Patents Assigned to Sumitomo Construction Machinery
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Patent number: 11959253Abstract: An excavator includes a lower traveling structure, an upper swing structure swingably mounted on the lower traveling structure, an attachment attached to the upper swing structure, a display device, and a hardware processor. The display device is configured to display multiple ranges including a first range and a second range lower in stability degree than the first range in the working range of the attachment such that the multiple ranges are distinguishable. The hardware processor is configured to determine a setting with respect to the multiple ranges.Type: GrantFiled: December 9, 2020Date of Patent: April 16, 2024Assignee: SUMITOMO CONSTRUCTION MACHINERY CO., LTD.Inventor: Takashi Yamamoto
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Patent number: 11952741Abstract: A shovel (100) according to an embodiment of the present invention includes a lower travelling body (1), an upper pivot body (3) pivotably mounted to the lower travelling body (1), an object detection device (70) provided to the upper pivot body (3), and a controller (30) that brakes a drive unit of the shovel. The controller (30) is configured to, when the object detection device (70) detects an object, automatically brake the drive unit. The controller is configured to, upon determining that an operator has an intention to continue operation during execution of the braking, deactivate the braking.Type: GrantFiled: September 28, 2020Date of Patent: April 9, 2024Assignee: SUMITOMO CONSTRUCTION MACHINERY CO., LTD.Inventor: Takeya Izumikawa
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Patent number: 11952730Abstract: An asphalt finisher includes a tractor, a hopper provided on a front side of the tractor and configured to receive a pavement material, a conveyor configured to supply the pavement material in the hopper to a rear side of the tractor, a screw configured to place and spread the pavement material supplied by the conveyor on a rear side of the tractor, a screed configured to lay and spread the pavement material placed and spread by the screw on a rear side of the screw, and a distance measuring device configured to include a region including a road surface placed and spread by the screed, and a planimetric feature that is used as a reference for a height of the road surface, within a measuring range.Type: GrantFiled: January 27, 2021Date of Patent: April 9, 2024Assignee: SUMITOMO CONSTRUCTION MACHINERY CO., LTD.Inventor: Nobuyuki Baba
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Patent number: 11946223Abstract: A shovel includes a lower traveling body, an upper turning body turnably attached to the lower traveling body, an actuator mounted on the lower traveling body or the upper turning body, and a controller configured to set a prohibited area for an obstacle located in a work area and restrict movement of the actuator. The controller determines whether the shovel has entered the prohibited area, and slows or stops movement of the shovel in response to determining that the shovel enters the prohibited area.Type: GrantFiled: September 18, 2020Date of Patent: April 2, 2024Assignee: SUMITOMO CONSTRUCTION MACHINERY CO., LTD.Inventors: Sou Sakuta, Takeya Izumikawa
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Patent number: 11926994Abstract: An excavator includes a display device configured to display an image representing a work area around the excavator. The display device is configured to display the image in such a state that coordinates that are predefined with respect to the work area and an image component portion included in the image are associated with each other.Type: GrantFiled: April 16, 2021Date of Patent: March 12, 2024Assignee: SUMITOMO CONSTRUCTION MACHINERY CO., LTD.Inventor: Ryota Kurosawa
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Patent number: 11913197Abstract: A shovel includes a lower traveling structure, an upper swing structure swingably mounted on the lower traveling structure, a cab mounted on the upper swing structure, a door provided on the cab, a display placed in the cab, a switch placed at a position near the door and distant from the display, and processing circuitry configured to output information stored in the shovel in response to the switching of the switch.Type: GrantFiled: September 22, 2021Date of Patent: February 27, 2024Assignee: SUMITOMO CONSTRUCTION MACHINERY CO., LTD.Inventor: Toshiki Fukuoka
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Patent number: 11913194Abstract: A shovel includes an undercarriage, an upper swing structure swingably mounted on the undercarriage, an object detector provided on the upper swing structure, and a hardware processor configured to automatically braking a drive part of the shovel according to a predetermined braking pattern, in accordance with a distance between the shovel and an object, the distance being detected by the object detector.Type: GrantFiled: September 24, 2020Date of Patent: February 27, 2024Assignee: SUMITOMO CONSTRUCTION MACHINERY CO., LTD.Inventor: Sou Sakuta
