Class 172/679 - Adjustable

Subclass of Class 172 - Earth working
Definition: Apparatus wherein the means for hitching the implement to
No. of patents: 40
Last issue date: 10/23/2007

Number	Title	Issue Date
7284621	Ground levelling apparatus Tractor towed ground levelling apparatus includes an elongate cutting edge mounted on a cylindrical steel beam. The beam carries road wheels and is connected to a foldable drawbar hitched to the plough arms of the tractor. Alternatively, the drawbar may be connected...	10/23/2007
7174966	Process of setting the length of an upper steering arm A process of setting the length of an upper steering arm of an attaching device of a tractor. The attaching device includes the upper steering arm with a power drive provided for length setting purposes; a length sensor to determine the actual length of the upper st...	02/13/2007
7093380	Mounting of an accessory on an ATV An ATV has an accessory mounted at a front end providing a working tool, such as a blade, brush or snow blower, by a frame which extends underneath the ATV from a hitch coupling at the rear to a mounting plate which is clamped up under the belly pan of the ATV by a ...	08/22/2006
7048071	Adjustable link assembly An adjustable link assembly includes a pair of coupling yokes, each having a threaded rod projecting therefrom. First and second lock members projecting from the corresponding first and second yokes. The first and second yokes are threadably coupled to opposite ends...	05/23/2006
7024844	Agricultural bi-mower with cantilever beam suspension A mower has a pair of cutter heads which are pivotally supported by respective cantilever beams. The cantilever beams are pivotally coupled with a hitch assembly, which in turn is coupled with a traction unit via two lower lift arms and a floatable top link. The flo...	04/11/2006
6966388	Offset hitch A heavy gauge agricultural implement hitch is disclosed which is offset such that the implement and the tractor are not directly in line with one another, but allows the tractor to follow the previous crop rows and the implement to be offset of the previous crop row...	11/22/2005
6915863	Planter bar support wheel assembly An agricultural apparatus comprising a carrier frame including a support surface defining an arcuate track about a pivot point, a mainframe mounted to the carrier frame at the pivot point for rotation thereabout between an operating position and a transportation pos...	07/12/2005
6742600	Implement coupler A coupler for attaching an implement to a tractor is provided. The coupler has three pivot arrangements allowing pivoting about three axes that are generally normal to one another with two axes of pivoting lying in substantially in a first plane and the third axis o...	06/01/2004
6691794	Planter hitch locking and alignment apparatus An apparatus for securing an agricultural implement to a hitch receiving member of a vehicle, the apparatus including at least first and second elongated tongue members where the second tongue member is slidably received in the first tongue member and for...	02/17/2004
6679339	Implement lift and level system with a front mounted direct coupled rockshaft A rockshaft is mounted over the front rank of the implement frame and is operated by cylinders located at opposite ends of the rockshaft connected to lift arms extending radially adjacent bearing mounts. Fore-and-aft extending links aligned with the lift ...	01/20/2004
6585056	Machine with a multifunctional chassis for working the soil in tree or shrub plantations Machine for working the soil in tree or shrub plantations, consisting of a chassis (1-2) equipped with mechanisms (4-5a, 11, 11) allowing it to be mounted on the universal three-point hitch system of a farm tractor and consisting, laterally, of mechanisms...	07/01/2003
6430908	Self-leveling hitch and clevis assembly A rotary cutter includes a hitch comprising upper and lower arm sections which define a parallel linkage extending between the deck of the rotary cutter and a ball clevis forming a forward end of the hitch. The ball clevis includes identical upper and low...	08/13/2002
6293351	Rear mounted three point hitch adapter for motor vehicles A motor vehicle trailer hitch adapter that mates with a motor vehicle trailer hitch receptacle and provides attachment of standard agricultural category one three point hitch implements such as scraper blades, landscaping rakes or box blades. The adapter ...	09/25/2001
6056069	Latch for an adjustable link assembly A latch for a link assembly is disclosed. The link assembly has (i) an internally threaded sleeve and (ii) an externally threaded rod positioned within the internally threaded sleeve so that the externally threaded rod is meshingly engaged with the intern...	05/02/2000
5971082	Hitch assembly with variable pivot point A hitch module for a track-type work machine in which the pivot point of a towed work implement is varied by selectively positioning a pair of links joining the work machine to a hitch frame....	10/26/1999
5720352	Hitch for two unit planter A hydraulic hitch for connecting two planters or drills in tandem for planting or in line for transport. The hitch utilizes an overhead beam and stabilizer bar interconnecting the lead and trailing drills to control and guide the drills from one position ...	02/24/1998
5335856	Air boom sprayer trailer hitch and suspension A trailer mounted sprayer having an air boom supported from the trailer frame by a four-bar linkage movable by a hydraulic cylinder to adjust the elevation of the boom and with ground-engaging wheels rotatably attached to bell cranks mounted on the frame ...	08/09/1994
5076369	Length-adjustable upper steering arm for a three-point coupling device A length-adjustable upper steering arm for a three-point coupling device, including a connecting eye having a threaded shank, and a coupling hook having a threaded shank, both of which are received in threaded bores of a sleeve, and which threads extend i...	12/31/1991
4662646	Trailing mower and drawbar articulation An articulate tow bar for use with a ride-on for pulling an independent mower unit. The tow bar has first and second members pivotally attached at adjacent ends by a lockable coupling that permits the members to be positioned alternately in a transport po...	05/05/1987
4579363	Easily releasable mounting for supporting powered equipment between a tractor and trailer A powered vacuum is mounted between a tractor carrying a rotary mower and a trailer carrying a receptacle for moving material from the mower discharge to the receptacle. A mounting frame carries a blower which may include either an internal combustion eng...	04/01/1986
