|
Match
|
Document |
Document Title |
|
|
7519315 |
Developing unit
A developing unit in an image forming device is disclosed in which developer peeled off from a developing roller can be reliably retrieved to an agitation transport member and avoid being directly...
|
|
|
7310490 |
Developing unit for an image forming apparatus
A developing unit for an image forming apparatus using a two-property developer that induces a magnetic attraction force based on the slope of a curved line representing the magnetism of each...
|
|
|
7233758 |
Developing apparatus featuring a developer carrying member with an elastic surface layer
A developing device includes a rotatable developer carrying member for carrying a developer to develop an electrostatic image formed on an image bearing member with the developer; non-rotatable...
|
|
|
7171145 |
Developing device and process cartridge for an image forming apparatus
A method of developing a latent image formed on an image carrier with toner, including causing a developer carrier, which faces the image carrier and accommodates a magnet therein, to support a...
|
|
|
7132211 |
Method for developing an electrostatic latent image
A magnetic toner contains, as a magnetic powder, magnetic iron oxide having an octahedral particle shape and an average particle diameter of 0.21 μm or larger and containing 18% or more by weight...
|
|
|
6978108 |
Developing apparatus to control bending of a magnetic field generation unit provided inside a developer carrying member
To control bending of a magnetic field generation unit provided inside a developer carrying member, a developing apparatus for developing an electrostatic image formed on an image bearing member...
|
|
|
6978109 |
Image forming apparatus
An electrophotographic image forming apparatus of the present invention frees images from various defects including the thinning of horizontal lines, the omission of the trailing edge of an image,...
|
|
|
6810222 |
IMAGE FORMING APPARATUS INCLUDING AN IMAGE CARRIER, A LATENT IMAGE FORMING MEANS, AND A DEVELOPING DEVICE CAPABLE OF PREVENTING DEVELOPER FROM ESCAPING THE DEVELOPING DEVICE, AND PROCESS CARTRIDGE THEREFORE
An image forming apparatus of the present invention includes a developing device including a sleeve and a magnet roller fixedly accommodated in the sleeve. The magnet roller includes a main...
|
|
|
6751433 |
Developing device and image forming apparatus using the same
A developing device for an image forming apparatus of the present invention includes a developing roller made up of a sleeve and a magnet roller and a doctor facing the surface of the sleeve. The...
|
|
|
6728504 |
Developing device using a magnet brush and image forming apparatus including the same
A developing device of the present invention includes an image carrier for forming a latent image thereon, and a developer carrier for depositing a developer thereon in the form of a magnet brush....
|
|
|
6704534 |
Developing device having minimum magnetic field strength adjacent regulating member
A developing device includes a developing container for containing therein a developer provided with a carrier and a toner, a conveying device for conveying the developer in the developing...
|
|
|
RE38026 |
Developing device having regulating rotary member for regulating toner amount
A developing device for an image forming apparatus such as a copying machine, a printer, or the like to develop an electrostatic latent image on an image carrier includes a toner carrier which...
|
|
|
6473586 |
Developing unit and image forming apparatus using the same
In a two-component developing unit, by devising the layout of magnetic poles 6 (particularly a pickup magnetic pole 6 b and a trimming magnetic pole 6 c ) of a magnet member 5 arranged...
|
|
|
6081684 |
Method and apparatus for image forming capable of performing an improved circulation of developer
An image forming method for improving developer recirculation capability within a developer unit includes the steps of magnetically adsorbing a developer having magnetism onto a developer carrier...
|
|
|
6067433 |
Developing apparatus for regulating the amount of developer in the vicinity of repulsive magnetic pole
A developing apparatus includes a developer bearing member, a first magnetic pole and a second magnetic pole of a same polarity as that of the first magnetic pole, and a regulating member. A...
|
|
|
6041207 |
Apparatus for controlling the movement of magnetized developer material in a latent, electrostatic image developing deviced
For realizing a satisfactory and stable developing process, the charge state of a developer and the density of toner particles contained in the developer is kept constant in the developing process....
|
|
|
6021295 |
Developing apparatus
A developing apparatus employing a three-pole stationary magnetic roller for use with a uni-component magnetic developer or toner. The apparatus includes a rotational sleeve which accommodates the...
|
|
|
5991586 |
Developing device including a magnetic regulating member
A developing device which regulates the amount of developer transported on a developing sleeve via a regulating member constructed as a magnetic member, so as to not have large fluctuation in the...
|
|
|
5860049 |
Developing apparatus and picture image forming apparatus
By employing a developer using ferrite system carriers, a developing process can be carried out using a low brushing force by a magnetic portion having the same polarity in a developing unit in a...
|
|
|
5828936 |
Developing device
A developing device is provided with a magnetic member having a plurality of magnetic poles N and S within a developing sleeve that rotates to transport a developer to an image bearing member. The...
|
|
|
5781835 |
Developing device comprising a magnetic member
A developing device includes a developer container for accommodating one component magnetic toner; a rotatable toner carrying member, faced to an image bearing member for bearing an electrostatic...
|
|
|
5781836 |
Developing device having regualting rotary member for regulating toner amount
A developing device for an image forming apparatus such as a copying machine, a printer, or the like to develop an electrostatic latent image on an image carrier includes a toner carrier which...
|
|
|
5768667 |
Developer roll magnet for toner cartridge
An improved developer roll magnet for a toner cartridge provides a strip of magnetic material that extends axially along a surface of the developer roll magnet located coaxially within a developer...
|
|
|
5765080 |
Magnetic development zone toner supply enhancement
A method and apparatus for delivering a uniform supply of toner to a development zone in an electrostatographic system is disclosed. Additional toner control in the form of magnets located near the...
