US 12,146,783 B2
Windshield for balance
Hisanori Oda, Saitama (JP)
Assigned to A&D COMPANY, LIMITED, Tokyo (JP)
Appl. No. 17/765,788
Filed by A&D COMPANY, LIMITED, Tokyo (JP)
PCT Filed Nov. 6, 2019, PCT No. PCT/JP2019/043469
§ 371(c)(1), (2) Date Mar. 31, 2022,
PCT Pub. No. WO2021/090396, PCT Pub. Date May 14, 2021.
Prior Publication US 2022/0364907 A1, Nov. 17, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. G01G 21/30 (2006.01)
CPC G01G 21/30 (2013.01) 3 Claims
OG exemplary drawing
 
1. A windshield for a balance to be provided for a balance, the windshield having a door to be automatically opened and closed by a driving means, comprising:
a sensor configured to monitor movement of the door;
a stopper disposed on a movement path of the door and configured to block movement of the door; and
a control unit configured to stop the driving means when the sensor detects that movement of the door has been blocked,
wherein an opening degree of the door is determined according to a position where the stopper is disposed.