Patents Examined by Blake E Scoville
  • Patent number: 11970842
    Abstract: 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: Grant
    Filed: June 7, 2021
    Date of Patent: April 30, 2024
    Assignee: Caterpillar Inc.
    Inventor: Nathan R. Bjerke
  • Patent number: 11968934
    Abstract: 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: Grant
    Filed: February 12, 2021
    Date of Patent: April 30, 2024
    Inventor: Edward Tybuszynski
  • Patent number: 11970844
    Abstract: 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: Grant
    Filed: March 25, 2021
    Date of Patent: April 30, 2024
    Assignee: Caterpillar Inc.
    Inventors: Nathan R Bjerke, Thomas M. Congdon
  • Patent number: 11950542
    Abstract: 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: Grant
    Filed: February 27, 2020
    Date of Patent: April 9, 2024
    Assignee: IBEA S.R.L.
    Inventor: Alberto Griffini
  • Patent number: 11933016
    Abstract: 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: Grant
    Filed: June 8, 2021
    Date of Patent: March 19, 2024
    Assignee: Mainetec Pty Ltd
    Inventors: Brett Ashley Hampson, Stephen Mounsey
  • Patent number: 11930727
    Abstract: An adjustable row crop cultivator is mounted on a tool bar which is vertically movably mounted at the rear end of a tractor. The cultivator includes a plurality of spaced-apart adjustable cultivator units which are vertically movably mounted on the tool bar. A gauge wheel assembly is selectively vertically movably mounted at the forward end of each of the cultivator units. A first mounting plate is positioned at one side of the cultivator unit and has cultivator tools mounted thereon. A second mounting plate is positioned at the other side of the cultivator unit and has cultivator tools mounted thereon. The first and second mounting plates are horizontally movably mounted so that they may be moved towards one another and moved away from one another. The cultivator units may be adjusted by the operator of the tractor from the tractor while the tractor is moving.
    Type: Grant
    Filed: May 14, 2021
    Date of Patent: March 19, 2024
    Inventor: Brian N. Magarin
  • Patent number: 11926987
    Abstract: 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: Grant
    Filed: June 28, 2021
    Date of Patent: March 12, 2024
    Assignee: Caterpillar Inc.
    Inventors: Phillip J. Kunz, James G. Jamilosa
  • Patent number: 11913189
    Abstract: A bucket for an excavator is provided. There is provided a bucket for an excavator to which both a general coupler and a tilt coupler are applicable, the bucket for an excavator having both an inner cavity formed between a cover portion and a support portion as a space having a quadrangular or polygonal shape and a coupling bracket extended to a rear surface thereof, thereby improving strength thereof.
    Type: Grant
    Filed: May 18, 2020
    Date of Patent: February 27, 2024
    Inventor: Kang Jun Lee
  • Patent number: 11905686
    Abstract: 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: Grant
    Filed: July 28, 2021
    Date of Patent: February 20, 2024
    Assignee: Caterpillar Inc.
    Inventors: Douglas C. Serrurier, Andrew William Young, Graham Ray Hartoonian-Parizek
  • Patent number: 11882783
    Abstract: A disc assembly for an agricultural implement includes a mounting assembly having a housing and a rotatable shaft configured to be disposed within the housing. The mounting assembly includes a first end cap non-movably coupled to the rotatable shaft, in which the first end cap is configured to engage a longitudinally inward surface of a first disc blade. The mounting assembly also includes a second end cap having a first engagement feature configured to selectively engage a second engagement feature of the rotatable shaft to non-movably couple the second end cap to the rotatable shaft. The second end cap is configured to engage a longitudinally inward surface of a second disc blade, and the second end cap is selectively removable from the rotatable shaft via disengagement of the first and second engagement features to facilitate engagement and disengagement of the rotatable shaft with the longitudinal passage of the housing.
    Type: Grant
    Filed: May 10, 2021
    Date of Patent: January 30, 2024
    Assignee: CNH Industrial America LLC
    Inventors: Michael George Kovach, Timothy Richard Blunier
  • Patent number: 11879221
    Abstract: A snow tiller for grooming the snow cover of ski slopes comprises: a frame, which comprises at least one front attachment configured to connect the snow tiller to a hitch device of the tracked vehicle; at least one tiller module having a shaft, which is rotatable about an axis of rotation and is provided with a plurality of tools configured to penetrate the snow cover, a hood, which is arranged about the shaft, and is supported by the frame, and an adjusting device, which is configured to adjust the position of the shaft with respect to the hood; and a finisher, having a flexible mat, which is configured to compact the snow cover and to define a support zone of the snow tiller on the snow cover.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: January 23, 2024
    Assignee: Prinoth S.P.A.
    Inventor: Sebastian Rapp
  • Patent number: 11879235
    Abstract: A wear member includes a forward working portion that is disposed along its longitudinal axis including a closed end, and a rear attachment portion that is disposed along the longitudinal axis including an open end with an exterior surface, and an interior surface. The interior surface defines an interior counterbore with a major diameter, and a minor diameter. A ratio of the major diameter to the minor diameter ranges from 1.8 to 2.2.
    Type: Grant
    Filed: September 2, 2021
    Date of Patent: January 23, 2024
    Assignee: Caterpillar Inc.
