Wheel Excavator Patents (Class 37/91)
  • Patent number: 8806784
    Abstract: A system for uncovering and sealing a narrow trench. The system comprises several subsystems, including a work machine, a frame for providing a seal with the surface to be trenched, a saw blade, a vacuum system, a system for placing product, and a resealer. The blade includes rotatable tooth bits, which may be rotated and secured to create a blade for narrower or a wider trench. A removable cover and the blade are easily changeable. A surface engaging member on the frame is manipulated to maintain a seal with changing ground surfaces. Additionally, the vertical location of the blade within the frame is adjustable to create a deeper or shallower trench.
    Type: Grant
    Filed: February 4, 2013
    Date of Patent: August 19, 2014
    Assignee: The Charles Machine Works, Inc.
    Inventors: Michael C. Ruhl, David R. Bazzell, Vernon T. Stellman, Steven P. Seabolt, Andrew S. Schuermann
  • Patent number: 8567872
    Abstract: An apparatus for grinding material includes a grinder bit including a drum and a plurality of grinders, at least a portion of the grinders disposed longitudinally in a first helical pattern along the outer surface of the drum. The apparatus further includes a plurality of cleats, at least a portion of the cleats disposed longitudinally in a second helical pattern along the outer surface of the drum. The second helical pattern is offset from the first helical pattern.
    Type: Grant
    Filed: September 19, 2008
    Date of Patent: October 29, 2013
    Assignee: Raytheon Company
    Inventor: Jonathan J. Carr
  • Patent number: 8528236
    Abstract: A device for creating a trench in a ground surface includes a frame, an axle and a platform. A wheel is mounted to the axle and a motor is mounted to the platform. The motor is configured to rotate a drive shaft. A primary blade is removably mountable to the drive shaft. The primary blade has a first radius measured from a geometric center of the primary hub to a free end of a largest of the at least three primary tines. A second blade is removably mountable to the primary hub. The secondary blade has a second radius measured from a geometric center of the secondary hub to a free end of a largest of the at least three secondary tines. The first radius is greater than the second radius. A blade guard is mounted to the platform and generally covers the primary and secondary blades in an assembled configuration.
    Type: Grant
    Filed: December 6, 2010
    Date of Patent: September 10, 2013
    Assignee: Schiller Grounds Care, Inc.
    Inventor: Randy Simpson
  • Publication number: 20130227862
    Abstract: The invention relates to a trench wall cutter for producing a trench in the ground having a cutter frame and at least one cutting wheel which is supported in a rotatable manner about an axis of rotation on the cutter frame and has at its outer circumference a plurality of ground working tools for removing ground material. The ground working tools are arranged along an annular path around the axis of rotation. Provision is made for the annular path to run asymmetrically to the axis of rotation of the cutting wheel, wherein the annular path has at least one first circumferential section with a larger distance from the axis of rotation and at least one second circumferential section with a smaller distance from the axis of rotation. The invention furthermore relates to a method for producing a trench in the ground.
    Type: Application
    Filed: February 26, 2013
    Publication date: September 5, 2013
    Applicant: BAUER SPEZIALTIEFBAU GMBH
    Inventors: Christoph SCHROEPPEL, Stefan SCHINDLER
  • Patent number: 8375605
    Abstract: A system for uncovering and sealing a narrow trench. The system comprises several subsystems, including a work machine, a frame for providing a seal with the surface to be trenched, a saw blade, a vacuum system, a system for placing product, and a resealer. The blade includes rotatable tooth bits, which may be rotated and secured to create a blade for narrower or a wider trench. A removable cover and the blade are easily changeable. A ground engaging surface on the frame is manipulated to maintain a seal with changing ground surfaces. Additionally, the vertical location of the blade within the frame is adjustable to create a deeper or shallower trench.
    Type: Grant
    Filed: July 23, 2010
    Date of Patent: February 19, 2013
    Assignee: The Charles Machine Works, Inc.
    Inventors: Michael C. Ruhl, David R. Bazzell, Vernon T. Stellman, Steven P. Seabolt, Andrew A. Schuermann
  • Patent number: 8333435
    Abstract: A holder for holding a tooth on a body of a cutting blade or grinding drum for cutting or grinding rock or hard earth formations. The selectively-positionable holder includes a portion for holding the tooth in a manner such at that a portion of the tooth projects from the holder and a base surface for attaching the holder to an attachment surface of the body. When the holder is positioned in one of a plurality of orientations, the base surface has, within an area over the attachment surface, a shape which is profiled so that a region defined between the base surface and the attachment surface is, for at least one of the plurality of different orientations, smaller than a region that would be defined if the base surface would have a flat shape.
    Type: Grant
    Filed: January 25, 2007
    Date of Patent: December 18, 2012
    Assignee: Taiga Investments Pty Ltd.
