Abstract: A toner cartridge opening control arrangement is constructed to include a toner cartridge for accommodating toner, the toner cartridge having an opening for output of the toner into a toner receiving container, a removable sealing member adapted to close/open the opening of the toner cartridge, a force applying member for receiving an external pulling force to move the removable sealing member, a magnetism device for imparting an outward pressure to the force applying member, and a releasable locking device adapted to lock the force applying member.

Abstract: A developing member for use in an image forming apparatus is constructed to include a developing member main body containing a developer for developing images, a sealing member sealing developer supply holes of the developing member main body, a grip member connected to one end of the sealing member for the gripping of the hand to pull the sealing member away from the developing member main body, positioning means provided at the grip member, and a position member fixedly provided in one end wall of the developing member main body and adapted for receiving the positioning means of the grip to secure the grip to the end wall of the developing member main body.

Abstract: A toner container is constructed to include a toner storing portion for accommodating toner, a supply opening adapted for guiding toner from the toner storing portion to a toner receiving portion connected to the toner storing portion, a removable sealing member sealing the supply openings, and two elastic members provided at two sides of the toner storing portion and adapted for pushing the toner storing portion away from the toner receiving portion upon disengagement of the toner storing portion from the toner receiving portion.

Abstract: A process cartridge toner supply arrangement used in a laser printer for controlling supply of toner is constructed to include a receiving member, the receiving member having toner receiving openings and a toner accommodating portion, a replaceable supplying member, the supplying member having a toner accommodating portion and toner supplying openings, and a blocking member provided between the receiving member and the supplying member and moved to close/open the toner passage between the toner receiving openings and the toner supplying openings.

Abstract: A sliding cover device arrangement for controlling toner passage between a toner container and a developing device of an image forming apparatus, wherein the developing device has a plurality of toner receiving openings formed thereon, and the toner container is adapted for holding toner and supplying toner to the developing device, and has a plurality of toner supplying openings formed thereon corresponding to the plurality of toner receiving openings.

Abstract: A toner container used with a developing device in an image forming apparatus is disclosed having a toner accommodating portion adapted for accommodating toner; a stirring member adapted for stirring toner in the toner accommodating portion, toner supplying openings for output of toner from the toner container to the developing device, a sliding cover adapted for closing/opening the toner supplying openings, and projections respectively protruded from the sliding cover and adapted for engaging into toner receiving openings of the developing device for enabling the toner container to be moved relative to the sliding cover and the developing device to close/open the toner supplying openings.

Abstract: A process cartridge and developer container assembly is constructed to include a main cartridge holding an electrophotographic photosensitive member, developing means, charging means, and cleaning means, a developer container holding developer and detachably secured to the main cartridge, and a coupling member for enabling the developer container to be detachably coupled to the main cartridge. The main cartridge has a plurality of developer receiving openings, and a first sliding cover, which opens the developer receiving openings upon installation of the developer container in the main cartridge, or closes the developer receiving openings after removal of the developer container.

Abstract: A toner supplying container detachably mountable to an image forming apparatus. In one embodiment, the toner supplying container includes a first container for receiving toner and a second container for accommodating toner and providing toner to the first container. The second container is releasably mounted to the first container at a predetermined position such that the first container and second container communicate to each other. The second container is replaceable when the toner accommodated in the second container is used up by a third container that is substantially identical to the second container but has toner therein.

Abstract: A developer container having a gear transmission mechanism coupled between a mixer, which is mounted inside the container body of the developer container to mix developer, and a propelling screw, which is mounted in a developer supply trough at a bottom side of the developer container and adapted to propel developer out of the developer container and the developer supply trough, for enabling the mixer to be rotated to mix developer upon rotary motion of the propelling screw to propel developer out of the developer supply trough.

Abstract: A developer replenishing container includes a container body, and a plurality of clamping strips selectively used with the container body for mounting in a copier, wherein the container body has a slide moved in and out of a frame at a bottom neck thereof for developer output control, and two locating blocks at two opposite sides of the bottom neck above the frame; the clamping strips each have a mouth adapted to receive the bottom neck of the container body, two recessed receiving portions disposed at two opposite lateral sides and facing each other and adapted to receive the locating blocks of the bottom neck, two flat positioning ribs respectively disposed in the recessed receiving portions at a bottom side and adapted for engaging into the gaps between the top side wall of the frame and the locating blocks of the bottom neck, and at least one stop rod disposed outside the mouth for positioning in a copier.

