Patent ID: 9110441
Filing Date: 2015-08-18
Classification: C02F,G03G

Abstract:
1. A cartridge that is detachably mountable on a main casing, the main casing being provided with a coupling member providing a driving force, the cartridge comprising: a first roller extending in a first direction, comprising a first shaft, and configured to rotate about a first rotational axis; a driving force receiving portion configured to receive the driving force from the coupling member to drive the first roller and rotate about a second rotational axis, the driving force receiving portion comprising a contact portion configured to be in contact with the coupling member; a first gear comprising a gear tooth, the gear being configured to transmit the driving force received at the driving force receiving portion to the first roller; a second roller extending in the first direction and being contact with the first roller, the second roller comprising a second shaft; and a second gear provided on the second shaft, the second gear being configured not to rotate with respect to the first shaft, wherein the contact portion is overlapped with the gear tooth when projected in the first direction.