Scoop Or Bucket Structure, Per Se Patents (Class 37/444)
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Patent number: 12227918Abstract: A dipper of a work machine includes a body having a plurality of walls, a rear door, a bowl and a liner. The bowl may have a lattice framework. The liner may be formed from a plurality of plates, with each plate having a top surface that contacts material present in the dipper, and a bottom surface opposite the top surface. Each plate may be welded to the lattice frame from the bottom surface of the plate.Type: GrantFiled: December 31, 2020Date of Patent: February 18, 2025Assignee: Caterpillar Global Mining LLCInventor: James G. Jamilosa
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Patent number: 12203237Abstract: An excavation attachment device includes a pair of elongated malleable members that are positioned between a rigid top plate and a rigid bottom plate. Each of the malleable members being constructed from rubber and include a forward edge that extends outward beyond the forward edges of the top and bottom plates. A gap is provided between the malleable members for receiving the forks of an excavator bucket. A mounting bracket is positioned along the back edge of the top plate and includes a first set of openings for receiving connectors to selectively engage the bottom wall of an excavator bucket. The mounting bracket also including a pair of protrusions along each end having a second set of openings for receiving connectors to selectively engage the side walls of the excavator bucket.Type: GrantFiled: June 29, 2021Date of Patent: January 21, 2025Inventor: David Dollar
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Patent number: 12134874Abstract: A snubber system for retarding a swinging movement of a door with respect to a body of the dipper. The snubber system includes a braking assembly, an arm structure, and a link structure. The braking assembly is configured to be fixedly mounted to the body. The arm structure is configured to execute rotation about a first axis, the rotation of the arm structure being dampened by the braking assembly. The link structure is rotatably coupled to the arm structure to rotate about a second axis, and is movable in correspondence with the swinging movement of the door to exert and transfer a force to the arm structure. A direction of the force defines an angle between 80-100 degrees with respect to an axis or a plane passing through the first axis and the second axis throughout the swinging movement of the door.Type: GrantFiled: February 25, 2021Date of Patent: November 5, 2024Assignee: Caterpillar Inc.Inventor: James Garry Jamilosa
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Patent number: 12098516Abstract: A shovel includes a lower traveling body, an upper turning body turnably mounted on the lower traveling body, a link unit attached to the upper turning body, and a processing circuitry configured to align an end of the link unit with an end attachment to be attached.Type: GrantFiled: August 11, 2021Date of Patent: September 24, 2024Assignee: SUMITOMO HEAVY INDUSTRIES, LTD.Inventors: Masaru Onodera, Takumi Itoh
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Patent number: 12071741Abstract: A shovel includes a lower traveling structure, an upper swing structure swingably mounted on the lower traveling structure, an attachment attached to the upper swing structure and including a boom, an arm, and a bucket, and processing circuitry. The processing circuitry is configured to cause the shovel to automatically perform work by causing the upper swing structure and the attachment to automatically operate. The work is at least one of the work of banking earth and the work of filling with earth.Type: GrantFiled: August 2, 2021Date of Patent: August 27, 2024Assignee: SUMITOMO HEAVY INDUSTRIES, LTD.Inventors: Takumi Itoh, Masaru Onodera
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Patent number: 12071740Abstract: A hybrid bucket assembly for a work vehicle having movable loader arms includes a structural skeleton having a frame, one or more support struts mounted to the frame, and one or more brackets coupled to the support struts configured to interface with a carrier at distal ends of the loader arms. A bucket shell is mounted to the skeleton that defines a carry volume for materials. Force loading on the bucket shell is carried by the skeleton through the struts.Type: GrantFiled: May 25, 2021Date of Patent: August 27, 2024Assignee: Deere & CompanyInventors: Sebastian Rupp, Carlos Vargas, Joerg Jens Hoefle, Ignacio Alonso Martinez, Sankaran Subramaniam, Steffen Fischer, Jonathan J. Nelson
