Abstract: A seed trench depth sensor is adapted to mount to an agricultural implement. The trench depth sensor determining the difference between a distance measured to a bottom of the seed trench by a first sensor and a distance measured to a surface of the soil by a second sensor disposed rearward of the first sensor.

Abstract: A row unit assembly may generally include a clamp mount configured to be coupled to a frame member of an agricultural implement. The clamp mount may include a first clamp member and a second clamp member pivotally coupled to the first clamp member. The first clamp member may include a first clamp wall spaced apart from a second clamp wall of the second clamp member such that the frame member is clamped between the first and second clamp walls. In addition, the second clamp member may include a flange extending outwardly relative to the second clamp wall such that the flange overlaps the frame member along at least a portion of a top side of the frame member. Moreover, the row unit assembly may include an agricultural row unit including at least one support arm pivotally coupled to the clamp mount.

Abstract: An agricultural tillage implement, including: a frame tube; and a disc blade hanger mounting assembly. The disc blade hanger mounting assembly includes: a disc blade hanger; at least one L-shaped bolt; and an L-shaped clamp, the L-shaped clamp being connected to the at least one L-shaped bolt and clamping the frame tube and the disc blade hanger together by way of the at least one L-shaped bolt.

Abstract: Systems for mounting a plurality of agricultural tools on a transverse support bar and a method for operating an agricultural implement having a transverse support bar are disclosed. The systems include a lateral positioning structure that can attach to the transverse support bar and a detachable base that can be releasably coupled to the lateral positioning structure.

Abstract: An agricultural row unit for use with a towing frame hitched to a tractor includes an attachment frame adapted to be rigidly connected to the towing frame, and a furrow-opening module comprising a first linkage pivotably coupled to the attachment frame, a first movable frame pivotably coupled to the linkage to permit vertical pivoting movement of the first movable frame relative to the linkage, a furrow-opening device mounted on the first movable frame, and a first biasing element pivotably attached to the linkage and coupled to the first movable frame for urging the furrow-opening device downwardly against the soil. The row unit also includes a furrow-closing module and a second biasing element for urging the at least one furrow-closing device downwardly against the soil.

Abstract: An illustrative embodiment of a vertical floating row cleaner may include a mounting bracket configured to engage a row unit frame, which mounting bracket may have a receiver engaged therewith. An extension member may have first and second ends, with one end configured as an adjustor interface and the opposite end configured to pivotally engage at least one row cleaner wheel. An adjustor may engage the extension member at the adjustor interface such that the adjustor prevents the extension member from moving with respect to the receiver past a certain point in at least one direction.

Abstract: Universal bracket adaptor assemblies, pressure control units, and methods for using the same are disclosed. A bracket adaptor assembly is disclosed for assisting in coupling any of an assortment of structurally distinct agricultural implements to a towing frame of an agricultural machine. The assembly includes a support bracket with two coupling portions, the first coupling portion being configured to operatively attach to any of the agricultural implements. An adaptor plate is configured to operatively attach to the towing frame. The adaptor plate has numerous attachment interface points configured to couple with the second coupling portion of the support bracket. Coupling the support bracket to a first subset of the attachment interface points of the adaptor plate assists in coupling a first agricultural implement to the towing frame. Coupling the support bracket to a second subset of the attachment interfaces assists in coupling a second agricultural implement to the towing frame.

Abstract: A bushing is provided for mounting a pivot arm that has both a threaded portion as well as one or two smooth cylindrical portions. The threaded portion enables the pivot arm to be a laterally adjusted by rotating the bushing while the smooth portion or portions provide a bearing surface or surfaces for the pivot arm loads. This removes the load from the threads, reducing wear of both the bushing and the pivot arm, thereby reducing maintenance cost.

Abstract: A mount for carrying a plurality of field-conditioning implements selected from trash whipping implements, rolling baskets and coulters for connection to a planter or other multi-row implement is disclosed. A height and force adjustable mounting system is also disclosed that enables the force of such an implement on the soil to be modulated as desired.

Abstract: The combination of a rolling basket tillage implement and a seed distribution implement is disclosed. A height-adjustable mounting system for a rolling basket soil tillage implement is also disclosed for use with a planter that enables such an implement to be raised above the soil as needed to avoid wet conditions.

Abstract: The combination of a rolling basket tillage implement and a seed distribution implement is disclosed. A height-adjustable mounting system for a rolling basket soil tillage implement is also disclosed for use with a planter that enables such an implement to be raised above the soil as needed to avoid wet conditions.

