Patent ID: 9507316
Filing Date: 2016-11-29
CPC Classification: G03G

Claim Text:
1. An image-forming device comprising: a cartridge comprising: a main body including a cartridge receiving section configured to receive the cartridge, the first cartridge being attachable to the second cartridge in a state where the second cartridge, without the first cartridge, is mounted in the cartridge receiving section, the first cartridge being configured to be restricted from being detached from the second cartridge in a state where the first cartridge and the second cartridge are both mounted in the cartridge receiving section, wherein the second cartridge comprises a lock lever configured to pivot between a restricting position and a non-restricting position, the lock lever at the restricting position restricting detachment of the first cartridge from the second cartridge, the lock lever at the non-restricting position allowing detachment of the first cartridge from the second cartridge, the lock lever being resiliently deformable to allow attachment of the first cartridge to the second cartridge when the second cartridge is already mounted in the cartridge receiving section, wherein the first cartridge comprises a protrusion configured to be restricted by the lock lever and to oppose the lock lever, the lock lever opposing the protrusion restricting the detachment of the first cartridge from the second cartridge, and wherein the main body further comprises an opposing member provided in the cartridge receiving section and configured to fix the lock lever in the restricting position, the opposing member being configured to contact the lock lever to restrict the lock lever from pivoting from the restricting position to the non-restricting position when the second cartridge is mounted in the cartridge receiving section.