    Inventor: Troy Stratti
  • Publication number: 20120167420
    Abstract: A polygonal tool pick formed entirely of a single hard material, including a head, a shoulder extending rearwardly from the head and having an outer dimension at least as large as a largest outer dimension of the head, a shank extending rearwardly from the shoulder and having an outer dimension smaller than the outside dimension of the shoulder, and a tail extending rearwardly from the shank and having an outer dimension larger than the outer dimension of the shank, wherein the head, the shoulder, the shank, and the tail each have a plurality of faces with at least one pair of opposed faces being parallel to each other.
    Type: Application
    Filed: December 30, 2011
    Publication date: July 5, 2012
    Applicant: SANDVIK INTELLECTUAL PROPERTY AB
    Inventors: Joseph Fader, Kenneth Monyak
  • Publication number: 20120137547
    Abstract: A device for creating a trench in a ground surface includes a frame, an axle and a platform. A wheel is mounted to the axle and a motor is mounted to the platform. The motor is configured to rotate a drive shaft. A primary blade is removably mountable to the drive shaft. The primary blade has a first radius measured from a geometric center of the primary hub to a free end of a largest of the at least three primary tines. A second blade is removably mountable to the primary hub. The secondary blade has a second radius measured from a geometric center of the secondary hub to a free end of a largest of the at least three secondary tines. The first radius is greater than the second radius. A blade guard is mounted to the platform and generally covers the primary and secondary blades in an assembled configuration.
    Type: Application
    Filed: December 6, 2010
    Publication date: June 7, 2012
    Applicant: SCHILLER GROUNDS CARE, INC.
    Inventor: Randy SIMPSON
  • Patent number: 7853382
    Abstract: A work vehicle that includes a boom; a boom actuator connected to the boom, the boom actuator being adapted to controllably move the boom about a boom pivot in response to receiving a boom control signal; and a controller having computational and time-keeping capabilities. The controller communicates with the boom actuator, and calculates the boom velocity, compares the calculated velocity to a commanded velocity to obtain a velocity error, and, if necessary, de-rates the tractive effort of the wheels to prevent the boom from stalling. The controller also determines if the operator is actuating the boom, and reads the boom position to calculate the boom velocity based upon the current boom position and a previous boom position. The controller uses a predefined algorithm to de-rate the tractive effort of the wheels as a function of the power train configuration.
    Type: Grant
    Filed: September 29, 2006
    Date of Patent: December 14, 2010
    Assignee: Deere & Company
    Inventor: Eric R Anderson
  • Patent number: 7831362
    Abstract: The invention is intended to provide a position measuring system for a working machine, which can accurately measure the position of a monitoring point and can ensure high working efficiency even when measurement accuracy of a machine-equipped GPS has changed. A panel computer (45) computes the position of the monitoring point, which is set on an operating mechanism, in a three-dimensional space based on values measured by GPS receivers (43, 44) and angle sensors (21, 22, 23). When measurement accuracy of at least one of at least two GPS receivers lowers, the panel computer (45) corrects the computation for the position of the monitoring point based on a yaw angle measured by a gyroscope (25) for measuring the yaw angle of a machine body.
    Type: Grant
    Filed: September 29, 2003
    Date of Patent: November 9, 2010
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Hideto Ishibashi, Kazuo Fujishima
  • Patent number: 7765723
    Abstract: The invention relates to a cutter head for an excavator machine including at least one cutter motor, each cutter motor comprising: a fastener plate; a mounting structure secured to the fastener plate and presenting a central portion and two mounting assemblies disposed on either side of the fastener plate; two hydraulic motors mounted in said mounting assemblies; a shaft common to both hydraulic motors; a plurality of conduits formed in the thickness of said fastener plate for passing the flow of the liquid used by the hydraulic motors; and a plurality of ducts formed in said central portion of the mounting structure, said ducts being connected to said conduits and to said hydraulic motors to connect each of the two motors to each of said conduits.
    Type: Grant
    Filed: July 16, 2007
    Date of Patent: August 3, 2010
    Assignee: Compagnie du Sol
    Inventors: Philippe Chagnot, Jean-Claude Riglet
  • Publication number: 20100107455
    Abstract: In one aspect of the invention, a trenching machine has at least one roller assembly comprising a body rotationally supported by an axle exteriorly mounted to a trenching chain or wheel. At least a portion of the body comprises a substantially conical shape.
    Type: Application
    Filed: January 22, 2009
    Publication date: May 6, 2010
    Inventors: David R. Hall, Neil Cannon
  • Patent number: 7637038
    Abstract: The invention relates to a foundation construction device for making trenches in the soil comprising a frame, on which a soil-removing tool is arranged, and a control device for aligning the foundation construction device in the trench having two control flaps, which are supported pairwise opposite each other on the frame, and having at least one extendable and retractable guide wheel arranged on the frame.
