Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 8181956 | Sheet transport device for image forming apparatus A sheet transport device includes: a registration roller pair that includes a first roller and a second roller lower in abrasion resistance than the first roller, and nips and transports a recording medium; and a drive mechanism that provides a rotation to the first... | 05/22/2012 |
| 8118302 | Passive linear encoder A passive linear encoder includes a loop and a sensor. The loop is configured to engage print media and to move in concert with, and under power of, the print media. The sensor is positioned to scan indicia defined on an inner surface of the loop. ... | 02/21/2012 |
| 7748707 | Feeder assembly employing vertical sheet registration A method for deskewing a sheet. The method includes positioning a lower roller pair and at least one upper roller pair to form a substantially vertical transport path, wherein the lower roller pair and at least one upper roller pair each form a nip. The method inclu... | 07/06/2010 |
| 7644919 | Sheet processing apparatus and sheet bundle alignment method When a new paper sheet is supplied onto a compiling tray, a sub-paddle holds down paper sheets having already been stacked on the compiling tray until a leading edge of the new paper sheet S touches the stacked paper sheets. Thereafter, the sub-paddle gets apart fro... | 01/12/2010 |
| 7578503 | Variable pressure belt driven sheet registration system A sheet registration system for a sheet handling device has a plurality of driven belts. Each belt is entrained about a driven roller and an idler roller. The driven rollers are fixedly mounted on a common drive shaft that is connected to a motor. The idler rollers ... | 08/25/2009 |
| 7537210 | Sheet conveying apparatus, image forming apparatus, and image reading apparatus A curved conveying guiding portion which guides a sheet toward a skew correcting unit is provided on a sheet conveying direction upstream of the skew correcting unit which corrects a skew of the sheet by rotating the sheet while conveying it. By narrowing an interva... | 05/26/2009 |
| 7451981 | Sheet conveying device A sheet conveying device that facilitates solution of a jam of a sheet and which is capable of inhibiting shortening of life due to a jam is provided. A sheet having a bent leading end that is very likely to jam is positively made to jam at a blocking portion formed... | 11/18/2008 |
| 7441772 | Sheet-conveying device A sheet-conveying device includes a sheet conveying path along which a sheet is conveyed, a conveying roller, an inclined roller, an inclined-roller-supporting member that supports the inclined roller such that the inclined roller can rotate around a rotational axis... | 10/28/2008 |
| 7422208 | Sheet material information-detecting apparatus A sheet material information-detecting apparatus is provided which is capable of detecting the type of a sheet material even if the sheet material is anisotropic. When recording paper sheet P is fed, feed rollers 1a and 1b are moved to na... | 09/09/2008 |
| 7404557 | Sheet transporting apparatus and sheet processing apparatus using the same A sheet transporting apparatus, includes: a sheet transportation path; a predetermined number of transport members disposed in a sheet transportation path; a side position regulating mechanism which regulates a position of a side edge of a sheet in the sheet transpo... | 07/29/2008 |
| 7370863 | Duplex image forming apparatus with feeding roller with at least three different speeds An image forming apparatus is provided. The image forming apparatus is capable of suppressing occurrence of a problem caused by misalignment of the feeding speed at the time of delivery and receipt in the intermediate feeding roller with a simple configuration witho... | 05/13/2008 |
| 7357390 | Devices for aligning sheets and a method for aligning sheets transversal to the direction of travel of the sheets A device is provided for use in the alignment of sheets transverse to a direction of sheet travel. A sheet retaining device, which conveys the sheets, is displaceably mounted for holding the sheets against a side guide. At least two sheets are situated one above the... | 04/15/2008 |
| 7357584 | Sheet transport device Disclosed is a sheet transport device having: a registration roller to transport a sheet after correcting a skew of the sheet; a drive source to drive the registration roller; a frame body; and a rotation resisting body which is connected to the registration roller ... | 04/15/2008 |
| 7344135 | Sheet-material carrying device A downstream edge of a first guide plate has a convex shape in a carrying direction such that a width thereof gradually reduces from both lateral sides toward the center. A central portion of the downstream edge is formed with a protrusion, a width of which becomes ... | 03/18/2008 |
| 7328899 | Device for guiding sheets An apparatus for fixing a sheet on the surface of an electrically conductive cylinder of a printing machine for processing sheets, in particular, a sheet-fed offset printing machine. The apparatus includes an electrode that extends over the width of the cylinder for... | 02/12/2008 |
| 7319842 | Pivotal sheet conveying apparatus for skew correction and image forming apparatus To provide a sheet conveying apparatus capable of enhancing an accuracy of correcting a skew of a sheet, and of preventing position shift of a sheet. The present invention provides a sheet conveying apparatus for conveying a sheet by a sheet conveying unit disposed ... | 01/15/2008 |
| 7305208 | Image heating apparatus with discharge occurring between a charge eliminating member and a pressure roller The image heating apparatus for heating a toner image formed on a recording material, includes a rotatable member, a pressure roller which contacts with the rotatable member, wherein the recording material is heated while being conveyed by a nip portion between the ... | 12/04/2007 |
| 7300046 | Sheet processing apparatus and image forming apparatus having the same A sheet processing apparatus including a first sheet stacking portion for stacking sheets thereon, a second sheet stacking portion provided downstream of the first sheet stacking portion with respect to a sheet conveying direction, a sheet holding device for holding... | 11/27/2007 |
| 7275483 | Jam resistant printer bezel An anti-jam bezel is provided for dispensing a flexible substrate from an output slot. A guideway is provided for receiving the flexible substrate from a transport and guiding the flexible substrate into the output slot. The guideway may extend from the output slot ... | 10/02/2007 |
| 7255342 | Anti-skew device for mail processing machine In a mail processing machine comprising a reception plate for receiving, in the form of a stack of items, the mail items to be printed, a jogging means for jogging this stack of items against a reference wall, a selection means for extracting the mail items to be pr... | 08/14/2007 |
