Patents Examined by Jessica H Lutz
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Patent number: 11976436Abstract: One embodiment of a thumb for an implement of a machine has first and second side plates each having a pivot end for pivotally connecting to a linkage of the machine and an engagement end for engaging with a load. The thumb also has a belly plate extending across a width of the thumb between the first and second side plates and extending along a length of the thumb from the pivot end toward the engagement end. Additionally, the thumb has a thumb support structure disposed closer to the engagement end than to the pivot end. The thumb support structure has a first support plate extending widthwise between the first and second side plates and a second support plate extending widthwise between the first and second side plates and further extending between the first support plate and the belly plate.Type: GrantFiled: August 26, 2021Date of Patent: May 7, 2024Assignee: Caterpillar Inc.Inventor: Aaron D. Kovar
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Patent number: 11976439Abstract: A cutting edge tip includes an attachment portion defining an adapter receiving void. A working portion extends forwardly from the attachment portion. A first lateral end portion is disposed along the lateral direction, the first lateral end portion defining a first lateral end surface that jogs laterally. Also, a second lateral end portion is disposed along the lateral direction opposite of the first lateral end portion. The second lateral end portion also defines a second lateral end surface that jogs laterally.Type: GrantFiled: May 27, 2021Date of Patent: May 7, 2024Assignee: Caterpillar Inc.Inventors: Corey Michael Wells, Douglas C. Serrurier, Jason Grant Jura
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Patent number: 11970828Abstract: The invention relates to a piste grooming vehicle having at least one piste grooming device for preparing a piste and to a method for operating such a piste grooming vehicle. Use in grooming ski pistes or snowboard pistes.Type: GrantFiled: October 4, 2019Date of Patent: April 30, 2024Assignee: KĂ„SSBOHRER GELĂ„NDEFAHRZEUG AGInventors: Peter Betz, Olivier Hargoaa, Michael Kuhn, Jens Rottmair, Jonathan Zimmermann
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Patent number: 11952752Abstract: In some implementations, an ejection paddle may include a paddle body having an ejection surface and a mounting surface opposite the ejection surface, and a wear region projecting from the ejection surface and extending along a top edge of the paddle body and at least a portion of a first side edge and a second side edge of the paddle body. The paddle body may be recessed relative to the wear region.Type: GrantFiled: April 30, 2021Date of Patent: April 9, 2024Assignee: Caterpillar Paving Products Inc.Inventor: Nicholas B. Johnson
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Patent number: 11952740Abstract: A bucket (10) for moving ground material, the bucket (10) comprising a handling section (12) with a mounting arrangement (64) for coupling to a machine, a load section (14) mounted on the handling section (12) such that the load section (14) is separable from the handling section (12) so that the load section (14) can be separated and replaced with another load section (14). The handling section (12) may include a mounting formation (46), and the load section (14) may include a further mounting formation (20) that is complementary to said mounting formation (46) and the mounting formation (46) is configured to receive the further mounting formation (20) therein and the mounting (20) and complementary mounting formations (46) have surfaces that are in abutment.Type: GrantFiled: May 23, 2018Date of Patent: April 9, 2024Assignee: Austin Engineering LimitedInventors: Jamie Vincent Clarke Hall, Lyndon Brian Greeshaw
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Patent number: 11933016Abstract: The present invention concerns a bucket, an excavator including the bucket and method of construction of the bucket. In one form, the bucket includes an attachment portion for attachment of the bucket to the machine; and a containment portion mounted to the attachment portion, said containment portion defined by a base wall, an opposed top wall, a pair of opposed sidewalls and a rear wall, each of the base wall, the top wall and the opposed sidewalls having an outer edge and extending from the rear wall to the outer edge to define an opening to the containment portion. The bucket further includes a reinforcing formation extending across an outer surface of the top wall and at least an adjacent portion of each sidewall of the containment portion, said reinforcing formation having an arcuate shape that transitions into, and at least partially defines, a corner between the top wall and each sidewall to reinforce a join between the top wall and the sidewall and enhance rigidity of the bucket.Type: GrantFiled: June 8, 2021Date of Patent: March 19, 2024Assignee: Mainetec Pty LtdInventors: Brett Ashley Hampson, Stephen Mounsey
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Patent number: 11917932Abstract: A soil conditioner spreader and an operation method thereof are provided. The soil conditioner spreader includes a spreader body, a ridger, a solid tank, two spiral drills, a rotary tillage wheel and a mulching device, where the spreader body is provided with a hopper in a front part. The hopper stores a conditioner. The solid tank is arranged above the spiral drills. The spreader body is connected to the solid tank through a feeding track. The ridger, the spiral rills, the rotary tillage wheel and the mulching device are successively arranged at the bottom of the spreader body from the rear to the front. The ridger ridges first, and then the spiral drills perform deep plowing, rotary tillage and scarification and apply the conditioner to a ridge. The rotary tillage wheel performs rotary tillage, and a nozzle sprays a nutrient solution or an herbicide/insecticide. Finally, the mulching device mulches.Type: GrantFiled: May 8, 2020Date of Patent: March 5, 2024Assignee: Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural SciencesInventors: Jing Wang, Huancheng Pang, Yuyi Li, Li Zhang, Ping Cong, Na Liu, Hongyuan Zhang, Xiaoli Zhang
