US 12,405,568 B2
Image forming apparatus including coupling member selectively coupled to photosensitive drum
Yasushi Okabe, Nagoya (JP); and Junichi Hashimoto, Toyohashi (JP)
Assigned to BROTHER KOGYO KABUSHIKI KAISHA, Nagoya (JP)
Filed by BROTHER KOGYO KABUSHIKI KAISHA, Nagoya (JP)
Filed on Apr. 26, 2024, as Appl. No. 18/647,889.
Application 14/053,143 is a division of application No. 12/606,660, filed on Oct. 27, 2009, granted, now 8,577,255, issued on Nov. 5, 2013.
Application 18/647,889 is a continuation of application No. 17/752,219, filed on May 24, 2022, granted, now 12,007,714.
Application 17/752,219 is a continuation of application No. 17/089,879, filed on Nov. 5, 2020, granted, now 11,353,823, issued on Jun. 7, 2022.
Application 17/089,879 is a continuation of application No. 16/573,094, filed on Sep. 17, 2019, granted, now 10,831,152, issued on Nov. 10, 2020.
Application 16/573,094 is a continuation of application No. 16/130,438, filed on Sep. 13, 2018, granted, now 10,444,700, issued on Oct. 15, 2019.
Application 16/130,438 is a continuation of application No. 15/275,905, filed on Sep. 26, 2016, granted, now 10,082,766, issued on Sep. 25, 2018.
Application 15/275,905 is a continuation of application No. 14/948,591, filed on Nov. 23, 2015, granted, now 9,477,202, issued on Oct. 25, 2016.
Application 14/948,591 is a continuation of application No. 14/053,143, filed on Oct. 14, 2013, granted, now 9,201,370, issued on Dec. 1, 2015.
Claims priority of application No. 2008-281991 (JP), filed on Oct. 31, 2008; application No. 2008-281992 (JP), filed on Oct. 31, 2008; and application No. 2008-281993 (JP), filed on Oct. 31, 2008.
Prior Publication US 2024/0345537 A1, Oct. 17, 2024
Int. Cl. G03G 21/18 (2006.01); G03G 15/00 (2006.01); G03G 15/01 (2006.01); G03G 21/16 (2006.01)
CPC G03G 21/1853 (2013.01) [G03G 15/0194 (2013.01); G03G 15/5008 (2013.01); G03G 15/757 (2013.01); G03G 21/1647 (2013.01); G03G 21/1652 (2013.01); G03G 21/1825 (2013.01); G03G 21/1842 (2013.01); G03G 21/1867 (2013.01); G03G 15/0178 (2013.01); G03G 2221/166 (2013.01); G03G 2221/1684 (2013.01); G03G 2221/1869 (2013.01)] 14 Claims
OG exemplary drawing
 
1. An image forming apparatus comprising:
a main casing;
a process frame movable into and out of the main casing in a front-to-rear direction;
and a plurality of process cartridges supported by the process frame, the plurality of process cartridges being movable together with the process frame relative to the main casing in a state where the plurality of process cartridges is supported by the process frame,
one of the plurality of process cartridges including:
a drum cartridge movable relative to the process frame in a gravitational direction, the drum cartridge including a photosensitive drum rotatable about a drum axis extending in a left-right direction, the left-right direction crossing both of the front-to-rear direction and the gravitational direction; and
a toner cartridge configured to accommodate toner to be supplied to the photosensitive drum, the toner cartridge being removable relative to the process frame in the gravitational direction.