| 7243917 | Print media registration using active tracking of idler rotation More accurately correcting sheet position and skew in a desired print media sheet trajectory in a printer paper path, with a registration system including sheet drive nips defined by laterally spaced and differentially driven elastomer surfaced frictional sheet driv... | 07/17/2007 |
| 7222848 | Method and device to control the alignment of a media sheet in an image forming device A device and method for aligning a media sheet moving along a media path. An amount of skew that will occur as the media sheet moves along the media path is determined based on one or more physical characteristics. Previous testing of the device indicates that media... | 05/29/2007 |
| 7201369 | Vertical justification system A device and system for registering or justifying product such as mail pieces in a vertical position for future processing of such mail pieces. The system includes a mounting block having an angled bore and a driven alignment mechanism mounted within the angled bore... | 04/10/2007 |
| 7178914 | Media pre-feed in intermittent printer A printer (1) in which a first sheet (5) to be imaged by printhead (3) is followed by a trailing media sheet. The first sheet is stopped intermittently so that the printhead can traverse the first sheet to print a partial image. The trailing med... | 02/20/2007 |
| 7174123 | Rigid agitator and shaft assembly A toner cartridge includes a waste bin and hopper designed with a rigid agitator assembly. A non-yieldable agitator is mounted on a shaft whereby the rotation of the shaft results in the synchronous rotation of the agitator. As the shaft rotates, the agitator enters... | 02/06/2007 |
| 7128318 | Sheet registration deskew improvement system with a centrally pivotal baffle Sheet registration with improved sheet deskewing of print media sheets may be provided with an intermediately transversely pivotal baffle member overlying and engaging at least part of a buckled sheet being edge registered so that the effective buckle chamber size a... | 10/31/2006 |
| 7121545 | Independently activatable side pull for lateral alignment of a sheet A device and a method for lateral alignment of a sheet (5, 6) in a sheet processing machine, in which the sheet (5, 6) is movable essentially across its direction of transport (7) into an alignment position (4); a side pull lay device is ... | 10/17/2006 |
| 7121200 | Roller parallelism adjustment structure A roller parallelism adjustment structure is provided for, a roller feeder having, a transfer roller and an impression roller. The transfer and impression rollers are located between the first end and the second end of the roller feed for transferring a material fro... | 10/17/2006 |
| 7104714 | Printer A printer includes a transporting block, a printing block, a positioning block, and an intermediate picking-up device. The positioning block is disposed between the transporting block and the printing block, and positions printing sheets transported by the transport... | 09/12/2006 |
| 7104510 | Removable balancing assembly for rotating cylindrical structures The present invention provides an apparatus and a method for compensating for small variations in balance and alignment when supporting and rotating a massive cylindrical drum. The apparatus comprises a self-aligning flange having projections spaced 90° apart about... | 09/12/2006 |
| 7092659 | Discharge methods and systems in electrophotography Latent charge images are provided on a photoconductor element having a photoconductive layer with a conductive stripe. This process is performed by charging the photoconductive layer with a charge having a particular vector to form a uniform charge on the photocondu... | 08/15/2006 |
| 7075262 | Print control system, print control method, and recording medium having recorded print control program A print control system according to the present invention comprises: a paper rear edge holding/driving control part for driving and controlling a paper feed motor so that the rear edge of a paper, which is fed by the paper feed motor, is held in a predetermined hold... | 07/11/2006 |
| 7063318 | Sheet deskew system and method Systems and methods for deskewing a substrate with at least one of a first substrate supplying member and second substrate supplying member that supplies substrates to a chamber that receives the sheet supplied from both the first substrate supplying member and the ... | 06/20/2006 |
| 7059595 | Method and apparatus for controlling feeding of sheets A method and system for correcting the skew in mail-related items, which are caused to move by a driving mechanism in the mailing machine. The driving mechanism comprises at least two driving belts to drive the mail-related items by friction. A plurality of openings... | 06/13/2006 |
| 7014184 | Systems, devices, and methods for feeding sheet material to a disk separator Systems, methods, and devices for preventing the misalignment of sheet material in hoppers adapted to feed sheet material to disk separators are disclosed. In one aspect, a floating backguide is provided. The floating backguide moves independently of the hopper with... | 03/21/2006 |
| 7011305 | Device and method for aligning sheets A device for aligning sheets prior to transferring the sheets to a sheet-processing machine includes at least one sheet-gripping device by the aid of which the sheet to be aligned is displaceable, the sheet-gripping device having at least one positioning table displ... | 03/14/2006 |
| 7000917 | Sheet-guiding device in a sheet-processing machine A sheet-guiding device in a sheet-processing machine, in particular a sheet-fed rotary printing press, includes gripper devices disposed on revolving components of the sheet-processing machine for guiding the sheets to be printed on an air cushion formed by blast ai... | 02/21/2006 |
| 6988844 | Printer A printer includes a transporting block, a printing block, a positioning block, and an intermediate picking-up device. The positioning block is disposed between the transporting block and the printing block, and positions printing sheets transported by the transport... | 01/24/2006 |
| 6984085 | Printer A printer includes a transporting block, a printing block, a positioning block, and an intermediate picking-up device. The positioning block is disposed between the transporting block and the printing block, and positions printing sheets transported by the transport... | 01/10/2006 |
| 6980766 | Image forming device In a laser printer capable of printing on both sides of a sheet, alignment or skew of the sheet is corrected with register rollers before printing is performed first on a side of the sheet. The sheet with an image having been formed by a process unit is fed to a re-... | 12/27/2005 |
