Matches 1 - 50 out of 198 1 2 3 4 >


Match Document Document Title
6609574 Folding support frame  
An improved toolbar implement is described comprising a main support bar for attachment to a tractor, a pair of folding wings supported on a wheel assembly and connected to the main support bar,...
6068064 Agricultural implement with ground engaging tool and fluid circuit to control same  
Agricultural implement to be conveyed by a self propelled vehicle includes a structural frame and a substructure moveable between a raised position and a lowered position. The substructure has at...
5988293 Gauge structure for a cylinder operated depth control  
A stroke limiting structure for use with a lift control system on an implement includes a reciprocating link operably connected to a hydraulic cylinder and to a lift wheel assembly on an implement...
5366024 Remotely adjustable depth control  
An implement depth control system includes a rotating link pivotally connected to the frame adjacent the depth control cylinder. A cylinder pin contacts and rotates the link when the implement is...
5348101 Hydraulic system for a towed implement  
A hydraulic rockshaft control circuit which includes a three-way valve that normally operates the rockshaft is connected to the lift cylinder on a trailing implement. A hitch lock valve connected...
5277257 Depth control mechanism for an implement  
A chain is connected at its distal end to the pin at the rod end of a cylinder on an implement lift and depth control assembly. An intermediate portion of the chain is trained around a gear which...
5234060 Pressure and depth control in agricultural implement  
A soil contacting implement and depth gauging wheel at a predetermined vertical distance from the implement are provided for attachment to a tractor. Upward or downward movement of the wheel on the...
5228522 Lift assist and cushion spring tool bar wheel for agricultural implements  
A agricultural implement incorporates a frame which is adapted to engage a three point hitch of a tractor. The frame employs a longitudinally extending member which is pivotally connected to a link...
4974684 Walking beam retainer  
A wheel arrangement includes a retainer mechanism with a spring-loaded pin mounted on the walking beam of a support wheel assembly on a folding implement. A mating retainer supported on the wheel...
4974681 Method for fracturing sub-surface hardpan by drawing a particularly-angled tine therethrough  
A method for fracturing below ground hardpan which includes entering a sub-soil tine beneath the lower surface of a layer of hardpan, with the upper surface angle of the tine in range of...
4967851 Agricultural depth control system including cross plumbed series cylinders  
A hydraulic control system is provided which includes a pair of transversely spaced rockshaft cylinders which are plumbed in parallel and connected to opposite ends of a rockshaft on the central...
4898247 Earth scraper attachment for a tractor or the like  
An earth scraper attachment adapted to be drawn by a farm tractor or other vehicle having a vertically adjustable three point hitch has an elongated frame with a front tongue portion connectable to...
4871028 Articulated implement frame with swing hitch  
A wide agricultural implement is provided with a pivoted swing hitch permitting endwise transport of the implement when supported on transport wheels which are raised and lowered by power means. A...
4871030 Farm implement having transport wheels and soil working rollers on rotating frame  
The farm implement drawbar is provided with a transverse frame which is pivotally mounted at the rear of the drawbar for movement between a working position and a transport position. The ground...
4840233 Agricultural implement having rock shaft actuated transport wheel frames  
A height adjusting mechanism for a framework that supports a multiplicity of ground working tools of an agricultural implement operating at variable depths of ground penetration is disclosed. The...
4825958 Hydraulic lock for a flexible tool bar  
A flexible tool bar apparatus including a first tool bar adapted to have earth working implements attached thereto and a second tool bar also adapted to have earth working implements attached...
4821811 Mobile support frame  
A towable support frame for supporting a pair of 12-row implements in side-by-side relation includes front and rear frame structures interconnected by longitudinal frame members. Front transport...
4815545 Subsoil blade ploughs  
Apparatus for fracturing below ground hard pans which includes entering a sub-soil tyne beneath the hard pan with upper surface angle in range of orientation which provides improved fracturing width.
4782201 Switch actuating assembly  
A switch actuation assembly is provided with a support means for supporting the switch in a fixed position relative to orientations of a moveable member. A motion response element is operably...
4762183 Farming implement with adjustable earthworking tool framer  
The linkage mechanism between the front and the rear wheels of a farming implement includes a front and a rear arm the free ends of which suspend the respective wheels. Each arm has a transverse...
4762181 Minimum tillage implement  
A pull type minimum tillage implement includes a closed rectangular frame having a forward tool bar, intermediate tool bar and rear tool bar. The ground-working tools travel directly over each...
4738315 Hydraulic control apparatus including master cylinder with multiple limit positions  
An hydraulic circuit includes a master cylinder and at least one slave cylinder connected in series circuit. An auxiliary discharge conduit with a solenoid-actuated valve is provided to selectively...
4735547 Backhoe mounting  
A mechanism for mounting a backhoe on a vehicle including a backhoe mounting subframe having a downwardly extending work position and a transport position in which it is pivoted upwardly and...
4712622 Self-leveling agricultural implement  
A self-leveling agricultural implement is disclosed which has been particularly configured for maintaining the frame of the implement in a level disposition as it is raised and lowered by relative...
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...
4700784 Combined depth-control and wing-lift hydraulic circuit  
A combined depth-control and wing-lift hydraulic circuit is disclosed. The circuit is preferably used in combination with a farm implement having a tool bar. The tool bar is horizontally disposed...
