IP Library › Granted Patent US 12,286,769
Granted Patent B2
US 12,286,769 · App. 17/647,892 · Granted Apr 29, 2025

Work machine and assist device to assist in work with work machine

Inventors: Ryuji Shiratani (Chiba, JP); Daisuke Kitajima (Chiba, JP); Hajime Aragaki (Chiba, JP)
Assignee: SUMITOMO CONSTRUCTION MACHINERY CO., LTD.
E02F9/261
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 12,286,769
App. No.
17/647,892
Granted
Apr 29, 2025
Kind
B2
Abstract

A work machine 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 surrounding area monitor, and a display. The display is configured to display guidance with respect to an object detected by the surrounding area monitor.

Claims (48)

1. A work machine comprising:

a lower traveling structure;

an upper swing structure swingably mounted on the lower traveling structure;

an attachment attached to the upper swing structure;

a surrounding area monitor; and

a display,

wherein the display is configured to display a first object detected by the surrounding area monitor and guidance with respect to the first object, said first object and the guidance being displayed separately from each other, and

wherein the guidance includes a graphic indicating a position of the attachment in a swing radius direction of the attachment relative to the first object, or a position of a second object that is lifted by the attachment in a swing radius direction of the second object relative to the first object,

wherein the guidance includes a plurality of markers arranged in the swing radius direction of the attachment and indicates, by highlighting a marker corresponding to a position of the attachment, the position of the attachment relative to the first object, or the position of a second object that is lifted by the attachment relative to the first object, said plurality of markers indicating a position in the swing radius direction of the attachment.

2. The work machine as claimed in claim 1 , wherein the display is configured to display the guidance corresponding to a height of the object.

3. The work machine as claimed in claim 1 , wherein

a reference point is set based on the object, and

the display is configured to display the guidance with respect to a distance from the reference point in a swing radius direction.

4. The work machine as claimed in claim 1 , wherein the display is configured to display a graphic as the guidance, the graphic representing a position of the attachment or an object lifted by the attachment with respect to a swing radius direction, relative to the object positioned in an area surrounding the work machine.

5. The work machine as claimed in claim 4 , wherein the object lifted by the attachment includes earth scooped into a bucket or a suspended load.

6. The work machine as claimed in claim 5 , wherein

the object positioned in the area surrounding the work machine is a dump truck, and

the graphic is displayed in such a manner as to correspond to each of a current state of the bucket and a state of the bucket when the bucket is opened.

7. The work machine as claimed in claim 4 , wherein

the object positioned in the area surrounding the work machine is an installed object installed by the work machine, and

the graphic is constructed in such a manner as to represent a positional relationship between a position regarding the installed object and the object lifted by the attachment with respect to the swing radius direction.

8. The work machine as claimed in claim 1 , comprising:

a hardware processor configured to restrict a movement of the attachment.

9. The work machine as claimed in claim 8 , wherein the hardware processor is configured to stop the movement of the attachment in response to determining that there is a possibility of contact between the object positioned in an area surrounding the work machine and the attachment or an object lifted by the attachment.

10. The work machine as claimed in claim 1 , wherein the display is configured to display only a part of the attachment.

11. The work machine as claimed in claim 1 , wherein a width of the object or an object lifted by the attachment is detected by the surrounding area monitor, and the guidance is provided based on the width.

12. The work machine as claimed in claim 1 , wherein a position of the object is detected by the surrounding area monitor, and a position at a predetermined distance from a reference point of the object is displayed as the guidance.

13. The work machine as claimed in claim 1 , wherein an upper surface of the object is detected by the surrounding area monitor, and the guidance is provided with respect to the detected upper surface.

14. The work machine as claimed in claim 1 , wherein the object positioned in an area surrounding the work machine is an installed object installed by the work machine.

15. The work machine as claimed in claim 1 , wherein

the object positioned in an area surrounding the work machine is an installed object installed by the work machine, and

the display is configured to display the guidance representing a positional relationship between a position regarding the installed object and an object lifted by the attachment.

16. The work machine as claimed in claim 1 , wherein

the guidance relates to a distance in a swing radius direction in front of the upper swing structure, and

the display is configured to display the guidance as an image related to an area in front of the upper swing structure.

