US 12,242,223 B2
Drum cartridge including movable electrical contact surface, and image-forming apparatus using the same
Nao Itabashi, Nagoya (JP)
Assigned to BROTHER KOGYO KABUSHIKI KAISHA, Nagoya (JP)
Filed by BROTHER KOGYO KABUSHIKI KAISHA, Nagoya (JP)
Filed on Feb. 9, 2024, as Appl. No. 18/437,959.
Application 18/437,959 is a continuation of application No. 18/184,013, filed on Mar. 15, 2023, granted, now 11,934,143.
Application 18/184,013 is a continuation of application No. 17/464,347, filed on Sep. 1, 2021, granted, now 11,609,536, issued on Mar. 21, 2023.
Application 17/464,347 is a continuation of application No. 17/002,037, filed on Aug. 25, 2020, granted, now 11,112,755, issued on Sep. 7, 2021.
Claims priority of application No. 2019-158772 (JP), filed on Aug. 30, 2019.
Prior Publication US 2024/0176286 A1, May 30, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. G03G 21/18 (2006.01); G03G 15/08 (2006.01); G03G 21/16 (2006.01)
CPC G03G 21/1867 (2013.01) [G03G 15/0865 (2013.01); G03G 15/0867 (2013.01); G03G 21/1676 (2013.01); G03G 21/1814 (2013.01); G03G 21/1821 (2013.01); G03G 21/1885 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A drum cartridge for use with a developing cartridge, the drum cartridge comprising:
a photosensitive drum rotatable about an axis extending in a first direction;
a first drum frame; and
a second drum frame having an outer surface, the first drum frame being at one end portion of the drum cartridge in a second direction and the second drum frame being at another end portion of the drum cartridge in the second direction; and
a memory having an electrical contact surface, the electrical contact surface being positioned at the outer surface and movable in a predetermined direction relative to the second drum frame.