Patents Examined by Blake E Scoville
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Patent number: 12163307Abstract: A fatigue life optimized modular bucket assembly for a work machine and a method of manufacturing thereof are disclosed. The bucket assembly includes a bucket core having a pair of side sections, a continuous wrapper, a supporting element, and a receptacle; and an extension module having a pair of side bars, a guard module, an edge module, and, optionally, a set of extension plates. The method includes prebuilding the bucket core, receiving an order, providing parts for the extension module, and assembling the bucket core and the extension module parts. The bucket assembly may include universal and customizable components without exhibiting reduction to fatigue life commonly associated with weld seams.Type: GrantFiled: June 21, 2021Date of Patent: December 10, 2024Assignee: Caterpillar Inc.Inventors: Gopalakrishnan Kanniappan, David Worth, Nicholas John Fayville, Derek D. Larimore
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Patent number: 12146293Abstract: In a hydraulic excavator including a controller configured to calculate the magnitude of a position difference in a height direction between a construction target surface and a front work implement on the basis of the position of the construction target surface, the position of a machine main body which is calculated by a GNSS receiver, and the posture of the front work implement which is detected by a posture sensor. The controller records snapshot data of information about an operation sensor, a pressure sensor, the posture sensor, the GNSS receiver, and a radio in a predetermined period that is determined based on a time at which the magnitude of the position difference exceeds a predetermined value when the magnitude of the position difference exceeds the predetermined value, and diagnoses a cause of the magnitude of the position difference exceeding the predetermined value, on the basis of the snapshot data.Type: GrantFiled: March 25, 2020Date of Patent: November 19, 2024Assignee: HITACHI CONSTRUCTION MACHINERY CO., LTD.Inventors: Shiho Izumi, Naoki Hayakawa, Kenta Nakagi, Yasuhiko Kanari
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Patent number: 12134873Abstract: Disclosed is a bucket for an earth-working or materials-handling machine having a top portion, a first and a second bucket side wall, a bucket floor extending from a front cutting edge up to the top portion, wherein the front cutting edge, the first and second side walls and the top portion form a bucket opening, seen from a front view of the bucket, the bucket floor has an inside facing towards the bucket opening and an outside facing away from the bucket opening, characterized in that the bucket floor has at least one floor section being attached to the bucket floor, optionally by at least one weld interface between the at least one floor section and the bucket floor provided in the proximity of the front cutting edge; and at least one protection element for protecting at least a part of the floor section, and/or at least a part of the optional at least one weld interface, which at least one protection element is mounted on the inside of the bucket floor in the proximity of the front cutting edge.Type: GrantFiled: December 6, 2019Date of Patent: November 5, 2024Assignee: SSAB TECHNOLOGY ABInventor: Brian Coulson
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Patent number: 12123177Abstract: A composite tooth is described for working the ground or rocks. The tooth includes a ferrous alloy having a portion reinforced at least partially by an insert. The portion reinforced by the insert is configured to allow, after in-situ reaction, the obtention of an alternating macro-microstructure of millimetric areas concentrated with micrometric globular particles of titanium carbides separated by millimetric areas substantially free of micrometric globular particles of titanium carbides. The millimetric areas concentrated with micrometric globular particles of titanium carbides form a microstructure in which the micrometric interstices between the globular particles are also filled by the ferrous alloy. The macro-microstructure generated by the insert is at least 2 mm, preferably at least 3 mm from a distal surface of the tooth.Type: GrantFiled: April 30, 2019Date of Patent: October 22, 2024Assignee: Magotteaux International S.A.Inventor: Guy Berton
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Patent number: 12084843Abstract: Proposed is a combined structure, and the combined structure includes a coupling target object having a coupling space that comprises a first space and a second space communicating with each other, a damper structure accommodated in the first space and including a flexible portion having a hollow therein and a hard portion coupled to the flexible portion and having one surface exposed to an outside, and a coupling unit accommodated in the second space, a portion of which is in contact with one surface of the hard portion. The hollow is closed from the outside in the damper structure. In response to rotation of the coupling unit in the second space, another portion different from the portion of the coupling unit comes into contact with the hard portion.Type: GrantFiled: August 6, 2021Date of Patent: September 10, 2024Assignee: SUNGBO INDUSTRIAL CO., LTD.Inventors: Keun Chul Song, Dae Hyun Ryu, Hyun Soo Lee