|
|
|
5754929 |
Development apparatus
A development apparatus having a development sleeve for carrying and transporting a magnetic developer, a regulating roll for controlling the thickness of a layer of the developer on the...
|
|
|
5606404 |
Toner development station with non-conductive skive
A development station for applying dry toner to an image member includes a rotatable magnetic core and an input skive to determine the height of the developer nap on a shell surrounding the core....
|
|
|
5529628 |
Developing unit
A developing roll includes a tubular sleeve driven for turn, and a magnet roll fixedly supported. An intensively magnetized block, shaped like U in cross section, is buried in the magnet roll at a...
|
|
|
5525752 |
Developing apparatus
A developing device for developing an electrostatic latent image includes a rotatable developer carrying member for carrying a developer composed of toner particles and magnetic carrier particles,...
|
|
|
5434351 |
Developing device having developing cylinder with weak magnetic pole and adjacent strong magnetic poles
A developing cylinder used in an electrophotographic developing device is improved in the efficiency of separation of a developer on its surface. A magnetic working force functioning to separate...
|
|
|
5432033 |
Method of electrophotographically forming visual image
There is provided an improved electrophotographic image-forming method in which a image-bearing member is charged by brushing a surface of the image-bearing member with a magnetic brush of a...
|
|
|
5424489 |
Magnetic brush developing apparatus
A magnetic brush developing apparatus includes a development container containing a developer. A magnet is stationarily located in the development container and has magnetic poles radially provided...
|
|
|
5353104 |
Defining member for defining thickness of one-component developer and developing device equipped with it
An elastic blade which is maintained in contact with the developing sleeve for defining the thickness of one-component developer to be transported by the developing sleeve to a developing area, is...
|
|
|
5298949 |
Method and apparatus for removing a portion of a developing material deposited on a non-image area of a surface of a latent image carrier
An electrophotographic apparatus has a photoreceptor drum supported for rotation in one direction sequentially past a plurality of processing stations, a corona charger for electrostatically...
|
|
|
5239343 |
Developing apparatus with regulating member having magnetic and non-magnetic members
A developing apparatus includes a developer layer thickness regulating zone downstream of one of magnetic poles of a stationary magnet disposed inside a developing sleeve, with respect to the...
|
|
|
5185496 |
Electrostatic latent image device having a coating layer provided on a developer carrying member
An electrostatic latent image developing apparatus includes a movable developer carrying member for carrying developer to a developing zone where an electrostatic latent image on an image bearing...
|
|
|
5168311 |
Image forming apparatus and process for forming an image for magnetic end character recognition
An image forming apparatus for forming an image for magnetic ink character recognition includes an image bearing member, a latent image forming device for forming on the image bearing member an...
|
|
|
5072690 |
Developing device of electrophotographic printer
A developing device for use in an electrophotographic printer comprises a non-magnetic cylindrical developing sleeve for conveying magnetic toner on its surface in rotating condition, a toner...
|
|
|
5070812 |
Electrostatic latent image developing apparatus
A developing apparatus for developing an electrostatic latent image formed on an image bearing member includes a developer chamber containing a developer comprising non-magnetic toner particles and...
|
|
|
5061964 |
Developer unit using magnetic toner particles
An apparatus in which developer material comprising carrier granules and magnetic toner particles is transported closely adjacent to a latent image. The developer roller transporting the developer...
|
|
|
5034773 |
Developing unit with a member for agitating the toners in a developer
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....
|
|
|
5014089 |
Developer in an image forming device having a binding resin and magnetic powder
A developer for developing electrostatic images, containing a magnetic toner having a binder resin and magnetic powder, the developer containing 17-60% by number of magnetic toner particles of 5...
|
|
|
4989044 |
Developing apparatus for developing electrostatic latent images
A developing apparatus using one component developer includes a developing sleeve for carrying the developer to a developing zone. The developing sleeve has an outer coating layer made of resin...
|
|
|
4982689 |
Developing apparatus having a developing roller with fine concavities
A developing apparatus for developing an electrostatic latent image includes a container for containing a developer, a rotatable developing roller for carrying the developer supplied from the...
|
|
|
4941019 |
Apparatus for developing electrostatic latent image
A developing apparatus wherein a developer is carried on a rotatable developing sleeve having a magnet therein into a developing zone where the sleeve and a image bearing member carrying an image...
|
|
|
4936249 |
Developing apparatus having a two pole stationary magnet
A developing apparatus including a cylindrical member having an outer diameter of 5-25 mm to carry a developer. In the cylindrical member, there is disposed a stationary magnet having only two...
|
|
|
4929981 |
Developing apparatus
A developing apparatus wherein a magnet is stationarily disposed within a sleeve for carrying a developer. Adjacent an outer periphery of the magnet, only two magnetic poles having different...
|
|
|
4895105 |
Developing apparatus with pressure regulating member
A magnet is disposed in a sleeve for carrying a developer. At a position between two adjacent magnetic poles along the periphery of the magnet, an elastic plate is contacted to the sleeve. The...
|
|
|
4887131 |
Developing apparatus using magnetic particles and toner particles
A developing apparatus for developing an electrostatic latent image on an electrostatic latent image bearing member includes a container for containing a developer which contains toner particles...
|
|
|
4878088 |
Developing unit of electrophotographic apparatus
A developing unit of an electrophotographic apparatus is provided for developing an electrostatic latent image formed on an image forming member, by electrostatically adsorbing powder developer...
|
|
|
4876574 |
Developing apparatus
A developing apparatus in which toner and magnetic particles are supplied to a rotatable developing sleeve to which an elastic blade is contacted. Substantially only the toner is passed through the...
|