Laterally Adjustable Tool Patents (Class 172/446)
  • Publication number: 20130056234
    Abstract: The invention relates to a semi-mounted reversible plow 1 with an apparatus for transfer of the weight from the plow to the tractor to improve the traction of the tractor for which the rotational axis 11 is arranged in such a way that the transfer of the weight, at the same time, also effects a required torque for the turning process and an increase in the stability of the tractor during the turning process.
    Type: Application
    Filed: May 6, 2011
    Publication date: March 7, 2013
    Applicant: LEMKEN GMBH & CO. KG
    Inventor: Wilhelm Meurs
  • Patent number: 8256526
    Abstract: An apparatus for positioning a pull type farm implement has an elongated tongue being drawn by a motor vehicle having a vehicle hitch on the rear end thereof configured for attachment to the tongue, the apparatus including a hydraulic hitch mechanism configured to have one end portion attached to the vehicle hitch and an opposite end portion configured to be attached to the tongue of the implement in a non-pivoting manner, the hitch mechanism having at least one hydraulic cylinder for selectively adjusting the lateral position of the front end of the tongue. An optional GPS is operable to detect the position of the tool bar relative to the desired path and repeatedly generate position signals and apparatus for controlling the hydraulic hitch mechanism to adjust the lateral position of the tongue so that the implement follows the desired path of movement in response to the GPS signals.
    Type: Grant
    Filed: July 8, 2008
    Date of Patent: September 4, 2012
    Assignee: A.I.L., Inc.
    Inventors: Eugene H. Schmidt, Marlin W. Unruh
  • Patent number: 7575067
    Abstract: A scraper system for scraping and ripping a support surface includes a frame being pulled behind the vehicle. The frame includes an adjustment beam slidably mounted to a front beam. A pair of mounting ends of the adjustment beam extends from opposing ends of the front beam. The frame includes a pair of side walls. Each of the mounting ends of the adjustment beam has one of the side walls coupled thereto. The adjustment beam is slid with respect to the front beam to adjust a lateral positioning of the side walls with respect to the front beam. A scraper assembly is coupled to and extends downwardly from the frame. The scraper assembly scrapes the support surface to smooth out the support surface. The scraper assembly is coupled to and extends between the side walls of the frame.
    Type: Grant
    Filed: May 22, 2007
    Date of Patent: August 18, 2009
    Inventor: Harvey A. Reyes
  • Patent number: 7487843
    Abstract: A quick hitch for a three point hitch for a work machine which is quickly and easily configurable without lifting, in at least two width configurations for connection to a three point hitch of a work machine on one side, and to a work element, such as an implement or the like, on an opposite side, including optionally wherein the three point hitch is in a first width configuration and connectors of the work element are in a second width configuration greater than the first, all without requiring changing the vertical spacing between the connections and a upper center connection.
    Type: Grant
    Filed: October 19, 2004
    Date of Patent: February 10, 2009
    Assignee: CNH America LLC
    Inventors: Thomas B. Tuttle, Jon R. Hagarty
  • Patent number: 7461702
    Abstract: A coupling assembly for use with a tractor having a three point mounting hitch assembly having two extension legs telescopically retained by two generally vertical sleeve members slanted towards each other and two lateral extension arms telescopically retained by a cross sleeve member, wherein the lateral extension arms can be extended or retracted and wherein the extension legs can be extended or retracted to alter the relative positions of an upper hook and two lower hooks.
    Type: Grant
    Filed: June 30, 2005
    Date of Patent: December 9, 2008
    Inventors: Fred L. Farnsworth, Jason R. Farnsworth
  • Patent number: 6920941
    Abstract: A grass treatment apparatus is adapted to be coupled with a propellant vehicle in order to be movable over the ground and which mounts a plurality of grass treatment units which are engageable with the ground in order to carry out required grass treatment operations. The apparatus includes a main frame having mountings for coupling to the propelling vehicle and a grass treatment unit mounted on the main frame. A side frame is adjustably mounted on the main frame and has a grass treatment unit mounted thereon. The main frame has a mounting recess for receiving the side frame. A power operated device couples the side frame to the main frame and adjusts the side frame between an outwardly deployed position in which it is laterally spaced from the main frame and an inwardly deployed position in which the side frame is received by the mounting recess.
