US 12,235,596 B2
Toner refill cartridge indicating whether toner has been discharged
Seungbin Ahn, Seongnam Si (KR); Woongyong Choi, Seongnam Si (KR); and Shinhyup Kang, Seongnam Si (KR)
Assigned to Hewlett-Packard Development Company, L.P., Spring, TX (US)
Appl. No. 18/292,845
Filed by Hewlett-Packard Development Company, L.P., Spring, TX (US)
PCT Filed Dec. 7, 2021, PCT No. PCT/US2021/072781
§ 371(c)(1), (2) Date Jan. 26, 2024,
PCT Pub. No. WO2023/018440, PCT Pub. Date Feb. 16, 2023.
Claims priority of application No. 10-2021-0104441 (KR), filed on Aug. 9, 2021.
Prior Publication US 2025/0004395 A1, Jan. 2, 2025
Int. Cl. G03G 15/00 (2006.01); G03G 15/08 (2006.01); G03G 21/16 (2006.01)
CPC G03G 15/0867 (2013.01) [G03G 15/0889 (2013.01); G03G 15/5016 (2013.01); G03G 21/1647 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A toner refill cartridge comprising:
a body member in which a toner is contained and comprising a toner discharge port through which the toner is discharged;
a driving power input portion rotatable by a driving power from outside the toner refill cartridge; and
display module comprising a moving display portion to move in response to a rotation power from the driving power input portion, and a fixed display portion whose position is fixed with respect to the body member, the display module to indicate whether the toner contained in the body member has been completely discharged, based on a position relationship of the moving display portion with respect to the fixed display portion.