18 and...	12/23/2003
6612381	Seedbed preparation implement having rotary disc with adjustable gang angle A disc gang is provided that is suitable for use as part of a multifunctional seedbed preparation implement or in a standalone disc harrow. The disc gang is configured to permit a gang angle of the disc gang to be adjusted to accommodate differing soil co...	09/02/2003
6578640	Apparatus and method for preparing agricultural ground for planting The apparatus of the present invention prepares agricultural ground for planting by performing multiple functions in a single pass over the field. The apparatus includes rolling choppers and coulters for cutting crop residue, and disks and rippers for til...	06/17/2003
6557646	Mulch-till ripper An agricultural tillage implement employing a series of apparatus to perform one-pass primary tillage is disclosed. A cutting disk is the first apparatus that works the field. These disks cut the residue laterally (across the machine) and mix the majority...	05/06/2003
6499543	Tilling implement comprising a plurality of gangs of disks rotating about a common axis The invention relates to a tilling implement of the type comprising at the front at least two gangs of disks (1, 2) whose mutually-parallel axes are inclined relative to a direction perpendicular to the direction of advance (F) of the tilling implement, a...	12/31/2002
6276462	Combination tillage equipment for providing a smooth finish A tillage apparatus performs shallow tillage with leading tillage discs followed by chisel plows with winged points performing primary tillage in strips of untilled soil left by the forward discs. The points lift the soil and roll it laterally. Levelers f...	08/21/2001
6060931	Repetitive pulse generator with wide pulse duration, amplitude, frequency and duty cycle characteristics A pulse generator provides a continuous train of electrical pulses of variable frequency, duration and amplitude. The pulse generator includes an adjustable frequency astable oscillator coupled to a monostable pulse generator. An isolation circuit isolate...	05/09/2000
5795096	Road resurfacing system A road resurfacing device has a frame on which is mounted a ripper bar for ripping the road surface, to a controlled depth, and behind it a separator for separating coarse and fine material in the road surface such the coarse material is deposited on fine...	08/18/1998
5590721	Conservation tillage tool A conservation tillage tool, including a main frame and a rear frame pivotally mounted on the main frame disposed to support a number of soil working implements in sequence. The main frame is supported by ground wheels attached to the rear section of the ...	01/07/1997
5515929	Dual disc cultivtor cutaway A dual disc cultivator cutaway (10) is disclosed including a frame (30) pivotally mounted to a cultivator tool bar (14) through a bar mount (22). A spindle (38) is pivotally mounted to the opposite end of the frame (30) and slideably mounts first and seco...	05/14/1996
5207279	Agricultural apparatus having vertically adjustable disc gang assemblies An agricultural apparatus having a combination of ground engaging tools thereon. The agricultural apparatus includes a plurality of ground engaging cultivator tools mounted on a frame assembly which is specifically configured to promote accurate lateral s...	05/04/1993
5161622	Field cultivator leveling device In combination with a wheeled first cultivator which is pulled by a prime mover and which has a frame assembly to which ground engaging members are attached, an improved implement comprising a frame, a mounting unit for attaching the frame to the rear of ...	11/10/1992
5156216	Conservation compliance tillage tool A conservation tillage tool including a frame disposed to support a number of soil working implements in sequence. The frame is supported by ground wheels attached to the rear section of the frame. The wheels are movable with respect to the rear section o...	10/20/1992
5082064	Tillage implement having depth adjustable discs A tillage implement which has both deep tillage subsoil shanks at the rear of the machine and relatively shallow running, residue cutting and topsoil mixing discs at the front of the machine provides for expeditious depth adjustment of the discs through s...	01/21/1992
4828042	Coulter chisel tillage tool A coulter chisel tillage tool includes a mounting apparatus for attaching a disc gang to a rockshaft. A bracket extends radially from the rockshaft and is connected to one end of a spring having its other end positioned in a retainer cup. The retainer cup...	05/09/1989
