Specific Tool Shape Patents (Class 172/765)
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Publication number: 20110247845Abstract: An adjustable wear assembly for a machine mounting component having a channel is disclosed. The adjustable wear assembly may have a wear insert located within the channel, and an inclined adjustment plate located within the channel in contact with the wear insert. The adjustable wear assembly may also have at least one wedge block located within the channel in contact with the inclined adjustment plate, and a cover connectable to the mounting component to close off a side of the channel.Type: ApplicationFiled: November 12, 2010Publication date: October 13, 2011Inventors: Andrew G. GREUEL, Anthony J. Piraino, Jacob P. Fawer, Daniel E. Bozich
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Publication number: 20110079404Abstract: A digging tool has a shaft with a proximal end and a distal end. The proximal end has at least one beveled surface for engaging with a drill chuck. An eggbeater-shaped digging body is coupled to the shaft. The digging body is formed from a plurality of bands that intersect each other at an intersection region at the distal end of the shaft. The bands are welded to each other and to the shaft at the intersection region and form a plurality of substantially U-shaped digging surfaces. Each U-shaped digging surface has a distal arm coupled to the intersection region and a proximal arm coupled to the shaft between the intersection region and the proximal end of the shaft. A protective cover is welded to the intersection region to cover the intersection region. The protective cover preferably includes a distally extending non-puncturing tip.Type: ApplicationFiled: June 11, 2009Publication date: April 7, 2011Inventor: Gwyneth Christine Pett
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Patent number: 7878262Abstract: A coulter or disc having a plurality of directional notches therein is used in one rotational direction for one use and an opposite rotational direction for a different use. The notches are selected from many arcuate shapes and sizes. The notches taper from sharp to dull from one end to the other, but in use one can chose to lead with the dull or the sharp end of the notches. A method of making and using such coulters or discs is described and shown.Type: GrantFiled: July 9, 2009Date of Patent: February 1, 2011Inventor: Douglas G Bruce
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Publication number: 20110005785Abstract: A coulter or disc having a plurality of directional notches therein is used in one rotational direction for one use and an opposite rotational direction for a different use. The notches are selected from many arcuate shapes and sizes. The notches taper from sharp to dull from one end to the other, but in use one can chose to lead with the dull or the sharp end of the notches. A method of making and using such coulters or discs is described and shown.Type: ApplicationFiled: July 9, 2009Publication date: January 13, 2011Inventor: Douglas G. Bruce
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Publication number: 20100326680Abstract: The present invention is directed to an earth leveling and moving apparatus designed to move and level dirt and is compact for getting into tight areas that are needed to be reached for landscaping and other similar purposes. The apparatus includes a handle assembly, a blade assembly, a blade coupled to the blade assembly, a basket, and two wheel assemblies. The handle assembly is connected to the blade assembly which is coupled to the blade. The blade may be removable and may have a straight edge or a ripper edge with teeth for cutting through hard surfaces. The basket is coupled to the handle assembly and to two wheel assemblies. The blade height is determined by adjusting the wheel assemblies and varying the force used on the handle assembly. The basket may have materials for weight in order to aid in applying a downward force to cut or gouge the land and level the land as the user desires. The basket may also be used to move debris and materials around the worksite.Type: ApplicationFiled: June 26, 2009Publication date: December 30, 2010Inventors: Neal Sundhagen, Shanon Sundhagen
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Publication number: 20100276167Abstract: A tilling implement has a front row of shallow concave disc blades having a front right portion and a front left portion symmetrically disposed about a centerline of the implement. A rear row of shallow concave disc blades has a rear right portion and a rear left portion symmetrically disposed about the centerline of the implement. The rear right portion following behind the front right portion in a right path and the rear left portion following the front left portion in a left path when the implement is displaced through a field. The implement includes no ground engaging tool in the right path between the front right portion and the rear right portion, and no ground engaging tool in the left path between the front left portion and the rear left portion. The shallow concave disc blades have a concavity of between approximately 1.25 and 1.69 inches over an outer diameter of approximately 20 inches.Type: ApplicationFiled: April 30, 2009Publication date: November 4, 2010Applicant: CNH America LLCInventors: Michael George Kovach, Tracey Duane Meiners, Dean Alan Knobloch, Gaylen James Kromminga, Gregory S. Smart