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Patent number: 11920319Abstract: A dipper assembly and parts thereof for use with a mining shovel includes: a dipper body having a back wall and an open dipper bottom; a dipper door pivotally coupled to the back wall of the dipper body and moveable between open and closed positions relative to the open dipper bottom; and a latch assembly for releasably securing the door in the closed position. The latch assembly includes a latch keeper and a latch member for engaging the latch keeper. The latch keeper is associated with the dipper body proximate the open dipper bottom and the latch member is coupled to the dipper door. The latch member includes at least one roller to assist the latch member in engaging and disengaging with the latch keeper and to reduce wear on the latch member.Type: GrantFiled: June 26, 2018Date of Patent: March 5, 2024Assignee: Mainetec Pty LtdInventors: Stephen John Mounsey, Brett Ashley Hampson
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Patent number: 11904645Abstract: An apparatus comprises a first elongate member configured to detachably and fixedly couple with a work machine in a tow-behind configuration, a two-axis joint member coupled with the first elongate member at a first joint permitting rotation of the two-axis joint member relative to the first elongate member about a first axis of rotation, a rigid frame portion including a second elongate member coupled with the two-axis joint member at a second joint permitting rotation of the second elongate member relative to the two-axis joint member about a second axis of rotation perpendicular to the first axis of rotation and a third elongate member extending perpendicular to the second elongate member, a surface conditioning tool extending parallel to the third elongate member and coupled with the rigid frame portion at a third joint and at a fourth joint permitting rotation of the surface conditioning tool relative to the rigid frame portion about a third axis of rotation parallel to the second axis of rotation, and aType: GrantFiled: November 19, 2020Date of Patent: February 20, 2024Assignee: ABI Attachments Inc.Inventor: Kevin V. Keigley
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Patent number: 11905686Abstract: A wear member includes a body defining an exterior with an outside perimeter, an interior aperture with an at least partially interior polygonal perimeter, and at least one fastener receiving hole extending from the exterior to the interior aperture. The exterior lacks any large openings to limit the risk of material packing.Type: GrantFiled: July 28, 2021Date of Patent: February 20, 2024Assignee: Caterpillar Inc.Inventors: Douglas C. Serrurier, Andrew William Young, Graham Ray Hartoonian-Parizek
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Patent number: 11903347Abstract: There is disclosed a system and methods of use for quickly and efficiently excavating, cross-cutting, splitting, and loading or stockpiling tree stumpage and other tree or organic materials, as well as for performing ground cleanup operations. One embodiment provides a stump harvester for attachment to a distal end of an excavator arm. The stump harvester may include front and back jaw assemblies configured to pivot between open and closed positions. The back jaw assembly may include a knife arm having a cutting blade that extends along a majority of a front side of the knife arm. A centerline plane may bisect a cutting edge of the blade. The front jaw assembly may include a planar-aligned dual anvil configured to sheath the cutting edge of the blade when the front and the back jaw assemblies move into the closed position. Other embodiments are disclosed.Type: GrantFiled: January 26, 2021Date of Patent: February 20, 2024Assignee: National Attachments IncorporatedInventors: Alfred Scott Guimond, Alfred Scott Guimond, II
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Patent number: 11849660Abstract: A tillage implement has a frame with a center section and first and second outer wing sections hingedly attached the center section such that the wing sections can be operably raised and lowered between a field-working position and a transport position. The sections each carry tillage tools for working the soil. Controlling a precharge in a secondary side of a hydraulic circuit enables the operator of the implement to adjust the downward pressure precharge provided by a plurality of hydraulic cylinders based on a desired stiffness of the implement. A pressure-reducing valve is configured such that flow from the hydraulic supply applies downward pressure precharge on the plurality of tillage tools. Once this desired precharge has been achieved, flow from the hydraulic supply is shut off and a check valve holds the pressure such that the plurality of hydraulic cylinders holds the tillage tools in position.Type: GrantFiled: November 5, 2018Date of Patent: December 26, 2023Assignee: AGCO CorporationInventors: Jarret Lee Brinker, Jeffrey Scott Hughes, Joseph Shawn Meier
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Patent number: 11846078Abstract: A snow removal device may include an engine assembly operably coupled at least in part to a frame of the snow removal device. The snow removal device may further include a mobility assembly operably coupled to the frame and the engine assembly to provide mobility of the snow removal device responsive at least in part to operation of the engine assembly. The snow removal device may even further include an ejection assembly that includes a chute for ejecting material from the snow removal device, and a handle assembly that includes a lever assembly. Moreover, the snow removal device may also include a chute rotation assembly operably coupled to the chute of the ejection assembly. The chute rotation assembly may include a cable system, the cable system operably coupling the lever assembly to the chute rotation assembly.Type: GrantFiled: August 22, 2018Date of Patent: December 19, 2023Assignee: HUSQVARNA ABInventors: Mike Johnson, Kenneth Mandeville