17. The work machine as claimed in claim 1 , wherein the graphic indicates, by changing a display mode according to operation of the attachment, the position of the attachment in the swing radius direction of the attachment relative to the first object, or the position of the second object that is lifted by the attachment in the swing radius direction of the second object relative to the first object.

18. The work machine as claimed in claim 1 , wherein one of the plurality of the markers indicates a position of the attachment or the second object in the swing radius direction of the attachment closest to a position of the attachment or the second object in the swing radius direction of the attachment after a predetermined time has elapsed.

19. The work machine as claimed in claim 18 , wherein one of the plurality of the markers that indicates the position of the attachment or the second object in the swing radius direction of the attachment or the second object is filled with a first color, and

the one of the plurality of the markers that indicates the position of the attachment in the swing radius direction of the attachment or the second object closest to the position of the attachment in the swing radius direction of the attachment or the second object after the predetermined time has elapsed is filled with a second color.

20. An assist device configured to assist in work with a work machine, the work machine including a lower traveling structure, an upper swing structure swingably mounted on the lower traveling structure, an attachment attached to the upper swing structure, and a surrounding area monitor, the assist device comprising:

a display configured to display a first object detected by the surrounding area monitor and guidance with respect to the first object, said first object and the guidance being displayed separately from each other, and

wherein the guidance includes a graphic indicating a position of the attachment in a swing radius direction of the attachment relative to the first object, or a position of a second object that is lifted by the attachment in a swing radius direction of the second object relative to the first object,

wherein the guidance includes a plurality of markers arranged in the swing radius direction of the attachment and indicates, by highlighting a marker corresponding to a position of the attachment, the position of the attachment relative to the first object, or the position of a second object that is lifted by the attachment relative to the first object, said plurality of markers indicating a position in the swing radius direction of the attachment.

21. A system configured to manage a work machine, the work machine including a lower traveling structure, an upper swing structure swingably mounted on the lower traveling structure, an attachment attached to the upper swing structure, and a surrounding area monitor, the system comprising:

a display; and

a hardware processor configured to display a first object detected by the surrounding area monitor and guidance with respect to the first object, said first object and the guidance being displayed separately from each other, and

wherein the guidance includes a graphic indicating a position of the attachment in a swing radius direction of the attachment relative to the first object, or a position of a second object that is lifted by the attachment in a swing radius direction of the second object relative to the first object,