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Patent number: 7721375Abstract: A tool for cleaning a drainage structure comprises a rod having a center longitudinal axis, a barrel housing having a proximal opening and a distal opening, the barrel housing having a center longitudinal axis and coupled coaxially to the rod, the barrel housing having an outside dimension that can be accommodated within the drainage structure, the distal opening of the barrel housing having a sinusoidal tearing contour. The tool further comprises a plurality of cutting implements radially coupled to and between the rod and the barrel housing, the cutting implements having a distal cutting edge and being angularly oriented to facilitate sweeping debris in a selected direction, and the barrel housing and cutting implements operable to rotate about the center longitudinal axis of the rod to dislodge and loosen debris inside the drainage structure.Type: GrantFiled: October 4, 2007Date of Patent: May 25, 2010Assignee: Harr Technologies, LLCInventor: Robert E. Harr
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Publication number: 20090260840Abstract: Embodiments of the present invention provide a method and apparatus for distributing particulate matter over a surface by spreading. The apparatus for distributing particulate matter over a surface is adapted to be fitted to a prime mover. The apparatus includes a mounting frame for attaching the apparatus to the prime mover, at least one grading blade carried by the mounting frame and mounted moveable laterally sideways relative to the prime mover and an actuator to controllably move the grading blade to move the grading blade substantially sideways relative to the prime mover. The lateral sideways movement of the apparatus relative to prime mover enables particulate matter to be moved independent of the direction of travel of the prime mover.Type: ApplicationFiled: August 24, 2007Publication date: October 22, 2009Inventor: Rodney Milthorpe
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Publication number: 20090101372Abstract: A blade has an overall blade width of W, and includes a central front portion, interposition front portions, and side front portions. A straight first edge section is arranged on the lower end of the central front portion. Each of the front surfaces of the central front portion, the interposition front portions, and the side front portions is formed in an arc-shaped surface that has a prescribed radius R2. The radius R2 satisfies the following formula: R2=(0.7 to 1.0)×H, where H is the height from the edge of the first edge section to the top end of a soil retaining plate in side view in a digging posture when the edge angle ? of the edge sections is an angle of 40° to 55°.Type: ApplicationFiled: August 24, 2006Publication date: April 23, 2009Applicant: KOMATSU LTD.Inventors: Norihisa Matsumoto, Tatsuo Wada
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Patent number: 7497270Abstract: The present invention provides a wavy coulter having a plurality of variable-amplitude waves, each wave defined by a crest and an adjacent valley. The coulter is mounted on an implement such that a leading peripheral edge of the coulter rotates in a downward direction as it enters the soil. The waves having larger amplitudes of deviation from flat provide a driving force for turning the variable wave coulter. The waves having smaller amplitudes of deviation from flat provide penetration into the soil. The result is a coulter that is forgiving in both wet and dry soil conditions.Type: GrantFiled: September 28, 2005Date of Patent: March 3, 2009Inventor: Douglas G. Bruce
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Patent number: 6508147Abstract: The present invention has several aspects to it, one of which is the provision of a chisel point which is straight and tapered from its thinnest part at the extreme front to a thicker part at the rear thereof for causing a sweep to wear longer than prior art sweeps. This sweep also improves soil penetration and is self-sharpening. Another aspect of the present invention is to provide an earth working sweep having a front end, a right side, a left side, and a central upper portion for connecting the sweep to an implement. It also has a right rear wing portion and a left rear wing portion with an intermediate portion connecting the front end to the central upper rear portion and the left and right rear wing portions. A right edge and a left edge have concave edges on the front and convex edges on the back so as to form a somewhat S-shaped configuration which reduces scrap when being made and adds to the longevity and performance of the sweep.Type: GrantFiled: March 3, 2000Date of Patent: January 21, 2003Inventor: Douglas G. Bruce
