Including Dispensed Material Deflector Patents (Class 111/150)
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Patent number: 10278325Abstract: An agricultural product applicator includes a boot formed from a resilient material. The boot includes at least one bending control support rib that enables the boot to bend about a transverse axis of the applicator. The boot also includes at least one support enables the applicator to bend about the transverse axis and to return to an initial shape after bending. The agricultural product applicator also includes a tube portion extending along a longitudinal axis of the applicator, wherein the tube portion has a first opening that receives an agricultural product supply line and a second opening that deposits agricultural product from the agricultural product supply line into soil.Type: GrantFiled: August 19, 2016Date of Patent: May 7, 2019Assignee: CNH Industrial America LLCInventors: Brian John Anderson, Chad M. Johnson, Marvin A. Prickel
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Patent number: 10225975Abstract: A double shoot dispensing system including a shank for opening a treatment trench, a seed shovel for creating left and right seed shelves above and on opposite sides of the treatment trench, and a two-piece boot body having a plurality of internal passages defined by assembled left and right halves of the body. A first passage directs the seeds onto the seed shelves, a second passage directs a granular fertilizer treatment into the treatment trench, and first and second tube passages receive first and second tubes delivering additional treatments into the treatment trench. Left and right ducts branch from the first passage so as to guide the deposit of the seeds. The body is constructed of a material having a relatively low mass and a relatively low coefficient of friction, such as polyurethane, polyethylene, nylon, or polyacetal, and is externally shaped so as to taper in a direction of travel.Type: GrantFiled: March 16, 2017Date of Patent: March 12, 2019Assignee: Morris Industries Ltd.Inventors: Clint W. Sheppard, Garth W. Massie
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Patent number: 10091927Abstract: A seed firmer for pressing seeds into soil during planting. The seed firmer includes a mount for attachment to a row unit of a planting machine. An arm defines a ground-facing surface having at least one point of contact with the ground, including a rearmost ground contact point with respect to a direction of forward travel during planting operation. The ground-facing surface has a transition section directly trailing a rearmost ground contact point, the transition section can extending upwardly from the rearmost ground contact point with a radius no less than 25 mm.Type: GrantFiled: December 8, 2017Date of Patent: October 9, 2018Assignee: DEERE & COMPANYInventors: Elijah B. Garner, Jacob D. Salowitz, Kamalakannan Natarajan, Mark Underwood, Drew Whitcomb, Charles T. Graham, Dnyanesh Dhobale
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Patent number: 9848524Abstract: A closing wheel assembly is provided for a row unit agricultural planter. The planter is configured to open a trench in the soil and the closing wheel assembly is configured to close the trench. A resilient flap is provided for firming and leveling the soil returned to the trench by the closing wheel assembly. Pivotally mounted offset closing wheels are also provided.Type: GrantFiled: October 24, 2013Date of Patent: December 26, 2017Assignee: Precision Planting LLCInventors: Derek Sauder, Jeremy Hodel, Cory Muhlbauer
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Patent number: 9736978Abstract: A supporting device for supporting a furrow device and/or for connecting the same to a seed tube of a seed planting unit is described. The supporting device may include a connection element and an alignment element joined to the connection element. The connection element may include a connection feature and a stand feature. The connection feature may be configured to attach the furrow device to the supporting device. The stand feature may be configured to position the furrow device at a desired angle relative to the furrow. The alignment element may include an alignment feature and a positioning feature. The alignment feature may be configured to axially align a longitudinal axis of the supporting device with a longitudinal axis of the seed tube. The positioning feature may be configured to position the furrow device at a desired location along a longitudinal dimension of the seed tube.Type: GrantFiled: January 24, 2014Date of Patent: August 22, 2017Assignee: Schaffert Manufacturing Company, Inc.Inventor: Paul E. Schaffert
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Patent number: 9713298Abstract: An agricultural seeding machine comprises, in one example, a seed delivery system configured to deliver seeds to at least one trench by two or more substantially gravity-drop channels, and a seed metering system comprising a rotating meter element configured to singulate seeds from a seed source into the two or more channels.Type: GrantFiled: September 30, 2015Date of Patent: July 25, 2017Assignee: Deer & CompanyInventor: Elijah B. Garner
