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| Number | Title | Issue Date |
| 7801459 | Handicap accessible office products This is a system which is adapted to make it easier for a wheelchair occupant to operate a marking system. There is a lowering device that lowers the module or modules to a location convenient to the wheelchair user. The modules ideally are on the same vertical plan... | 09/21/2010 |
| 7798464 | Twist lock shipboard vibration mounting system for printers/copiers This is a mounting support that secures an electrostatic marking machine to the deck of a ship or other structure. This support provides vibration-isolating systems for shipboard mounting of these marking machines. The US Navy has imposed strict one-man, short-time ... | 09/21/2010 |
| 7796788 | Device and method to inhibit residue on platen glass while scanning In an electrophotographic marking system a guard is provided to prevent fingerprint smears or markings on a platen glass. When fingerprint images are made, oil and other debris from the fingers mark the platen and cause subsequent images to reproduce these markings.... | 09/14/2010 |
| 7793932 | Wire stacker tray with movable bands or springs The present invention provides a paper collecting tray that reduces or eliminates paper curling. The collecting tray has a wire structure using springs or movable bands to support various size papers. These springs are provided in one embodiment to support paper she... | 09/14/2010 |
| 7793777 | Belt installation guides A belt installation guide is disclosed which accommodates the loading of a new belt around drive rollers in a belt module assembly. The guide is placed opposite the end portions of the rollers, the belt is slipped over the guides and held by the guides until the bel... | 09/14/2010 |
| 7760226 | ROS Deskew Mechanism with linear actuator In a color marking assembly, a series of ROS units are aligned above a photoconductive surface. These units have side mounts and a side positioned outboard linear actuator connecting them to this assembly. The inboard mounts are attached to a first inboard side of t... | 07/20/2010 |
| 7756442 | Locking feature for use in cartridge insertion guide applications A guide is used to protect a corona cartridge during shipping and during insertion into an electrostatic marking apparatus. The guide has dimensions that will permit the cartridge to fit therein and has a locking mechanism that securely holds the cartridge in place ... | 07/13/2010 |
| 7738826 | Interlocking fastener design prevents part movement When a TAB assembly is used in the transfer station of an electrostatic marking system, the blade used in the TABs becomes deformed or improperly aligned due to lateral movement of the clamp, held by rivets, which is used to maintain proper blade alignment. Provided... | 06/15/2010 |
| 7736705 | Two-slot coating of photosensitive members This method to make an original photoconductor or replacement element uses a two-slot coating process to substantially simultaneously deposit a new SMTL coating layer and a thinner overcoating on an already existing SMTL layer or on a substrate. The total thickness ... | 06/15/2010 |
| 7715749 | Charge corotron auto-cleaner device High torque causing machine failures and motor damage are corrected by the embodiments of this invention. Springs are put on both ends of the lead shaft and the windings around the lead shaft are reduced to substantially reduce the torque created during a power on-p... | 05/11/2010 |
| 7715743 | Charger with a probe and controller This is a charging assembly that is useful in marking processes with an electrostatically charged surface. The assembly includes, besides the charger, a controller and an electric field probe. Charge and current flows can be detected by the probe and corrected immed... | 05/11/2010 |
| 7691446 | High temperature silicone processing of fuser structure This is a process to restore compression set properties of a silicone rubber fuser structure that has been damaged during the coating of the silicone with Teflon; Teflon is a registered trademark of DuPont. This restoration is achieved by re-baking the coated fuser ... | 04/06/2010 |
| 7690248 | Measurement of paper stack topography This is a probe that can be used to measure any curl on a stack of sheets in a sheet stacking tray. In printing systems including electrophotographic systems, sheets tend to curl on edge portions. This curl can adversely affect the final copy and copies fed to finis... | 04/06/2010 |
| 7686299 | Registration carriage nip release with reduced reaction forces This is a paper registration system that allows for a lateral reset while the paper is present in the nip space. By separating the nips, the carriage can move to reset position for the next sheet while the previous sheet is still present in the carriage. In a... | 03/30/2010 |
| 7672620 | Developer purification station or structure This is a magnetic developer purification structure that is used along with other stations positioned in the path of an electrostatic moving belt or drum in an electrostatic marking system. This purification structure may be a separate station or may be part of the ... | 03/02/2010 |
| 7654524 | Multi-feed detection independent of number of sheets or type of sheets This is a simple and effective multi-feed system for use in marking apparatus where the transport of paper or other media is vital. The system is independent of the weight or type of paper used as was not the case in the prior art. The present system employs the nat... | 02/02/2010 |
| 7634222 | Oil dispenser for simplex and duplex print engine This is a mechanical oil dispenser for use in applying an oil to the surface (or two surfaces in a duplex mode) of printed media to improve its sheet-handling characteristics. This dispenser system has an oil-containing housing or tank with oil ports at the bottom o... | 12/15/2009 |
| 7631859 | Dual disc stacker/stitcher high speed finisher This is a stacker/stitcher assembly having two disc stackers facing each other. In between the stackers is a common collection tray for receiving the stacked substrates. The assembly can handle printed output of up to 360 ppm. A bypass is provided to divert printed ... | 12/15/2009 |
| 7591468 | Low noise compile paddles A flexible blade for use in a paddle wheel drive element is disclosed. This flexible blade, usually made from rubber or other flexible materials is horizontally split into two sections to provide reduced audible noise when the blade contacts and moves paper sheets. | 09/22/2009 |
