US 12,116,755 B2
Machine guidance program and excavator using the same
Seong Ho Song, Incheon (KR); Han Sol Kim, Incheon (KR); and Yeo Eun Kim, Incheon (KR)
Assigned to HD HYUNDAI INFRACORE CO., LTD., Incheon (KR)
Filed by HD HYUNDAI INFRACORE CO., LTD., Incheon (KR)
Filed on Feb. 24, 2022, as Appl. No. 17/679,876.
Claims priority of application No. 10-2021-0025917 (KR), filed on Feb. 25, 2021.
Prior Publication US 2022/0268000 A1, Aug. 25, 2022
Int. Cl. E02F 9/26 (2006.01); E02F 3/32 (2006.01)
CPC E02F 9/264 (2013.01) [E02F 3/32 (2013.01); E02F 9/261 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A machine guidance apparatus which assists an operator of an excavator comprising a bucket to operate, the machine guidance apparatus configured to display a guidance screen on a display device, wherein the guidance screen comprises:
a front view which comprises a first icon indicating a front shape of the bucket and a first line indicating a target surface of a design drawing, and visually indicates a degree of alignment between an end section of the bucket and the target surface;
a first guide indicator which guides in which tilting direction the operator should operate;
a side view which comprises a second icon indicating a side shape comprising a back face of the bucket and a second line indicating a side target surface of the design drawing, and visually indicates a degree of alignment between the back face of the bucket and the side target surface; and
a second guide indicator which guides whether the operator should operate in a dump direction or in a crowd direction,
wherein each of the first guide indicator and the second guide indicator comprises a series of bars and a ball shape which are positioned between a left end and a right end on the series of bars.