US 12,264,959 B2
Weighing device
Shuichi Maeda, Ritto (JP); and Masaaki Hojo, Ritto (JP)
Assigned to ISHIDA CO., LTD., Kyoto (JP)
Appl. No. 17/761,947
Filed by ISHIDA CO., LTD., Kyoto (JP)
PCT Filed Jul. 31, 2020, PCT No. PCT/JP2020/029431
§ 371(c)(1), (2) Date Mar. 18, 2022,
PCT Pub. No. WO2021/059744, PCT Pub. Date Apr. 1, 2021.
Claims priority of application No. 2019-175388 (JP), filed on Sep. 26, 2019.
Prior Publication US 2022/0333974 A1, Oct. 20, 2022
Int. Cl. G01G 21/28 (2006.01); B25J 13/08 (2006.01); G01G 19/387 (2006.01)
CPC G01G 21/28 (2013.01) [B25J 13/085 (2013.01); G01G 19/387 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A weighing device configured to weigh articles of an article group accommodated in a container, the weighing device comprising:
a robot arm;
a gripping unit attached to a distal end of the robot arm, the gripping unit configured to grip a portion of the articles from the article group within the container;
a weighing unit configured to measure a weight value of the articles gripped by the gripping unit; and
a control unit configured to:
control operation of the gripping unit,
determine whether a prescribed condition is fulfilled by at least one of an operating distance of the gripping unit and a weighing result from the weighing unit, and
in response to determining that the prescribed condition is fulfilled, control operation of the gripping unit so as to return the articles gripped by the gripping unit to the container rather than discharging to a target discharge destination.