    Type: Grant
    Filed: April 24, 2003
    Date of Patent: July 26, 2005
    Inventor: David Michel
  • Patent number: 6585056
    Abstract: Machine for working the soil in tree or shrub plantations, consisting of a chassis (1-2) equipped with mechanisms (4-5a, 11, 11) allowing it to be mounted on the universal three-point hitch system of a farm tractor and consisting, laterally, of mechanisms (28a, 28b) permitting the mounting of lateral tools (29A, 29B) allowing the working of the soil near the feet of the aligned trees or shrubs and mechanisms for driving these tools in rotation from the power take-off shaft of the tractor, characterized in that the chassis (1-2) is itself provided with a universal three-point hitch system (4-5b, 13, 13) allowing the mounting, on this chassis, of a second machine that customarily moves in between the rows, for the working or the treatment of the soil, or any other job related to the cultivating of the trees or shrubs.
    Type: Grant
    Filed: November 6, 2001
    Date of Patent: July 1, 2003
    Assignee: Pellenc, S. A.
    Inventors: Roger Pellenc, Robert Delran
  • Patent number: 6352125
    Abstract: Apparatus for maintaining a tool bar in a controlled position behind a tractor having a conventional three-point hitch arrangement including an upper arm and a pair of lower lift arms. The apparatus has a tool bar positioned near the tractor extending in a direction generally perpendicular to a line of travel of the tractor and at least two upper mounts laterally spaced apart and fixedly connected to the tool bar for pivotal connection to the upper arm of the conventional three-point hitch. Each of the upper mounts has at least one apertured plate, and multiple spaced apart lower mounts laterally spaced apart and fixedly connected to the tool bar are associated with each upper mount for pivotal connection to the lower lift arms of the conventional three-point hitch.
    Type: Grant
    Filed: December 16, 1999
    Date of Patent: March 5, 2002
    Inventor: Kenneth E. Shoup
  • Patent number: 5971082
    Abstract: A hitch module for a track-type work machine in which the pivot point of a towed work implement is varied by selectively positioning a pair of links joining the work machine to a hitch frame.
    Type: Grant
    Filed: September 29, 1997
    Date of Patent: October 26, 1999
    Assignee: Caterpillar Inc.
    Inventor: Ronald L. Satzler
  • Patent number: 5931234
    Abstract: The present invention is a multi-purpose tractor toolbar device which is designed to be attached to a conventional tractor. The toolbar includes a first frame section and a second frame section. The first frame section is slideably mounted to the second frame section via a sliding mechanism. The second frame section is removably secured to the conventional tractor. The sliding mechanism enables the first frame section to travel transversely along the tractor and optionally can be retracted so as to enable the first frame section to be situated rearwardly and centrally behind the tractor. The first frame section is designed to accept and maintain a plurality of conventional farming implements, such as toppers, sprayers or the like. The multi-purpose tractor toolbar device is also equipped with a hydraulic cylinder for enabling angular movement of the first frame section. The attachment of the toolbar device of the present invention to the conventional tractor occurs via a conventional three point hitch.
    Type: Grant
    Filed: October 21, 1996
    Date of Patent: August 3, 1999
    Inventor: Larry Gene Trowbridge
  • Patent number: 4825956
    Abstract: A roll control structure adapted to automatically control an earth working machine, such as a rotary cultivator so that the machine becomes horizontal in the lateral direction irrespective of the inclination of the ground surface, i.e., in such a manner that the machine assumes a posture preset by the operator. The roll control structure is characterized in that it is provided with left and right stroke sensors for detecting strokes, i.e. a distance between arbitrary points on the left and right lift arms in an earth working implement connecting link mechanism and those on the left and right lower links in the same mechanism to determine an angle of inclination in the lateral direction of the implement with respect to a tractor on the basis of a difference between the detected strokes.
    Type: Grant
    Filed: March 16, 1987
    Date of Patent: May 2, 1989
    Assignee: Iseki & Co., Ltd.