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Patent number: 6382115Abstract: Plowshare particularly for seeding and eventual manuring in soil in a continuous line of the type involving two equal and symmetrical opposite convergent wings with an apex having a substantial “V” shaped plan (31). Their ends are turned upwards (32) so that the plowshare may be pulled so as to penetrate at a certain depth into the soil; cut the soil at the depth and make it slide above the wings (31). The flaps (32) force the soil to pour back in the obtained furrow covering it, applying at least one seed distribution device in the free area of the “V” shaped inside apex being possible.Type: GrantFiled: August 4, 2000Date of Patent: May 7, 2002Inventor: Mauro Collovati
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Patent number: 6318476Abstract: The Hand Grader tool is designed so as to allow the user to grade material such as sand, loam, gravel, stone or wet concrete and due to the angle of the faces it eliminates the need of the user to apply pressure upwardly or downwardly on the tool to carry the materials to grade. The tool will thus save energy and assist in efficient completion of a task. The tool consists of a hoe type handle approximately 5 feet long made of an appropriate material and approximately 1⅛ inch in diameter connected through a split pipe member to a single piece of five gauge steel 6¾ inches long by 6 to 20 inches wide. The steel is bent to 140° inclusive angle. The angle is bent in the center leaving two faces of 3⅜ inches in width. The handle is engaged at an angle greater than 90° with one face and centered along the length of the face.Type: GrantFiled: August 25, 2000Date of Patent: November 20, 2001Inventor: Bradley N. Brewer
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Patent number: 6138771Abstract: A tine for mounting on an agricultural soil-working implement includes a mounting portion at the upper end of the tine for mounting the tine in cantilever manner on a frame portion of the implement. A shank portion projects downwardly from the mounting portion to a lower end. A tine point is mounted on the lower end of the shank portion. The tine point comprises a cutting blade extending generally in a vertical plane and has a leading edge and a trailing edge. The leading edge is adapted to cut a slit in the ground during forward travel of the implement. The cutting blade has first and second laterally projecting wing formations formed on the trailing edge. The first wing formation extends to a first side of the cutting blade and is operative to widen the slit formed by the leading edge. The second wing formation extends to a second opposite side of the cutting blade and is secured to the shank portion.Type: GrantFiled: April 30, 1999Date of Patent: October 31, 2000Assignee: Kverneland Klepp, ASInventor: Magne Skjaeveland
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Patent number: 6119321Abstract: A method of making earth tilling sweeps from disc scrap including a process of cutting a plurality of circular discs side-by-side to form disc cut-outs as well as discs. Each cut-out is formed around an axis which is perpendicular to the plane of the sheet of metal from which the discs are cut. The method herein includes leaving a predetermined width of material between the disc cut-outs and a predetermined width of metal between each respective disc cut-outs on at least one of the side edges. A sweep blank is made by cutting between and through the width of metal between the cut-outs and between the one edge and each one of two adjacent cut-outs. Further cutting of the sweep blank toward its final configuration includes forming attachment openings therein. The sweep blank is then bent into a three-dimensional shape for use in tilling the earth.Type: GrantFiled: August 23, 1999Date of Patent: September 19, 2000Inventor: Douglas G. Bruce
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Patent number: 5730228Abstract: A row cultivator (10) includes a row following system (12) coupled to a toolbar (13) employing frame members (17) and (18) constrained to remain parallel by a cross member (21). Coulter wheels (30) and (31) secured to the frame members (17) and (18) are non-steerable and tool bar drift may be corrected. A tool (40) employs a leading blade (44) and a pair of diverging cutting blades (47) and (48) trailing behind the leading blade (44). A sheer release assembly employs a longitudinally extending bolt (70) centrally disposed and holding a shank (61) to a tool bar (65) so that when a tool on the shank (61) strikes an underground obstacle the bolt (70) is sheared longitudinally.Type: GrantFiled: November 21, 1996Date of Patent: March 24, 1998Inventor: Peter Lloyd Mansur