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Patent number: 11805716Abstract: A tilling apparatus and a method of tilling soils which includes the use of a rotational shaft having a number of cutter assemblies located at spaced apart locations on the shaft in which each cutter assembly has a multitude of blades which rotate as the rotary shaft rotates to form a plurality of spaced apart trenches having the same spacing as the spacing of the cutters, and a width caused by the width of the blades. As the blades dig the trench, the soil contacted by the blades is granulated and is tossed about by the spinning blades so that some soil falls back into the trench and some falls along the periphery of the trench to form rows of aerated granules which promote enhanced growth of plants or seeds in the trench and along the edge of the trench to improve the yield of pasture having the trenches. Various attachments can be provided on the tilling apparatus, either in front of or towards the rear of the spinning blades for different purposes, such as rippers, seeders, levellers, or similar.Type: GrantFiled: October 25, 2016Date of Patent: November 7, 2023Assignee: SOIL-KEE PTY. LTD.Inventor: Niels Peter Olsen
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Patent number: 11788259Abstract: In some implementations, a retainer sleeve may include a body including an at least partially annular configuration defining a retainer axis. The body may include an inner surface configured to rotatably receive an outer surface of a lock. The body may include a plurality of plates circumferentially joined together with respect to the retainer axis, where a first plate of the plurality of plates includes a first leg joined to the first plate extending away from the retainer axis and configured to contact a lock cavity of the lock. The body may include an anti-rotation feature, disposed on the first plate, extending inward from the inner surface toward the retainer axis, the anti-rotation feature including a locking surface configured to contact a lock skirt of the lock, the locking surface disposed at a first angle with respect to a bottom end of the first plate.Type: GrantFiled: June 17, 2021Date of Patent: October 17, 2023Assignee: Caterpillar Inc.Inventors: Corey Wells, Douglas Charles Serrurier, Jason Jura
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Patent number: 11760609Abstract: A dredging bucket having a head subassembly including an inner rotatable head and an outer head angularly supported by the inner head between level and tilted orientations. First and second opposing bucket halves supported by the outer head and pivotally actuating between closed and opened positions. A pair of T-links incorporated into spaced apart and coaxial pivot locations defined between the bucket halves, each of the T-links having a central stopping bar which, upon the bucket halves rotating to a maximum degree associated with the opened position, contacting end locations defined in upper edge profiles of the bucket halves in order to prevent further opening rotation.Type: GrantFiled: November 4, 2020Date of Patent: September 19, 2023Inventor: Raymond E. Bergeron
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Patent number: 11725362Abstract: A wear member configured to be attached to a work implement includes a body defining a front working region, a rear mounting region, a first side region connecting the front working region to the rear mounting region, and a second side region connecting the front working region to the rear mounting region. The rear mounting region includes a plurality of mounting pads and defines at least once recess disposed at least partially on at least one of the plurality of the mounting pads.Type: GrantFiled: July 9, 2020Date of Patent: August 15, 2023Assignee: Caterpillar Inc.Inventors: Nathan Bjerke, Thomas Marshall Congdon
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Patent number: 11716941Abstract: A turf removal attachment is bolted to a skid steer to allow hydraulic motors thereon to first power cutting blades to form easily removable strips of turf and then, on a lower gear ratio, the drum to which roller tines are attached to spool the strips of turf. Hydraulic circuitry is provided to permit the hydraulic fluid of the skid steer to power the turf removal tools on the turf removal attachment.Type: GrantFiled: August 14, 2018Date of Patent: August 8, 2023Inventor: Troy Wilson
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Patent number: 11686058Abstract: A snow blower implement for a power machine includes a power machine interface having a machine mount configured to engage the implement interface of the power machine. A tool of the implement is coupled to the power machine interface. The tool includes a frame forming an auger housing, and the auger housing includes apertures formed in the housing and arranged to proved an operator of the power machine with visibility, through the apertures, of an implement workspace within or in front of the auger housing while operating the power machine.Type: GrantFiled: March 16, 2020Date of Patent: June 27, 2023Assignee: CLARK EQUIPMENT COMPANYInventors: Eric Schwingler, Jason Legatt
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Patent number: 11673421Abstract: A multi-lobed wheel adapted to be mounted to an agricultural platform for traversal of an agricultural field generally traverse to adjacent rows of planted crops without crushing the individual plants. The multi-lobed wheel having a wheel hub including a central axis on which the multi-lobed wheel is configured to rotate and a plurality of spaced apart lobes defining an outer perimeter configured to make ground engaging contact with the agricultural field, the outer perimeter including structure presenting a plurality of gaps between the plurality of spaced apart lobes, the gaps shaped and sized to provide sufficient clearance for individual plants within a planted crop row so as to enable the multi-lobed wheel to pass over a planted crop row without crushing the individual plants therein.Type: GrantFiled: August 13, 2019Date of Patent: June 13, 2023Assignee: Rowbot Systems LLCInventors: Kent Cavender-Bares, Matthew Camacho-Cook