Repositionable Digging Edge (e.g., Reversible) Patents (Class 37/449)
  • Patent number: 9624644
    Abstract: An attachment for a bucket of a loader, where the bucket includes a bottom wall and a blade extending across an outer surface thereof, features clamping and retaining mechanisms. The clamping mechanism comprises a first clamping surface arranged for engagement with an inner surface of the bottom wall and an opposing second clamping surface arranged for engagement with a bottom surface of the blade. The retaining mechanism comprises a recessed portion longitudinally spaced from the clamping surfaces and an adjustable abutting element in opposite relation to the recessed portion such that the clamping surfaces are located therebetween. The abutting element includes two contact surfaces which are respectively positionable so as to define an abutting surface arranged for butting engagement with a rear surface of the blade. Each working position of the abutting element is suited for retaining a particular width of blade between same and the recessed portion.
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: April 18, 2017
    Assignee: Crystal Spring Colony Farms Ltd.
    Inventor: David Waldner
  • Patent number: 8079163
    Abstract: A number of front working, trench filling face-compressing, inclinedly disposed sliders are arranged alternately with cutter bits on an endless chain of a trench-forming endless chain cutter on a transporting chassis, and driven with the chain by a drive means so that backward oriented, inclined facet portions of the sliders compress a filling in the trench toward and on a front working face of the wall being formed. An elongate, filling face-compressing shield is adapted to be extended down into the trench and supported with its underground portion on the underground portion of a guide post of the cutter or on the trench bottom for forward and backward oscillation by a drive means to compress the filling face adjacent to the shield. The compacted filling is in these ways being formed by horizontal pressure.
    Type: Grant
    Filed: October 12, 2010
    Date of Patent: December 20, 2011
    Inventors: Vladimir Anatol Shreider, Natalia Shreider
  • Patent number: 8061065
    Abstract: A number of slot filling-compressing members are inserted from a framework into and across a slot-shaped excavation at ahead of a frontal face of a continuous, compacted slot filling being formed along the slot, and moved with a drive means connected to the members for intermittently forcing portions of the members against the filling to compress the filling adjacent to the members longitudinally against the face. The compacted filling is in this way formed by longitudinal pressure. The members can be mounted for forward or reciprocating movement in directions along and across the face.
    Type: Grant
    Filed: July 30, 2007
    Date of Patent: November 22, 2011
    Inventors: Vladimir Anatol Shreider, Natalia Shreider
  • Patent number: 7658024
    Abstract: A universal digging tooth attachment apparatus adapted to be secured to a forward edge of a bucket lip of an earth moving implement. The universal digging tooth attachment has a first element with an elongate section defining a first generally planar surface for abutting and engaging along the length thereof with one face of the bucket lip of the earth moving implement and a second element. The second element has an elongate section defining a second generally planar surface for abutting and engaging along the length thereof with the bucket lip of the earth moving implement directly opposite from the elongate section of the first element. One of the first and second elements has an earth engaging tooth projecting therefrom. A slip joint operably connects the first and second elements to each other to allow for adjustment of a distance between the first and second planar surfaces to accommodate attachment of the digging tooth to implements having bucket lips of differing thicknesses.
    Type: Grant
    Filed: July 6, 2006
    Date of Patent: February 9, 2010
    Assignee: H&L Tooth Company
    Inventors: Brian L. Launder, Charles Clendenning
  • Publication number: 20080313934
    Abstract: A blade assembly for an earthworking implement has a set of teeth that are independently slideable within guides. The teeth slide to conform to an undulating surface and permit scraping of the surface.
    Type: Application
    Filed: June 19, 2008
    Publication date: December 25, 2008
    Inventor: Doug Smoljo
  • Patent number: 7412787
    Abstract: An improved snow moving apparatus has a semi-cylindrical body and side plates that form an inner cavity that is impermeable by snow. The apparatus has a pushing scraper and a pulling scraper. The pushing scraper is in contact with the ground when the apparatus is in pushing mode and the pulling scraper is in contact with the ground with the apparatus is in pulling mode. The scrapers are adjustably attached to either the side plates or the body or both so that the level of the scrapers can be easily adjusted when the blades wear down through use.
