| Patent Number |
Title Of Patent |
Date Issued |
| 7418214 |
State detection mechanism |
August 26, 2008 |
| A state detection mechanism includes a movable member, a spring member, a fringesection, and a stopper member. The spring member displaces the movable member arranged at the first predetermined position to a second predetermined position by applying restoration force in a D direction to |
| 7020416 |
Image forming apparatus with arrangement for controlling assembly order |
March 28, 2006 |
| The process frame body has the guide portion, and the development device has the to-be-guided shaft. When the process frame body is unattached to the apparatus main body, the guide portion of the development device is absent, thus preventing proper attachment and positioning of the d |
| 6853821 |
Image forming device and toner device |
February 8, 2005 |
| A toner cartridge stored in a developer casing includes a biasing force generating device, an actuating rod that switches the biasing device between an active state and a non-active state by one movement of a release member. A developer casing swings by the movement of the actuating |
| 6360066 |
Developing apparatus having stirring shafts with elliptic stirring vanes |
March 19, 2002 |
| A developing apparatus is equipped with a development casing, a development roller, and developer stirring shafts that rotate together with the development roller. In this developing apparatus, the developer stirring shafts are disposed adjacent to each other and are also disposed su |
| 5243389 |
Toner hopper having stirring and feeding rollers |
September 7, 1993 |
| A toner hopper is arranged to feed the toner stored in itself to a developing unit and have a stirring roller and a feeding roller respectively supported rotatably, an interlocking mechanism for transmitting the force of rotation to the stirring roller, a manually rotating mechanism |
| 5239805 |
Method of packing a developer cartridge |
August 31, 1993 |
| The object of the present invention is to provide a method of packaging a developer cartridge especially for use in the image-forming of the electrophotographic process, the method by which the operativity of users can be improved and the pollution due to the sealing member of the de |
| 5235130 |
Developer cartridge |
August 10, 1993 |
| A developer cartridge is provided to prevent toner from overflowing a toner hopper into a development tank, and to prevent a toner supply roller from being deformed by heavy pressure. In order to achieve the object, the developer cartridge is provided with a seal member (8) in the toner |
| 5175587 |
Developing apparatus having a detachable developer cartridge |
December 29, 1992 |
| A developing apparatus includes a first locking means for locking a first supplying lid disposed at a first supplying opening in a closing position, a second locking element for locking a second supplying lid of a second supplying opening in a closing position, and a lock release element |
| 4937625 |
Developing device for copier |
June 26, 1990 |
| A developing device for developing a toner image on a cylindrical electrophotographic photoreceptor includes a toner container which extends perpendicularly to the direction of the photoreceptor and a toner transporting device for moving the toner supplied from the container in the d |
