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| Number | Title | Issue Date |
| 8189317 | Grounding brush system for mitigating electrical current on rotating shafts An improved grounding brush system for mitigating electrical current on a moving object such as a rotating shaft includes an electrically conductive layer applied to the object and associated with a brush assembly for conducting electrical current from the moving ob... | 05/29/2012 |
| 8169766 | Shaft current control brush ring assembly A shaft current control brush ring assembly includes a cup and a brush ring assembly secured within the cup. The cup is secured to a motor faceplate, within a recess formed in the faceplate by interference fit, or by means of a clamp attached to the faceplate. A sli... | 05/01/2012 |
| 7889478 | Electricity conducting wheel structure An electricity conducting wheel includes a wheel body, and an electricity conducting plate; the wheel body includes a bearing, a frame, and a conducting tire around the frame; the conducting plate is joined in the wheel body, with the bearing being held in a middle ... | 02/15/2011 |
| 7652866 | Flexible conductive static control brush assembly A flexible conductive static control brush assembly includes first and second brushes disposed on a common backing strip. Each brush includes a plurality of filaments disposed inwardly from opposite edges of the backing strip. Bands overlie outer end portions of the... | 01/26/2010 |
| 7395011 | Image forming apparatus with cleaning device for removing remaining toner from outer surface of photosensitive member An image forming apparatus has a charge roller, a charge erasing device and a preliminary voltage-applying member disposed around a rotationally movable photosensitive member. The charge roller subjects a surface of the photosensitive member to a charge process whil... | 07/01/2008 |
| 7340200 | Charging unit and image forming apparatus incorporating the unit A charging unit is disclosed capable of reducing undue variation and fluctuation margin of a charging gap, and controlling accurately the proper gap durably over the change of environmental conditions, which is suitably incorporated into an image forming apparatus. ... | 03/04/2008 |
| 7283771 | Charging roller A contact charging roller includes a support member and a conductive coating member. The conductive coating member is composed of a seamless tube that contains at least (1) a non-polar resin or a styrene-type thermoplastic elastomer excluding a poly(styrene-hydrogen... | 10/16/2007 |
| 7265474 | Spiral and leaf spring arrangement for holding and applying power to a carbon brush The invention relates to an arrangement for holding and/or guiding and applying power to a carbon brush (16, 18) in the direction of a current-transferring commutator (14) comprising a first spring element (20), which acts upon the side of the c... | 09/04/2007 |
| 7193836 | Grounding brush for mitigating electrical current on motor shafts A grounding brush for mitigating static electric charge on a motor shaft includes a plurality of filaments secured to an annular frame around the shaft, with tips of the filaments disposed in a channel defined by the frame. Conductive powder can be provided in the c... | 03/20/2007 |
| 7168806 | Laser treatment apparatus A laser treatment apparatus comprises: a binocular indirect ophthalmoscope which is fixedly mounted on a head of an operator during use; an irradiation optical system which is placed in the ophthalmoscope and adapted to irradiate a treatment laser beam delivered int... | 01/30/2007 |
| 7136271 | Static charge neutralizing assembly for use on rollers and shafts A static charge neutralizer for a moving component of an apparatus includes a plurality of filaments on a conductive strip, with tips of the filaments disposed adjacent but spaced from the moving component. The filaments induce ionization in the presence of an elect... | 11/14/2006 |
| 7113727 | Charging device using a charge roller and image forming apparatus including the same An image forming apparatus of the present invention includes a charging device including a charge roller formed with annular grooves at opposite end portions thereof and configured to charge an image carrier. Annular gap forming members each are fitted in the annula... | 09/26/2006 |
| 7110237 | Apparatus and method to reduce static charge on removable media An imaging device, including a reader adapted to receive a removable memory device, the reader having an opening through which to receive the removable memory device; and a static discharge device disposed proximate the opening such that the removable memory contact... | 09/19/2006 |