Abstract: A bushing is provided for mounting a pivot arm that has both a threaded portion as well as one or two smooth cylindrical portions. The threaded portion enables the pivot arm to be a laterally adjusted by rotating the bushing while the smooth portion or portions provide a bearing surface or surfaces for the pivot arm loads. This removes the load from the threads, reducing wear of both the bushing and the pivot arm, thereby reducing maintenance cost.

Abstract: A quick connect/disconnect coupling for securing an agricultural implement, such as a stalk stomper, to a tool bar assembly on a tractor, without the need for any tools. The tool bar assembly includes a bracket having a pair of spaced-apart arm members. Each arm member has a recess therein, and a hole spaced therefrom. The recesses and the holes are generally transversely aligned. A pin is adapted to be received in the holes. The agricultural implement includes a plate member. Provided on the plate member are a cross bar and a retention stop. The cross bar is adapted to be engaged in the recesses. To connect the agricultural implement to the tool bar assembly, the cross bar is engaged in the recesses and the agricultural implement is pivoted so that the plate member is above the pair of holes and the pin can be inserted into the transversely aligned holes to connect the agricultural implement to the tool bar assembly.

Abstract: Gang tube rail structure is attached to the lower front and rear corners of the implement gang tube to provide a lower clamp support. Two pivoting clamp jaws are attached to the clamp support and secured against the support by tightening a single clamp bolt extending between the lowermost portions of the jaws. A locator shoe is secured between the tube and the c-spring and includes a protrusion that projects into a hole in the c-spring. The ends of the locator shoe include short legs that wrap around the gang tube rail. The single clamp bolt provides a vertical clamp force that is approximately twice the tension generated in the bolt when the nut is tightened.

Abstract: An apparatus for attaching a ground-engaging tool to an implement frame of an implement adapted to move along the ground in an operating travel direction includes a bore bracket defining a pair of laterally spaced parallel cylindrical bores, and a pair of cylindrical shafts, one shaft slidingly engaged in each bore such that the shafts are maintained in a parallel orientation. The shafts are connected such that the shafts slide in the bores substantially in unison. An adjustable stop is operative to prevent the shafts from sliding in the bores. One of the bore bracket and pair of shafts is adapted for rigid attachment to the implement frame such that the bores and shafts are oriented substantially upright, and the other of the bore bracket and pair of shafts is adapted for attachment thereto of a ground-engaging tool.

Abstract: A knife assembly includes a unique finned point with angled soil-engaging surfaces defining several fracture areas and preventing slabbing to avoid excessive soil disturbance and knife wear. The knife has an extended length between the point and upper mounting brackets to facilitate operation of the point over a substantial range of depths, and the mounting brackets operate above ground level even at maximum point depth operation.

Abstract: U-shaped cushions, also known as shanks or spring members, resiliently support a gang of disks on the frame of a disk harrow. The agricultural disk cushion is manufactured from a round section of raw material which is lighter and more resistant to torsion related failure than traditional rectangular section shanks. Two leg portions are each tapered to have flat surfaces on opposite sides for flush fitting with mounting elements, while a central portion connecting them remains circular in cross section. The round cross section in this critical area can withstand severe omni-directional loading, as its resistance is equal in all directions The spring rate the leg portions of the disk cushion can be tailored individually to meet the requirements of the application.

Abstract: A no-till drill with a novel walking beam assembly that allows the drill to be pulled over severe terrain conditions that include large rocks, fallen limbs and other large obstructions. The inventive walking beam assembly includes two independent pivot points that allow the cutting and opening disks to maintain substantially constant or continuous contact with the ground, such that the length of the furrow formed and seed deposited therein are maximized. A closing disk assembly is suspended from the rear of the drill independently from the walking beam assembly. This independent suspension allows the walking beam assembly to function without interference from the closing disks.

Abstract: An overload protection apparatus for use with a planter apparatus including a coulter bar and coulter/fertilizer units mounted thereto, the coulter bar pivotally mounted to the underside of a wheel supported carrier frame designed for transport in a transport direction where a hydraulic cylinder is linked between the frame and the bar for moving the bar between a ground clearing transport position and a ground engaging position where the frame, cylinder and frame form a linkage path, the protection apparatus linked within the linkage path such that a draft force applied to the bar in a direction opposite the transport direction causes a secondary force on the apparatus and, when the secondary pressure exceeds the threshold pressure level, the protector de-links the linkage path thereby reducing the draft force.