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Patent number: 5443126Abstract: The invention relates to a grubber tine of a tubular cross-section which, as compared to known grubber tines, give reduced weight and larger flexure and vibrations when moved through the soil, which gives reduced tractive power. The grubber tine is adapted to escape obstacles within the soil in that the grubber tine is pivotally suspended on a shaft. Bosses are attached to the grubber tine through friction forces between the bosses and the grubber tine at a preferably conical contact face, achieved in that the bosses are pressed into holes in the wall of the grubber tine. In the working position, the grubber tine rests against a shaft and is kept in place by means of a safety bolt adapted to be stretched off upon the occurrence of overload. The safety bolt may be combined with a resilient member, such that the grubber tine to a certain degree may yield upon load and then return to working position.Type: GrantFiled: July 16, 1993Date of Patent: August 22, 1995Assignee: Kverneland Klepp ASInventor: Magne Skj veland
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Patent number: 5417293Abstract: In a sprigger a tiller aligned with a plow and weighted to disks. The tiller breaks the ground forming narrow grooves into which fertilizer may be distributed and a plow following behind, preferably at a depth less than that of the tiller, forms a substantially flat bottomed furrow in the path of the groove. A plurality of chutes are aligned, one over each of the furrows, and a separator mounted above the chutes loosens the sprigs and distributes them through the chutes into the furrows. Weighted disks shift the ridges of loose soil over the sprigs and trailing tires on the sprigger transport carriage compact the earth over the sprigs. Each of the plows operates in a three-stage fashion, with V-shaped blades cutting the horizontal path through the earth, a lifting wedge raising the cut earth at a modest angle above the furrow and a pair of curling plates having convex surfaces curling the uplifted earth into ridges on either side of the plow to provide a clean, consistent furrow.Type: GrantFiled: December 17, 1992Date of Patent: May 23, 1995Inventor: Ronald W. Leader
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Patent number: 5176209Abstract: A cultivator sweep or shovel includes a rigid generally arrowhead shaped body having a central mounting flange enabling attachment to a support shank or tine. The sweep has rearwardly diverging primary cutting edges and one or more outwardly and forwardly projecting weed cutting points formed along the primary cutting edges to capture and sever weeds in the path of the sweep so as to prevent weeds from slipping past the sweep.Type: GrantFiled: December 17, 1991Date of Patent: January 5, 1993Inventor: Mark VandenBrink
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Patent number: 5172770Abstract: An agricultural share having a working portion with a front face, a rear face and two sides converging to a forward point. A plurality of depressions are formed on the rear face of the working portion in the vicinity of the two sides for the purpose of achieving a reduction in the "footprint" area of the share. Additionally, the depressions serve to trap soil therein with the result that there is a reduction in wear on the rear face.Type: GrantFiled: March 22, 1991Date of Patent: December 22, 1992Assignees: Clarewood Pty Ltd, Wundowie Foundry Pty LtdInventor: Raymond G. B. Moyle
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Patent number: 4905768Abstract: A manual agricultural implement, having a shaft with an axis and two ends, a handle arranged at one of the ends of the shaft and a tool arranged at the other end of the shaft having a plurality of tines arranged at radial distances from the shaft, the tines extending around the shaft axis in a curved manner and along the surface of an imaginary cylinder which is coaxial to the shaft axis.Type: GrantFiled: October 9, 1987Date of Patent: March 6, 1990Inventor: Friedrich Lorenz
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Patent number: 4127073Abstract: An improved subsoil plow assembly to be attached to an implement frame employs a soil-splitting leading edge of arcuate cuspate shape, breaking the earth but inhibiting the mixing of the subsoil with the topsoil. That portion below the cuspal apex tends to split away and sidewardly while the portions above the apex are directed upwardly. The plow is preferably comprised of laminate construction providing strength and particular suitability for forming a channel therein directing passage of gaseous or liquid fertilizer into the soil. An alternate embodiment includes a pocket on the leading edge accepting removable and replaceable cuspal inserts useful in differing soil conditions.Type: GrantFiled: June 13, 1977Date of Patent: November 28, 1978Inventor: Calvin B. Blair
