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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 8068773 | Development device and image forming apparatus A development device includes a developer carrier and a developer supply belt. The developer carrier, disposed in contact with an image carrier carrying an electrostatic latent image, carries developer to be charged with a prescribed polarity and develops the electr... | 11/29/2011 |
| 7522868 | Developer unit having a developer tape for toner transfer A developer unit having a toner reservoir and a toner application device. The toner application device applies toner to a developer and the developer can be brought into a planar contact with an OPC (photo conductor drum). In order to improve the transfer of toner i... | 04/21/2009 |
| 7123866 | Electrostatic development belt An apparatus in which an electrostatic latent image is developed with toner. A donor belt is adapted to provide toner to develop the image. The donor belt includes a lower layer and a thermoplastic layer. The lower layer can include materials to regulate conductive ... | 10/17/2006 |
| 7076194 | Developing device and image forming apparatus A developing device includes an endless belt stretched around a plurality of support members, a portion of a peripheral surface of the endless belt contacting a portion of a surface of an image carrying member at a contact region, the endless belt being rotated by a... | 07/11/2006 |
| 7021753 | Image heating device having excessive temperature rise prevention function An image heating device for heating an image formed on a recording material is provided which has a heating member; an excitation coil for generating a magnetic field to induce an eddy current in the heating member; a temperature detecting member for detecting a tem... | 04/04/2006 |
| 6324366 | Sleeve rotation-feed apparatus, developing apparatus, image formation apparatus, and fixation apparatus A drive roller is rotated and a high voltage periodically alternating between plus and minus based on the potential of a conductive portion of the drive roller 2 is applied by a high voltage power source 4 to an electric charger, so that the surface of th... | 11/27/2001 |
| 6205313 | Toner charging system for atom imaging process Toner charging and/or delivery systems and methods charge and deliver charged toner particles to an image development zone without using carrier particles. Toner particles for imaging process are charged by filling the grooves or cups of a gravure member ... | 03/20/2001 |
| 5752139 | Dual-component magnetic brush developing device A dual-component magnetic brush developing device using a dual-component developer containing magnetic carriers and toner electrically attracted to the magnetic carriers. The dual-component magnetic brush developing device comprises: a magnetic field gene... | 05/12/1998 |
| 5286542 | Welded non-woven endless belt A composite endless belt for use in printers, imaging devices and the like comprises a nonwoven, porous, open pore thermoplastic substrate having one or more electrically conductive elastomeric coatings thereon. The substrate, which comprises a combinatio... | 02/15/1994 |
| 5276488 | Donor belt and electrode structure supported behind the belt for developing electrostatic images with toner A scavengeless development system in which toner is detached from a donor belt and attracted to latent electrostatic images carried by an image receiver positioned adjacent the belt. Generation of a controlled powder cloud of toner particles is effected u... | 01/04/1994 |
| 5076568 | Damping servo-motor control A system for maintaining a uniform velocity of a belt which is driven on rollers. A first roller is provided with a first encoder which supplies a pulse train to a first control device which controls a first servomotor. The first servomotor drives the fir... | 12/31/1991 |
| 5034295 | Flexible electrostatographic imaging system A flexible electrophotographic imaging member including a supporting substrate, a charge generation layer and a charge transport layer, the charge generation layer containing a homogeneous dispersion of photoconductive particles of trigonal selenium dispe... | 07/23/1991 |
| 5012288 | Dry toner development Dry toner development of an electrostatic charge pattern on a recording surface is carried out with a dry toner layer formed on a donor member by electrostatic attraction resulting from a DC voltage applied across a gap between the surface of the donor me... | 04/30/1991 |
| 4983146 | Belt tensioning and quick release device for electrophotographic system In an electrophotographic system, a compact, space-efficient device is provided which allows adjustment and quick release of a photosensitive belt. An idler roller supporting the belt is used in conjunction with a cam which provides a take-up feature. A c... | 01/08/1991 |
| 4833503 | Electronic color printing system with sonic toner release development A multi-color printer using a sonic toner release development system to provide either partial or full color copies with minimal degradation of developed toner patterns by subsequent over-development with additional colors and minimal back contamination o... | 05/23/1989 |
| 4821066 | Nonimpact printer A nonimpact printer, for example, a color printer, of the type having an endless movable web on which two or more images are formed by an electronic printhead and transferred in registration provides reliable registration using perforations along an edge ... | 04/11/1989 |
| 4764841 | Toner charging apparatus with coated toner transport members An apparatus for charging insulating toner particles comprised, in operative relationship, of a means for charging insulating toner particles and a means for transporting insulating toner particles, said means for charging and said means for transporting ... | 08/16/1988 |
| 4758486 | Endless belt shaped electrophotographic photoconductor An endless belt shaped electrophotographic photoconductor is disclosed, which comprises an electroconductive support material, a photoconductive layer formed thereon, a joint portion by which the electrophotographic photoconductor is worked into the shape... | 07/19/1988 |
| 4756992 | Full tone electrophotographic imaging reproduction A method of producing an electrostatic charge image comprising the sequential steps of: (1) bringing an electrode into proximity with a photoreceptor, the photoreceptor having a dielectric substrate and a photoconductive film intimately bonded to the subs... | 07/12/1988 |