Abstract: A mounting assembly for a shank including a shank holder having a passage for receiving the shank, the passage having at one end opposite tapering surfaces which define with the leading edge of the shank opposite tapering spaces for receiving wedge members. Bolts are provided between the wedging members and holder to urge the wedging members longitudinally of the passage to wedge the shank in a selected position relative to the holder.

Abstract: A seed bed packer including a frame, a plurality of wheels connected to the frame, and a soil packing element. The packer also includes a spring shank for transferring weight from the frame to the soil packing element. The spring shank includes a first leg connected to the frame and a second leg connected to the soil packing element. When weight is transferred through the spring shank to the packing element, the first and second legs flex toward one another. The spring shanks are capable of distributing the weight of the frame between the wheels and the packing element, while concurrently providing sufficient flexibility to allow the packing element generally uniformly pack the soil, even over rough terrain.

Abstract: A ground engaging tool that oscillates in a motion, relative to the ground, that is substantially vertically upward, and then downward and forward in a direction in which the apparatus is moved.

Abstract: A mounting system for securing planting units in planting machines, each unit including at least a portion removably secured to a carrier beam, the system allowing to quickly and simply change the distance between working units in order to adapt the machine to a better use thereof the beam having at least one slot extending along the beam and receiving a bolt connected to a curved plate bearing against a rear face of the beam, and to the beam, the bolt passing through the slot of the beam.

Abstract: A cultivator component clamping assembly for attaching a component to an implement crossbar having a plurality of faces includes a pair of generally C-shaped members each having a throat opposing a first face of the implement bar. Each C-shaped member also include a first leg and a second leg attached to and extending from the throat for placement about the implement crossbar. A retaining member is attached near the distal ends of the first and second legs and opposite a second face of the implement crossbar. The clamping assembly also includes a wedge inserted between the inclined face of the retaining member and a second face of the of the implement crossbar. A first keeper member attached between the first legs and a second keeper member attached between the second legs.

Abstract: A versatile implement system utilizing a single implement structure that is capable of being utilized as a grain planter, row crop planter, tiller or anhydrous applicator. The inventive device includes a conventional implement frame, a bracket, a pair of support arms connected to the bracket, a breakaway structure, a receiving arm having a tubular structure, a syncline shaped brace within the receiving arm, a shank member having a syncline end that is removably insertable into an open end of the receiving arm for mating connection with the brace, and an attachment connected to the shank opposite of the syncline end for performing a specific task. This structure allows a plurality of shank planters, anhydrous applicators, double-disc openers, corn planters or tillage attachments to be utilized upon a single implement frame. Varying row spacing such as 30, 15 and 71/2 inch are achievable by removing specific planter attachments.

Abstract: A cultivator component part clamping assembly for removably attaching a component part to an implement crossbar having a plurality of faces. The clamping assembly includes a generally C-shaped brace having a throat, a first leg and a second leg attached to and extending from the throat for placement about the implement crossbar. The clamping assembly includes a first keeper and a second keeper each attached near the distal end of the first leg and the second leg respectively for retaining a member of the clamping assembly near the distal ends of the first and second legs and opposite a face of the implement crossbar. The clamping assembly also includes an retaining member attached to the C-brace including an inclined face opposing the implement crossbar and a wedge pin removably insertable between the inclined face of the retaining member and the face of the implement crossbar. The clamping assembly may also include a removably insertable tool shank attached to a tool.

Abstract: Many openers are mounted on the lateral tool-bar of a farm implement. For crop and fertilizer change, different spacings along the tool-bar are required for the openers. Multi-position tool-mounting structures are provided, for each opener as required. Each has a pivoting arm, which may be locked in one of several positions. The locked-in position of each arm may be changed manually, and independently of the other tools, upon manually releasing a biassed locking pin. Adjustment to cater to the next application is light, quick, simple, and accurate.

Abstract: Integral hitch and standard mounting structure for a toolbar includes a first embodiment having a hitch tube connected to a three point hitch and to a rear toolbar. Brackets located a substantial distance outwardly of the hitch connect the hitch tube to the toolbar in parallel, rearwardly offset relationship to provide sufficient space between the tube and toolbar for lateral adjustment of tool brackets. Upright plate structure fixed relative to the front face of the toolbar has slotted extensions which project above and below the toolbar. Tool standard mounting bracket structure includes an upper L-shaped member having a horizontal leg positioned against the top of the toolbar and an upstanding bolt-receiving leg positioned against the upper slotted extension. A lower L-shaped member having a downturned bolt-receiving leg is fixed to the top of the tool standard and is positioned against the bottom of the toolbar and against the lower slotted extension.