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Patent number: 12049740Abstract: The bucket includes a bottom plate including a first deepest portion, a bracket provided on a back surface of the bottom plate, and a front lip. The bottom plate includes a first inclined portion on a side where the bracket is attached. A first reference straight line is defined that passes through a pivot axis of a bucket and a tip end of the front lip. A second reference straight line is defined that is orthogonal to the first reference straight line and passes through the first deepest portion. An angle formed between the second reference straight line and the front lip is smaller than an angle formed between the second reference straight line and the first inclined portion. An intersection point between the first reference straight line and the second reference straight line is located close to the front lip on the first reference straight line.Type: GrantFiled: September 9, 2019Date of Patent: July 30, 2024Assignee: KOMATSU LTD.Inventors: Syunsuke Mori, Yuki Monnai, Nobuyasu Sugihara, Junichi Murakami, Naohisa Iwasawa
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Patent number: 12037764Abstract: A bucket has a bowl defining a lip of the bucket, and an upper frame configured for interfacing the bucket to equipment. The bowl and the upper frame being against one another at seams so as to define an inner cavity. Supports extend over the seams, with at least one of the supports connected to the upper frame and defining at least one abutment surface facing at least partially upwardly, and with at least another one of the supports connected to the bowl and defining at least another abutment surface facing at least partially downwardly, the abutment surfaces being in contact abutment with one another.Type: GrantFiled: November 9, 2021Date of Patent: July 16, 2024Assignee: 9257-5810 QUÉBEC INC.Inventor: Dave Bossé
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Patent number: 11939740Abstract: Each of the plurality of center notches and the first and the second end notches of a base edge includes a different configuration including a different end notch depth along the direction of assembly that is greater than a center notch depth along the direction of assembly.Type: GrantFiled: November 18, 2020Date of Patent: March 26, 2024Assignee: Caterpillar Inc.Inventors: Douglas C. Serrurier, Eric T. Sinn, Rammagy Yoeu
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Patent number: 11926987Abstract: A dipper lip includes a first side wing, a second side wing, a rear attachment portion that spans from the first side wing and the second side wing, and a front shovel portion that extends from the first side wing to the second side wing, and the front shovel portion defines a top shovel surface, while the rear attachment portion forms a top rear surface. The top shovel surface forms an obtuse angle with the top rear surface in a midplane of the dipper lip.Type: GrantFiled: June 28, 2021Date of Patent: March 12, 2024Assignee: Caterpillar Inc.Inventors: Phillip J. Kunz, James G. Jamilosa
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Patent number: 11898319Abstract: The present invention provides a reversible bucket coupler device and method of use for reversing the orientation of a bucket used with an excavator so that the teeth of the bucket is facing away from the cab of the excavator and method of use. The reversed orientation of the bucket using the reversible bucket coupler device provides an operator of an excavator the ability to complete tasks in a more efficient, clean and safe manner, as well as providing much needed flexibility in the way excavation projects can be performed.Type: GrantFiled: July 19, 2021Date of Patent: February 13, 2024Inventors: Jacob A. Petro, Jeffrey T. Petro
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Patent number: 11866904Abstract: A digging machine such as a face shovel is controlled in an automated dumping sequence in which the bucket is pivoted to a first angular orientation before opening and, optionally, re-orienting to a second, slightly more forwardly inclined angular orientation. The first orientation may relieve the front part of the bucket from the load while the second orientation is selected to discharge the load at an optimal trajectory. The bucket may move to a third angular orientation before closing the front part against gravity.Type: GrantFiled: June 6, 2019Date of Patent: January 9, 2024Assignee: Caterpillar Global Mining LLCInventor: Marcus Bitter
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Patent number: 11525237Abstract: Power machine bucket implements include a rear wall structure, a bottom wall structure adjoining the rear wall structure at a bend region, and a two-piece brace. The two-piece brace includes a first piece attached to and extending along a portion of the bottom wall structure and a second piece, separate from the first piece, attached to the back side of the rear wall structure.Type: GrantFiled: August 29, 2019Date of Patent: December 13, 2022Assignee: Clark Equipment CompanyInventor: Jason Legatt
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Patent number: 11511813Abstract: A tire skirt support assembly for a compactor comprising a bracket and one or more skirt support members. The bracket can be oriented horizontally, and each skirt support member can have a body that is elongate with a first end and a second end opposite the first end. For each said skirt support member, the first end can be fixed to the bracket, and the second end can be below the bracket and is a free end configured to removably engage a skirt via an attachment opening in the skirt.Type: GrantFiled: September 6, 2019Date of Patent: November 29, 2022Assignee: Caterpillar Paving Products Inc.Inventors: Aaron M. Case, Brian D. Nagel