| 7103297 | Robust apparatus and method of grounding a drum photoreceptor assembly A grounding method and apparatus for robustly grounding a photoreceptor assembly, including a conductive photoreceptor drum, in a xerographic image producing machine. The grounding apparatus includes (a) a flange including a first portion having a first diameter and... | 09/05/2006 |
| 7072604 | Electro-conductive roll and image-forming apparatus using the same An electro-conductive roll is provided that makes contact with a body to be charged in a state in which a voltage is applied thereto, and charges the body to be charged, a surface of the electro-conductive roll satisfying the following conditions (a) and (b): ... | 07/04/2006 |
| 6999699 | Contact charger and image forming apparatus A contact charger for charging a charging target (e.g., a photosensitive member) includes a brush to be in contact with the charging target, and auxiliary charging particles to be interposed between the brush and the charging target. Fibers of the brush have a volum... | 02/14/2006 |
| 6990305 | Charging device using a charge roller and image forming apparatus including the same An image forming apparatus of the present invention includes a charging device including a charge roller formed with annular grooves at opposite end portions thereof and configured to charge an image carrier. Annular gap forming members each are fitted in the annula... | 01/24/2006 |
| 6963709 | Charging apparatus having auxiliary charger rubbing against image bearing member A charging apparatus has a movable image bearing member, a first charging member for charging the image bearing member, and a second charging member provided upstream of the first charging member with respect to the direction of movement of the image bearing member,... | 11/08/2005 |
| 6961529 | Charging device using a charge roller and image forming apparatus including the same An image forming apparatus of the present invention includes a charging device including a charge roller formed with annular grooves at opposite end portions thereof and configured to charge an image carrier. Annular gap forming members each are fitted in the annula... | 11/01/2005 |
| 6952856 | Ionic toothbrush A toothbrush with bristles containing a far-infrared emitting material and multi-element minerals is disclosed. The negative ions and radiation emitted from the bristles stimulate the cells of the gums and help prevent periodontal conditions. ... | 10/11/2005 |
| 6952555 | Low profile passive static control device A static control device suitable for printers, copiers and the like is disclosed with a manufacturing method therefor. A carrier strip of non-metallic, electrically conductive material, such as plastic, is provided with a plurality of spaced bundles of electrically ... | 10/04/2005 |
| 6943285 | Bipolar discharge-dissipation lightning air terminals The present invention relates to a Bipolar Discharge-Dissipation Lightning Air-Terminals, and an object of the present invention is to disperse and discharge an earth charge following a thundercloud approach in a space according to electric dipole, bipolar and elect... | 09/13/2005 |
| 6909868 | Brush charger for static-charging a photosensitive member and image forming apparatus A brush charger for static-charging a photosensitive drum by a contact method has a charging brush roller. The charging brush roller has a brush of a large number of conductive fibers, and the brush is wound around a conductive support spirally. The conductive fiber... | 06/21/2005 |
| 6875915 | Lightning arrester Disclosed is a lightning arrester. The lightning arrester safely discharges earth charge of a main electrode section and an auxiliary electrode section regardless of a variation of charge contained in air, so charge charged in a thundercloud is safely discharged int... | 04/05/2005 |
| 6847797 | Charging apparatus having auxiliary charger rubbing against image bearing member A charging apparatus has a movable image bearing member, a first charging member for charging the image bearing member, and a second charging member provided upstream of the first charging member with respect to the direction of movement of the image bearing member,... | 01/25/2005 |
| 6684042 | Charging device and image forming apparatus using the same In order to solve the problem, there is provided a charging device having: a roll-like charging member disposed in contact with a surface of a member to be charged and for charging the surface of the member to be charged; wherein: the charging member incl... | 01/27/2004 |
