Patent ID: 7734232
Filing Date: 2010-06-08
Classification: G03G

Abstract:
1. A toner cartridge comprising: a case main body including a toner chamber which contains a toner, an outer surface of the case main body having a filling hole for filling the toner into the toner chamber; a cover member attached to the outer surface of the case main body to cover the filling hole; and a lock mechanism; wherein the cover member is detachably attached to the case main body by the lock mechanism provided between the case main body and the cover member; the lock mechanism includes at least two lock structures which lock the cover member to the case main body and a release tool that has a structure that is adapted to perform a lock release operation of the at least lock structures; each of the at least two lock structures has an elastic engagement claw and an engagement recess which are provided on opposite surfaces of the case main body and the cover member, respectively; and the release tool has a structure that allows all of the elastic engagement claws to be simultaneously displaced in a lock release direction.