US 11,885,666 B2
Linear compensation apparatus and weighing system for accurate weighing and measurement of fine materials
Jinjie Cai, Changzhou (CN); Xiang Li, Changzhou (CN); Zhihe Chao, Changzhou (CN); Chenggang Ding, Changzhou (CN); Xiaomin Zhang, Changzhou (CN); and Chunhui Li, Changzhou (CN)
Assigned to Mettler-Toledo (Changzhou) Precision Instruments Co., Ltd, Changzhou (CN); Mettler-Toledo (Changzhou) Measurement Technology Co., Ltd, Changzhou (CN); and Mettler-Toledo International Trading (Shanghai) Co., Ltd, Shanghai (CN)
Filed by Mettler-Toledo (Changzhou) Precision Instruments Co., Ltd, Changzhou (CN); Mettler-Toledo (Changzhou) Measurement Technology Co., Ltd, Changzhou (CN); and Mettler-Toledo International Trading (Shanghai) Co., Ltd, Shanghai (CN)
Filed on Sep. 2, 2021, as Appl. No. 17/446,788.
Claims priority of application No. 202010923694.1 (CN), filed on Sep. 4, 2020.
Prior Publication US 2022/0074787 A1, Mar. 10, 2022
Int. Cl. G01G 23/01 (2006.01); G01G 21/23 (2006.01); G01G 23/04 (2006.01)
CPC G01G 21/23 (2013.01) [G01G 23/012 (2013.01); G01G 23/04 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A linear compensation apparatus for accurate weighing and measuring of fine materials, having a weight loading mechanism that comprises:
a bearing plate;
a drive apparatus, mounted onto the bearing plate; and
a measuring weight, for applying loads to, or reducing loads from, the bearing plate, by being hoisted or lowered by the drive apparatus.