    Type: Grant
    Filed: March 15, 2006
    Date of Patent: December 29, 2009
    Assignee: Bauer Maschinen GmbH
    Inventors: Maximilian Arzberger, Ignaz Seitle, Ludwig Huber, Christian Herrmann
  • Patent number: 7559161
    Abstract: A soil working method, in which a soil working device suspended on at least one supporting cable is lowered by a supporting device and introduced into the ground. Subsequently, the soil working device is raised from the ground using the supporting cable and in addition to the supporting device a holding frame is provided and the supporting cable is connected to said holding frame. A soil working apparatus is also disclosed.
    Type: Grant
    Filed: July 27, 2005
    Date of Patent: July 14, 2009
    Assignee: Bauer Maschinen GmbH
    Inventor: Erwin Stoetzer
  • Patent number: 7549240
    Abstract: An excavation device having a pair of milling wheels with a substantially horizontal axis (X) of rotation. Each milling wheel peripherally equipped with an excavation apparatus to define an excavation front substantially parallel to the axis (X). The excavation device also has a chain-type transmission to draw in rotation, in a first operating condition, each of the milling wheels. The transmission is driven by a motor and provided, on its side which is external during use, with an excavation apparatus. The excavation device also has a thruster able to be activated to selectively move the transmission into a second operating position, widened and external with respect to the first operating condition.
    Type: Grant
    Filed: April 13, 2007
    Date of Patent: June 23, 2009
    Assignee: Casagrande SpA
    Inventor: Mauro Casagrande
  • Publication number: 20090031590
    Abstract: The invention relates to a foundation construction device for producing trenches in the soil comprising a frame, at least one soil-removing device arranged on the frame and a control device for controlling the foundation construction device in the trench, wherein the control device has at least one control body which can be adjusted between an inoperative position and a projecting control position in order to rest on a wall of the trench. Provision is made for the control body to be adjusted into a first projecting control position on a first side of the frame or into a second projecting control position on a second side of the frame that lies opposite the first side of the frame.
    Type: Application
    Filed: July 22, 2008
    Publication date: February 5, 2009
    Inventors: Maximilian Arzberger, Ignaz Seitle
  • Patent number: 7363733
    Abstract: The invention relates to a device for making a trench wall in the soil comprising a frame, at least one lower cutting/mixing wheel arranged at the bottom of the frame, at least one further, upper cutting/mixing wheel arranged at the top of the frame, wherein the frame is designed in an intermediate portion between the upper cutting/mixing wheel and the lower cutting/mixing wheel with a smaller cross section with respect to the cutting cross section of the at least one lower cutting/mixing wheel. The invention further relates to a method for making a trench in the soil by means of such a device.
    Type: Grant
    Filed: July 27, 2005
    Date of Patent: April 29, 2008
    Assignee: Bauer Maschinen GmbH
    Inventor: Erwin Emil Stoetzer
  • Patent number: 7219452
    Abstract: A trench wheel has a relatively thicker wheel center and gradually tapering side walls that produce a thinner wheel as distance from the hub increases. The wheel center is preferably fabricated from stamped metal into a hat or thimble shape, and has a skirt or brim attached thereto which assists with the retention of an elastomeric outer wheel to the wheel center. Special adapter plates are illustrated which, in combination with the wheel center, permits mounting to both front and rear axles of all popular all-terrain vehicles. A method of controlling water in a field using the trench wheels on a vehicle includes cultivating, planting, and traversing the field to displace earthen matter and thereby channel the field.
    Type: Grant
    Filed: June 11, 2003
    Date of Patent: May 22, 2007
    Inventor: Steven F. Raguse
  • Publication number: 20040172857
    Abstract: Excavator drum for the production of vertical trenches, comprising a cylindrical shell (22) mounted so as to rotate about its axis of revolution and a plurality of excavating tools (28, 30) mounted on the external face of the said shell.
    Type: Application
    Filed: December 31, 2003
    Publication date: September 9, 2004
    Applicant: COMPAGNIE DU SOL
    Inventors: Alain Deniau, Fabrice Mathieu
  • Patent number: 6381879
    Abstract: A method and apparatus for forming a relatively shallow drainage ditch diagonally across crop rows, the apparatus, drawn or fitted to a tractor, incorporates a rotating cutting disk set semi-vertical and at obtuse angles to the direction of travel. The disk is adjustable in two planes and is driven either by direct drive from the tractor's PTO or by hydraulic motor. The replaceable disk is fitted with slinger plates to insure proper removal of the excavated earth. An adjustable cutting tooth is provided in front of the disk for breaking the soil prior to being cut by the rotating disk. A trailing wheel or foot skid, in conjunction with a flexible upper connection of the three point hitch, is provided to control the cutting depth of the tooth and cutting disk, thereby allowing the tooth and cutting disk to follow the contour of the earth. The apparatus is also mountable to the front of a tractor, if desired, when the disk is driven hydraulically.