| 6647231 | Electrically conductive member and image forming apparatus equipped with the same The present invention discloses: (1) an electrically conductive member including: a cylindrical base body; and electrically conductive powder sealed inside of the cylindrical base body in a substantially flowable state, or (2) an electrically conductive m... | 11/11/2003 |
| 6560419 | Charging device for applying AC voltage of a frequency to charged body and image forming apparatus including such a device In the charging device, a frequency f(Hz) is set so that a frequency f(Hz) of an AC voltage to be applied to a charging member and a movement rate v(mm/sec) of the surface of an image carrier satisfy f(Hz)ࣙ40(1/mm).multidot.v(mm/sec), the charging devic... | 05/06/2003 |
| 6508601 | Charging contact plate A charging contact plate is used for preventing a primary charge roller of a cartridge used in a printer from shifting in a longitudinal direction and for charging the primary charge roller. The charging contact plate includes a main plate, a semicircle p... | 01/21/2003 |
| 6498913 | Static charge controlling system and a reproduction machine having same A static controlling system is provided for effectively and economically controlling static charge build up on a driven web member moving in contact with support structures. The static controlling system includes (a) at least one resistive contact member ... | 12/24/2002 |
| 6451438 | Copolymerization of reactive silicone and urethane precursors for use in conductive, soft urethane rollers The invention relates to a low tacky, conductive, soft urethane roller for use in a printer. The roller includes a metal salt evenly or homogeneously distributed in a copolymer formed of a diisocyanate, a reactive silicone containing an amine group; and a... | 09/17/2002 |
| 6381432 | Charging device having a toner remover In order to apply bias to a charging roller for charging a surface of a photoconductive drum uniformly, a power supply roller, which rotates while contacting with a surface of the charging roller, is provided. Brushes may be provided on the surface of the... | 04/30/2002 |
| 6307149 | Non-contaminating lightning protection system This invention is directed towards a lightning prevention system that prevents lightning strikes by draining the ambient static charge before the electrical potential reaches the electrical breakdown point of the atmosphere. This invention suppresses the ... | 10/23/2001 |
| 6260224 | Material collector having electrical power supplies and electrical conductors A broom type particle collector has a particle pick-up assembly joined to an elongated handle. The pick-up assembly has a non-electrical conductive foam plastic member accommodating a cathode for imparting negative charges or particles and an anode for co... | 07/17/2001 |
| 6252757 | Static brushes and methods of fabricating same Static brushes suitable for handling electric charges so as to obtain static electricity control including static discharge in web handling devices such as printers, presses, xerographic copiers and other film and paper handling equipment is made of condu... | 06/26/2001 |
| 6200914 | Electrically poorly conductive material for producing an insulation sleeve An electrically poorly conductive material for producing external glow-discharge protection for an electrical conductor, includes a base material which is provided with a conductive coating on at least one side. In order to ensure adequate external glow-d... | 03/13/2001 |
| 6157801 | Magnetic particles for charging, charging member, charging device, process cartridge, and electrophotographic apparatus A magnetic particle for charging is disclosed. The magnetic particle includes magnetic particles having particle diameters of 5 μm or more. The magnetic particles having particle diameters of 5 μm or more have a standard deviation of short-axis length/l... | 12/05/2000 |
| 6155557 | Sheet feeding device A member for feeding sheets is provided with a core and a cover mounted on the core. The cover is made of a conductive material or one whose coefficient of friction is lower than that of the sheets.... | 12/05/2000 |
| 6143255 | Method for controlling arcing while charging a web An apparatus for charging a web. The apparatus includes a charging electrode disposed on one side of the web and an insulating roller for supporting the web. The insulating roller is disposed on the other side of the web and is in contact with the web. A ... | 11/07/2000 |
| 6072970 | Charge roller A charge roller has a steel shaft and conductive outer cylindrical body which is formed by curing with heat a blend comprised of epichlorohydrin rubber, mineral-oil-free zinc oxide dispersion, stearic acid as a lubricant, accelerators and a sulfur donor. ... | 06/06/2000 |