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Patent number: 9402341Abstract: A seed firmer for use on a seed boot having a guide plate with a rear edge may include an elongated main portion having a mount end for mounting to the boot and a free end extending away from the boot. The main portion may have broad faces and narrow sides extending between the broad faces. The firmer may have a guide portion positioned at a medial location on the guide portion between the ends. The guide portion may have a thin, planar character that protrudes from the main portion in a plane that is oriented generally perpendicular to a plane of one broad face. The guide portion may have a peripheral edge with a substantially linear section and an arcuate section, and the substantially linear section may be positionable adjacent to the guide plate when the main portion is mounted on the boot.Type: GrantFiled: January 26, 2015Date of Patent: August 2, 2016Inventor: Danny Wipf
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Patent number: 9374943Abstract: An agricultural seeder implement includes a seed boot connected directly to an opener having a leading extremity and a trailing extremity. The seed boot and the opener form a channel and an outlet. The channel extends forwardly from an inlet of the seed boot proximate to the trailing extremity of the opener to the outlet behind the leading extremity of the opener. The opener is for being pulled for cutting a furrow in the ground by the leading extremity ahead of the outlet, and the channel is for guiding a stream of air-driven seed forwardly therethrough from the inlet and into the furrow through the outlet directed downwardly in the furrow.Type: GrantFiled: February 3, 2015Date of Patent: June 28, 2016Inventor: Ronald J. Kile
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Patent number: 8342109Abstract: A delivery boot for mounting on a shank of an agricultural implement and carrying a sweep blade. The boot features a channel member having front, rear and side walls defining a channel extending downward from an inlet proximate the top end to an outlet proximate the bottom end, a sweep connection element defined on the channel member at a front side and a shank connection element defined on the channel member at a rear side thereof. A spreader is supported on the channel member proximate the outlet thereof to receive product delivered from the inlet through the channel member and guide the product laterally outward to both sides of the outlet. Arranged to mount in front of the shank and behind the sweep, the boot positions the outlet ahead of the shank to minimize disruption of product placement by earth falling back into the furrow behind the shank.Type: GrantFiled: June 16, 2010Date of Patent: January 1, 2013Assignee: Atom Jet Industries (2002) Ltd.Inventors: Craig Senchuk, Donald Arksey
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Patent number: 8336467Abstract: An extension for use with a planter, drill, or other farming implement having a seed tube that deposits seed in a furrow. The extension defines protrusions for attaching one or more liquid distribution apparatuses arranged to distribute liquid in a furrow well above the seeds, on the seeds, or both.Type: GrantFiled: May 4, 2010Date of Patent: December 25, 2012Inventor: Paul E. Schaffert
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Patent number: 8291844Abstract: Aspects of the present invention involve an extension adapted to extend from a planter, such as the seed tube portion of the planter, into a seed furrow in order to engage seeds being deposited therein, where such engagement may involve deflecting the seeds toward the vertex region of the furrow and/or firming the seeds in the furrow. The extension includes or supports a fluid distribution arrangement such as a hose or the like, which may be separate or integral with the liquid supply hose of a planter. The fluid distribution arrangement is adapted to supply fluid, such as liquid fertilizer, insecticide, water, etc., to the furrow. A valve is provided in the fluid flow path in the region of the fluid distribution arrangement to control the distribution of fluid to the furrow. The valve may be a check valve that allows fluid flow therethrough when fluid pressure exceeds a value such that the valve opens, and prevents fluid flow when the pressure decreases below the valve activation pressure.Type: GrantFiled: May 17, 2011Date of Patent: October 23, 2012Inventor: Paul E. Schaffert