4696349 Farm implement with frame connected thereto by linkage mechanism  
An implement-mounting linkage mechanism for pivotally connecting a frame to a wheeled implement is disclosed. The mechanism is preferably used for pivotally connecting a wheeled load-bearing frame...
4681335 Center pivot hitch assembly  
A novel center pivot hitch assembly mechanism is disclosed. The mechanism of the present invention is preferably carried by a wheeled tool bar and a wheeled agricultural implement. The wheeled...
4660842 Agricultural implement with elevation control mechanism  
An elevation control mechanism is provided for an agricultural implement. A first lever is pivotally mounted to the implement frame about a pivot axis for oscillation relative to the frame. The...
4655296 Farming implement with wheel depth control  
A farming implement is disclosed having a series of wheel subassemblies supporting a towed frame. Each subassembly has a front wheel, preferably a castor wheel, and a rear wheel arrangement....
4637474 Tractor and towed implement with elevation control system for implement including pressure responsive valve actuator  
The elevation of a tool carried by an implement towed by a tractor is determined by a hydraulic motor mounted on the implement adjusting the wheel height. A servo valve mounted on the tractor...
4619340 High clearance self-propelled vehicle with variable clearance and variable wheel spacing  
A vehicle has a frame (2), wheel assemblies (3) connected to the frame, and a lateral support assembly (4) connected between each of the front wheel assemblies and the rear wheel assemblies. Each...
4597452 Disk grading terrace plow  
A disk grading terrace plow comprising a plurality of disk units mounted below an angled beam frame which is towed at an angle of 40 to 45 degrees to the direction of tow via a tractor connected to...
4569296 Agricultural tool bar and chemical applicator  
A wheeled agricultural implement that serves as a tool bar and transporter and disburser of agricultural chemicals. The implement provides a storage reservoir, a spray type disbursement system and...
4567836 Transplanter mounting attachment for a harvester  
A transplanter mounting attachment for attachment to a crop harvester including a pivot shaft operatively connected for rotation about an axis extending longitudinally with respect to a support...
4534416 Automatic lock for farm equipment transport wheel  
Movement of a wing frame to folded position moves a locking member into position to be engaged by the arm which actuates the wheels to lowered position. When engaged, the lock prevents the wheels...
4529215 Hydraulic cylinder safety lock  
A hydraulic cylinder safety lock allows an operator of an implement controlled through the use of an extendable and retractable hydraulic cylinder to mechanically lock the cylinder in a transport...
4474247 Automatic bi-positionable mechanism for plows  
A tractor-drawn plow is carried at its left front end on a tractor via vertically shiftable hitch means and at its right front end on a furrow wheel linkage means providing for raising and lowering...
4451052 Integral cylinder lift mechanism  
A lift mechanism for implements such as tool bar frames used with field cultivators and chisel plows includes means for eliminating torsional loading on the axle support and react vehicle loads...
4446925 Soil cultivating machine  
An agricultural apparatus and more specifically a cultivator intended to till the soil for the incorporation of chemical solutions and to prepare it for sowing. This cultivator has a...
4428435 Agricultural implement with hitch control  
A tractor-drawn agricultural implement of the type that requires a floating hitch member while operating but a rigid hitch member while in transport. This is achieved according to the present...
4425971 Folding agricultural implement  
A folding implement frame is disclosed which has wheels placed amid the tools on the frame so that variations in ground level will not alter cultivation depth. A novel method of folding is...
4410047 Tractor-drawn plow with hitch and furrow wheel hydraulic motors connected in series  
A tractor-drawn plow is carried at its left front end on a tractor via vertically shiftable hitch means and at its right front end on a furrow wheel linkage means providing for raising and lowering...
4406329 Agricultural tool cart for minimum tillage and seed planting  
An agricultural tool cart having structure for towing a three-point hitch seed planter behind minimum tillage tools for tilling and planting in one pass through a field, the cart being equipped...
4387772 Farming implement and elevation control therefor  
The invention has been designed to be applied to conventional agricultural tillage equipment. The invention provides a new and improved mechanism for lifting and lowering, controlling and...
4374546 Conditioning apparatus for dirt race tracks  
A conditioning apparatus is provided for working of an upper surface layer of a dirt race track to form a cushion of loosened and uncompacted earth particles. The apparatus includes a rigid...
4360067 Transport lock system for an implement or the like  
A transport lock system for an implement or the like having a frame and transport wheels movable between lowered transport positions wherein the frame is raised for transport and raised positions...
4359105 Soil working implement including hydraulic centering and locking means for caster wheel  
Hydraulic center and lock structure for the caster wheel of, for example, a tractor-drawn plow, operative on a centering element rigid with the standard of the caster wheel for forcibly centering...
4354688 Hydraulic circuit for a tractor drawn implement having remote variable height selector  
An implement having a rotary flow divider controlling fluid to and from at least two independent hydraulic rams for raising and lowering the implement in a level manner. A counter monitors the...
4339139 Hydraulic circuit for synchronous lift of flexible frame implements  
A hydraulic circuit for synchronous lift of an implement having a center frame and flexibly connected left and right wing frames, each frame having an independent wheel assembly for raising and...
Matches 1 - 50 out of 198 1 2 3 4 >