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Patent number: 11851846Abstract: An excavator including a lower traveling body; an upper turning body turnably mounted to the lower traveling body; a work attachment attached to the upper turning body; an imaging device mounted to the upper turning body; a hydraulic actuator; a hydraulic pump configured to supply hydraulic oil to the hydraulic actuator; an electric motor configured to drive the hydraulic pump; an operation device of an electric type configured to operate the hydraulic actuator; and a control device configured to control the electric motor, wherein in response to determining that the operation device is not operated, the control device causes the hydraulic pump to automatically stop, and subsequently, in response to determining that an operation with respect to the operation device is started, the control device causes the hydraulic pump to be automatically activated.Type: GrantFiled: September 27, 2021Date of Patent: December 26, 2023Assignee: SUMITOMO CONSTRUCTION MACHINERY CO., LTD.Inventors: Jitsutaka Takeo, Manabu Ito
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Patent number: 11828045Abstract: An excavator includes a control valve configured to control hydraulic oil to be supplied to an actuator, based on pilot pressure; an electric operation device configured to output an operation signal; a gate lock device; a gate lock valve provided on a pilot line supplying the pilot pressure to the control valve, and configured to open or close according to a state of the gate lock device, so as to switch between a locked state and a released state; a proportional valve provided on the pilot line; and a control part configured to receive as input the operation signal, to control the proportional valve, wherein the control part determines, in a case where the gate lock valve is in the locked state by the gate lock device and an operation is performed on the electric operation device, the operation as an operational error.Type: GrantFiled: February 4, 2022Date of Patent: November 28, 2023Assignee: SUMITOMO CONSTRUCTION MACHINERY CO., LTD.Inventor: Youji Misaki
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Patent number: 11828039Abstract: A shovel includes a lower traveling body, an upper turning body turnably mounted on the lower traveling body, a cab mounted on the upper turning body, an attachment attached to the upper turning body, a hardware processor, and a display device. The hardware processor is configured to move the end attachment of the attachment relative to an intended work surface with the ground being pressed with a predetermined force by the working part of the end attachment, in response to a predetermined operation input related to the attachment. The display device is configured to display information on an irregularity of the ground.Type: GrantFiled: June 25, 2020Date of Patent: November 28, 2023Assignee: SUMITOMO CONSTRUCTION MACHINERY CO., LTD.Inventors: Hiroyuki Tsukamoto, Takashi Nishi
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Patent number: 11821161Abstract: A shovel includes a lower traveling body, an upper turning body turnably mounted on the lower traveling body, a cab mounted on the upper turning body, an attachment attached to the upper turning body, a hardware processor, and a display device. The hardware processor is configured to move the end attachment of the attachment relative to an intended work surface in response to a predetermined operation input related to the attachment. The display device is configured to display information on the hardness of the ground.Type: GrantFiled: June 25, 2020Date of Patent: November 21, 2023Assignee: SUMITOMO CONSTRUCTION MACHINERY CO., LTD.Inventors: Hiroyuki Tsukamoto, Takashi Nishi
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Patent number: 11781290Abstract: A shovel includes a lower traveling body, an upper turning body turnably mounted on the lower traveling body, a cab provided on the upper turning body, an orientation detector configured to detect the relative relationship between the orientation of the upper turning body and the orientation of the lower traveling body, and an alarm device configured to output an alarm when a backward travel operation is performed while it is detected by the orientation detector that the orientation of the upper turning body and the orientation of the lower traveling body are in a predetermined relationship. The backward travel operation is an operation to cause the lower traveling body to travel in the backward direction of the upper turning body.Type: GrantFiled: June 22, 2020Date of Patent: October 10, 2023Assignee: SUMITOMO CONSTRUCTION MACHINERY CO., LTD.Inventors: Tomoki Kurokawa, Hiroyuki Tsukamoto
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Patent number: 11781288Abstract: A shovel includes a lower traveling structure, an upper swing structure mounted on the lower traveling structure, an engine mounted on the upper swing structure, a hydraulic pump configured to be driven by the engine, a hydraulic actuator, an operating device configured to operate the hydraulic actuator, and a hardware processor configured to control the discharge quantity of the hydraulic pump through negative control and change a control characteristic of the negative control according to the details of an operation on the operating device.Type: GrantFiled: February 3, 2022Date of Patent: October 10, 2023Assignee: SUMITOMO CONSTRUCTION MACHINERY CO., LTD.Inventor: Riichi Nishikawara