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Patent number: 7942102Abstract: Aspects of the present invention involve an extension adapted to extend from a planter, such as the seed tube portion of the planter, into a seed furrow in order to engage seeds being deposited therein, where such engagement may involve deflecting the seeds toward the vertex region of the furrow and/or firming the seeds in the furrow. The extension includes or supports a fluid distribution arrangement such as a hose or the like, which may be separate or integral with the liquid supply hose of a planter. The fluid distribution arrangement is adapted to supply fluid, such as liquid fertilizer, insecticide, water, etc., to the furrow. A valve is provided in the fluid flow path in the region of the fluid distribution arrangement to control the distribution of fluid to the furrow. The valve may be a check valve that allows fluid flow therethrough when fluid pressure exceeds a value such that the valve opens, and prevents fluid flow when the pressure decreases below the valve activation pressure.Type: GrantFiled: June 29, 2009Date of Patent: May 17, 2011Inventor: Paul E. Schaffert
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Publication number: 20110005440Abstract: A planting unit for depositing fertilizer and seed in a single pass, double shoot manner includes a rotating disc that cuts a furrow in a planting surface and a trailing seed boot, having a cutting edge, that cuts a vertically and horizontally offset trench in the furrow to form a seed bed in the planting surface. The disc has a mounting frame for mounting the disc to a linkage assembly that is, in turn, coupled to a toolbar mount. The seed boot is also attached to the mounting frame. This common attachment provides a relatively short and compact device without sacrificing fertilizer and seed stratification.Type: ApplicationFiled: September 21, 2010Publication date: January 13, 2011Inventors: Robin B. Schilling, Matthew S. Naylor, Dennis W. Chahley
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Patent number: 7707952Abstract: An extension for use with a planter, drill, or other farming implement having a seed tube that deposits seed in a furrow. The extension defines protrusions for attaching one or more liquid distribution apparatuses arranged to distribute liquid in a furrow well above the seeds, on the seeds, or both.Type: GrantFiled: September 27, 2007Date of Patent: May 4, 2010Inventor: Paul E. Schaffert
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Publication number: 20100024699Abstract: Aspects of the present invention involve an extension adapted to extend from a planter, such as the seed tube portion of the planter, into a seed furrow in order to engage seeds being deposited therein, where such engagement may involve deflecting the seeds toward the vertex region of the furrow and/or firming the seeds in the furrow. The extension includes or supports a fluid distribution arrangement such as a hose or the like, which may be separate or integral with the liquid supply hose of a planter. The fluid distribution arrangement is adapted to supply fluid, such as liquid fertilizer, insecticide, water, etc., to the furrow. A valve is provided in the fluid flow path in the region of the fluid distribution arrangement to control the distribution of fluid to the furrow. The valve may be a check valve that allows fluid flow therethrough when fluid pressure exceeds a value such that the valve opens, and prevents fluid flow when the pressure decreases below the valve activation pressure.Type: ApplicationFiled: June 29, 2009Publication date: February 4, 2010Inventor: Paul E. Schaffert
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Patent number: 7617783Abstract: A paired row opener has a furrowing tip arranged to be selectively supported on a body of the opener. The furrowing tip includes a knife portion and a pair of wing portions extending rearwardly and outwardly therefrom. A central chamber between the wing portions communicates with a primary delivery passage of the opener body to receive the primary particulate material therefrom to be dispensed in a paired row from a pair of outlet openings of the chamber which are laterally spaced apart in a rear face of the tip body. A bottom wall spans a bottom side of the chamber between the wing portions to the rear face such that the outlet openings lie in an upright plane at a rearmost end of the tip body to be prevented from plugging even in wet conditions, while remaining selectively separable with the tip body from the opener body for replacement.Type: GrantFiled: October 7, 2008Date of Patent: November 17, 2009Assignee: Dutch Blacksmith Shop Ltd.Inventor: Brian Cruson