    Inventors: Yuji Kanato, Nakashiro Mukai
  • Patent number: 4821807
    Abstract: An appaatus is provided for automatically longitudinally shifting a horizontal transverse tool bar and the tillage unit or units supported therefrom relative to the lift hitch of a tractor from which the tool bar is supported responsive to crop row sensing structure sensing misalignment of the tillage unit relative to an associated crop row whereby to reestablish proper alignment of the tillage unit relative to the crop row and the crop row position sensing structure is adjustable for crop row width, elevation of the sensing structure relative to the tillage unit and also in a manner to adapt the crop sensing unit for sensing the stems or stalks of a row crop or opposite sides of an earth ridge in which a row crop is growing or is to be planted.
    Type: Grant
    Filed: June 12, 1986
    Date of Patent: April 18, 1989
    Inventor: Eldon E. Trumm
  • Patent number: 4729435
    Abstract: An agricultural tilling implement is described which is adapted to be connected to the rear of a tractor having a three-point hitch. The implement comprises an elongated tool bar which preferably has two attachments thereon, spaced from each other, for connection to the three-point hitch of the tractor. A plurality of tilling units are carried by the tool bar. Each tilling unit comprises a downwardly depending ripper member and two rotatable wheels adjacent the ripper member. The wheels are vertically adjustable and, preferably, are also adjustable inwardly and outwardly as well as forwardly and rearwardly. The wheels are adaptable to hold the soil firmly in the rows so that the ripper member does not disturb or injure the roots of growing row crops. Preferably the tilling units are also adapted to tow a secondary tiller unit.
    Type: Grant
    Filed: October 27, 1986
    Date of Patent: March 8, 1988
    Assignee: Krause Plow Corporation
    Inventor: Oren D. Urich
  • Patent number: 4679634
    Abstract: An apparatus for extending the frame of a conventional tractor whereby an agricultural implement may be mounted between the front and rear wheels of the tractor. A tractor is converted to an extended frame tractor by dismounting the front wheels of the tractor, attaching the extension frame to the frame of the tractor and then mounting the front wheels on the front of the extension frame. Extension power lines for powering the steering mechanism and the hitch control mechanism are coupled between the tractor power lines and the remounted front wheel assembly. The extension frame is also articulated at its connection point to the frame of the tractor for improved control of the tractor assembly. A mechanism is provided for shifting the farm implement laterally with respect to the front wheels of the tractor for proper alignment of the implement with the crop rows. Spring shock absorbers are also provided for cushioning forces to the agricultural implement caused by uneven terrain.
    Type: Grant
    Filed: February 11, 1986
    Date of Patent: July 14, 1987
    Inventor: Gerald L. Bulmahn
  • Patent number: 4564073
    Abstract: An improvement of a plow or a harrow of the type in which a plurality of saucer-like disks carried by a rotary shaft inclined at an angle with respect to the direction of travel of a tractor are forced to rotate, thereby plowing uncultivated farm land. The plurality of disks or disk gang is supported by a parallel linkage system and the angle of the disk gang with respect to the direction of travel of the tractor can be freely selected so that, in accordance with the skill of an operator and soil condition which will be encountered, either the horizontal travel or the inclined travel may be selected.
    Type: Grant
    Filed: July 16, 1984
    Date of Patent: January 14, 1986
    Assignee: Star Farm Machinery Mfg. Co., Ltd.
    Inventors: Katsuyuki Ide, Masatoshi Yamada, Katsusuke Sasaki
  • Patent number: 4561505
    Abstract: This invention relates to a folding tool bar assembly having a central tool bar structure and wing members hingedly mounted adjacent opposite ends thereof, with hinge mechanism pivotally connecting the respective wing members to the structure for movement between extended positions beyond the structure ends and folded positions overlying the central structure and including locking hooks to prevent relative movement of the central structure and wing members when in the operating position.
    Type: Grant
    Filed: June 9, 1983
    Date of Patent: December 31, 1985
    Assignee: Yetter Manufacturing Company
    Inventor: Gerald E. Williamson
  • Patent number: 4535847
    Abstract: A seated-operator type tractor has a vehicle proper (1), equipped rearwardly thereof with a link mechanism (6) and a scraper (9) for ground-leveling. The vehicle (1) is further provided with: a position-controlling mechanism (34) for controlling up-and-down position of the scraper (9); an automatic control mechanism for maintaining the scraper (9) in its left-and-right horizontal posture, by a sensor (50) therefor; a controlling valve (24) for controlling blade-angle adjustment of the scraper (9); and a manual switch (47) disposed near at hand of the seated operator, for shifting over the vehicle (24).