wherein the guidance includes a plurality of markers arranged in the swing radius direction of the attachment and indicates, by highlighting a marker corresponding to a position of the attachment, the position of the attachment relative to the first object, or the position of a second object that is lifted by the attachment relative to the first object, said plurality of markers indicating a position in the swing radius direction of the attachment.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 16, 2022
From: SHIRATANI, RYUJI; ARAGAKI, HAJIME
To: SUMITOMO CONSTRUCTION MACHINERY CO., LTD.
Reel/Frame 061790/0387 →
Priority Claims (1)
JP 2019-132194 · Jul 17, 2019 · national
Continuity (2)
Continuation PCTJP2020027974 · Jul 17, 2020
Related Publication 20220136215A1 · May 5, 2022
References Cited (129)
US 4174579A · Learmont · 1979 [cited by examiner]
US 5960378A · Watanabe · 1999 [cited by examiner]
US 6079131A · Oshina · 2000 [cited by examiner]
US 7532967B2 · Fujishima · 2009 [cited by examiner]
US 9616748B2 · Tsubone et al. · 2017 [cited by applicant]
US 10344450B2 · Sharp · 2019 [cited by examiner]
US 10508416B2 · Yamaguchi · 2019 [cited by examiner]
US 11697920B2 · Kiyota · 2023 [cited by examiner]
US 20030036817A1 · Morley · 2003 [cited by examiner]
US 20050027420A1 · Fujishima · 2005 [cited by examiner]
US 20060042397A1 · Kurita · 2006 [cited by examiner]
US 20100289899A1 · Hendron · 2010 [cited by examiner]
US 20120290178A1 · Suzuki · 2012 [cited by examiner]
US 20130158788A1 · Seki · 2013 [cited by examiner]
US 20130166143A1 · Seki · 2013 [cited by examiner]
US 20140188333A1 · Friend · 2014 [cited by applicant]
US 20140267731A1 · Izumikawa · 2014 [cited by examiner]
US 20150183370A1 · Nakanishi · 2015 [cited by examiner]
US 20150218781A1 · Nomura et al. · 2015 [cited by applicant]
US 20160010312A1 · Kurihara · 2016 [cited by examiner]
US 20160076228A1 · Nau · 2016 [cited by examiner]
US 20160153171A1 · Shimizu · 2016 [cited by examiner]
US 20160193920A1 · Tsubone · 2016 [cited by examiner]
US 20160237654A1 · Arimatsu · 2016 [cited by examiner]
US 20160251834A1 · Arimatsu · 2016 [cited by examiner]
US 20160251835A1 · Kitajima · 2016 [cited by examiner]
US 20160298316A1 · Iwamura · 2016 [cited by examiner]
US 20160369475A1 · Tanaka · 2016 [cited by examiner]
US 20170002547A1 · Omote · 2017 [cited by examiner]
US 20170017238A1 · Tojima · 2017 [cited by examiner]
US 20170073934A1 · Kiyota · 2017 [cited by examiner]
US 20170083760A1 · Kiyota · 2017 [cited by examiner]
US 20170089041A1 · Kawamoto · 2017 [cited by examiner]
US 20170107693A1 · Yamada · 2017 [cited by examiner]
US 20170114526A1 · Yasuda · 2017 [cited by examiner]
US 20170122741A1 · Sakai · 2017 [cited by examiner]
US 20170260717A1 · Seki · 2017 [cited by examiner]
US 20180038165A1 · Park · 2018 [cited by examiner]
US 20180074201A1 · Sakai · 2018 [cited by examiner]
US 20180080198A1 · Machida · 2018 [cited by examiner]
US 20180137446A1 · Shike · 2018 [cited by examiner]
US 20180179734A1 · Yamashita · 2018 [cited by examiner]
US 20180187393A1 · Amaya · 2018 [cited by examiner]
US 20180245315A1 · Kaiso · 2018 [cited by examiner]
US 20180258616A1 · Kiyota · 2018 [cited by examiner]
US 20180313653A1 · Sakai · 2018 [cited by examiner]
US 20180371723A1 · Nishi · 2018 [cited by examiner]
US 20180373032A1 · Ohiwa · 2018 [cited by examiner]
US 20190072399A1 · Sakai · 2019 [cited by examiner]
US 20190072403A1 · Sakai · 2019 [cited by examiner]
US 20190127946A1 · Sakai · 2019 [cited by examiner]
US 20190218749A1 · Hiromatsu · 2019 [cited by examiner]
US 20200018037A1 · Nakamura · 2020 [cited by examiner]
US 20200040548A1 · Shimizu · 2020 [cited by examiner]
US 20200071910A1 · Cosoli · 2020 [cited by examiner]
US 20200208373A1 · Nakamura · 2020 [cited by examiner]
US 20200232179A1 · Sasaki · 2020 [cited by examiner]
US 20200263395A1 · Ohiwa · 2020 [cited by examiner]
US 20200277753A1 · Roh · 2020 [cited by examiner]
US 20200299924A1 · Kurokawa · 2020 [cited by examiner]
US 20200340208A1 · Kitajima · 2020 [cited by examiner]