    Type: Grant
    Filed: March 8, 2000
    Date of Patent: May 7, 2002
    Inventor: Gerald Bollich
  • Patent number: 6055750
    Abstract: An excavating machine is provided having an L-arm assembly located between a power unit and an earth cutting device, the L-arm assembly for raising and lowering the earth cutting device. The L-arm assembly has a first arm for operable attachment to the power unit and a second arm integral with and substantially transverse to the first arm for operable attachment to the earth cutting device. The first arm of the L-arm assembly is longer than the second arm of the L-arm assembly. Hydraulic cylinders are included resulting in an earth cutting device which is held down into the ground in a positive manner so as to be more efficient in operation.
    Type: Grant
    Filed: January 13, 1997
    Date of Patent: May 2, 2000
    Assignee: Samson Enterprises, Inc.
    Inventors: Shaun Lamar Yoder, Steven J. Ditzler
  • Patent number: 6014825
    Abstract: A bucket wheel excavator has a scraper blade mounted on the bogie and whose height is independent of the raising and lowering of the bucket wheel to maintain a level track for the crawler bogie. The scraper blade can be tilted about a horizontal axis by at least one hydraulic cylinder.
    Type: Grant
    Filed: November 3, 1998
    Date of Patent: January 18, 2000
    Assignee: Krupp Fordertechnik GmbH
    Inventors: Dieter Jahn, Bernhard Wiechers
  • Patent number: 5907915
    Abstract: An ejector mechanism operates to force silt material from individual chambers in a rotating wheel of a silt removal machine. The rotating wheel removes the silt material from under a shallow body of water by collecting it in individual chambers of the rotating wheel. Since the silt material is generally soft and sticky, the ejector mechanism urges the silt material from the respective chambers as the wheel rotates. The ejector mechanism includes a rotating crank that rotates as the excavator wheel rotates and is connected by a link to an ejector arm.
    Type: Grant
    Filed: April 1, 1997
    Date of Patent: June 1, 1999
    Assignee: Caterpillar Inc.
    Inventor: Ronnie L. Satzler
  • Patent number: 5890304
    Abstract: A level boom is provided for a piece of strip mining equipment traveling on caterpillar-type chassis, which piece of equipment is temporarily moved on oblique roadways during operation. The position of the boom in relation to the skeletal structure is corrected with simple means. A piece of strip mining equipment with a boom, which can be lifted and lowered and at the free end of which, e.g., a bucket wheel for picking up a load is arranged, is connected to the substructure of the piece of equipment in a pivot axis. The lifting movement is brought about by a lifting cylinder. A tilting support, which carries the boom, is arranged in the pivot axis for lifting and lowering the boom. A bolt connection is provided on one side in the pivot axis for leveling between the tilting support and the boom, and the actuating element for leveling as well as a step bearing for absorbing lateral forces which the actuating element is unable to absorb, are located on the other side.
    Type: Grant
    Filed: October 25, 1996
    Date of Patent: April 6, 1999
    Assignee: Man Takraf Fordertechnik GmbH
    Inventors: Horst Jurisch, Burghard Petack, Jurgen Zeidler
  • Patent number: 5875573
    Abstract: A ditch digger having a horizontal cutting disc with spaced and angled replaceable cutting blades housed within a circular frame and surrounded in one semicircle by a dirt blocking chain barrier and by a solid guard barrier in the other semicircle. The digger is attached to a farm tractor via a 3 point hitch and includes a power takeoff connection. The forward portion of the digger's superstructure has a pair of collapsible stands which support the digger with the rear end wheel during storage. The wheel is provided with a height adjustment device for the ditch digger and maintains the position of the ditch digger in the ditch being dug.
    Type: Grant
    Filed: June 3, 1997
    Date of Patent: March 2, 1999
    Inventor: John D. Hayden
  • Patent number: 5864970
    Abstract: An earth excavating apparatus is disclosed as operable to loosen earthen material and expel the loosened earthen material away from the apparatus. One embodiment of the apparatus includes a rotatable drum partially disposed within a housing and having a plurality teeth thereon adapted to loosen earth and direct the loosened earth into the housing as the drum rotates. A discharge fan is further disposed within the housing and is operable to expel the loosened earthen material from within the housing away from the apparatus. The apparatus may be towed by a vehicle and the rotatable drum is adjustable between a vertical transport position and an excavating position of approximately 45 degrees below horizontal. An alternate embodiment of the apparatus includes the drum/fan arrangement of the first embodiment adjustably mounted to a boom arrangement. The drum/fan arrangement may be adjustably positioned on the boom between a transport position and a variety of excavating positions.
    Type: Grant
    Filed: January 22, 1996
    Date of Patent: February 2, 1999
    Inventors: David C. Maddock, William E. Maddock
  • Patent number: 5797202
    Abstract: A vertical hole excavating machine having a cutter head comprising: a first head supported rotatably about the axis of a cylindrical shield body at the lower end of the cylindrical body and having a central space vertically extending therethrough; at least one first cutter mounted on the first head to excavate earth under the first head; a second head disposed coaxially in the central space so as to be mounted or dismounted from above, and having a cylindrical portion for receiving matter excavated by the first cutter therein and a bottom plate for closing the lower end of the cylindrical portion; and at least one second cutter mounted on the second head to excavate earth under the second head. It is characterized in that the second head is further provided with a notch to receive matter excavated by the second cutter into the cylindrical portion.
