| Patent application number | Description | Published |
|---|
| 20090067883 | POWER TRANSMITTING UNIT, AND DEVELOPING DEVICE AND IMAGE FORMING APPARATUS HAVING THE SAME - An image forming apparatus includes a main body in which a photosensitive medium is disposed, and a developing device detachably disposed at the main body to develop electrostatic latent images on the photosensitive medium. The developing device includes a developing member disposed in a developing unit to supply developing agent to the photosensitive medium, a driven member to receive power from a driving member, and to allow the developing member to rotate, and a power transmitting member to connect the developing member and the driven member, and to absorb a movement of a normal force direction of a driving force generated between the driving member and the driven member. | 03-12-2009 |
| 20090214248 | IMAGE FORMING APPARATUS - An image forming apparatus having a mounting/demounting structure between a main body and an image carrying unit. The image forming apparatus includes a main body provided with a first electrical connecting part, an image carrying unit removably mounted in the main body and provided with a second electrical connecting part, and a guide device to guide the image carrying unit in an insertion direction and a lateral direction so that the second electrical connecting part of the image carrying unit is connected to the first electrical connecting part of the main body. Accordingly, interference between the image carrying unit and an inner side surface of the main body is decreased, and mounting performance is enhanced. | 08-27-2009 |
| 20090214254 | PHOTOSENSITIVE BODY UNIT AND IMAGE FORMING APPARATUS HAVING THE SAME - An image forming apparatus having an improved photosensitive body unit capable of efficiently utilizing an inner space of the image forming apparatus. The image forming apparatus includes a photosensitive body unit having a photosensitive body housing and a photosensitive body mounted in the photosensitive body housing. The photosensitive body housing includes a first developer storage part to store a developer collected from the photosensitive body, a second developer storage part to store a developer conveyed from the first developer storage part, and a light window provided so that light can be scanned to the photosensitive body. The light window is positioned between the first developer storage part and the second developer storage part. Developer paths are provided on outer side portions of the light window to connect the first developer storage part and the second developer storage part. | 08-27-2009 |
| 20090214262 | IMAGE FORMING APPARATUS AND DEVELOPING UNIT THEREOF - An image forming apparatus to enhance a user's convenience by adequately designing developer storage capacities of developing devices in consideration of an amount of consumed developer includes an image carrier, and plural developing devices arranged along a rotational direction of the image carrier to supply a developer to the image carrier. The plural developing devices include a first developing device having a largest developer storage capacity, and a second developing device disposed in a most downstream side with respect to the rotational direction of the image carrier. The second developing device has a second largest developer storage capacity. | 08-27-2009 |
| 20090214277 | DEVELOPER STORAGE DEVICE AND IMAGE FORMING APPARATUS HAVING THE SAME - A developer storage device and an image forming apparatus having the same include a developer storage part including a first storage part and a second storage part having widths different from each other, and a first developer conveying member to convey a developer stored in the first storage part to the second storage part in a diagonal direction. The first developer conveying member includes conveying elements extended slantingly with respect to a width direction of the developer storage part. An angle between the conveying elements and the width direction of the developer storage part is determined depending on relative positions of the first storage part and the second storage part. Accordingly, the developer storage device can effectively convey a developer by designing the developer conveying member adequately for an overall shape or structure of the developer storage device. | 08-27-2009 |
| 20090274489 | DEVELOPING APPARATUS USABLE WITH IMAGE FORMING APPARATUS, IMAGE FORMING APPARATUS HAVING THE SAME, METHOD TO PREVENT DEVELOPER FROM FLOWING OUT THE DEVELOPING APPARATUS - A developing apparatus usable with an image forming apparatus includes a developer carrier includes a plurality of magnetic poles and a case to rotatably support the developer carrier, the case storing developer is supplied to the developer carrier, and a magnetic pole changing apparatus disposed at an end of the developer carrier to change a position of the plurality of magnetic poles with respect to the case. | 11-05-2009 |
| 20090304413 | IMAGE FORMING APPARATUS, DEVELOPING DEVICE AND DEVELOPER CARTRIDGE THEREOF - An image forming apparatus, a developing device and a developer cartridge are disclosed. The developer cartridge includes a cartridge housing and a developer delivery unit to deliver a developer received in the cartridge housing. The developer delivery unit includes a delivery member and a contact portion to come into contact with the delivery member. The contact between the contact portion and the delivery member form a length longer than a straight line connecting one end of the contact portion to the other end. | 12-10-2009 |
| 20100104303 | IMAGE FORMING APPARATUS - An image forming apparatus includes a developing device including at least one image unit using developers of opposite polarities and different colors simultaneously, and at least one image unit using a single color developer of a constant polarity, a light source device including a plurality of light sources to form an electrostatic latent image on the plurality of image units, and a controller to control output of the light source in at least three output levels. | 04-29-2010 |
| 20110033208 | DEVELOPING DEVICE USABLE WITH IMAGE FORMING APPARATUS AND DEVELOPER DELIVERY DEVICE THEREOF - A developing device usable with an image forming apparatus having a developer delivery device of an improved drive configuration. The developing device includes a developer storage unit, a rotating member arranged in the developer storage unit, and a plurality of developer delivery members arranged in an axial direction of the rotating member to be rotated around the rotating member upon receiving rotation power from the rotating member. A first power-transmission structure may be provided between at least one of the plurality of developer delivery members and the rotating member to allow slip therebetween. | 02-10-2011 |
| 20110052265 | DEVELOPING DEVICE USABLE WITH IMAGE FORMING APPARATUS - A developing device usable with an image forming apparatus, which has an improved configuration to allow smooth flow of developer stored therein. The developing device includes a housing in which a developer receiving chamber is defined, a partition to divide the developer receiving chamber into a first developer receiving chamber and a second developer receiving chamber, and a first developer delivery member arranged in the first developer receiving chamber to deliver developer in a first direction. The partition includes at least one opening to communicate the first developer receiving chamber and the second developer receiving chamber with each other, and a shield to block between the first developer receiving chamber and the second developer receiving chamber at an upstream position of the first direction so as to isolate the two developer receiving chambers from each other. | 03-03-2011 |