4724910	Implement with resiliently mounted coulter gangs An agricultural implement is equipped with a plurality of earthworking tools spaced from one another in the fore and aft direction. One of the tools is adjustable between working and nonworking positions on a main frame by a hydraulic actuator connected t...	02/16/1988
4703810	Disc and chisel plow implement An improved farm implement includes a frame having a forwad hitch which is maintained at a fixed position relative to the remainder of the implement during all stages of operation. The rear end of the frame includes running gear which may be raised and lo...	11/03/1987
4650006	Auxiliary mounting device for cultivating implements An auxiliary mounting device for use with a tractor having a one-point tractor hitch. The auxiliary mounting device includes a body having a forward end and a rearward end with the longitudinal axis of the body extending therebetween. Means are provided f...	03/17/1987
4625809	Bridge hitch type frame A plow and disc combination machine which utilizes a bridge hitch type frame which is built in the same order as a highway bridge which enables the plow to have clearance so that a disc gang mounted under it and movable by hydraulics can be raised or lowe...	12/02/1986
4595064	Drag attachment for a disk A drag attachment for a disk or cultivating implement which includes a linkage system mounted in cooperation with a fluid cylinder apparatus for raising and lowering the disk transport wheels, which linkage system includes a pair of drive arms connected t...	06/17/1986
4492272	Tillage implement and improved gang assembly therefor A mulch tiller or similar implement having a rigid frame supporting a plurality of forward trash-sizing gang assemblies and rearward plow tools. Spring brackets rockably support the gang asemblies for independent vertical movement with respect to the fram...	01/08/1985
4446924	High speed tillage system with discs and plow points A tillage system includes forward and rear sets of widely spaced discs and a set of plow points. The discs in the forward set are mounted at spaced intervals so as to leave alternate strips of worked and unworked soil of substantially equal width. Each di...	05/08/1984
4313503	Agricultural implement An agricultural implement having a primary frame on which is mounted an adjustable secondary support frame through connecting links and depth control screws enabling adjustment of the secondary support frame relative to the primary frame while maintaining...	02/02/1982
4257487	Water stop attachment and border disc The device comprises a transverse frame member having depending border disc mounts. The transverse frame member also has a hitch extending forwardly therefrom for attachment to a three point hitch on a tractor. The water stop attachment has a ladder type ...	03/24/1981
4250970	Automatic coulter depth control A farm implement has a mobile frame from which is suspended a number of chisel plow shanks and a row of rolling coulters ahead of the plows for cutting crop residue to prevent trash buildup and plugging at the plows. A transverse rock shaft on the frame i...	02/17/1981
4243104	Soil working machine A soil cultivating machine has a pair of frame units inclined rearwardly divergently to each other, each frame unit having a respective tool-holding shaft. Each shaft is associated with two tool-holding bars, one in front of the shaft and one behind it. T...	01/06/1981
4127341	Adjustable deflection limiting element for trailing arm assembly For use in a trailing arm assembly having a support frame and a spring-loaded trailing arm pivotally mounted on the support frame, an adjustable stop element is provided for limiting the downward deflection of the trailing arm. The stop element is a rotat...	11/28/1978
4127178	Earth working attachment An attachment for an earth working apparatus having a mobile frame with central and wing sections, each with forward and rear frame members and a plurality of earth working members thereon. The attachment includes a plurality of reach arms for each sectio...	11/28/1978
4113028	Lift for dragged implement A lift device is mounted on a wheeled implement such as a disc harrow which has retractable wheels for transport. The lift device includes a pair of arms mounted on a horizontal pivot bar which is rotated by activation of the mechanism for lowering the wh...	09/12/1978
4047574	Implement for levelling levees An implement to remove levees and the like from the earth's surface includes a frame means with longitudinal and lateral members connected to form a frame having sides, a front and a rear end. A pair of ganged disc harrows is supported on the frame and de...	09/13/1977

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Class 172/178 - Including disk gang