    Type: Grant
    Filed: December 5, 1996
    Date of Patent: August 25, 1998
    Assignee: Kabushiki Kaisha Iseki Kaihatsu Koki
    Inventor: Toshio Akesaka
  • Patent number: 5490339
    Abstract: The present invention relates to a center-line trenching system for use at the earth's surface such as on a paved street, road, highway or the like. The system includes a rubber tired drive machine movable over the earth's surface for advancing a side-by-side tandem of a earth saw and a conveyor attached to a rear surface of the drive machine. The conveyor includes a subframe and an elongated main frame. The subframe comprises a pair of longitudinally extending truss members pivotly attached to the drive machine at a first pivot axis of rotation that is fixed in elevation relative to the earth's surface. The main frame includes a pair of rail members pivotally mounted at near end regions to the truss members at a second axis of rotation, and has trailing end regions that define the remote termini of the conveyor. A hydrostatic actuator is pivotally mounted between the subframe and the main frame.
    Type: Grant
    Filed: June 2, 1994
    Date of Patent: February 13, 1996
    Inventor: Frank J. Accettola
  • Patent number: 5378049
    Abstract: A disc-shaped rotary cutter for continuous excavation of hard mineral rock layers according to the invention includes a supporting element having a plurality of end faces and a plurality of cutting elements formed on a circumference of the supporting element and the plurality of end faces. According to the invention, the rotary cutter provides a cylindrical compressive strength of equal to or greater than 20 MPa.
    Type: Grant
    Filed: August 23, 1993
    Date of Patent: January 3, 1995
    Assignee: Krupp Fordertechnik GmbH
    Inventors: Wolfgang Fleischhaker, Joachim Mett
  • Patent number: 5355597
    Abstract: A device for digging a trench having a vertical face and a sloping face. The device includes a rotor configured to rotate about an axis of rotation and means for moving the device in a direction of travel substantially perpendicular to the axis of rotation. The rotor includes a longitudinal rotor member and angled end portions coupled to the longitudinal rotor member. The rotor may also include a plurality of teeth-like elements coupled to the angled end portions.
    Type: Grant
    Filed: April 16, 1993
    Date of Patent: October 18, 1994
    Assignee: Brown Manufacturing Corporation
    Inventor: Charles H. Pollard
  • Patent number: 5315770
    Abstract: A self propelled apparatus for digging a shallow trench along one side of a roadway is disclosed, and which is useful as part of a roadway widening operation. The apparatus comprises a cutter drum mounted to one side of the chassis of the apparatus, and a conveyor belt is mounted to the same side of the chassis with an inlet end positioned immediately adjacent the cutter drum and an elevated outlet end positioned beyond the forward end of the chassis. An enclosure surrounds the cutter drum so that the drum may be rotated in a downwardly cutting direction, and the loosened soil or other material may be lifted and guided around the drum and deposited onto the conveyor. The cutter drum includes one or more extensions which may be coaxially mounted thereto, so as to permit the width of the cutter drum and thus the width of the resulting trench to be selectively varied.
    Type: Grant
    Filed: December 15, 1992
    Date of Patent: May 31, 1994
    Assignee: Astec Industries, Inc.
    Inventor: Thomas R. Campbell
  • Patent number: 5255454
    Abstract: An apparatus for preparing and refurbishing trenches having two cutters supported on a frame. During operation of the apparatus, the cutters rotate about an axis to prepare the trench. The distance between the cutters as well as the angle of the cutters are adjustable to change the size and shape of the trench. A cover is placed over the cutters and has a remotely adjustable orientation which can be varied to select the direction of earth being projected over the side of the trench during operation. The cutters are preferably powered by dedicated motors, and include a multiplicity of blades mounted on dual levels to increase efficiency of cutting the trench.
    Type: Grant
    Filed: June 29, 1992
    Date of Patent: October 26, 1993
    Assignee: Pounds Motor Company
    Inventor: Rice H. Pounds
  • Patent number: 5214867
    Abstract: Towed apparatus for excavating, pulverizing, and throwing soil to halt the spread of a forest fire. The apparatus comprises two series of rotating disks mounted to a first frame, each series driven by a hydraulic motor, for loosening the soil and pulverizing it into soil particles, followed by plowshares for funneling the resulting soil particles into a mound directly in the path of a spinner rotatably secured within a housing and having a plurality of fins attached thereto that scoop portions of the soil particles from the mound and throw them through a hole in the housing. Each disk in the series of disks has teeth secured about its peripheral edge for loosening the soil, pulverizing it and cutting and grinding roots, stumps and friable rock. The first frame is connected to a wheeled second frame by hydraulic cylinders to raise and lower the first frame with respect to the soil so that the series of disks can engage and be disengaged the soil to the depth desired.