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Patent number: 7552689Abstract: Aspects of the present invention involve an extension adapted to extend from a planter, such as the seed tube portion of the planter, into a seed furrow in order to engage seeds being deposited therein, where such engagement may involve deflecting the seeds toward the vertex region of the furrow and/or firming the seeds in the furrow. The extension includes or supports a fluid distribution arrangement such as a hose or the like, which may be separate or integral with the liquid supply hose of a planter. The fluid distribution arrangement is adapted to supply fluid, such as liquid fertilizer, insecticide, water, etc., to the furrow. A valve is provided in the fluid flow path in the region of the fluid distribution arrangement to control the distribution of fluid to the furrow. The valve may be a check valve that allows fluid flow therethrough when fluid pressure exceeds a value such that the valve opens, and prevents fluid flow when the pressure decreases below the valve activation pressure.Type: GrantFiled: June 28, 2005Date of Patent: June 30, 2009Inventor: Paul E. Schaffert
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Publication number: 20090084295Abstract: An extension for use with a planter, drill, or other farming implement having a seed tube that deposits seed in a furrow. The extension defines protrusions for attaching one or more liquid distribution apparatuses arranged to distribute liquid in a furrow well above the seeds, on the seeds, or both.Type: ApplicationFiled: September 27, 2007Publication date: April 2, 2009Inventor: Paul E. Schaffert
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Publication number: 20080257237Abstract: A furrow opener device includes a disc arranged to open a primary furrow in the ground. A scraper body has a leading scraper edge supported alongside the disc to scrape the disc. A wing member is supported on a bottom portion of the scraper body in proximity to a bottom end of the disc and extends laterally outwardly away from the disc so as to be arranged to open a groove in the primary furrow projecting laterally to one side of the primary furrow, and a tube extends generally downward to an output opening located adjacent the wing member and is arranged for depositing product into the groove.Type: ApplicationFiled: April 17, 2008Publication date: October 23, 2008Inventors: Dick Edward Friesen, Peter Hugh Barton
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Patent number: 7263937Abstract: A mutually-engageable or interlocking connection between a seed tube guard and a frame member mounted to a seed planting machine. The mutually-engageable connection includes a yoke having a front journal and a rear journal with a gap, the yoke, carried on the frame member, and a pin connected to a neck, carried by the guard. The pin is sized to fit between and into the front and rear journals, wherein the neck has a thickness less than a width of the gap in order to slide though the gap during installation, and a length to fit between and through the front and rear journals.Type: GrantFiled: January 31, 2004Date of Patent: September 4, 2007Assignee: Deere & CompanyInventor: Michael Eugene Frasier
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Patent number: 7168376Abstract: An integral cast seed boot is provided with a mounting assembly for securing the seed boot to a planting unit frame. A single furrow opener disc is rotatively mounted to the planting unit frame by a bearing assembly. The seed boot defines a seed entry passage having an inlet for receiving seed from a seed meter and an outlet for depositing metered seed into a seed planting furrow formed by the furrow opener. The seed inlet is located in front of the mounting assembly. The seed entry passage slopes continuously and uniformly downwardly and rearwardly from the inlet to the outlet. The outlet is located below the bearing assembly of the furrow opener disc.Type: GrantFiled: August 1, 2003Date of Patent: January 30, 2007Assignee: Deere & CompanyInventor: Mark Johnston
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Patent number: 7121216Abstract: An extension for use with a planter, drill, or other farming implement having a seed tube that deposits seed in a furrow. The extension defines protrusions for attaching one or more liquid distribution apparatuses arranged to distribute liquid in a furrow well above the seeds, on the seeds, or both.Type: GrantFiled: April 6, 2004Date of Patent: October 17, 2006Inventor: Paul E. Schaffert
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Patent number: 7104205Abstract: A pivot mechanism for pivotally attaching two members about a pivot axis comprises a first member defining a first pivot hole, and having first and second bearing surfaces oriented perpendicular to the pivot axis. A second member defines a second pivot hole aligned with the first pivot hole, and a pivot plate defines a plate pivot hole aligned with the first and second pivot holes such that inner surfaces of the second member and pivot plate are parallel to the bearing surfaces. Wear pads are located between the inner and bearing surfaces. A pivot pin extends through the pivot holes. The pivot plate and second member are squeezed against the wear pads, and the second member and the pivot plate rotate together with respect to the first member. A residue deflector deflects residue clumps falling off a front seeder leg away from the path of a rear seeder leg.Type: GrantFiled: January 2, 2004Date of Patent: September 12, 2006Assignee: Straw Track Manufacturing Inc.Inventor: Norbert Beaujot