Abstract: A plurality of digging devices are mounted side by side on the same beam which is coupled to a clamping system of a vehicle or of a tank containing the liquid to be buried. Each device comprises, mounted on the same chassis, at least a disk for forming and opening a furrow on the ground surface. The liquid to be buried is injected into the opened furrow and then it is covered after the injection. The disk (15) has at least one convex face. The disk (15) is mounted to stand almost vertical with its axis of rotation, in an almost horizontal location which is perpendicular to the forward moving direction of the device. The clamping system is designed to exert a vertical downward force on the disk (15).

Abstract: A simple, light-weight C-shank standard is mounted on a bracket which is corner clamped to a rig cross tube on a row crop cultivator. A pin inserted through apertures in the bracket maintains the shank in a preselected field-working attitude. The pin can be removed to allow the shank to be pivoted upwardly for maintenance, sweep removal, or residue removal. The shank can be supported in the raised position by the pin when the cultivator configuration is changed for cultivation in lay-by conditions, or for operation in skip row or other special crop configurations. In one embodiment of the invention, the shank is edgebent and selective placement of the pin through one of a plurality of sets of mating holes in the bracket and the upper portion of the shank permits adjustment of the working position of the shank. A mounting slot at the lower end of the one embodiment of the shank provides pitch adjustment for the earthworking tool.

Abstract: A holder for an agricultural tool. The holder has a shaft with first structure at a first location for mounting at least one agricultural tool to the shaft. The shaft has a portion that is movable guidingly in first and second opposite directions relative to a support on which the holder is mounted. A second structure is integrally formed as one piece with the shaft to limit movement of the shaft portion in one of the first and second directions relative to a support on which the holder is mounted.

Abstract: A seeding system includes a frame mounted on ground wheels for moving across the ground together with a plurality of individually mounted seeding elements carried on parallelogram linkages from the frame. A seeding element includes a walking beam arrangement having a single front wheel and a pair of rear wheels straddling the seeding sweep positioned between the front and rear wheels. The rear wheels act as packer wheels for two rows of seeds. The walking beam system lifts a main support frame of the seeding element against the bias from a pressurized controlled hydraulic cylinder. The seeding sweep is mounted upon a trip shank. The seeds are supplied through a tube which splits at the sweep to deposit the seeds into the cavity within the sweep on either side of the center line of the sweep. A fertilizer banding knife projects downwardly and rearwardly from the lower end of the shank to a position rearwardly of the sweep.

Abstract: There is disclosed a new and improved rearwardly folding combination harrow sprayer drawbar. A plurality of quick detach harrow arms are adapted to be quickly connected and disconnected to a plurality of harrow arm receivers. The implement can be used for spraying and harrowing at the same time, or once the harrows are detached and left in the field, the implement can be used for post-emergent spraying. A wet spray boom can be height adjusted by means of a plurality of manual spring loaded levers. The unit is equipped with hinged boom draws which can be pinned to be rigid such that it can be moved rearwardly in order to re-attach the harrows quickly and easily. The unit is also capable of lifting the harrows into a transport position and folding rearwardly into a narrow transport position in order to pass over roads or move through narrow entrance ways.

Abstract: A drawbar assembly includes a self-locking bushing which is supported from the drawbar mounting bracket by a conventional nut and bolt fastener. Each end of the bushing includes radial line projections which bite into the mounting bracket and into a washer interposed between the nut and the bushing when the nut is threaded onto the bolt. By capturing both bushing ends, the bushing cannot rotate to loosen the nut or wear against the mounting bracket and washer. The bushing is formed as a single component with the radial line projections by a powdered metal process and hardened to provide wear resistance. Dissimilar metals in the bushing and the drawbar at the pivotal connection reduce wear.

Abstract: A soil penetrating tool assembly for mounting to a tool bar of a soil penetrating implement including a shank member which has an elongate body, a soil penetrating tool which is located on the first end of the body and a facing plate located on a second end of the body. The facing plate engages one side of the tool bar, and has a first end and a second end which has an opening. A clamping plate engages the other side of the tool bar, and has a first end and a forked second end which has two prongs each having openings including two sections, generally oblong in cross-section, offset from one another with different centerlines. The facing plate first end and clamping plate first end include facing flanges each having a through hole and a bolt secures the flanges together with a clearance therebetween.