    Type: Grant
    Filed: May 2, 1983
    Date of Patent: August 20, 1985
    Assignee: Kubota, Ltd.
    Inventors: Shigekazu Hasegawa, Naoki Okita, Satoshi Machida
  • Patent number: 4402367
    Abstract: A pair of tool beams with support hitches for ground working implements, the support hitches being placeable at desired positions along the tool beams. By placement of hitches at desired positions, old and new implements for working different numbers of rows may be pulled by a large tractor. The tool beams are connected through linkages or hinges to a forward draft beam such that the tool beams can be turned from a transverse working position to a longitudinal, trailing position for transportation. In the position for transportation, the implements are positioned toward a center line between the tool beams. The hitches for the implements are connected to the tool beams through power lift supports for raising the implements, and the implements are held in a raised position while being transported and while the tool beams are being folded and unfolded.
    Type: Grant
    Filed: June 15, 1981
    Date of Patent: September 6, 1983
    Inventor: Chester F. Couser
  • Patent number: 4363362
    Abstract: An earth tilling machine is provided having a structural frame on which a plurality of earth working units are mounted and operable to cultivate or till the soil. Each earth working unit includes an earth working head having a plurality of earth working rotors each mounted for revolution about a respective vertical axis with the axes of all rotors of a particular head disposed in a common vertical plane. The rotors of each head are mounted for revolution about a single vertical axis which is coaxial with the axis of revolution of one of the rotors of each particular head whereby the effective working width of the head can be varied from a minimum of the effective working diameter of a single rotor to a maximum of the cumulative effective working length of all rotors carried by that head.
    Type: Grant
    Filed: March 7, 1980
    Date of Patent: December 14, 1982
    Inventor: Paolo Barato
  • Patent number: 4350211
    Abstract: An implement for general purpose broadcast or precision row crop cultivation comprising a central frame and two hingedly connected wings, or outer frames, all adapted for attachment of plow shanks at essentially any lateral position. The center frame includes cantilevered gauge wheel mounts extending beyond the hinge region so that gauge wheels for the center section are positioned in front of the side sections. Additional gauge wheels are carried by the wing sections at their ends opposite the center section. Hydraulic cylinders are provided for lifting the wing sections to an upright transporting position and latches are provided on the center section for holding the wing sections upright when the hydraulic cylinders are deactivated. Three point hitch members are provided on the front edge of the center section adapted for connection to standard tractor three point hitches with the cultivator spaced very closely to the rear of the tractor.
    Type: Grant
    Filed: October 11, 1979
    Date of Patent: September 21, 1982
    Inventor: Edward J. Coufal
  • Patent number: 4336846
    Abstract: A tool bar having a hollow central section and oppositely extending offset hinged wings movable from a generally horizontally transversely extending working position to a folded transport position. A hydraulic cylinder is positioned in the central section adjacent each wing and has its rod pivotally connected to a pair of rollers substantially spanning the hollow central section and to a pair of links via a slotted connection, with the links also being pivotally connected to the ear of a wing. The rollers reduce wing fall as the wing moves from the working position approximately 180.degree. to a transport position on top of the central section or vice versa. The slotted link connection prevents binding of the rollers against the central section during the procedures.
    Type: Grant
    Filed: March 5, 1981
    Date of Patent: June 29, 1982
    Assignee: International Harvester Co.
    Inventor: Charles Boetto
  • Patent number: 4286918
    Abstract: An implement transporter including a trailer carried by two wheels or a pair of rear wheels and a pair of front wheels on axes of rotation with a lifting mechanism for lifting an implement carried by the trailer. One end of the arm is pivotally connected to the trailer at one side at the rear of the trailer. The lifting mechanism holds the implement with its center of gravity spaced from the pivot in a direction towards the opposite end of the arm. The arm is pivotable from a lifting position to a transport position. In the transport position, the center of gravity of the implement is located forwardly of the axes of the rear wheels. A hydraulic arm is pivotally attached at one end to the arm and pivotally attached at the other end to the trailer at a point rearwardly and inwardly from the arm pivot for selective rotation of the arm. The arm is located longitudinally substantially at said one side of the trailer when in the transport position.