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Patent number: 12065802Abstract: A quick-change device for changing attachments on a construction machine comprises a main body and parallel lateral flanks with oppositely disposed first and second bearing bushings for receiving mounting pins. To expand the range of applications, at least two oppositely disposed first bearing bushings can be inserted at different angular positions into first oppositely disposed passage openings in the lateral flanks by rotating the bearing bushings about an axis, which is offset relative to a central axis of a receiving hole of the first bearing bushing, and have an external contour for rotationally rigid engagement in a complementary internal contour of the passage opening.Type: GrantFiled: February 26, 2021Date of Patent: August 20, 2024Assignee: OilQuick Deutschland KGInventor: Michael Kollmann
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Patent number: 12054921Abstract: A corner guard includes a rear attachment portion defining a first fastener receiving void, a rear edge that is disposed along the direction of material flow, and a forward ramp portion that extends forwardly from the rear attachment along the direction of material flow, and vertically downwardly forming a front wear edge. The corner guard also includes an outer lateral side, and an inner lateral side. The outer lateral side is flared laterally, defining an outer lateral side extremity that is disposed along the direction of material flow adjacent to the front wear edge, forming a flared portion.Type: GrantFiled: June 3, 2021Date of Patent: August 6, 2024Assignee: Caterpillar Inc.Inventors: Nathan R. Bjerke, Michael Tancin, Eric Thomas Sinn
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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: 12048260Abstract: An end wheel assembly for transforming an implement frame from a transport position to a field position is provided. The end wheel assembly can have an end wheel, a wheel pivot rotatably connected to the end wheel, a wheel member pivotally connected to the wheel pivot, at least one attachment bracket attached to the wheel member and pivotally attachable to the implement frame, a wheel actuator to raise and lower the end wheel assembly, and a guide plate. The guide plate can have a channel, a first end connected to the wheel member, and a second end connected to the wheel pivot. The channel can be positioned to receive a positioning member when the end wheel assembly is pivoted downwards and to rotate the guide plate causing the wheel pivot and end wheel to rotate relative to the wheel member and turn the end wheel outwards.Type: GrantFiled: November 24, 2021Date of Patent: July 30, 2024Inventors: Tyler Sakundiak, Lyndon Maurer
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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: 12031304Abstract: The top cover defines a first fastener receiving void that is disposed along the direction of material flow between the forward ramp portion and the rear edge. The top male angled surface of the top cover defines a first material flow groove that extends along the direction of material flow, and includes a first flow ramp. The first material flow groove is disposed adjacent along the lateral direction and the direction of material flow to the first fastener receiving void.Type: GrantFiled: May 20, 2021Date of Patent: July 9, 2024Assignee: Caterpillar Inc.Inventors: Corey Michael Wells, Douglas C. Serrurier
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Patent number: 12018465Abstract: A heel shroud can include a base with a leg having a profile formed thereon and another leg having a receptacle and at least one wear member receiving opening formed therein, a wear member with a leg having a profile formed therein for sliding engagement with the base profile and another leg having at least one inwardly facing projection formed thereon, a retainer opening formed in the projection, and a retainer member received in the receptacle and the retainer opening. A method can include sliding a leg of a wear member onto a leg of a base, thereby aligning a receptacle formed in another base leg with a retainer opening formed in a projection of another wear member leg, inserting a retainer member in the receptacle and the retainer opening, and installing a fastener in the retainer member, thereby preventing removal of the retainer member from the receptacle.Type: GrantFiled: February 17, 2021Date of Patent: June 25, 2024Assignee: BLACK CAT WEAR PARTS, LTD.Inventor: John A. Ruvang
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Patent number: 12012717Abstract: An earth working implement has a main frame, a main blade supported on the main frame transversely to the forward direction, and two wing blades pivotally supported at opposing ends of the main blade for movement between forward and rearward projecting orientations. A tilt actuator controls angular orientation of the main blade relative to the main frame about a lateral axis. Two rear wheels support the rear end of the frame for rolling along the ground. A hitch arm extends forwardly from a pivotal connection of the main frame for connection to a towing vehicle so as to vary in angular orientation relative to the main frame independently of the main blade. Furrow openers in a laterally spaced apart row are movable relative to the main frame between a working position protruding below the cutting edge of the main blade and a raised storage position.Type: GrantFiled: February 1, 2021Date of Patent: June 18, 2024Assignee: OCFab Ltd.Inventor: Micheal Justin Waldner
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Patent number: 12006665Abstract: A locking assembly is disclosed for securing a wear member to a support structure. The locking assembly includes a locking pin having a pin capable of securing the wear member to the support structure. The pin is disclosed as including pin portions that are interconnected through a coupling to allow torque to be transferred from at least one pin portion to the other pin portion and allow axial movement of one of the pin portions relative to the other pin portion in the direction of the pin axis. Also disclosed is a locking assembly to retain a pin in a predetermined position.Type: GrantFiled: June 29, 2018Date of Patent: June 11, 2024Assignee: Bradken Resources Pty LimitedInventors: Adam Scriven, Hayden Buchanan, William Elphinstone