    Type: Grant
    Filed: February 9, 2005
    Date of Patent: August 19, 2008
    Inventors: Keith R. Sutton, Randall Sutton
  • Patent number: 7287344
    Abstract: A landscaping tool for attachment to a bucket of a landscaping vehicle, the tool generally comprising an elongate plate having two opposite longitudinal working edges and a plurality of integrally formed teeth protruding from each working edge. The elongate plate has a plurality of mounting holes extending therethrough for mounting the tool to the bucket attachment of a loader. The plurality of holes can be arranged in sets to allow mounting of the tool in various orientations and configurations to provide differing edge orientations for different landscaping tasks, and to allow a single tool to be used with a variety of different bucket attachments. Methods of converting a bucket into a rake and scarifying attachment is also provided, the methods increasing the versatility of the tool and thereby eliminating the need to purchase several tools to accomplish a wide variety of landscaping tasks.
    Type: Grant
    Filed: September 21, 2004
    Date of Patent: October 30, 2007
    Inventor: Bradley W. Kostyak
  • Patent number: 7275338
    Abstract: An edge protector assembly is attached, via at least two connectors, to an edge of at least one wall surface of a bucket assembly. Each connector includes a first mating portion that is mated to at least one second mating portion of an edge protector of the edge protector assembly. One of the first and second mating portions includes a protrusion with a tapered section and the other includes a tapered cavity that receives the tapered section. A fastener assembly secures the edge protector to the connectors, and includes a fastener extending through a bore defined by the first and second mating portions. An inner wall of the bore and an outer surface of the fastener are out of contact with one another to avoid shear loads on the fasteners. The edge protector assembly includes an inner overhang area that is preferably zero percent, but up to one half of a protection area of the edge covered by the edge protector assembly.
    Type: Grant
    Filed: August 24, 2004
    Date of Patent: October 2, 2007
    Assignee: Caterpillar Inc
    Inventor: James R. LaHood
  • Patent number: 7159344
    Abstract: A plow moldboard assembly having multiple ground engaging blades is provided with a plurality of elongate blade receiving slots having an open top and an open bottom and each defined by front and rear walls and two end walls disposed rearward of the rear major face of the moldboard and which extend along the bottom edge of the moldboard. A plurality of ground engaging blades are arranged in side-by-side relationship, each one having front and rear blade faces and upper and lower blade portions. The front face of the lower portion is forwardly offset relative to the front face of the upper rectangular portion such that the upper rectangular portion is received in the slot and held in position by detachable securing means. Damaged blades, which are relatively light in weight can be individually removed from the elongate slot and replaced with an undamaged blade. If desired, the front and rear faces of all of the blades can collectively be reversed thereby extending the life of each blade.
    Type: Grant
    Filed: August 6, 2004
    Date of Patent: January 9, 2007
    Assignee: Inverta Corp.
    Inventor: Kevin Karhi
  • Patent number: 6922924
    Abstract: A plow moldboard cutting edge includes a cutting edge blade having a front (leading) face and a rear (trailing) face, with one or more receiving apertures defined therebetween. An elastic bushing is then provided in each of the receiving apertures of the cutting edge blade, with each bushing having a through hole defined therein. The cutting edge blade is then fastened to the lower edge of a plow moldboard by extending fasteners through cutting edge mounting holes defined in the plow moldboard adjacent its lower edge, and then into the through holes of the bushings. The fasteners secure the bushings to the plow moldboard, and thereby mount the cutting edge blade (which is situated about the elastic bushings) to the plow moldboard as well, with the elastic bushings elastically spacing the cutting edge blade from the fasteners.
    Type: Grant
    Filed: October 16, 2003
    Date of Patent: August 2, 2005
    Assignee: Burke Truck & Equipment, Inc.
    Inventors: Jayson D. Jones, Jeff J. Smith
  • Patent number: 6848203
    Abstract: A base edge protection system is provided for use with a base edge having at least one securing structure attached therewith. The base edge protection system comprises a base edge protector having a shroud portion and a tail portion, attached to said shroud portion, which is structured and arranged to extend through a securing structure opening attached to the base edge. A retaining device is adapted for attachment to the tail portion and retains the base edge protector on the base edge by contact with the securing structure.
    Type: Grant
    Filed: August 19, 2002
    Date of Patent: February 1, 2005
    Assignee: Caterpillar Inc
    Inventors: Robert A. Hohmann, Richard E. Livesay
  • Publication number: 20030204974
    Abstract: The present invention includes an edging device for an earth moving machine having a bucket including at least one receiver detachably attachable to the bucket of earth moving machine. The receiver has a plate and an attachment member for engaging the bucket. The receiver can be sized to extend substantially the width of a bucket and the edge member can be substantially co-extensive in length with the receiver. The edge member is configured to be detachably attached to the receiver, where the edge member has a leading edge for contacting the earth.