    Type: Grant
    Filed: June 26, 1979
    Date of Patent: September 1, 1981
    Inventor: Jefferson C. Shannon
  • Patent number: 4281720
    Abstract: An apparatus which is enclosed within a main tool bar carried by a vehicle and is used to raise and lower an auxiliary tool bar or other implement carrier such as a row marker. The apparatus includes a frame having a first portion of a cross-sectional size comparable to the cross-section of the main tool bar and a second portion of a size to be removably mounted within the main tool bar. Such frame supports a fluid cylinder having a guided piston rod the outer end of which is connected to one end of a link and the opposite end of such link is pivotally connected to a tongue carried by the auxiliary tool bar, such auxiliary tool bar being pivotally connected to the first portion of the frame which is mounted on the main tool bar.
    Type: Grant
    Filed: August 14, 1979
    Date of Patent: August 4, 1981
    Inventor: Arthur Tusing
  • Patent number: 4228861
    Abstract: A folding implement mountable on the three-point hitch of a tractor has a U-shaped, downwardly oriented, central member with a horizontal wing extending laterally from each side of the central member, behind the rear wheels of the tractor. Each horizontal wing has a series of downwardly extending tines spaced thereon. The tines score the earth behind each tractor wheel when the wings are horizontal. A lifting mechanism affixed to the wings and the tractor rotates the wings vertically each time the three-point hitch is raised so that the implement is folded out of the way when turning the tractor.
    Type: Grant
    Filed: August 2, 1979
    Date of Patent: October 21, 1980
    Inventor: Thomas E. Hart
  • Patent number: 4222583
    Abstract: An upper link storage device having a post secured to the cross bar of an inverted U-shaped bracket. A sleeve slidably retained on the upper link engages the post to positively arrest the upper link.
    Type: Grant
    Filed: November 27, 1978
    Date of Patent: September 16, 1980
    Assignee: International Harvester Company
    Inventor: Dieter Schillings
  • Patent number: 4198074
    Abstract: A structure for mounting a work implement on a tractor in which each of the right and left coupling means may be attached to the work implement in two alternative transversely reversed positions. This arrangement provides positional adjustment of the work implement in the transverse direction.
    Type: Grant
    Filed: August 18, 1978
    Date of Patent: April 15, 1980
    Assignee: Kubota, Ltd.
    Inventor: Toshio Ishiguro
  • Patent number: 4195860
    Abstract: An offset adapter dimensioned to connect different farm implements in offset relation to a tractor with a three point lift. The adapter is reversible to offset the implement to the right or to the left, and it is constructed to facilitate vertical adjustments of the implement with respect to the terrain. The adapter has a bar depending from which are brackets connectable to first and second hitching points on the implement. The first bracket is rigidly mounted to the bar and is designed to be connected to one of the implement hitching points; and the second bracket may be slidably disposed along the bar, but is capable of rigid attachment at a position on the bar corresponding to the position of a second implement hitching point. Two mountings are also provided for attachment of the bar to a conventional three point lift.
    Type: Grant
    Filed: December 5, 1977
    Date of Patent: April 1, 1980
    Assignee: Austin Industries, Inc.
    Inventor: Paul A. Helams
  • Patent number: 4153116
    Abstract: A fully mounted implement for working the soil comprising a main frame formed by an angled beam, two transverse beams and a longitudinal beam, soil working elements arranged along the angled beams which is at an angle between 35.degree. and 70.degree. to the longitudinal beam; mounting structure for connecting the implement to a three arm lift of a tractive vehicle including a traction frame defining a transverse slot and having connecting structure for connection to two lower arms of the three arm lift; an upright pin passing through the slot and having connecting structure to any transverse position of one transverse beam of the main frame; and a longitudinal tower beam having connecting structure for connection to a third arm of the three arm lift and connecting structure to any transverse position of both the transverse beams of the main frame. Demountable extensions for the angled beam carrying soil working elements are described.
