US 12,130,580 B2
Image forming apparatus
Shougo Sato, Seto (JP)
Assigned to BROTHER KOGYO KABUSHIKI KAISHA, Nagoya (JP)
Filed by BROTHER KOGYO KABUSHIKI KAISHA, Nagoya (JP)
Filed on Jun. 23, 2023, as Appl. No. 18/340,172.
Application 18/340,172 is a continuation of application No. 17/868,843, filed on Jul. 20, 2022, granted, now 11,709,454.
Application 17/868,843 is a continuation of application No. 17/066,574, filed on Oct. 9, 2020, granted, now 11,397,404, issued on Jul. 26, 2022.
Application 17/066,574 is a continuation of application No. 16/785,736, filed on Feb. 10, 2020, granted, now 10,802,438, issued on Oct. 13, 2020.
Application 16/785,736 is a continuation of application No. 16/358,834, filed on Mar. 20, 2019, granted, now 10,558,164, issued on Feb. 11, 2020.
Application 16/358,834 is a continuation of application No. 16/012,970, filed on Jun. 20, 2018, granted, now 10,241,466, issued on Mar. 26, 2019.
Application 16/012,970 is a continuation of application No. 15/379,654, filed on Dec. 15, 2016, granted, now 10,007,230, issued on Jun. 26, 2018.
Application 15/379,654 is a continuation of application No. 15/014,137, filed on Feb. 3, 2016, granted, now 9,529,321, issued on Dec. 27, 2016.
Claims priority of application No. 2015-022597 (JP), filed on Feb. 6, 2015.
Prior Publication US 2023/0333508 A1, Oct. 19, 2023
Int. Cl. G03G 21/16 (2006.01); G03G 21/18 (2006.01)
CPC G03G 21/1803 (2013.01) [G03G 21/1623 (2013.01); G03G 21/1842 (2013.01); G03G 21/1853 (2013.01); G03G 2221/1684 (2013.01); G03G 2221/1869 (2013.01)] 17 Claims
OG exemplary drawing
 
1. An image forming apparatus comprising:
a body casing having an opening;
a cover configured to move between an open position in which the opening is opened and a closed position in which the opening is closed;
a plurality of process cartridges, each of which is configured to be detachably attached to the image forming apparatus through the opening, each of the plurality of process cartridges including a photosensitive drum with a rotational axis in a first direction, the plurality of process cartridges being arranged in a second direction perpendicular to the first direction;
a drawer configured to support the plurality of process cartridges and to move in the second direction; and
a belt unit including a belt and configured to move between a contact position in which the belt is in contact with the photosensitive drum and a separated position in which the belt is separated from the photosensitive drum,
wherein the belt unit is configured to move from the contact position to the separated position when the cover moves from the closed position to the open position.