| 7587163 | Cleaning blade edge stiffener to improve blade tucking robustness This is a cleaning blade useful in an electrophotographic marking system. Under certain conditions, cleaning blades will tuck when the blade continuously contacts a photoconductive surface of this marking system. This tucking causes abrading and damage to the moving... | 09/08/2009 |
| 7580665 | Chemically-treated cleaning web A fuser debris inhibiting system and apparatus using an impregnated cleaning web. This web is impregnated with EDTA or its salts. The web can contact the fuser member directly or can contact external heat rolls which in turn contact the fuser roll. The delivery of E... | 08/25/2009 |
| 7571904 | Control system for indexing compiler drive shaft that senses drive torque to initiate indexing A finishing-compiling station or structure is disclosed where marked copies of paper or other media are transported into a compiling tray for paper registration by paddle wheels or other such deflection loaded compiler drive elements. These sheets of paper after reg... | 08/11/2009 |
| 7570912 | Pressure roll for fusing operation Washers are used for a pressure roll in a fusing system of an electrophotographic system that improve the functionality and durability of the pressure roll. These washers are made up of a rigid ring section having flexible (less rigid) fingers projecting from the in... | 08/04/2009 |
| 7561834 | Developer dispense for enhanced stability in xerographic printing systems A two dispenser system is used to replenish developer and toner in an electrostatic marking system. This two dispenser system replenishes toner and developer in a more accurate way since each of the dispensers are individually controlled and operated. Better quality... | 07/14/2009 |
| 7556368 | Phase change marking systems with release agents This is a phase change marking system with the ability to minimize adherence of a marking composition to a component in the system, such as an imaging member. In this manner, offset is avoided and a better image results on the paper or receiving medium. This is acco... | 07/07/2009 |
| D595031 | Hairdresser's cape | 06/30/2009 |
| 7549879 | Modular snap-together electrical and air connector This is a modular connector used to supply electricity and air to a corona assembly. The connector has an electrical component removably positioned on an air component. When one of these components becomes inoperative, it can be detached from the other component, an... | 06/23/2009 |
| 7547007 | Welding clamp A clamp for use in welding which has a unshaped configuration with a base section having two movable jaws connected to it. The jaws are spring loaded so they will widen to fit objects to be welded at least one of the jaws has cut out portions to permit the user to s... | 06/16/2009 |
| 7530567 | Finisher compiler tray This is a compiler tray with a Velcro® surfaced back guide enabled to be used with Birds Beak Edge Curl Suppressors to minimize up curl and down curl of sheets fed into the tray and improve Stapled Set Registration. The Velcro® is either fixed to the back guide or... | 05/12/2009 |
| 7527260 | Closed loop scuffer for sheet handling This is a paper-handling system using a motor driven frictional drive element to push a paper sheet into a compiling tray. The tray has a registration wall where a paper sheet is abutted to align a paper stack. The system uses a sensor to convey relevant information... | 05/05/2009 |
| 7526243 | Vibration method to reduce and/or eliminate friction/noise A small vibrator is connected to a cleaning blade or cleaning blade holder in an electrostatic marking system. This vibrator in a cycle out step moves the blade up and down and reduces thereby overall contact with the photoconductor surface; this reduces any noise c... | 04/28/2009 |
| 7518376 | Electric field probe This is an electronic scanning probe, preferably made up of at least two sensing elements, each sensing element substantially surrounded by reference electrodes. These sensing elements are separated at a distance that causes little or no cross-interference to take p... | 04/14/2009 |
| 7516956 | Repositionable sheet side guide and sheet size indicator For sheet stacking trays having a lowered sheet stacking position and raised sheet feeding positions, and repositionable stack edge guides, improved visual accuracy for the repositioning of the stack edge guide for different sheet sizes is provided by automatically ... | 04/14/2009 |
| 7509084 | Electrophotographic marking systems with release agents This is an electrophotographic marking system with the ability to minimize adherence of a marking composition to a fixing component in the system, such as a fuser roll. In this manner, offset is avoided and a better image results on the paper or receiving medium. Th... | 03/24/2009 |
| 7505722 | Convective hot air impingement device with localized return paths This is a pre-heater system especially useful in an electrostatic marking apparatus. It is used to heat the toner and paper (media) prior to the paper entering the conventional fuser station. Using this pre-heater increases fusing productivity (ppm), widens media la... | 03/17/2009 |
| 7493067 | Toner and developer purification system This is a test procedure for detecting contaminants or a method for removing contaminants from toner to be used in an electrophotographic marking system. The method simulates the mixing and separation of contaminants that occur in an actual development system. It ha... | 02/17/2009 |
| 7463004 | Planetary dual stepper drives An electrostatic marking system is provided having a power source(s) in each of its processing stations. A specialized power source is made up of two stepper motors in operative connection to a planetary gearset. This gearset is comprised of a sun gear, a set of pla... | 12/09/2008 |
| 7450873 | Marking system involving non-business usage This is a method for permitting an employee (user) authority to use his employer's marking apparatus for personal reasons. The supplier (provider) of the marking apparatus for example, Xerox Corporation, makes arrangements with the employee (with employer's approval... | 11/11/2008 |
| 7432504 | Dicorotron wire assembly removal and storage tool A system and apparatus that removes and collects non-functional wire assemblies from dicorotron units is described. It has a removal tool mounted on the top of a storage box. The removal tool has an open top and bottom, the open bottom is aligned with an opening in ... | 10/07/2008 |
| 7428402 | Carbon nanotube composites for blade cleaning in electrophotographic marking systems A cleaning blade is used to clean a photoreceptor surface in an electrophotographic marking system. The elastomeric blade contains an amount of carbon nanotubes that improves the mechanical, electrical and thermal properties for cleaning the photoreceptor surface. T... | 09/23/2008 |