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Patent number: 6990911Abstract: A planting assembly including a frame, a furrow opening mechanism, a seed tube for directing a seed into a furrow, a liquid source, a liquid delivery conduit having a delivery end, and a furrow closing mechanism. An adapter is configured for mounting to the seed tube, and a spray arm including a proximal end is configured for mounting to the adapter. The spray arm includes a central portion and a distal end, the central portion extends rearward such that the distal end is disposed above the furrow. The liquid delivery conduit is in fluid communication with the liquid source and the delivery end is adjacent to the distal end.Type: GrantFiled: October 29, 2003Date of Patent: January 31, 2006Assignee: AG-Solutions, Inc.Inventor: Jeffrey M. Schneider
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Patent number: 6763773Abstract: An extension for use with a planter, drill, or other farming implement having a seed tube that deposits seed in a furrow. The extension defining one or more depressions for locating one or more liquid distribution apparatuses arranged to distribute liquid in a furrow well above the seeds, on the seeds, or both.Type: GrantFiled: August 26, 2002Date of Patent: July 20, 2004Inventor: Paul E. Schaffert
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Patent number: 6666156Abstract: A seed flap for a disc opener associates with an air seeder operable to place seed and fertilizer into a furrow formed in the ground by the disc opener. The seed flap is formed from a non-flexible material, such as an abrasion resistant steel, and pivotally mounted to the seed tube to permit the seed flap to trail behind the seed tube and control the placement of seeds and/or fertilizer discharged from the seed tube. The pivotal mounting of the seed flap will provide movement of the seed flap relative to the seed tube to permit the seed flap to more consistently align with the bottom of the furrow and better follow the furrow bottom created by the disc opener while the disc opener is moving through a turn. A spring mechanism operably coupled to the seed flap will provide a positive force for firming the placement of the seed into the soil. A retention device, such as a clip, will be operable to hold the seed flap in an elevated, inoperable position as desired by the operator.Type: GrantFiled: August 22, 2002Date of Patent: December 23, 2003Assignee: New Holland North AmericaInventors: Dean Mayerle, Vince Colistro, Dick Friesen, Robin Schilling
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Patent number: 6453832Abstract: A liquid distribution apparatus for use with a planter, drill or other farming implement having a seed tube that deposits seeds in a furrow. The liquid distribution apparatus includes a supply channel in fluid connection with a hose supplying a liquid to the furrow. The liquid distribution apparatus also includes a distribution channel that is oriented to distribute the liquid onto one or both sidewalls of the furrow. The apparatus may be used alone or along with an extension for reducing seed bounce.Type: GrantFiled: April 9, 2001Date of Patent: September 24, 2002Inventor: Paul E. Schaffert
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Patent number: 6289829Abstract: A planting machine for delivering liquid pesticides to the soil mixing zone preceding the furrow closing mechanism to effectively distribute liquid pesticide throughout soil covering seed in a furrow. The planting machine has a furrow opening mechanism, seed dispensing means, and furrow closing mechanism and includes a seed positioning means mounted on the seed dispensing means for effectively locating seeds in the furrow. Also, the planting machine includes means for liquid pesticide spray delivery mounted thereon so as to direct a spray towards the furrow closing mechanism and into the soil mixing zone being created by the furrow closing mechanism. The means for spray delivery can be mounted on the conventional seed positioning means as well as independently mounted on the planting machine.Type: GrantFiled: September 15, 1999Date of Patent: September 18, 2001Assignee: Aventis CropScience S.A.Inventors: James D. Fish, Timothy J. Bender, David A. Feist, Grant E. Splear
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Patent number: 6283050Abstract: An extension for use with a furrow opener is disclosed for properly placing seeds in a furrow. The extension attaches by way of particular attachment brackets to the furrow opener to help direct bouncing seeds into the vertex in the bottom portion of the furrow. The extension comprises an elongated flexible body member defining a general arcuate shape, and also defines an upper segment and a lower segment. The upper segment defines an attachment structure for releasable engagement to the furrow opener. The lower segment depends downwardly and rearwardly from the furrow opener and extends into the furrow. The lower segment has a width dimension decreasing continuously along its length, the width dimension substantially equal to but less than the width of the furrow along the length of the extension. The lower segment terminates at a trailing end, which is spaced above the centrally located bottom portion of the furrow.Type: GrantFiled: May 2, 2000Date of Patent: September 4, 2001Inventor: Paul E. Schaffert