| 4657416 | Non-impact printing apparatus The invention relates to a printing apparatus of the type which transfers an image without impact. This apparatus includes a flexible recording tape (20), a printing block (28) which is displaced along the tape so as to record latent images onto it and de... | 04/14/1987 |
| 4618241 | Apparatus, process for charging toner particles An apparatus and process for charging toner particles wherein the apparatus contains in operative relationship a rotating means for metering insulating toner particles and a deflected charging means for transporting insulating toner particles, the means f... | 10/21/1986 |
| 4600292 | Photoconductive screen A photoconductive screen includes a conductive screen substrate with many perforations therein, an insulating layer formed substantially on one side of the screen substrate, a biasing conductive layer substantially covering the insulating layer, and a pho... | 07/15/1986 |
| 4505573 | Toner charging apparatus containing wear resistant coatings There is disclosed an apparatus for effecting the charging of insulating toner particles in a charging zone situated between a moving roller, and a toner transporting roller or belt with a coating thereover comprised of a mixture of fluoropolymers and con... | 03/19/1985 |
| 4459009 | Apparatus, process for charging toner particles A process and apparatus for charging insulating toner particles wherein there is provided a charging roll containing a triboelectrically active coating, and weakly charged toner particles are transported into contact with the coating contained on the char... | 07/10/1984 |
| 4412733 | Belt developing apparatus Within an electrophotographic copier having a moving photoconductor member, a dry magnetic developing apparatus has an endless web for the purpose of transporting dry magnetic developer material from the supply to the developing zone. The web is construct... | 11/01/1983 |
| 4382420 | Development apparatus An apparatus for developing a latent electrostatic image formed on a photoconductive recording material in a dry type electrophotographic copying machine typically employing a one-component type developer comprises a conductive electrode held in contact w... | 05/10/1983 |
| 4302094 | Development method and apparatus In the development of xerographic images wherein the latent image is in the form of a periodic charge pattern, polar or polarizable toner particles are employed. It is desirable to utilize a development system that will bring the polar or polarizable tone... | 11/24/1981 |
| 4270859 | Electrophotographic apparatus for providing dry developed output from a typesetter The present invention is concerned with an electrophotographic apparatus for producing high quality, toned, first generation images. The apparatus includes: (a) a transporting device, such as a drum, belt or platen for supporting and transporting an image... | 06/02/1981 |
| 4175265 | Toner transfer system Apparatus for printing images on paper or other print medium by transferring toner on a magnetic tape onto the paper, using a voltage pulse applied between electrodes located respectively behind the tape and behind the paper. The electrode behind the tape... | 11/20/1979 |
| 4170175 | Belt tracking system A system for tracking an endless image copying or recording belt and maintaining it in alignment within a confined area includes at least three rollers with four rollers being preferred. The first roller is a cylindrical drive roller and the second and th... | 10/09/1979 |
| 4164372 | Method and apparatus for developing an electrical image In xerography a positive charge image on the surface of a photoconductor is developed with a blade shaped conductor, and a non-conductive and flexible donor sheet having on one side a negatively charged toner layer. The donor sheet is mounted such that th... | 08/14/1979 |
| 4093367 | Imaging apparatus A non-impact printing apparatus which employs xerographic techniques to develop a latent image on a transparent photoreceptor and transfer it therefrom to a receiving medium.... | 06/06/1978 |
| 4080054 | Device for replenishing toner particles An apparatus in which a developer mix of magnetic carrier granules having toner particles adhering triboelectrically thereto is brought into contact with an electrostatic latent image. The latent image attracts at least a portion of the toner particles th... | 03/21/1978 |
| 4051986 | Photoconductor storing apparatus In a copier including a photoconductor comprising a web of photoconductive material, having a plurality of photoconductive sections connected in series with one another to form an endless strip-type photoconductor, and including suitable instrumentalities... | 10/04/1977 |
| 4038665 | Recording with donor transfer of magnetic toner A method and apparatus for selectively transferring magnetic toner from a reservoir to the imaged areas of a copy web. The reservoir is used to develop a donor web in which a multiplicity of microfields have been recorded. The donor web is subsequently pa... | 07/26/1977 |
| 4003742 | Velocity compensation for bead bypass with speed reduction A system employing at least one separation roller continuously contacting the outside surface of a web and tracked to move in a fixed approximately elliptical path, for compensating for web motion during separation of the web from another surface to enabl... | 01/18/1977 |
| 4003333 | Development system Apparatus for transporting particulate development material from a container to a remote location for development of an electrostatic latent image. Also disclosed is a multilayered donor belt for use in a particulate development system.... | 01/18/1977 |
| 3984241 | Photocopying process in which photoconductor belt is incrementally replaced An apparatus for making photocopies is disclosed with a photoconductor belt adapted to move around a roller assembly with a cartridge which contains belt replacement segments. The roller assembly meshes with the cartridge to enable rapid continuous moveme... | 10/05/1976 |
| 3980475 | Process of transferring an electrostatic latent image to a dielectric support An improved electrophotographic process, where the image to be reproduced is transferred onto a photoconductive support as an image of electric charges, in which image of charges is transferred from a photoconductive support in virtual contact with a diel... | 09/14/1976 |
| 3974952 | Web tracking apparatus Web tracking apparatus for a flexible, closed loop web moving in a closed loop path defined by two or more cylindrical, hard surface supports mounted on a frame and having substantially parallel longitudinal axes which are substantially perpendicular to a... | 08/17/1976 |