US 20200354920A1 · Horii · 2020 [cited by examiner]
US 20200393827A1 · Hayashi · 2020 [cited by examiner]
US 20210002850A1 · Wu · 2021 [cited by examiner]
US 20210047154A1 · Hayashi · 2021 [cited by examiner]
US 20210087794A1 · Yamamoto · 2021 [cited by examiner]
US 20210156115A1 · Kovanen · 2021 [cited by examiner]
US 20210156121A1 · Hayakawa · 2021 [cited by examiner]
US 20210180291A1 · Saiki · 2021 [cited by examiner]
US 20210276838A1 · Minami · 2021 [cited by examiner]
US 20210276839A1 · Minami · 2021 [cited by examiner]
US 20210292998A1 · Kawamoto · 2021 [cited by examiner]
US 20210332560A1 · Takebayashi · 2021 [cited by examiner]
US 20210404151A1 · Nakazawa · 2021 [cited by examiner]
US 20220010522A1 · Shiratani · 2022 [cited by examiner]
US 20220018096A1 · Nishi · 2022 [cited by examiner]
US 20220026587A1 · Hayakawa · 2022 [cited by examiner]
US 20220136215A1 · Shiratani · 2022 [cited by examiner]
US 20220154742A1 · Nakano · 2022 [cited by examiner]
US 20220194757A1 · Sasaoka · 2022 [cited by examiner]
US 20220205225A1 · Shiratani · 2022 [cited by examiner]
US 20220219948A1 · Hayashi · 2022 [cited by examiner]
US 20220297986A1 · Satou · 2022 [cited by examiner]
US 20220298747A1 · Ishida · 2022 [cited by examiner]
US 20220300025A1 · Katoh · 2022 [cited by examiner]
US 20220316188A1 · Takahama · 2022 [cited by examiner]
US 20220333357A1 · Eguchi · 2022 [cited by examiner]
US 20220364323A1 · Gilbeck · 2022 [cited by examiner]
US 20220364335A1 · Spendlove · 2022 [cited by examiner]
US 20220389685A1 · Kovanen · 2022 [cited by examiner]
US 20230228063A1 · Kondo · 2023 [cited by examiner]
US 20230279634A1 · Yamamoto · 2023 [cited by examiner]
US 20230279638A1 · Danguchi · 2023 [cited by examiner]
US 20230279645A1 · Danguchi · 2023 [cited by examiner]
US 20230366171A1 · Morikawa · 2023 [cited by examiner]
US 20230417548A1 · Kean · 2023 [cited by examiner]
US 20240018750A1 · Nishi · 2024 [cited by examiner]
US 20240018751A1 · Pahl · 2024 [cited by examiner]
US 20240018752A1 · Fujiwara · 2024 [cited by examiner]
US 20240026651A1 · Nishi · 2024 [cited by examiner]
US 20240026654A1 · Satoh · 2024 [cited by examiner]
US 20240052600A1 · Nishikawa · 2024 [cited by examiner]
US 20240068201A1 · Ozaki · 2024 [cited by examiner]
US 20240134064A1 · Ishihara · 2024 [cited by examiner]
US 20240265573A1 · Aizawa · 2024 [cited by examiner]
US 20240352702A1 · Suzuki · 2024 [cited by examiner]
US 20240352713A1 · Matsuyama · 2024 [cited by examiner]
EP 4296434A1 · 2023 [cited by examiner]
JP 4012448B2 · 2007 [cited by examiner]
JP 2013151830 · 2013 [cited by applicant]
JP 2013151830A · 2013 [cited by examiner]
JP 5476450B1 · 2014 [cited by examiner]
JP 2014098270 · 2014 [cited by applicant]
JP 2016065449 · 2016 [cited by applicant]
JP 2016089388 · 2016 [cited by applicant]
JP 2017186901 · 2017 [cited by applicant]
JP 2018141364 · 2018 [cited by applicant]
JP 6407663 · 2018 [cited by applicant]
KR 20200039613A · 2020 [cited by examiner]
WO WO2012128199A1 · 2012 [cited by examiner]
WO 2017110381 · 2017 [cited by applicant]
WO WO2018220914A1 · 2018 [cited by examiner]
WO 2019124549 · 2019 [cited by applicant]
WO WO2020204007A1 · 2020 [cited by examiner]
WO WO2020204239A1 · 2020 [cited by examiner]
“Practical Full Automation of Excavation and Loading for Hydraulic Excavators in Indoor Environments;” Yoshida et al., 2021 IEEE 17th International Conference on Automation Science and Engineering (CASE) (pp. 2153-2160)… [cited by examiner]
“Field and service applications—Dragline automation—A dedade of development—Shared Autonomy for Improving Mining Equipment Productivity;” Winstanley et al., IEEE Robotics & Automation Magazine (vol. 14, Issue: 3, pp. 52… [cited by examiner]
“A robotic excavator for autonomous truck loading;” Stentz et al., Proceedings. 1998 IEEE/RSJ International Conference on Intelligent Robots and Systems. Innovations in Theory, Practice and Applications (Cat. No.98CH361… [cited by examiner]
International Search Report for PCT/JP2020/027974 mailed on Oct. 6, 2020. [cited by applicant]