4558882	Seeder cart attachment to agricultural implements A seeder cart having draft apparatus and caster wheels arranged to be coupled between draft bars of an agricultural implement, the seeder cart carrying seed and/or fertilizer bins and a metering arrangement to feed the seed and/or fertilizer to distributo...	12/17/1985
4478032	Dual implement hitch A dual implement hitch for pivotal connection to the drawbar of a towing vehicle whereby a pair of implements, such as rakes, tedders or the like may be selectively towed in one of several modes by a simple movement of an operator without disconnecting th...	10/23/1984
4463811	Implement with laterally movable frame structure A guidance system for use with tractor-mounted row crop cultivators and similar implements includes a pair of independent furrow followers mounted one behind the other on the implement for sensing implement position relative to a preestablished guidance f...	08/07/1984
4455034	Transport device for pull-type swathers and the like A hitch and pivot frame are pivotally attached to a main frame of a pull-type swather and a main or inner wheel is attached to the pivot frame. By removal or unlatching of a restraining device, the pivot frame can pivot with the wheel, through approximate...	06/19/1984
4445706	Tandem hitch apparatus A tandem implement hitch apparatus including a longitudinally extending frame bridging over a first implement and having depending leg portions forming wheel supports and a tongue for connection to a towing vehicle. An elongated implement drawbar is pivot...	05/01/1984
4418516	Transport lock actuator A transport lock actuating mechanism for a crop harvesting machine having a pivotally moveable tongue mounted to the frame of the harvesting machine, commonly referred to as a pivot-tongue windrower, is disclosed wherein a single spring is compressed to e...	12/06/1983
4418518	Mechanism for spring loading a transport lock A mechanism for spring loading a transport lock on a crop harvesting machine having a pivotally movable tongue mounted to the frame of the harvesting machine, commonly referred to as a pivot-tongue windrower, is disclosed wherein first and second springs ...	12/06/1983
4418517	Actuating mechanism for harvester transport lock An actuating mechanism for the transport lock on a crop harvesting machine having a pivotally movable tongue mounted to the frame of the harvesting machine, commonly referred to as a pivot-tongue windrower, is disclosed wherein a first spring is compressi...	12/06/1983
4415174	Multiple implement towing apparatus A towing apparatus capable of being pulled over the ground by a single tractor and for towing multiple agricultural implements is provided with a main towing arm having at its end opposite the tractor hitch a vertically extending beam to which is pivotall...	11/15/1983
4369846	Tilling machine for sandy soil A frame carries two transverse digger shafts each having a plurality of diggers mounted thereon in spaced apart relationship such that the diggers form independent furrows. The frame is supported on wheels on a single axis between the two digger shafts an...	01/25/1983
4262921	Tandem implement hitch A generally horizontal forwardly opening U-shaped frame is provided including a pair of front to rear extending elongated opposite side members and a rear cross member extending and secured between the rear ends of the side members. The forward ends of th...	04/21/1981
4223741	Vehicle for agricultural use with transport wheels A vehicle to be moved in either of two mutually perpendicular directions, and including a first plurality of caster wheels, a second plurality of wheels rotatable on parallel axes to follow a common track aligned with one of the directions, apparatus for ...	09/23/1980
4180133	Guidance system for towed vehicles An automatic guidance system for towed vehicles is disclosed comprising a marker, a position sensor, an electronic operational amplifier circuit, an electrical servo controlled hydraulic valve, and a hydraulically controlled swinging draw bar hitch. The p...	12/25/1979
4168750	Agricultural roller Disclosed is an agricultural roller useful, for example, in closing and packing furrows after they have been sowed by a seed drill. The roller includes a generally rectangular frame equipped with several roller mounting stations for mounting the desired n...	09/25/1979
4114695	Rotary harrow with pivotable coupling assembly An implement has an elongated frame that extends transverse to the direction of travel and soil-working members rotatably mounted on a portion of the frame that depends from spaced apart, forward and rear frame beams. A coupling assembly having coupling p...	09/19/1978
4109729	Device and method for diverting rolls of sod delivered from conventional sod cutting apparatus The device is pulled behind conventional sod cutting apparatus and includes an angled roller that diverts the various sod rolls sequentially discharged from the apparatus, doing so to one side of the path traversed by the apparatus. The device also includ...	08/29/1978
4102404	Articulated cultivator A cultivator section comprises an articulated frame supported by castor wheels and having both hinge connections and universal ball joint connections so that the frame can articulate when transversing uneven ground, gullies, etc. and maintaining the culti...	07/25/1978
4060254	Implement re-alignment hitch Apparatus for maintaining an implement which is coupled to a tool bar in a controlled position behind a prime mover, having a pair of rock arm devices each including a rod coupled to the bottom lift arms of the tractor's three-point hitch, each of the rod...	11/29/1977
4044842	Flexible multi-section implement An implement frame construction includes rigid implement frame sections positioned in side-by-side relation and joined by a linkage system which permits the sections to universally flex within desired limits with respect to each other without substantial ...	08/30/1977
4019755	Hitch assembly for mounting a transverse beam on a three-point hitch An earthworking implement mounted on a three-point hitch of a draft vehicle with a hitch assembly. The hitch assembly has members mounted in clamps secured to a main transverse beam. Two of these members include lower forward projecting portions and a thi...	04/26/1977

PatentStorm

Bizarre Patents

PatentStorm News

Class 172/679 - Adjustable