Abstract: A shank assembly for mounting on a tool bar of a farm implement includes a first upper mount section firmly clamped to a tool bar at one end thereof and fixedly attached to a second lower section at the other end thereof. A ground working tool is fixedly attached to the lower section. The first section is wider than the second section providing strength to the assembly and lessening the likelihood of damage to the first section. The first section includes a generally transverse slot through which the second section extends. A nut and bolt arrangement fixedly attaches the first and second sections at a location near and generally above the slot.

Abstract: A ground working implement includes a tool bar and a tool element which can be pulled across the ground by its attachment to the tool bar by a bracket and link system. The link comprises a U-shaped arm with a transverse portion parallel to an axis of rotation of the tool. The transverse portion is carried in a bracket depending from an underside of the tool bar. The transverse portion is formed of a tubular member which has a projecting portion extending radially from the axis of the tubular portion. The projecting portion has two side plates which rub against side plates of the channel to prevent side to side movement of the tool. The tool can raise or lower by rotation of the transverse portion of the channel or by lifting of the transverse portion in the channel within the limits defined by a base plate of the channel or a transverse restraining pin. The tool is latched in a raised position by a latch plate attached to the projecting portion which wedges underneath the base plate of the channel.

Abstract: A shank attachment device for holding either a deep-tilling ripper shank or a leveling finishing tool includes two vertical plates fixedly attached to a tool bar and adapted to sandwich a ground-working tool therebetween. A ripper shank holding assembly includes a first transverse bar fixedly attached to each of the plates, a detachable taper pin and detachable shear bolt.A ripper shank has a notch adapted to receive the transverse bar and the taper pin and shear bolt abut a rear surface of the ripper shank when the ripper shank is mounted between the two vertical plates. A finishing tool holding assembly includes a second transverse bar fixedly attached to each of the plates and a second detachable shear bolt. A finishing tool has a notch adapted to receive the second transverse bar with the second shear bolt extending through an aperture in the finishing tool when the finishing tool is mounted between the two vertical plates.

Abstract: A lock-up mount apparatus for an earth working tillage tool includes a bracket which is provided for attachment to a toolbar and the bracket has a first, second, third and fourth pin opening therein. A tillage tool, such as a cultivating tine, has an attachment structure at the top thereof and this attachment structure has a first and second hole disposed therethrough. A first pin is provided for selectively extending through the first pin opening in the bracket and through the first hole in the attachment structure whereby the attachment and thereby the tillage tool is pivotally attached to the bracket. A second pin is provided for selectively extending through one of the second and third pin openings in the bracket. The second pin also extends through a second hole in the attachment structure when the second pin is disposed in the second pin opening in the bracket whereby the tillage tool is held in a low operative earth working position.

Abstract: A seed drill machine of the type having a plurality of disk assemblies, and a torsion spring joint for connection of the disk assemblies to the frame of the machine. The machine is conventionally mounted on a pair of wheels and the disk assemblies can be raised and lowered relative to the wheels for travel from place to place in the raised position and for ground working in the lowered position. In the lowered position, the torsion spring joint biases the disk blades in penetrating engagement with the soil to form a furrow. The torsion joints include flexible, resilient type spring elements. The disk assembly is carried by an arm connected to the joint. The spring elements are prone to develop a permanent deflection when they are left under load for a period of time. Means are provided for adjusting the angular relationship of the disk assembly arms to the connecting joints to compensate for such deformation.

Abstract: In an agricultural drill having a frame plurality of pairs of furrow opening disk equipped supporting arms and pressure wheels are connected in trailing relation with the frame. A dry soil parting share is vertically adjustably connected with the respective pair of disk furrow supporting arms forwardly of the furrow opening disks and in the direction of disk travel so that as the drill is moved forwardly the share removes dry soil from the travel path of the furrow opening disks.