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Patent number: 11761168Abstract: A shovel includes an upper swing structure, a cab mounted on the upper swing structure, and an operating lever provided in the cab. The operating lever includes a lever part to which a grip part is fixed, a holder part to which the lever part is connected, and a joint part connecting the lever part and the holder part. The lever part is configured to be attachable to and detachable from the holder part in a tool-free manner with a predetermined manual operation on the joint part.Type: GrantFiled: January 28, 2021Date of Patent: September 19, 2023Assignee: SUMITOMO CONSTRUCTION MACHINERY CO., LTD.Inventors: Ryuji Shiratani, Hiroyuki Kurokawa, Hajime Aragaki
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Patent number: 11746497Abstract: A shovel includes a traveling body, a turning body turnably mounted on the traveling body, an attachment attached to the turning body and including a boom, an arm, and a bucket, and a processor, wherein the processor is configured to relatively slow down an operation of the attachment in such a direction as to terminate a state in which the traveling body is lifted, after the shovel enters the state in which the traveling body is lifted.Type: GrantFiled: August 6, 2020Date of Patent: September 5, 2023Assignee: SUMITOMO CONSTRUCTION MACHINERY CO., LTD.Inventors: Ryuji Shiratani, Hajime Aragaki, Masaaki Yamamoto
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Patent number: 11746502Abstract: An excavator includes a plurality of hydraulic actuators, and a setting unit that performs a setting related to operation speeds of the plurality of hydraulic actuators during a combined operation of the hydraulic actuators, so that when the operation speed of one of the actuators increases, the operation speed of another one of the actuators decreases. The setting unit is capable of performing the setting for a plurality of kinds of combined operations.Type: GrantFiled: September 8, 2020Date of Patent: September 5, 2023Assignee: SUMITOMO CONSTRUCTION MACHINERY CO., LTD.Inventor: Takashi Yamamoto
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Patent number: 11686069Abstract: A shovel includes a hydraulic actuator, an operating apparatus used to operate the hydraulic actuator, an obtaining device configured to obtain information concerning the vibration of the body of a shovel, and a hardware processor. The hardware processor is configured to perform such control as to reduce the responsiveness of the hydraulic actuator to the operation of the operating apparatus when the body of the shovel is vibrating or the vibration is likely to occur in the body of the shovel, based on the output of the obtaining device.Type: GrantFiled: April 13, 2020Date of Patent: June 27, 2023Assignee: SUMITOMO CONSTRUCTION MACHINERY CO., LTD.Inventor: Takashi Yamamoto
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Patent number: 11686065Abstract: A shovel includes a lower traveling body, an upper swiveling body that is rotatably mounted on the lower traveling body, and a controller configured to perform straight facing control by which an actuator is operated to cause the upper swiveling body to face a target construction surface straight, based on information related to the target construction surface and information related to a direction of the upper swiveling body.Type: GrantFiled: June 4, 2020Date of Patent: June 27, 2023Assignee: SUMITOMO CONSTRUCTION MACHINERY CO., LTD.Inventors: Takeya Izumikawa, Hiroyuki Tsukamoto
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Patent number: 11634882Abstract: An excavator may perform a finishing operation to prepare a slope while maintaining workability. The excavator includes an undercarriage, a slewing upper structure rotatably mounted on the undercarriage, a boom pivotally mounted on the upper structure, an arm rotatably mounted on a tip end of the boom, a bucket mounted on a tip end of the arm, and a controller. The controller restricts a lowering operation of the boom, so that at least one of a pressing force of the bucket against the ground and a speed of lowering the bucket toward the ground does not become relatively large.Type: GrantFiled: April 27, 2020Date of Patent: April 25, 2023Assignee: SUMITOMO CONSTRUCTION MACHINERY CO., LTD.Inventor: Takashi Yamamoto
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Patent number: 11619028Abstract: A shovel includes a cabin, a display device attached to the cabin, and a main pump. An internal combustion is configured to drive the main pump. An information acquiring device is provided. A controller is configured to calculate an amount of work based on the information acquired by the information acquiring device and to cause the display device to display the amount of work per predetermined period of time in a chronological order.Type: GrantFiled: June 9, 2020Date of Patent: April 4, 2023Assignee: SUMITOMO CONSTRUCTION MACHINERY CO., LTD.Inventor: Takeya Izumikawa