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Patent number: 11466424Abstract: A bracket for mounting an excavation bucket on a coupler of an articulated arm. The bracket comprises a body extending in a plane and having a central portion. A first concavity on a first side of the body substantially has an arc-of-circle shape to conform with a surface of a cylinder and hinge therearound. The bracket comprises a second concavity on a second side of the body opposite the first side with respect to the central portion. A third concavity on the second side of the body substantially has the arc-of-circle shape. The bracket comprises a first abutment edge formed by the central portion of the body; and a second abutment edge aside the first abutment edge and further from the central portion of the body compared to the first abutment edge. This bracket allows reversible mounting of the coupler of the excavation bucket.Type: GrantFiled: October 5, 2018Date of Patent: October 11, 2022Assignee: GROUP R.Y. BEAUDOIN INC.Inventors: Rémi Beaudoin, Alain Rivard, Luc D'Amours
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Patent number: 11454713Abstract: A light detection and ranging (LIDAR) controller is disclosed. The LIDAR controller may receive cycle segment information identifying a cycle segment of an operation of a machine. The LIDAR controller may determine, based on the cycle segment information, a scan area within a field of view of the LIDAR sensor. The LIDAR controller may cause the LIDAR sensor to capture, with an increased point density relative to a non-scan area within the field of view, LIDAR data associated with the scan area. The LIDAR controller may process the LIDAR data to determine, using the increased point density, a status associated with the operation. The LIDAR controller may perform an action associated with indicating the status associated with the operation.Type: GrantFiled: February 4, 2020Date of Patent: September 27, 2022Assignee: Caterpillar Inc.Inventor: Paul Russell Friend
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Patent number: 11434620Abstract: An integrally cast hinge assembly for a bucket, including a first hinge plate, a second hinge plate spaced apart from the first hinge plate, and a torque tube portion extending between the first hinge plate and the second hinge plate, wherein the first hinge plate is weldlessly connected to the torque tube portion and the second hinge plate is weldlessly connected to the torque tube portion.Type: GrantFiled: September 4, 2019Date of Patent: September 6, 2022Assignee: Caterpillar Inc.Inventors: Giedre Simanskaite, Weiping Hu, Joseph Cai
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Patent number: 11391010Abstract: Bucket for an earth-working or materials-handling machine, which comprises a floor and a side wall, and at least one wear component that is removably attached to the floor and the side wall by means of at least one mechanical fastener. The floor and the side wall are disconnectably connected to each other via the at least one wear component so as to form a replaceable bucket corner edge along at least a part of the floor and the side wall.Type: GrantFiled: October 2, 2018Date of Patent: July 19, 2022Assignee: SSAB TECHNOLOGY ABInventor: Brian Coulson
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Patent number: 11359348Abstract: An excavation bucket with a chain adherent release device, wherein inside the bucket is two side chains positioned proximate the bucket sides, at least one inner chain spaced between the side chains, and at least one cross chain attached to the side chains and positioned between the front and back of the bucket and attached to the at least one inner chain, but not attached to the bottom of the bucket. The side chains, the at least one inner chain and the at least one cross chain form a grid. The side chains and at least one of the inner chain each have both back attachment points proximate the back of the bucket and front attachment points proximate the front of the bucket. The grid has sufficient length to lie untensioned on the bottom of the bucket when it is in the empty and upright position and has direct, uninterrupted and continuous contact with the bottom of the bucket.Type: GrantFiled: November 5, 2021Date of Patent: June 14, 2022Assignee: Grace Abundantly LLCInventor: Michael Justin Balderas
