Patent ID: 7174120
Filing Date: 2007-02-06
Classification: G03G

Abstract:
1. A developer supply device which supplies developer to an outside of the developer supply device by rotating a cylindrical developer container containing the developer on an axis line of the developer container as a rotation axis, wherein: the developer container has an outlet in a recessed portion provided on an outer circumferential surface of the developer container, the developer supply device includes: a support member, by surrounding at least a recessed portion forming region formed around the outer circumferential surface along a direction of rotation of the developer container so as to include the recessed portion, rotatably holding the developer container, and having a developer supply port for supplying, to the outside of the developer supply device, the developer ejected from the outlet into the recessed portion; and a scraping member, provided in the developer supply port so as to slide along the recessed portion forming region during rotation of the developer container, scraping the developer in the recessed portion by sliding along the recessed portion in the recessed portion forming region; the support member being provided with a shutter including a movable plate part for opening and closing the developer supply port, the shutter having a stopping member moving into the developer supply port by interlocking with movement of the plate part closing the developer supply port, and thereby pushing the scraping member into the recessed portion and restricting the rotation of the developer container.