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Patent number: 6178901Abstract: A furrow opener of an air seed planter is equipped with a seed boot and seed positioner for planting one or more rows of seeds in soil. The seed boot has walls providing a passage for directing seeds into a furrow. The seed positioner attached to the seed boot channels seeds in one or more rows of seeds and covers the seeds with a substantially uniform layer of soil. The forward ground speed of the air seed planter and the velocity of the seeds carried by the flowing air reduce seed bounce due to the reverse drop of the seed boot.Type: GrantFiled: May 14, 1999Date of Patent: January 30, 2001Inventor: Kevin M. Anderson
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Patent number: 6082275Abstract: An extension for use with a furrow opener is disclosed for properly placing seeds in a furrow. The extension attaches by way of particular attachment brackets to the furrow opener to help direct bouncing seeds into the vertex in the bottom portion of the furrow. The extension comprises an elongated flexible body member defining a general arcuate shape, and also defines an upper segment and a lower segment. The upper segment defines an attachment structure for releasable engagement to the furrow opener. The lower segment depends downwardly and rearwardly from the furrow opener and extends into the furrow. The lower segment has a width dimension decreasing continuously along its length, the width dimension substantially equal to but less than the width of the furrow along the length of the extension. The lower segment terminates at a trailing end, which is spaced above the centrally located bottom portion of the furrow.Type: GrantFiled: June 23, 1997Date of Patent: July 4, 2000Inventor: Paul E. Schaffert
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Patent number: 5996514Abstract: The invention comprises an apparatus for the subsurface application of chemicals such as metham sodium in soil. A frame is shown, capable of being pulled across a field, the frame having a plurality of shanks with a plate and a rearwardly discharging wide angle flat spray nozzle mounted at the end of each shank. The plates all lie in a single plane, substantially horizontal to the soil's surface. Structure is provided for delivering the chemical from a reservoir to the nozzles. The chemical is thereby applied in a single pass at a depth of up to 12 inches, and allowed to migrate upward in the soil, thereby achieving application of the chemical in a discrete layer of the soil, without unduly disturbing the soil's surface.Type: GrantFiled: September 5, 1997Date of Patent: December 7, 1999Inventors: James M. Arriola, D. Martin Arriola
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Patent number: 5983813Abstract: The invention relates to a spreader for use on a delivery tube of a seeding tool. The spreader is mounted for adjustable positioning in the product stream providing a selectable width of product scatter. The invention preferably includes a tapered deflecting surface with a convex laterally angled surfaces for achieving an even scatter pattern, especially over the varying scatter widths. The deflecting surface is pivoted or advanced into the product stream to change the breadth of surface struck by the product as a result causing different scatter patterns. In a preferred embodiment the spreader includes a channel for mounting onto the delivery tube with a pivot pin pivotally securing it adjacent the outlet and selectively adjustable securing points for angular adjustment. The spreading deflecting surface is separated from the outlet in the direction of product stream so that deflected product is not shielded by the delivery tube.Type: GrantFiled: November 5, 1997Date of Patent: November 16, 1999Assignee: Flexi-Coil LtdInventors: Gerry S. Swab, James W. Henry, Murray H. Wood
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Patent number: 5918557Abstract: An extension for use with a furrow opener is disclosed for properly placing seeds in a furrow. The extension attaches to the furrow opener to help direct bouncing seeds into the vertex in the bottom portion of the furrow. The extension comprises an elongated flexible body member defining a general arcuate shape, and also defines an upper segment and a lower segment. The upper segment defines an attachment structure for releasable engagement to the furrow opener. The lower segment depends downwardly and rearwardly from the furrow opener and extends into the furrow. The lower segment has a width dimension decreasing continuously along its length, the width dimension substantially equal to but less than the width of the furrow along the length of the extension. The extension does not contact the furrow. The lower segment terminates at a trailing end, which is spaced above the centrally located bottom portion of the furrow.Type: GrantFiled: June 23, 1997Date of Patent: July 6, 1999Inventor: Paul E. Schaffert