    Type: Grant
    Filed: May 11, 1992
    Date of Patent: June 1, 1993
    Inventors: Ervin E. Weatherly, Robert K. Willms
  • Patent number: 5203100
    Abstract: A folding boom side-ditcher which has a two-stage chain (or belt) drive from the power take-off (PTO) of a tractor. A laterally movable counterweight is provided so the folding boom has maximum side reach without danger of upset. Hydraulic actuating cylinders are provided for moving and positioning the boom and the counterweight, which are connected to the hydraulic system of the tractor in the conventional manner. The two-stage chain (or belt) drive for operating the digger head transfers more power through a two-stage reduction sprocket system, and the digging capacity at the digger head is increased substantially. This side-ditcher is more versatile because of the flexible boom, and it is considerably less expensive than the prior hydraulic drive systems of conventional side-ditchers.
    Type: Grant
    Filed: August 7, 1991
    Date of Patent: April 20, 1993
    Inventors: Paul M. Snyder, John L. Snyder
  • Patent number: 5199195
    Abstract: An excavating device for scraping away the high shoulder material on the road sides. The device includes a rotating drum on which are permanently attached tooth-supports arranged in a helix. On the supports are fastened spikes and teeth, different types for different terrain. Scraped earthen material can be dispersed or windrowed and by arranging the supports on opposite helixes or by reversing rotation, the material can be dispersed or windrowed right or left of the rotating drum. A frame is employed to support the rotating drum, and the drum can be articulated to various working positions by hydraulic cylinders. A retractable hood is located above the rotor and movable deflectors are provided for material flow control. Tracer wheels facilitate control of the desirable digging depth.
    Type: Grant
    Filed: June 28, 1991
    Date of Patent: April 6, 1993
    Inventors: Frank P. Scordilis, Andreas Scordilis
  • Patent number: 5113610
    Abstract: A method and apparatus in which a laser controllable ditcher drawn by a tractor to which it is attached for forming ditches, furrows and the like incorporates a cutting disk which is adjustably inclined downwardly toward the rear of its direction of travel such that its under face forms an acute angle with the ground beneath so that its leading edge cuts into the ground. The disk is driven rotationally through a speed reducer by a driveshaft extending to the ditcher from the tractor. The disk has spaced cutters at its edge which dig into the soil and cause the soil to be lifted into the path of movement of paddles or scoops on the back side of the disk which in effect throw the soil particles a considerable distance to one side of the tractor path.
    Type: Grant
    Filed: October 31, 1991
    Date of Patent: May 19, 1992
    Inventor: Sylvester Liebrecht, Jr.
  • Patent number: 5111601
    Abstract: Excavation device (10) with rotary cutter having a horizontal axis, the device (10) having a support structure (11) for excavation means consisting advantageously of pairs of cutter wheels (12-112) able to rotate about their axis (13), the rotation being induced by drive means (15) and suitable transmission means, the cutter wheels (12-112) being equipped with main excavation tools (18), an excavation chain (22) bearing secondary excavation tools (23) being associated with each cutter wheel (12-112) and being actuated by a sprocket wheel (19) firmly secured (20) to the respective cutter wheel (12-112) and cooperating with a transmission means (21) secured to the support structure (11), the secondary excavation tools (23) borne by the excavation chains (22) of each pair of cutter wheels (12-112) covering almost the whole excavation face between the main excavation tools (18).
    Type: Grant
    Filed: March 1, 1991
    Date of Patent: May 12, 1992
    Assignee: Casagrande SpA
    Inventor: Bruno Casagrande
  • Patent number: 5101583
    Abstract: A ditch digging and/or cleaning apparatus designed to cut a multitude of ditch profiles includes a rotating drum on which are permanently attached tooth supports. On these supports are fastened spikes and teeth, different types for different terrain. Removed ditch material can either be dispersed to the right or windrowed to the left of the rotating drum, over the far side bank or the road side bank of the ditch, by rotatably positioning the drum.A frame is employed to support the rotating drum, to position it to the various working positions and to connect it to the carrier vehicle. This frame consists of a fixed section that connects to the carrier vehicle and a rotatable section that supports the rotating drum. Also included are fixed and movable deflectors that direct the material flow to the desired direction. This frame can be attached on tractor pulled and powered carriers, or on self propelled extending boom carriers.