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Patent number: 11346075Abstract: An integrally cast hinge assembly for a bucket, including a first and second hinge plates, a first torque tube portion extending from the first hinge plate, a second torque tube portion extending from the second hinge plate, a third torque tube portion extending between the first hinge plate and the second hinge plate, and a support plate extending along a bottom portion of the hinge assembly. The first torque portion is weldlessly connected to the first hinge plate, the second torque tube portion is weldlessly connected to the second hinge plate, the third torque tube portion is weldlessly connected to both the first hinge plate and the second hinge plate, and the support plate is weldlessly connected to the first hinge plate, the second hinge plate, the first torque tube portion, the second torque tube portion, and the third torque tube portion.Type: GrantFiled: September 4, 2019Date of Patent: May 31, 2022Assignee: Caterpillar Inc.Inventors: Weiping Hu, Giedre Simanskaite, Joseph Cai, Alex Van Doornmalen, Mariska Schouten
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Patent number: 11274415Abstract: A bottom plate includes a first deepest portion at which a length from a first reference straight line to the bottom plate is maximum. The first reference straight line passes through a front end portion of a front lip and a position at which a rear end portion of the bottom plate is contiguous to each of side plates. The first deepest portion is located on a second reference straight line orthogonal to the first reference straight line. A side end portion of each of the side plates is provided with a recessed portion. The recessed portion includes a second deepest portion at which a length from the first reference straight line to the recessed portion is maximum. The second deepest portion is located on the second reference straight line or located close to the front lip with respect to the second reference straight line.Type: GrantFiled: September 9, 2019Date of Patent: March 15, 2022Assignee: KOMATSU LTD.Inventors: Junichi Murakami, Naohisa Iwasawa, Yukihide Yoshihara, Akinobu Iwasaki, Yuki Monnai, Nobuyasu Sugihara
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Patent number: 11078644Abstract: A hybrid bucket assembly for a work vehicle having movable loader arms includes a reinforcing structure having a first edge plate, a second edge plate and at least two support members extending from the first edge plate. The reinforcing structure is for coupling the bucket assembly to the movable loader arms. The bucket assembly includes a double-wall bucket defining a volume for carrying material. The bucket is coupled to the at least two support members of the reinforcing structure, and the bucket has a leading edge coupled between the first edge plate and the second edge plate.Type: GrantFiled: April 11, 2018Date of Patent: August 3, 2021Assignee: DEERE & COMPANYInventors: Jorge Luis Cantu, Sanjeev M. Hallale, Satyam Sahay, Mohamad S. El-Zein, Hema V. Guthy, Vikas Shinde, Hector Portillo, Israel Priego, Daniel Chapa
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Patent number: 11066807Abstract: A mining machine includes a boom, a handle coupled to the boom, a dipper coupled to the handle, and a dipper door pivotally coupled to the dipper. The mining shovel also includes a dipper door trip assembly including a trip motor coupled to the boom, a trip drum coupled to the handle, a linkage assembly coupled to the dipper door, a first actuation element extending directly from the trip motor to the trip drum, and a second actuation element extending directly from the trip drum to the linkage assembly.Type: GrantFiled: January 22, 2018Date of Patent: July 20, 2021Assignee: JOY GLOBAL SURFACE MINING INCInventors: Matthew L. Gross, Joseph J. Colwell, Richard Nicoson
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Patent number: 10794018Abstract: A milling assembly for a cold planer including a frame and an actuator assembly having a plurality of movable locking rods for mounting the milling assembly to the frame is disclosed. The milling assembly comprises a drum housing, and a plurality of mounting units fixed to the drum housing for mounting the milling assembly to the frame. The mounting units include a plurality of mounting holes configured to receive a respective end portion of one of the plurality of movable locking rods. In another embodiment, a milling assembly including an actuator assembly with movable locking rods is disclosed.Type: GrantFiled: June 19, 2019Date of Patent: October 6, 2020Assignee: Caterpillar Paving Products Inc.Inventors: Colton Hirman, Lucian Husar, Nathan L. Mashek, Jason Robert Bjorge
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Patent number: 10767349Abstract: A bucket tip end cover 1 includes multiple cover members 10, 20 arranged at a tip end of a bucket 5 between adjacent ones of adaptors 7. The multiple cover members 10, 20 are fixed to the bucket 5 in a state in which an entire width in an arraying direction A of the adaptors 7 is adjusted in such a manner that each cover member 10, 20 relatively moves in the arraying direction A.Type: GrantFiled: December 19, 2018Date of Patent: September 8, 2020Assignee: SEIKI KOEI CORPORATIONInventor: Yasunori Motomura