    Inventors: Douglas C. Serrurier, Eric T. Sinn, Jason Grant Jura, Corey Michael Wells
  • Patent number: 11873616
    Abstract: Described is a bucket for an earth-working or materials-handling machine, having a top portion comprising a web section, a first and a second bucket side wall and a bucket floor extending from a front cutting edge of the bucket up to the top portion. The front cutting edge, the first and second side walls and the top portion form an opening of the bucket, seen from a front view of the bucket. The bucket has a first inner reinforcement beam element provided on an inside of the bucket adjacent the opening, connecting the first side wall to the web section and extending in a width direction (w) of the bucket from the first side wall towards the second side wall, wherein the first inner reinforcement beam element and the web section, as seen in a sectional plane taken perpendicularly to the width direction (w), form a first perimeter profile enclosing an area.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: January 16, 2024
    Assignee: SSAB TECHNOLOGY AB
    Inventor: Brian Coulson
  • Patent number: 11859371
    Abstract: A wear part, a bucket, bucket system and a method for attaching the wear part to the bucket are provided. The wear part includes a forward edge for intruding into a material to be handled by the bucket, and an engagement portion for engaging with an engagement edge of the bucket. The engagement portion has a concave cross section. A lever element extends from a side of the engagement portion in a direction backwards from the forward edge, and a fastening unit is arranged in a distal end of the lever element. The bucket has a plate hole arranged behind a bucket threshold in relation to an engagement edge for receiving a fastening element for fastening the wear part to the bucket.
    Type: Grant
    Filed: August 5, 2019
    Date of Patent: January 2, 2024
    Assignee: Sandvik Mining and Construction Oy
    Inventor: Tony Lehto
  • Patent number: 11832539
    Abstract: An agricultural implement includes a row unit having a main body and a shank and a ground working tool operatively connected to the shank, the shank extending from the main body. The agricultural implement further includes an arm extending rearwardly from the main body of the row unit. There is a basket assembly including a first and a second rolling basket on opposite sides of an end of the arm, wherein the first and the second rolling basket are independently rotatable to break up clumps of soil. The first and the second rolling baskets each have an annular ring at an open outer end.
    Type: Grant
    Filed: August 3, 2021
    Date of Patent: December 5, 2023
    Inventor: Raymond Zimmerman
  • Patent number: 11818973
    Abstract: A garden tiller is disclosed herein. The garden tiller includes at least one handle portion configured to be grasped by a user; a shaft portion coupled to the at least one handle portion, the shaft portion having a first end and a second end, the second end of the shaft portion being oppositely disposed relative to the first end; and a body portion coupled to the second end of the shaft portion, the body portion including an impact motor configured to drive one or more cultivating teeth for loosening and/or displacing soil, the impact motor configured to apply an impact torque to the one or more cultivating teeth so as to more effectively break up compacted soil.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: November 21, 2023
    Inventor: Daniel D. Sedmak
  • Patent number: 11795641
    Abstract: There is provided a sweeping blade device comprising: a blade main portion including a rigid sweeping blade having convexly curved and opposed lateral edges. The sweeping blade device can be mounted to a blade support, which in turn is securable to a vehicle to form a sweeping blade assembly configured to be attached to a plow blade of the vehicle for sweeping debris on a ground surface.
    Type: Grant
    Filed: March 24, 2021
    Date of Patent: October 24, 2023
    Inventor: Hugo Michel
  • Patent number: 11788259
    Abstract: 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: Grant
    Filed: June 17, 2021
    Date of Patent: October 17, 2023
    Assignee: Caterpillar Inc.
    Inventors: Corey Wells, Douglas Charles Serrurier, Jason Jura
  • Patent number: 11770989
    Abstract: An apparatus includes a roller assembly including a roller frame and ground-contacting roller rotatably coupled with the roller frame. A suspension assembly includes a compressible suspension member operatively coupled with the roller assembly. A flexible rigging assembly includes an upper flexible rigging member and a lower flexible rigging member operatively coupled with the suspension assembly. The flexible rigging assembly is adjustable between a first state in which the upper flexible rigging member is taut and the lower flexible rigging member has a non-zero amount of upper flexible rigging member slack and a second state in which the lower flexible rigging member is taut and the upper flexible rigging member has a non-zero amount of lower flexible rigging member slack.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: October 3, 2023
    Assignee: ABI Attachments Inc.
    Inventor: Kevin V. Keigley
  • Patent number: 11773564
    Abstract: The work equipment for the motor grader includes: a drawbar having a drawbar plate; a bearing having an outer ring and inner ring, the outer ring being fixed to a lower surface of the drawbar plate and the inner ring, disposed inside the outer ring ring; a circle having a circle plate that is fixed to a lower end of the inner ring over the peripheral direction; a blade supported by the circle; a peripheral-direction pipe extending in the peripheral direction of the outer ring along a peripheral surface of the outer ring and connected to an end portion of an outer peripheral side of the plurality of lubricant supply holes; and the lubricant inlet port connected to the peripheral-direction pipe and capable of introducing a lubricant oil from an outside.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: October 3, 2023
    Assignee: Komatsu Ltd.
    Inventors: Kota Yamaguchi, Yuji Asai, Toshihiro Yone