    Type: Grant
    Filed: October 24, 1990
    Date of Patent: April 7, 1992
    Inventor: Andreas Scordilis
  • Patent number: 5056242
    Abstract: Apparatus and method for constructing an impervious underground wall in which an initial excavation, filled with an excavating slurry, is made having a length L.sub.1. A milling excavator is lowered to the bottom of the initial excavation in a collapsed condition and then expanded outwardly by a linkage mechanism in the direction of the trench portion, transmitting a reaction or bearing force to a wall of the initial excavation to excavate from the bottom upwardly. The cuttings fall to the bottom of the trench and are removed by suction or an air lift. The initial excavation is thus expanded laterally from the bottom up with the excavation forces from the excavation being transmitted to the opposing wall surface. Precast concrete panels having convave sides, one concave and one convex end, are inserted into the excavation and have formations on the end to interlock with one another and serve as an excavating guide for the excavating tool.
    Type: Grant
    Filed: May 12, 1989
    Date of Patent: October 15, 1991
    Assignee: Finic, B.V.
    Inventor: Giouse Miotti
  • Patent number: 5027534
    Abstract: A powered ditch router for clearing the overgrowth from road side drainage ditches is disclosed. The router includes a power shaft, a plurality of discs attached to the shaft for rotation therewith, and a number of cutting teeth are spaced about the periphery and sides of the discs for cutting the overgrowth. The router is mountable to a tractor for operation through a ditch. The overgrowth, when cut, can be deposited along side one edge of the ditch for subsequent pickup and disposal.
    Type: Grant
    Filed: January 5, 1990
    Date of Patent: July 2, 1991
    Inventor: Richard C. Sackett
  • Patent number: 4991322
    Abstract: The invention relates to a device for affixing cutter drums on an apparatus designed to cut trenches in the ground.The driver includes a revolving plate 4 disposed perpendicular to its axis and to the end of the latter, the plate having on its periphery a convex polygonal shape 9. A cutter drum 8 is provided with a portion 8a including a central hollow of concave polygonal shape 10 corresponding to the convex polygonal shape 9 of the plate 4 and of slightly greater dimensions. Bolts 11 unite the cutter drum 8 to the said plate 4 such that the rotational driving of the cutter drum 8 by the plate is performed through the medium of the aforesaid polygonal surfaces 9, 10 which come into engagement with one another.
    Type: Grant
    Filed: January 12, 1990
    Date of Patent: February 12, 1991
    Assignee: Soletanche
    Inventors: Jean-Claude Detilleux, Gilbert Ferre, Philippe LeFort, Andre Ponsada, Jean-Pierre Schreiber, Jean-Bernard Wittner
  • Patent number: 4969279
    Abstract: An earth mover comprising at least one wheeled axle; a supported frame movable by the axle, said frame further including means for pushing up soil, comprising an elongate scraper blade with a ground-facing sharp longitudinal edge being substantially right-angled to the forward direction of travel of the apparatus. The apparatus is characterized by a cylindrical rotor provided at an interspace from, and in operative position above, the scraper blade, and substantially parallel thereto. It is also characterized by means for rotating the rotor in a direction from the longitudinal edge towards the upper portion of the scraper blade; and by bars mounted on the rotor. The distance from the turning circle circumference of the bars to the scraper blade decreases in the rotation direction of the rotor.
    Type: Grant
    Filed: March 5, 1990
    Date of Patent: November 13, 1990
    Inventor: Jan Mantingh
  • Patent number: 4939854
    Abstract: A trenching machine that can be easily converted between push or pull type models by using same parts at the manufacturing stage, is disclosed. The machine includes a base frame having first and second surfaces, first and second ends, and sides. A motor engine and first ground engaging means are located at first end of the base frame, and second ground engaging means is located at second end thereof. A mechanism connects the motor with first ground engaging means for driving it. The second ground engaging means includes an offset portion which is positioned inside of the first ground engaging means. A digging device is cantilevered from first and second ends of the base frame, and has a portion positioned adjacent the offset portion of the second ground engaging means in front of the first ground engaging means. The base frame is open on one side and the digging device is disposed adjacent thereto. The base frame further includes a steering handle secured at the first end thereof.
    Type: Grant
    Filed: July 31, 1989
    Date of Patent: July 10, 1990
    Inventor: Gary R. Boren
  • Patent number: 4887372
    Abstract: Shallow angle furrows between crop beds are reshaped and cleaned in one pass using a tractor-towed implement having angularly even-spaced cutter blades mounted in tiers on drums for rotation about generally vertical axes, perpendicular to the furrow walls on opposing, angularly adjustable decks. The blades of the lower tier are angled to cut into the wall material laterally, parallel to the wall slope, without destroying the root structure of protective sod covering. The cut material is lifted up to the upper tier blades which are offset and lagged so as to eject the cut material up and beyond the furrow wall edges following cutting, in one continuous operation. Plates and pivotal deflectors mounted at the edges of the decks, direct the discharge of cut material. A bell crank and pivotal linkage provides for hydraulically assisted raising and lowering of the apparatus from and into ground contact.
    Type: Grant
    Filed: August 9, 1988
    Date of Patent: December 19, 1989
    Assignee: Orange Service Company, Inc.