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Patent number: 10753064Abstract: an An arm for a material handling machine includes a first plate, a second plate, and a pair of side walls. The second plate includes two opposite edges and a first of the pair of side walls is welded inward of the first edge of the second plate. A second of the pair of side walls is welded inward of the opposite edge of the second pate to form two flanges, with each of the two flanges extending on opposite sides of the second plate and having at least one hole at each of its ends. Each of the flanges has a length that is longitudinal with respect to the arm and a width that is transverse with respect to the arm and the length of each flange is between ? and ? of the length of the arm.Type: GrantFiled: April 20, 2016Date of Patent: August 25, 2020Assignee: J.C. Bamford Excavators LimitedInventors: Benjamin D. Parker, Gary Davies, David Burrage
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Patent number: 10718097Abstract: A mining machine includes a frame, a boom coupled to the frame, a handle coupled to the frame and a dipper coupled to the handle. The handle includes an extension, and a bail is coupled directly to the extension, such that the bail is isolated from the dipper.Type: GrantFiled: June 2, 2017Date of Patent: July 21, 2020Assignee: Joy Global Surface Mining IncInventors: William J. Hren, Ethan J. Pedretti
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Patent number: 10533299Abstract: Earth movement machine components including a pivot system with adjustable height to actuate a door latch for an excavator bucket.Type: GrantFiled: April 25, 2017Date of Patent: January 14, 2020Assignee: Minetec S.A.Inventors: Claudio Zamorano Jones, Bernardo Vera Torres, Jean Pierre Vidal Piesset
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Patent number: 10508407Abstract: A tractor front loader (10) includes a parking stand device (28) mounted on a front loader arm (12). The parking stand device (28) comprises a parking support (30), which is pivotally attached to the front loader arm (12) and can be pivoted between an operating position (P1) and a parked position (P2), a locking brace (32), which is pivotally attached at one end to the front loader arm (12). Detent elements, which can be brought into engagement with one another, are disposed on the parking brace (30) and on a free end of the locking brace (32), by means of which the parking brace (30) can be snapped into multiple positions supporting the front loader, with the detent elements being formed on a free end of the locking brace (32) and on a locking carriage (58), which is hinged to the locking brace (32).Type: GrantFiled: July 28, 2016Date of Patent: December 17, 2019Assignee: DEERE & COMPANYInventors: Simon Kleber, Frederic Paillet, Damien Faivre
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Patent number: 10458101Abstract: The present invention provides an edge wear protector system adapted to be attached to a bucket of earth moving equipment, the bucket includes a base plate and a side plate connected to the base plate. The edge wear protector system includes a first member attachable to the base plate. First member includes an attaching side adapted to connect to the base plate when the first member is attached to the base plate, such that the first member includes a plug channel adapted to receive a plug weld therein and the plug channel is disposed on the attaching side of the first member. The edge wear protector includes a second member attachable to the side plate.Type: GrantFiled: August 2, 2017Date of Patent: October 29, 2019Assignee: Makuri Technology Pte. Ltd.Inventor: Ian James Wilson
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Patent number: 10385535Abstract: A bushing for a bracket assembly of a linkage assembly of a machine includes a cylindrical portion with an end, and a number of holes arranged on and along an axial direction of cylindrical portion, and being longitudinally spaced apart from each other. The bracket assembly includes a plate having an opening, and the cylindrical portion of the bushing is configured to be inserted into and positioned within the opening. The holes facilitate multiple positions of the end relative to the plate.Type: GrantFiled: November 11, 2016Date of Patent: August 20, 2019Assignee: Caterpillar Inc.Inventors: Andres Gonzalez, Austin Neathery, Lauritz P Pillers, II
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Patent number: 10370804Abstract: A milling assembly for a cold planer including a frame and an actuator assembly having a plurality of movable locking rods for mounting the milling assembly to the frame is disclosed. The milling assembly comprises a drum housing, and a plurality of mounting units fixed to the drum housing for mounting the milling assembly to the frame. The mounting units include a plurality of mounting holes configured to receive a respective end portion of one of the plurality of movable locking rods. In another embodiment, a milling assembly including an actuator assembly with movable locking rods is disclosed.Type: GrantFiled: June 26, 2017Date of Patent: August 6, 2019Assignee: Caterpillar Paving Products Inc.Inventors: Colton Hirman, Lucian Husar, Nathan L. Mashek, Jason Robert Bjorge