Abstract: A container body installed in an image forming apparatus to supply developer, having a spiral developer guide spirally extended around an inside wall thereof for guiding developer out of a front opening thereof, the spiral developer guide having a spiral guide way formed of flat surface portions and sloping surface portions alternatively connected in series, and two spiral flanges spirally formed integral with the inside wall of the container body along the series of flat surface portions and sloping surface portions at two opposite lateral sides.

Abstract: A developer container for with a developer replenishing device in a copier or the like, the developer container including a cylindrical container body having a neck at its front end, a plurality of indented parallel guide ways around the periphery thereof for stirring up contained developer upon rotary motion of the container body, and two hollow projecting portions at two opposite sides of the neck, and a dispensing end cap fastened to the neck of the container body, the dispensing end cap having a hollow cylindrical mounting portion at one end inserted into the neck of the container body, a hollow cylindrical dispensing portion disposed at an opposite end outside the neck of the container body, a plurality of developer inlets for guiding in developer from the container body, a plurality of developer outlets for guiding developer out of the end cap, and a plurality of guide grooves on an inside wall thereof for guiding developer, from the developer inlets to the developer outlets.

Abstract: A developer container having a spiral groove around the periphery, a developer supply hole at one end, two protruding positioning strips raised from the periphery at two opposite sides of the developer supply holes an annular flange at an opposite end for enabling the developer container to be put on a flat surface in vertical, two opposed notches formed on the annular flange, and two toothed blocks respectively suspended in the notches for engagement with respective toothed blocks at a driving shaft in an electrophotographic image forming apparatus for synchronous rotation with the driving shaft.

Abstract: A developer container which includes a connector element that connects a container body to an image forming apparatus. The connector has three openings therein. The first and second opening of the connector define a throughway for the developer. The third opening is situated between the first and second openings, and receives a rotating sealing member. The sealing member is rotated to open and close the throughway of the connector.

Abstract: A developer container, which includes a container body having a bottom developer supply hole and two longitudinal sliding grooves at two opposite sides of the bottom developer supply hole, a sliding cover moved with a carrier in and out of the sliding grooves at the container body, and a sealing membrane moved with the sliding cover to close/open the bottom developer supply hole.

Abstract: A developer cylinder and drive gear arrangement, includes a drive gear having a coupling hole at one end of its gear shaft, and a developer cylinder having a coupling block at its one end coupled to the coupling hole at the gear shaft of the drive gear, wherein the coupling block of the developer cylinder has six peripheral sides and six peripheral angles.

Abstract: A developer container includes a container body having a front opening, and a developer dispensing outlet near the front opening, a propelling member suspended in the container body and rotated to propel a developer out of the developer dispensing hole, and a rotary cover covered on the front opening of the container body and secured in place upon installation of the developer container in a copier for enabling the container body to be rotated relative to the rotary cover to close/open the developer dispensing outlet, wherein the container body has a sliding groove for guiding rotary motion of the container body relative to the rotary cover, and a rib for engagement with a rib at the rotary cover to stop the container body from rotary motion relative to the rotary cover; the rotary cover has a cover flange for closing the developer dispensing outlet, a guide plate matched with the sliding groove at the front end of the container body, and a rib raised from the guide plate for engagement with the rib in the sl

Abstract: A developer dispensing container includes a container body covered with a container cap, a dispensing nozzle suspended in the container body with a nozzle tube extended out of the center hole on the container cap, a nozzle cap mounted around the nozzle tube and moved along longitudinal sliding grooves at the nozzle tube to close/open the nozzle tube, a rotary driving member coupled to the nozzle cap and driven to move the nozzle cap along the longitudinal sliding grooves of the nozzle tube, and a stirrer revolvably supported on an axle bearing inside the container body and rotated with the dispensing nozzle when the nozzle cap is opened from the nozzle tube and the rotary driving member is continuously rotated.