US 11,921,457 B2
Drum unit
Yuwen Wang, Nagoya (JP); Junichi Hashimoto, Toyohashi (JP); Isao Kishi, Nagoya (JP); and Kazuaki Ooka, Nagoya (JP)
Assigned to BROTHER KOGYO KABUSHIKI KAISHA, Nagoya (JP)
Filed by BROTHER KOGYO KABUSHIKI KAISHA, Nagoya (JP)
Filed on Apr. 11, 2022, as Appl. No. 17/717,555.
Application 17/717,555 is a continuation of application No. 17/174,540, filed on Feb. 12, 2021, granted, now 11,320,779.
Application 17/174,540 is a continuation of application No. 16/926,870, filed on Jul. 13, 2020, granted, now 10,942,485, issued on Mar. 9, 2021.
Application 16/926,870 is a continuation of application No. 16/656,893, filed on Oct. 18, 2019, granted, now 10,725,427, issued on Jul. 28, 2020.
Application 16/656,893 is a continuation of application No. 16/144,178, filed on Sep. 27, 2018, granted, now 10,488,813, issued on Nov. 26, 2019.
Claims priority of application No. 2018-067899 (JP), filed on Mar. 30, 2018.
Prior Publication US 2022/0236689 A1, Jul. 28, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. G03G 15/08 (2006.01); G03G 21/16 (2006.01); G03G 21/18 (2006.01)
CPC G03G 21/1671 (2013.01) [G03G 15/0889 (2013.01); G03G 21/1623 (2013.01); G03G 21/1647 (2013.01); G03G 21/1853 (2013.01); G03G 2221/1678 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A device for use with an image forming apparatus, comprising:
a frame including:
a roller rotatable about a first axis extending in a first direction, and
a lock lever pivotable about a first pivot axis extending in a second direction intersecting with the first direction, the lock lever being pivotable between a first lock position at which a cartridge is locked relative to the frame and a first unlock position at which the cartridge is unlocked relative to the frame.