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Patent number: 10329732Abstract: A bucket for an industrial vehicle configured to load, move, transport, tip and spread a bulk material. The bucket includes two lateral panels extending on each side of a loading panel having a loading edge and an unloading edge. The bucket includes a support panel, an opening panel, an adjuster and a fixing attachment. The adjuster includes a rotationally movable roller situated under the bucket and configured to turn in the direction of rotation of the wheels of the vehicle and to rest on the ground during spreading. The fixing attachment is configured to be fixed to the vehicle and is housed in a vertical translational movable space configured to leave travel for vertical translational movement. The fixing attachment is configured to rotationally move about an axis of rotation perpendicular to the support panel so as to turn the bucket relative to the ground.Type: GrantFiled: June 10, 2016Date of Patent: June 25, 2019Assignee: ABGRALLL CONCEPTIONInventors: Roland Abgrall, Pierrick Abgrall, Philippe Abgrall
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Patent number: 10246848Abstract: A hinge attachment bracket for use with a work implement is provided. The bracket comprises a substantial I-beam configuration that includes a first flange, a second flange, a web that connects the first flange to the second flange and that defines a boss that defines a pin receiving bore that establishes a radial direction, a radial plane and a longitudinal axis. The first and second flanges may merge toward each other tangentially forming a first extension portion.Type: GrantFiled: January 11, 2016Date of Patent: April 2, 2019Assignee: Caterpillar Inc.Inventor: David Michael Worth
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Patent number: 10132055Abstract: A front-mounted clamshell scoop or shovel arrangement mounts onto the snowplow mounting bracket of the frame of a snowplow assembly when the blade has been removed. The scoop can be closed and lowered to scoop and pick up work-site debris or other materials, raised so the materials can be transported to a collection site, and the jaw portion is rocked to an open position to allow the material to drop from the clamshell scoop. In controls for the snowplow assembly serve to raise and lower the scoop and to open and close it.Type: GrantFiled: October 7, 2016Date of Patent: November 20, 2018Inventor: James Sharkey
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Patent number: 10024027Abstract: A bucket comprises a shell including a curved member that defines a first transverse end, a second transverse end, a top edge and a bottom flat portion, a first flat angled member attached to the first transverse end of the curved member and a second flat angled member attached to a second transverse end of the curved member, a bottom member, and at least one attachment bracket, wherein the bucket assembly defines a bucket center plane and the first and second flat angled members are tapered toward the center plane of the bucket.Type: GrantFiled: August 23, 2016Date of Patent: July 17, 2018Assignee: Caterpillar Inc.Inventor: David Worth
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Patent number: 10024028Abstract: A method for repairing a bucket of a piece of earthwork equipment is provided, the method being specifically applicable to the repair of electric shovel buckets.Type: GrantFiled: April 27, 2016Date of Patent: July 17, 2018Assignee: Minetec S.A.Inventors: Antonio Flores, Claudio Zamorano, Bernardo Vera
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Patent number: 9963853Abstract: A lip for an excavating bucket with a front beam and a rear beam extending along the length of the lip and defining at least one recess between them. The front beam includes noses extending forward of the beam for mounting ground engaging tools. Ribs extend between the front beam and the rear beam. The ribs separate recesses extending between the beams.Type: GrantFiled: May 30, 2013Date of Patent: May 8, 2018Assignee: ESCO CORPORATIONInventors: Charles G. Ollinger, IV, Joel Hankland, Kevin S. Stangeland
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Patent number: 9915053Abstract: A dipper door trip assembly includes a dipper, a dipper door pivotally coupled to the dipper, a linkage assembly including a sliding latch bar disposed at least partially in the dipper door, and a latch keeper coupled to the dipper. The latch keeper includes a roller that engages and disengages the latch bar.Type: GrantFiled: December 5, 2014Date of Patent: March 13, 2018Assignee: Harnischfeger Technologies, Inc.Inventors: Matthew L. Gross, Richard L. Nicoson