    Type: Application
    Filed: January 23, 2003
    Publication date: November 6, 2003
    Inventors: Jason W. Hardman, Craig R. Scharp
  • Patent number: 6434865
    Abstract: A bucket assembly is disclosed. The bucket assembly includes a bucket having a base edge. The bucket assembly also includes a base edge protection assembly having (i) a digging plate having a forward edge with a pair of notches defined therein so that a tooth is formed from a portion of the digging plate that is interposed between the notches and (ii) a cover plate secured to the digging plate so that an edge slot is defined between the digging plate and the cover plate. The base edge protection assembly is secured to the bucket such that the base edge of the bucket is positioned within the edge slot of the base edge protection assembly.
    Type: Grant
    Filed: December 22, 2000
    Date of Patent: August 20, 2002
    Assignee: Caterpillar Inc.
    Inventors: William J. Renski, James E. Reid, Ronald L. Sievers
  • Publication number: 20010004809
    Abstract: A bucket tooth capable of preventing a bolt from being loosened during operation is provided. In order to allow the bucket tooth to generate a resilient return force after attachment, a warp is caused by resilient deformation so that a face on the bucket lip side becomes a concave face. As another means, a spot facing portion is formed around a bolt hole into which a fastening bolt is inserted, on the side facing the bucket lip.
    Type: Application
    Filed: November 29, 2000
    Publication date: June 28, 2001
    Applicant: Komatsu, Ltd.
    Inventors: Masaharu Amano, Kazuhide Okawa
  • Patent number: 6230424
    Abstract: A bucket assembly is disclosed. The bucket assembly includes a bucket having a base edge. The bucket assembly also includes a base edge protection assembly having (i) a digging plate having a forward edge with a pair of notches defined therein so that a tooth is formed from a portion of the digging plate that is interposed between the notches and (ii) a cover plate secured to the digging plate so that an edge slot is defined between the digging plate and the cover plate. The base edge protection assembly is secured to the bucket such that the base edge of the bucket is positioned within the edge slot of the base edge protection assembly.
    Type: Grant
    Filed: December 8, 1998
    Date of Patent: May 15, 2001
    Assignee: Caterpillar Inc.
    Inventors: William Renski, James Reid, Ronald Sievers
  • Patent number: 5611157
    Abstract: A wear pad for use with large machines used to pick up or push material from a flat surface, in which a wear pad is secured to the lip of the apparatus that pushes the material. The pad includes a plurality of similar abradable sections sandwiched together under compression with a pair of parallel edges, either of which may be positioned to function as the lead edge of the wear pad.
    Type: Grant
    Filed: September 20, 1995
    Date of Patent: March 18, 1997
    Assignee: F & B Enterprises, Inc.
    Inventor: Thomas Ferreira
  • Patent number: 5426875
    Abstract: A reversible tooth includes alternate surfaces mounting to a shank plate. The surfaces are constructed so that the attack angle of the tooth, i.e., the angle at which the tooth penetrates the earth, is changed by turning the tooth over and alternating the mounting surface secured to the shank plate.
    Type: Grant
    Filed: April 18, 1994
    Date of Patent: June 27, 1995
    Assignee: Pengo Corporation
    Inventor: Brian Rickards
  • Patent number: 5333696
    Abstract: Reversible protectors are normally utilized to protect the leading edge of a work member from high wear during use. It is also advantageous to have a reversible protector that can be secured to a work member even though the work member may be composed of several components which are welded together thus adversely affecting the tolerances between the various components. In this subject arrangement, a reversible protector is provided and adapted to be mounted on and secured to a work member. The reversible protector has recesses located in the lower end thereof which, when assembled, are in mating engagement with protuberances on the work member. This mating engagement secures the lower end of the reversible protector to the work member. A pair of aligned openings are provided near the other end thereof which aligns with a transverse hole in the work member for receiving a retaining mechanism therethrough.
    Type: Grant
    Filed: November 2, 1992
    Date of Patent: August 2, 1994
    Assignee: Caterpillar Inc.
    Inventor: Erwin D. Cornelius