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Patent number: 4055221Abstract: A soil-cultivating implement has soil-working members mounted for rotation about corresponding upwardly extending axes. A soil-working tool, preferably one or more tines, is connected to a support of the soil-working member by at least one quick release fastener. The tool or tine can be a torsioned spring steel strip or a rod that has a spring coil. Each tine can have one or more operative soil-contacting ends that are spaced apart from one another. When the operative ends are located one above the other, the soil-working member can work deep in the soil. The fastener can be a pin that extends horizontal and at right angles to the axis of rotation of the soil-working member so that the operative ends can pivot to some extend about the fastener. The ends of each tool or tine can extend in different directions from one another and tines in pairs can be mounted on the same support.Type: GrantFiled: July 17, 1975Date of Patent: October 25, 1977Inventor: Cornelis van der Lely
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Patent number: 4043401Abstract: A cultivating implement has side-by-side soil working members journalled in a hollow frame portion. Each member includes a support with hub that is connected to the lower end of a corresponding shaft. The shafts of the soil working members have meshed pinions on their upper ends that are housed in an upper chamber of the frame portion. The support and hub are housed substantially in their entireties within the frame portion and the lower side of each hub has apertured tags with pins that comprise quick release fastenings for downwardly extending tines.Type: GrantFiled: July 17, 1975Date of Patent: August 23, 1977Inventor: Cornelis van der Lely
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Patent number: 4029156Abstract: A tine for use on rotary soil working members that are rotated about upwardly extending axes has a upper fastening portion joined to a lower soil working portion. Each of the portions has a longitudinal axis and one axis is preferably inclined to the other so that the soil working portion can be held in a trailing or a leading position. The soil working portion has a oval cross section region that merges into a polygonal cross section region towards the lower tip of the tine. The fastening portion has means for fastening the tine to support holders of a soil working member.Type: GrantFiled: January 29, 1975Date of Patent: June 14, 1977Inventor: Cornelis van der Lely
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Patent number: 4002209Abstract: A tine mounting and tine both comprise a rotatable soil working member for a harrow designed to resist damage from stones and other debris on or in the soil. The mounting has an upper shaft that defines an axis of rotation and a holder with a bore that extends at an angle to intersect that axis. The fastening portion of a tine extends through the bore and has a threaded end that receives a retaining nut protected by a screening recess in the mounting. The tine has a lower soil working portion that joins the fastening portion adjacent the bottom of the holder and the junction is thickened with a polygonal cross section having recesses in its sides. The soil working portion has an upper part that extends in the same direction as the longitudinal axis of the fastening portion and the upper part is connected to a lower part by an integral bend. The lower part extends substantially parallel to the axis of rotation of the soil working member.Type: GrantFiled: March 6, 1975Date of Patent: January 11, 1977Inventor: Cornelis van der Lely
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Patent number: 3982593Abstract: A cultivating machine having a body, at least one wheel supporting the body during normal use, and one or more soil-working blades. The blade(s) may be either serrated or generally V-shaped so that it can penetrate the soil and loosen it. The blade(s) is preferably rounded, so that it loosens the soil and pulls weeds out by the roots rather than cutting the tops of the weeds off and leaving the bottoms of the weeds in the ground to regrow, and the blade or at least one of the blades preferably projects laterally beyond the body of the cultivator on at least one side so that the cultivator may be used to loosen the soil and to pull out weeds underneath overhanging leaves of desirable plants without damaging the desirable plants by contact with moving parts of the cultivator. A motor may be mounted on the body and operatively connected to either or both of the wheel and the blades.Type: GrantFiled: October 16, 1974Date of Patent: September 28, 1976Inventor: Paul A. Grobey
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Patent number: 3939917Abstract: A spiker blade for use on a turf spiker assembly to break and ventilate a ground surface thereby facilitating penetration of air, water and nutrient through the surface. The spiker blade has a tooth profile with a trailing edge having a counterdepression segment. The counterdepression segment functions to create a ground surface depression into which ruffled material kicked up by the tooth during spiking may be deposited. As a result, the ground surface after spiking has taken place is maintained relatively smooth with an unruffled appearance.Type: GrantFiled: May 28, 1974Date of Patent: February 24, 1976Assignee: The Toro CompanyInventors: E. Smith Reed, Jr., David J. Scherbring