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Patent number: 5640915Abstract: An extension for use with a furrow opener is disclosed for properly placing seeds in a furrow. The extension attaches to the furrow opener to help direct bouncing seeds into the vertex in the bottom portion of the furrow. The extension comprises an elongated flexible body member defining a general arcuate shape, and also defines an upper segment and a lower segment. The upper segment defines an attachment structure for releasable engagement to the furrow opener. The lower segment depends downwardly and rearwardly from the furrow opener and extends into the furrow. The lower segment has a width dimension decreasing continuously along its length, the width dimension substantially equal to but less than the width of the furrow along the length of the extension. The extension does not contact the furrow. The lower segment terminates at a trailing end, which is spaced above the centrally located bottom portion of the furrow.Type: GrantFiled: October 30, 1995Date of Patent: June 24, 1997Inventor: Paul E. Schaffert
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Patent number: 5452673Abstract: An anhydrous ammonia knife including a shank attached to an implement tool bar, a knife segment attached to the forward edge of the shank, and an ammonia delivery tube disposed between the forward edge of the shank and the leading edge of the knife segment. The knife selectively penetrates the soil to a predetermined depth and the tube discharge end is disposed in fluid communication with the soil. Ammonia is discharged into the soil at a position immediately behind the leading edge of the knife segment as the furrow is first opened. This positioning minimizes the amount of ammonia vapor lost to the atmosphere since the ammonia is quickly entrapped in the soil.Type: GrantFiled: May 23, 1994Date of Patent: September 26, 1995Inventor: Douglas G. Bruce
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Patent number: 5375541Abstract: A machine for slitting turf or soil and inserting particulate solids in the bottom of the cut slits. This machine consists of a propulsion unit, cutter blades, a material hopper, a material flow control valve, a set of rotary material supply vanes driven by a measurement wheel in contact with the ground, a set of insertion tubes mounted on a gimbal assembly which allows the insertion tubes to free float independent of machine tip and tilt motion. The insertion tubes therefore follow the bottom of the cut slits, dispensing the solid material therein. Also disclosed is a novel insertion tube.Type: GrantFiled: March 12, 1992Date of Patent: December 27, 1994Inventor: Laurence McGann
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Patent number: 5074228Abstract: The selective creation of tramlines is disclosed where the metered seed normlly delivered through the outlet hose (18b) of the row planter unit (20b) corresponding to the desired location of the tramline is diverted by a butterfly valve (26) to one or both of the row planter units (20a, 30c) located adjacent to and on opposite sides of the row planter unit (20b). The butterfly valve (26) includes an inlet conduit (28) which intersects with first and second outlet conduits (30, 32) and a butterfly element (34) which is pivoted by a solenoid actuator (40) against the bias of a spring (36) to selectively block one of the outlet conduits (30, 32).Type: GrantFiled: October 4, 1990Date of Patent: December 24, 1991Inventor: Gregory R. Daws
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Patent number: 4911090Abstract: A seed boot for air seeders includes a cast hollow body having a relatively narrow cylindrical upper end intake into which a seed tube may be clamped. Vertically spaced apart transverse ribs or steps are situated one on the front wall and one on the rear wall of the interior of the body to equal distribution of the seed regardless of the angle at which the tube enters the boot. Spreaders may be secured to the bottom or discharge end of the boot and can be used to adjust the spread pattern of the seed and an air release slot or vent is provided in the rear wall of the body to reduce air pressure thus reducing the speed at which the seed strikes the ground thereby reducing bounce. A rear strut may be provided at the rear of the boot to accommodate a banding knife if desired, to permit seeding and fertilizer banding in one operation.Type: GrantFiled: August 12, 1988Date of Patent: March 27, 1990Inventor: Harvey Schimke