Abstract: A disk bearing standard which may be utilized with support tubes of different cross sections by simply changing a low cost U-bolt which clamps the standard to the tube. The standard includes front and lower locating surfaces formed at an angle of ninety degrees with respect to each other. A bolt-receiving member angles upwardly from the forward surface at an angle of about forty-five degrees and receives an angled leg of the U-bolt. The rear leg of the U-bolt extends downwardly through an elongated slot at the aft end of the lower locating surface. The size of the U-bolt is selected according to the size of the mounting tube, and the U-bolt clamps the standard in two planes perpendicular to each other to prevent misalignment of the standard when loads are applied. A rearwardly extending appendage provides a scraper tube mounting which is fixed with respect to the center line of the disk blades regardless of the selected size of the mounting tube.

Abstract: A clamping device for exerting clamping forces in two directions to a shank between a pair of spaced clamping members having a transverse stop. The device includes an elongated bolt like body having a pair of axially spaced sections, a head at one end and external threads on an opposite end portion with a nut on the threads for applying a first clamping force to the spaced members. An eccentric section between the shaft sections applies a transverse clamping force to the shank. A pair of flat plates forming the clamping members has two spaced clamping devices and is arranged to slidably clamp to a variety of movable supports. A pair of spaced clamping plates are affixed to the end of a longitudinal frame with the option of a shim to accomodate shanks of smaller sizes.

Abstract: A shank mounting arrangement for a disk hiller or similar implement which provides simple and precise angular adjustment of the shank independently of vertical adjustment. An upright slotted tube is fixed to a support beam and an upright apertured shank is slidably received in the tube. An adjustable collar including a plurality of holes adapted for alignment with the slots in the upright tube is mounted for rotation with respect to the upright tube, and a pin is inserted through the holes, slot and an aperture in the shank for retaining the shank in a preselected one of a plurality of vertical positions relative to the support beam. The collar may be rotated independently of vertical adjustment to change the angle of the shank.

Abstract: Apparatus for processing of soil by vibratory sifting to remove rocks and other objects embedded in the soil provides a scoop for use with a backhoe or crawler tractor having a positionable boom. The scoop includes an elongated main frame to which are secured arcuately configured evenly spaced tines which extend downwardly from the main frame with sharp distal ends for readily penetrating the soil. By pivot arrangement, the main frame is secured to an outer end of the boom for placement upon the surface, the tines extending into the soil for processing. A hydraulic vibrator motor is coupled to the tines for causing vibratory sifting by the tines of the soil upon the main frame being pulled across the surface. Such operation sifts rocks and other objects from the soil. The apparatus is especially useful for processing the root medium after strip mining.

Abstract: A liquid fertilizer applicator is provided, designed to be pulled by a motive power source, for use in a variety of soil and tillage conditions. It includes a disc-shaped coulter and an associated applicator knife mounted in trailing relation to the coulter, with a feed tube fixed to the rear of the knife. The leading edge of the arcuate knife conforms to and lies in close proximity to the outer periphery of the coulter disc. An alternative arrangement includes a knife with an angled lower facing edge and a heel extension to protect the feed tube opening.

Abstract: A clamp arrangement is provided for mounting an agricultural tool to a tool bar or cross bar. The clamp includes an upper clamp plate and a lower plate which are bolted to the bar and slotted to receive a vertical support bar. The vertical support bar is positioned vertically by means of a slotted clamp member which may be disposed above the upper clamp plate or below the lower clamp plate, the clamp member is fixed to the vertical bar by a set screw. Clearances are provided to absorb horizontal loads imposed on the agricultural implement.

Abstract: An improved clamp arrangement for attaching a shank, particularly an S-tine shank, to a rectangular beam of an implement. A bracket is positioned against two adjacent faces of the beam and includes a formed end with a continuous transition zone which partially wraps around the front edge of the beam to prevent the clamp and shank from rotating horizontally. The formed end also provides increased depth of section to increase the bending strength of the bracket.

Abstract: A one-piece shank assembly is disclosed which is comprised of a flat leaf spring having an arcuate intermediate portion, a lower end portion adapted to mount a ground working tool, and an upper end portion which is reversed upon itself to thereby form a pivot sleeve at the forward end of the shank. The leaf spring is brought rearwardly in contiguous and overlying relation to the intermediate portion and its terminal portion is then again reversed upon itself upwardly, forwardly, and then downwardly to form a sleeve bearing for the lower end of a pressure rod. Also disclosed is a simplified mounting assembly for the shank comprised of a pair of rearwardly facing and pivotally connected U-shaped channel members, portions of which are cut away to receive and clamp the frame bar of a ground-working machine in an effective and efficient manner.

Abstract: An adjustable Danish tine for a farm implement includes a notched vertical run for attachment to a tool bar by a U clamp.