    Inventor: Donald P. Block
  • Patent number: 4872275
    Abstract: A ditch cleaning machine is for a longitudinally extending ditch having in a vertical trapezoidal transverse cross-section a greater width at the top than at the bottom and having slanting side walls. The machine has a steerable main frame ground-supported and engine-driven to advance along the ditch. The two-wheel main frame is laterally stabilized by adjustable outrigger wheels. A pair of cleaning rotors is pivoted to the main frame and to the forward end of a longitudinal elevator trough so as to engage the ditch side walls. The elevator trough rests on a transverse roller on the main frame, and the trough and the cleaning rotors are jackknifed about a transverse axis by a hydraulic jack connected to the elevator trough and to the main frame. Conveyor flights move debris from the cleaning rotors at the ditch bottom along the elevator trough for discharge onto a transverse conveyor extendable to and discharging from either side of the main frame.
    Type: Grant
    Filed: May 20, 1988
    Date of Patent: October 10, 1989
    Inventors: Orval D. Beckett, deceased, by Berta M. Beckett, legal representative
  • Patent number: 4794709
    Abstract: The present invention provides a device for digging trenches, including at least one digging wheel with a wheel framework which is connected to a vehicle by means of a mobile carriage for lowering or raising the wheel, further including: first means for causing said digging wheel to pivot about a first pivoting axis orthogonal to the plane defined by the direction of movement of the vehicle and the axis of rotation of said wheel, and second means capable of causing said wheel to pivot about a second pivoting axis orthogonal to the plane defined by said first pivoting axis and an axis parallel to the rotational axis of the wheel.
    Type: Grant
    Filed: July 15, 1987
    Date of Patent: January 3, 1989
    Assignee: ETS. Rivard S. A.
    Inventor: Daniel Rivard
  • Patent number: 4768297
    Abstract: A trenching wheel more especially for digging trenches, of the type in which the tools are mounted on ring portions removably fixed to the periphery of said wheel. The arrangement for fixing each ring portion to the periphery of said wheel include:a first assembly of two end faces provided respectively at the ends of said ring portiona second assembly of two abutment faces fixed to the periphery of said wheel and orthogonal to the plane thereof; anda wedge shaped key insertable from outside the periphery of said wheel inwardly thereof, between an end face of said first assembly and an abutment face of said second assembly for applying the other of said end faces of said first assembly under pressure against the other of said abutment faces of said second assembly.
    Type: Grant
    Filed: June 9, 1987
    Date of Patent: September 6, 1988
    Assignee: Ets. Rivard S.A.
    Inventor: Daniel Rivard
  • Patent number: 4736534
    Abstract: A ditching method and apparatus wherein an excavator wheel provided with an annular array of peripheral scoops is rotated about a horizontal axis while the wheel is moved along the terrain alongside a railroad track. The axis of rotation of the wheel is positioned selectively to be disposed within the range of perpendicular to the longitudinal extent of the track to substantially parallel thereto, whereby the scoops excavate a ditch correspondingly in the range of a narrow trench having a width equal to the transverse extent of the scoops to a wide ditch having a profile corresponding generally to the circumference of the wheel. The wheel is carried on the distal end of a boom having the opposite end mounted to a wheeled support. The wheels are carried on suitable trucks adjustably connected to the support to permit leveling of the support. In one form, the wheel is reversibly rotated and provided with double-ended scoops to permit excavation in either direction of rotation of the wheel.
    Type: Grant
    Filed: January 25, 1982
    Date of Patent: April 12, 1988
    Assignee: The Marmon Group, Inc.
    Inventors: Gordon E. Daniels, Robert C. Crosby
  • Patent number: 4720929
    Abstract: An improved torsional limiting device and associated control system are incorporated in a large scale trencher between the power source and the cutting wheel to provide for protection of the equipment components in the event the cutting wheel encounters unforeseen obstructions. The control system provides for prompt and variable adjustment by the operator of the amount of torque transmitted to downstream components and also provides for the prompt and easy resumption of the trenching operation after an obstruction has been encountered.
    Type: Grant
    Filed: February 14, 1986
    Date of Patent: January 26, 1988
    Assignee: Capitol Trencher Corporation
    Inventor: Gerald E. Umberson
  • Patent number: 4682427
    Abstract: A laterally-extending boom (1) is of a box-constructed type, and has two right angle drive gear units (19, 28) installed at either end, the first of which (19) in receipt of drive transmitted by a cardan shaft (17) from the tractor power take-off (18) which it relays through the boom via a transmission consisting of a first cardan shafts (22) and a second cardan shaft (23) and an intermediate shaft (21) journalled to the boom structure; the second cardan shaft (23) drives the second right angle gear unit, the output shaft of which drives a further cardan linkage providing the final connection to the gearbox of the trench digger (32).
    Type: Grant
    Filed: July 18, 1985
    Date of Patent: July 28, 1987
    Assignee: Pietro Dondi & Figli S.r.l.
    Inventor: Giuliano Dondi