| 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 |
| 6868239 |
Developer detection device and printer |
March 15, 2005 |
| A detection mechanism is provided with a sealing member made of elastic material for preventing toner leakage between (a) a pierced wall surface of a toner tank through which a rotating shaft is inserted and (b) a second side plate provided on the rotating shaft. With this structure, a |
| 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 |
| 6741822 |
Image forming apparatus with members for holding a cartridge |
May 25, 2004 |
| Elastic members are fixed at one end to the housing of an image forming apparatus while their distal ends extend into the framework of the developing unit. When a toner cartridge is fitted to the framework of a developing unit, the distal ends of the elastic members abut the top surf |
| 5233398 |
Cleaning unit for removing residual toner on photoreceptor drum for use in image forming apparat |
August 3, 1993 |
| A cleaning unit includes a plurality of rotatable fur brushes which are arranged so as to adjoin in a downstream direction of a transferring process on a surface of a photoreceptor drum and whose tips are in contact with the surface for removing residual toner on the surface, recovering |
| 5034773 |
Developing unit with a member for agitating the toners in a developer |
July 23, 1991 |
| A developing unit in which an electrostatic latent image is formed on a photoconductor with toners transported with carriers in a developer. The toners are supplied as needed from a toner hopper. The developing unit includes an agitation roller for agitating the toners supplied from the |