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Patent number: 9903093Abstract: The present invention provides an integrally cast excavator bucket and a manufacturing method thereof. The integrally cast excavator bucket comprises a lifting lug, a top plate, two side plates and a bottom plate connected with the two side plates. A method for manufacturing the integrally cast excavator bucket by adopting the cast steel comprises the following steps: putting cast steel components into a melting furnace, and carrying out modification treatment before furnace after melting is finished; manufacturing models and a template, coating, heating, vacuumizing, placing sandboxes, adding sand, molding, carrying out mold closing, casting, quenching, tempering and cooling to room temperature to finish casting of the excavator bucket. The integrally cast excavator bucket is formed by once casting from a low-alloy steel material by adopting a vacuum sealing technology, and is high in product strength, resistant to wear and corrosion, high in impact resistance and long in service life.Type: GrantFiled: July 31, 2016Date of Patent: February 27, 2018Assignee: Hubei Wanxin Precision Casting & Forging IncInventor: Jiwen Wan
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Patent number: 9903092Abstract: A member for assembly with other members in an assembled condition to form an excavation bucket, the member forming at least part of one of the walls of the bucket when in its assembled condition, the member comprising a body having a forward edge; a rearward edge; opposite inner and outer surfaces that extend between the edges; a first portion of the member being thicker between its inner and outer surfaces than a second portion of the member, the first portion being disposed forward of the second portion.Type: GrantFiled: September 26, 2012Date of Patent: February 27, 2018Assignee: Bradken Resources Pty LimitedInventors: Jason Lunn, Reece Attwood, Glenn Baxter
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Patent number: 9732494Abstract: A bucket with a linear lower front edge includes: a first straight portion horizontally extending from the lower front edge toward an innermost of the bucket; an inclined portion continuous with a rear edge of the first straight portion, the inclined portion further extending toward the innermost of the bucket while being inclined upward; a curve continuous with a rear edge of the inclined portion at a lower edge of the curve, the curve having a predetermined bucket radius; a second straight portion continuous with an upper edge of the curve, the second straight portion being inclined upward toward a bucket opening; and a third straight portion bent at a bent portion toward the bucket opening relative to a front edge of the second straight portion, the third straight portion further extending toward the bucket opening.Type: GrantFiled: July 15, 2015Date of Patent: August 15, 2017Assignee: Komatsu Ltd.Inventors: Toshimitsu Honda, Toshiyuki Ohta, Minoru Wada, Katsuhiro Tsutsumi, Takaya Kobayashi
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Patent number: 9562340Abstract: An excavating bucket includes a bottom surface section, a bucket body having a rear surface section and a side surface section, a lip section, a bracket, and teeth. The lip section is fixed to an edge portion of the bucket body at an opposite side to the rear surface section. The bracket has a hole through which a coupling pin for attaching to the arm passes. When the length of a virtual line S1 linking the center of the hole and the front end of the lip section is set as a wrist radius V, a length of the longest line segment perpendicular to the virtual line S1 from the virtual line S1 to the bottom surface section is set as a bucket depth D, and the angle formed between the lip section and the virtual line S1 is set as a lip angle ?, 62°???72° and 0.7?D/V?0.8.Type: GrantFiled: September 26, 2013Date of Patent: February 7, 2017Assignee: KOMATSU LTD.Inventors: Tsuyoshi Yoshida, Tatsuo Aira, Daijiroh Tanaka
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Patent number: 9556595Abstract: A wear member for an earth-working implement includes a body having front, rear, top, bottom, inner side and outer side portions. A cutting edge is defined along at least a portion of a bottom interface. The wear member includes a contoured upper front surface, which extends between a top edge along a top interface between the front portion and the top portion, an outer side edge along an outer side interface between the front portion and the outer side portion, a ridge on the front portion, and a spearhead edge along the bottom interface. The wear member includes a contoured lower front surface formed on the front portion of the body adjacent the contoured upper front surface, which is between an inner side edge, which is disposed along an inner side interface between the front portion and the inner side portion, the cutting edge, and the ridge.Type: GrantFiled: July 15, 2015Date of Patent: January 31, 2017Assignee: Caterpillar Inc.Inventors: Thomas Congdon, Sudhir R. Kallu, Nick W. Biggs, Nathan Bjerke