    Type: Grant
    Filed: May 18, 1977
    Date of Patent: May 8, 1979
    Inventor: Willem J. P. van Tonder
  • Patent number: 4114695
    Abstract: An implement has an elongated frame that extends transverse to the direction of travel and soil-working members rotatably mounted on a portion of the frame that depends from spaced apart, forward and rear frame beams. A coupling assembly having coupling points for auxiliary implements is pivoted to the forward frame beam by two beam members that extend rearwardly and rest on top of the rear frame beam to limit the downward movement of the assembly when the implement is raised. The rear ends of the beam members are connected to a tubular beam and further beams extend rearward from the tubular beam. A transverse beam interconnects the further beams centrally thereof and coupling points such as hooks are adjustably connected to plates that depend from the further beams. A central coupling point is fastened to the transverse beam and the further beams are adjustable to vary the width of the assembly.
    Type: Grant
    Filed: August 31, 1976
    Date of Patent: September 19, 1978
    Assignee: C. van der Lely N.V.
    Inventor: Ary van der Lely
  • Patent number: 4088083
    Abstract: A tillage machine includes a main frame that supports rotary soil working tined members and various additional tools that can be detachably fastened to the main frame in combination with the rotary tined members to landscape in one pass. For primary use, a ripper assembly is detachably fastened at the front of the frame in advance of the rotary soil working members. A pulverizer-support roller is detachably fastened to the frame in a trailing position and a leveler bar supported between the roller and the rotary members to prevent ridging. A seed box with delivery system can be mounted on the roller frame and driven by a transmission connected to the roller axle. A packer roller is detachably pivoted to the frame to leave the ground in a finished condition.
    Type: Grant
    Filed: November 5, 1976
    Date of Patent: May 9, 1978
    Assignee: C. van der Lely N.V.
    Inventors: John P. Dail, Jr., Pieter VAN DEN Berg
  • Patent number: 4060254
    Abstract: Apparatus for maintaining an implement which is coupled to a tool bar in a controlled position behind a prime mover, having a pair of rock arm devices each including a rod coupled to the bottom lift arms of the tractor's three-point hitch, each of the rods being rotatably received by a sleeve upon which is mounted a normally upright plate. Positioned a distance above the sleeve on the plate is a second rod extending rearwardly and rotatably received by a second sleeve. The second sleeve is rigidly secured to the tool bar by a bracket device. A cylinder and piston having one end of the cylinder pivotally fastened to the tool bar and the piston pivotally fastened to the nearest plate, with a rod coupling both plates together. As the piston expands and contracts relative to the cylinder, the tops of the plates are displaced in the same direction.
    Type: Grant
    Filed: January 12, 1976
    Date of Patent: November 29, 1977
    Inventor: Arnold E. Ernst
  • Patent number: 4051904
    Abstract: A soil cultivator or harrow has a row of soil working members that are driven about upwardly extending axes to work the soil. A plant screen at each lateral side of the implement has a forward guide portion that is pivoted to the front of the frame and a rear, spring-biased portion that normally is held close to the implement's lateral sides. The guide portion of each screen is inclined with respect to the direction of travel to guide plants away from the soil working members during the forward travel of the implement. A pair of arms are pivoted adjacent their front ends to a forward portion of the main frame of the implement, and are connected at their rear ends by a transverse support. The arms are connected to the main frame intermediate their ends by a connection which permits angular adjustment of the arms about their pivots. Each end of the transverse support is connected to a further rearwardly and downwardly extending arm and a roller is supported between the further arms.
    Type: Grant
    Filed: December 18, 1975
    Date of Patent: October 4, 1977
    Assignee: C. van der Lely N. V.
    Inventors: Ary van der Lely, Cornelis Johannes Gerardus Bom
  • Patent number: 4009890
    Abstract: A device for connecting a rotary tiller unit, plow or like working implement directly to a tractor by three-point link system comprises connectors each including a connecting rod and a hitch pin to be inserted into a hitch hole at the rear end of the three-point link system. The connectors are mounted fixedly on a front portion of the working implement but are slidable laterally of the implement and mountable in their reversed position, whereby the working implement is connectable to the tractor in tandem or in offset arrangement, interchangeably between the tandem and offset positions.
    Type: Grant
    Filed: March 12, 1976
    Date of Patent: March 1, 1977
    Assignee: Kubota, Ltd.
    Inventors: Hiroaki Kawakita, Shigeru Morita