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Patent number: 11982067Abstract: Disclosed is a bucket for an earth-working or materials-handling machine having a top portion, a first and a second side wall, a bucket floor extending from a front cutting edge up to the top portion, wherein the front cutting edge, the first and second side walls and the top portion form a bucket opening, seen from a front view of the bucket, the bucket floor has an inside facing towards the bucket opening and an outside facing away from the bucket opening, characterized in that the bucket floor comprises a first and a second rail section, wherein each one of the rail sections has at least one detachable wear component connected to the bucket floor, the bucket floor further has at least one inverted keel section with a trough portion on the outside of the bucket floor and a ridge portion on the inside of the bucket floor.Type: GrantFiled: December 6, 2019Date of Patent: May 14, 2024Assignee: SSAB TECHNOLOGY ABInventor: Brian Coulson
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Patent number: 11980113Abstract: A system for adjusting actuator pressure on an agricultural implement includes a fluid-driven actuator configured to adjust a position of a tool of the implement relative to the implement frame, with the fluid-driven actuator defining a fluid chamber. Furthermore, the system includes a valve configured to control a flow of a fluid to the fluid-driven actuator. In addition, the system includes a fluid conduit fluidly coupled between the valve and the fluid chamber. Moreover, the system includes a computing system is configured to determine the current position of the tool relative to the implement frame based on the data captured by a position sensor. Additionally, the computing system is configured to determine a current volume of the fluid chamber and the fluid conduit based on the determined current position. Furthermore, the computing system is configured to control the operation of the valve based on the determined current volume.Type: GrantFiled: May 17, 2021Date of Patent: May 14, 2024Assignee: CNH Industrial America LLCInventors: Chad M. Johnson, Trevor Stanhope, Christopher Joel Huber, Michael Christopher Conboy
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Patent number: 11970842Abstract: A retaining system includes a lock including a drive portion that defines an axis of rotation, a radial direction, and a circumferential direction, and further includes a locking portion including an outer peripheral surface. A wing extends radially outwardly from the outer peripheral surface, while the locking portion is connected to the drive portion by a wall. A rib extends axially from the wall toward the drive portion forming an annular cavity, defining at least one detent receiving aperture that is disposed in the annular cavity.Type: GrantFiled: June 7, 2021Date of Patent: April 30, 2024Assignee: Caterpillar Inc.Inventor: Nathan R. Bjerke
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Patent number: 11968934Abstract: A lawn trimmer attachment for trimming sprinkler heads has sprinkler head clamps extending upward from its elongate body. Carriages for the sprinkler head clamps are biased by springs toward the center of the attachment. The bottom of the attachment has a plurality of longitudinally spaced blade sockets. Downwardly extending cutting blades may be inserted into the blade sockets to adjust the distance between the blades. A center brush extends downward between the cutting blades.Type: GrantFiled: February 12, 2021Date of Patent: April 30, 2024Inventor: Edward Tybuszynski
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Patent number: 11970844Abstract: In one aspect, a corner shroud includes a body that may have a floor portion having a floor rear surface, a floor inner surface, a floor lower surface, and a floor upper surface having a curved portion, a side portion, extending from the floor portion, and having a side outer surface, a side rear surface, a side inner surface, and a side upper surface, a front portion extending between the floor portion and the side portion, the front portion having a front surface, a front inner surface, and a front rear surface, and a top portion extending from the front portion, the top portion having a top upper surface, a top inner surface, a top lower surface, a top rear surface, and a top outer surface. The floor upper surface, the side inner surface, the front rear surface, the top lower surface, and the top inner surface define a recess.Type: GrantFiled: March 25, 2021Date of Patent: April 30, 2024Assignee: Caterpillar Inc.Inventors: Nathan R Bjerke, Thomas M. Congdon
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Patent number: 11950542Abstract: A turf cutting machine, more particularly a four-wheel drive turf cutting machine, is provided. The turf cutting machine has a transmission arrangement which includes a transmission belt arranged between a rear axle pulley and a front axle pulley and which further includes a plurality of deflection pulleys which are arranged between the rear axle pulley and the front axle pulley so as to define a path for the transmission belt that extends from a rear axle to a front axle and then back to the rear axle passing over a cutting blade.Type: GrantFiled: February 27, 2020Date of Patent: April 9, 2024Assignee: IBEA S.R.L.Inventor: Alberto Griffini