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Patent number: 9428881Abstract: A bucket for a machine includes a pair of spaced apart side sections that define a width of the bucket and a hinge plate assembly positioned between the pair of side sections. The hinge plate assembly includes a pair of spaced apart hinge plates, with each of the hinge plates including a front boss and a rear boss, a base plate having a first thickness, and an upper wrapper plate having a second thickness that is less than the first thickness. A wrapper has a third thickness that is less than the second thickness and a lip plate includes a lower cutting edge. A receptacle is defined by the pair of side sections, the base plate, the upper wrapper plate, the wrapper, and the lip plate.Type: GrantFiled: March 16, 2015Date of Patent: August 30, 2016Assignee: Caterpillar Inc.Inventors: Joseph Chabura, Mark J. Roeder
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Patent number: 9284712Abstract: A universal coupler for a backhoe assembly in which a first link is pivotally connected to the articulation joints of the backhoe assembly. Mounting holes for a first and third style bucket with equal pin spacing are provided on the first link. A second link is connected to the first position and is pivotal between a first position in which the mounting holes are exposed and a second position in which the second link covers the holes on the first link and provides the mounting hole diameter and pin spacing for a bucket having a greater pin spacing.Type: GrantFiled: May 30, 2014Date of Patent: March 15, 2016Assignee: CNH Industrial America LLCInventors: Nathan J. Bradley, Vikram Nair, Matthew D. Wagenbach, David J. Sanning, Ronald C. Natzke
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Patent number: 9180558Abstract: A dipper assembly for a mining shovel, includes a dipper having a dipper back and an open dipper bottom, and a dipper door pivotally mounted to the dipper, configured to pivot between an open position and a closed position with a swing speed, and to cover the open dipper bottom. The dipper assembly also includes one or more hydraulic door snubbers. The hydraulic door snubbers include a base having one or more connecting plates, one or more mounting plates coupled to the base and configured to receive a link extending from the dipper door, one or more friction plates, and a hydraulic cylinder configured to clamp the mounting plates, the connecting plates, the friction plates and the link together.Type: GrantFiled: December 19, 2012Date of Patent: November 10, 2015Assignee: Caterpillar Global Mining LLCInventors: David T. Bienfang, Patrick B. Maguire
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Patent number: 9163377Abstract: A bucket for a machine, such as a wheel loader or track loader is disclosed. The bucket includes a bottom section connected to a top section by a middle section. The top, bottom and middle sections are connected to a pair of side walls. The bottom section includes a bottom distal edge and the top section includes a top distal edge. A rear side of the bucket includes a lower ear for receiving a lower pin. The lower pin connects the lower ear and the bucket to a lower linkage. A first distance between the lower pin and the bottom distal edge has a first length and a second distance between the lower pin and the top distal edge has a second length. A ratio of the first and second length, referred to as a loading index (LI) ranges from greater than 0.83 to less than 0.95.Type: GrantFiled: October 31, 2012Date of Patent: October 20, 2015Assignee: Caterpillar Inc.Inventors: Sylvain France, Jamel Necib
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Patent number: 9144349Abstract: A pot rack comprising at least one track member having spaced-apart rails with at least an upper rail surface having a ferromagnetic property and at least one hook member having a lower hook portion for releasably engaging a kitchen utensil, and an upper cap portion of a dimension greater than a spacing between the rails wherein the cap portion includes a magnetic member which is magnetically attracted to the upper rail surface of each of the rails and a shank portion interconnecting the upper cap portion and the lower hook portion. A hook member for use on a slotted ferromagnetic rail comprising a head portion, an integral shank portion and a hook portion extending from the shank portion, said head portion having magnetic means associated therewith to establish a magnetic attraction between the head portion and the rail.Type: GrantFiled: June 4, 2008Date of Patent: September 29, 2015Assignee: ALL-CLAD METALCRAFTERS LLCInventors: William A. Groll, Troy Schuler
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Patent number: 9139975Abstract: A machine bucket may include a wrapper. The wrapper may form a portion of a receptacle for holding material. The wrapper may include a curved upper portion defining an arc. The curved upper portion may have a central angle value (?U) of between approximately 109.5° and 110.5?. The wrapper may also include a curved lower portion defining an arc. The curved lower portion may have a central angle value (?L) of between approximately 44.5° and 45.5°. Such a machine bucket finds particular utility collecting and transporting material that is adherent to itself and the surfaces of the bucket.Type: GrantFiled: May 31, 2012Date of Patent: September 22, 2015Assignee: Caterpillar Inc.Inventors: Ryan A. Rochel, Jeremy D. Folkerts, Samuel L. McClallen