US 11,789,378 B2
Image forming apparatus and developing cartridge
Yu Fukasawa, Tokyo (JP); Yukio Kubo, Tokyo (JP); Daisuke Abe, Suntou-gun (JP); Mitsuhiro Sato, Akishima (JP); Masahiro Suetsugu, Kawasaki (JP); and Kengo Sakai, Yokohama (JP)
Assigned to CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Nov. 19, 2021, as Appl. No. 17/530,601.
Application 17/530,601 is a continuation of application No. 16/928,076, filed on Jul. 14, 2020, granted, now 11,204,566.
Claims priority of application No. 2019-132086 (JP), filed on Jul. 17, 2019; application No. 2019-135189 (JP), filed on Jul. 23, 2019; application No. 2019-139129 (JP), filed on Jul. 29, 2019; application No. 2019-172221 (JP), filed on Sep. 20, 2019; and application No. 2020-098379 (JP), filed on Jun. 5, 2020.
Prior Publication US 2022/0075286 A1, Mar. 10, 2022
Int. Cl. G03G 15/08 (2006.01)
CPC G03G 15/0863 (2013.01) 19 Claims
OG exemplary drawing
 
1. An image forming apparatus comprising:
a main body, the main body including a first metal terminal;
a plurality of toner cartridges comprised to store toner, wherein the plurality of toner cartridges respectively comprises:
a housing storing the toner,
a supporting member provided at one end in a longitudinal direction of the housing, and
a memory medium including a chip for recording information about the toner cartridge and an electrical contact and being supported by the supporting member; and
a tray which is movable between a housed position housed in the main body and a drawn- out position drawn out from the main body, the tray including:
a frame which can mount the plurality of toner cartridges;
a plurality of tray-side electrical contacts provided at the frame and able to contact the electrical contact of the memory medium of the plurality of toner cartridges respectively; and
a second metal terminal electrically connected to the plurality of tray-side electrical contacts and able to contact the first metal terminal,
wherein in a state the plurality of toner cartridges are mounted in the frame, the electrical contact of the memory medium of the plurality of toner cartridges faces an upstream side with respect to a moving direction of the tray from the drawn-out position to the housed position, in the state the plurality of toner cartridges are mounted in the frame, the plurality of tray-side electrical contacts faces a downstream side with respect to the moving direction of the tray,
in the state the plurality of toner cartridges are mounted in the frame, the electrical contact of the memory medium and the corresponding tray-side electrical contact are in contact with each other while facing each other in the moving direction of the tray, and
in the state that the second metal terminal contacts the first metal terminal while the plurality of toner cartridges are mounted in the frame, the electrical contacts of the plurality of toner cartridges and the second metal terminal are arranged with respect to the moving direction of the tray.