Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7434928 | Image forming apparatus An image forming apparatus comprises a guide part guiding transportation of a recording medium after recording by a liquid droplet ejection head at a recording position, the guide part carrying plural spurs for holding the medium on which recording has been made at ... | 10/14/2008 |
| 7422320 | Recording medium conveying device with nipping force control A recording medium conveying device that conveys a recording medium to a recording area, includes a pair of first conveyor rollers that are provided upstream of the recording area and convey a recording medium by nipping the recording medium therebetween, a detector... | 09/09/2008 |
| 7367264 | Method and apparatus for treating sheets including a vacuum roller for retaining sheets in curved configuration An apparatus and method for retaining individual sheets of substrate in a curved configuration during coating or printing is disclosed. ... | 05/06/2008 |
| 7354214 | Image forming apparatus having a chassis containing a curved part that supports a roller bearing The image forming apparatus includes a chassis, a feed roller, and a press roller. The chassis includes first and side surfaces, a bottom surface that connects the first and second side surfaces, and a curved part formed unitarily with the bottom surface. The curved... | 04/08/2008 |
| 7352382 | Thermal printer A thermal printer includes an upstream conveying device and a downstream conveying device that are respectively arranged upstream and downstream of a recording device. The upstream conveying device conveys a recording sheet while a first half of a print region that ... | 04/01/2008 |
| 7341338 | Inkjet printer An inkjet printer includes a single transport roller (4), two first driven rollers (A: A1, A2), two first driven rollers (B: B1, B2), and a single first driven roller (C). The rollers (A1, A2, B1, B2, C)... | 03/11/2008 |
| 7334890 | Recording apparatus In second transport means (12), nipping pressure of each of outermost star wheels (6a), (6e) located at opposite ends in the primary scanning direction is set higher than that of each of star wheels (6b) to (6 | 02/26/2008 |
| 7312789 | Input device with extendible body An input device having an extendible body or housing suitable for a hand-held operation. The input device includes a housing assembly including a palm-rest section and a base section opposite to the palm-rest section, a switch mechanism accommodated in the housing a... | 12/25/2007 |
| 7264240 | Document feeder A document feeder includes a housing, a control lever and a sheet pick-up module. The housing includes a feeding path defined by a first sidewall and a second sidewall. The control lever is mounted on the first sidewall, and includes a pivotal part, a collar and a h... | 09/04/2007 |
| 7228092 | Image forming apparatus using a liquid developer including a carrier liquid with toner particles dispersed in a solvent In liquid-developing image formation, a ghost image caused by the contact between a photosensitive member and an absorbing roller to collect a surplus liquid developer is prevented by preventing occurrence of a speed difference (relative speed) between a photosensit... | 06/05/2007 |
| 7223033 | Pinch control in a printer A pinch control apparatus in a printer for controlling a pinch force exerted on a medium which is being fed into a printing zone is provided. The pinch control apparatus includes a camshaft rotatably mounted across a width of the medium, at least one cam attached to... | 05/29/2007 |
| 7172353 | Image forming apparatus An image forming apparatus has a chassis; a print head unit pivotably supported by the chassis; a platen roller rotatably supported by the chassis to perform printing with the print head unit; a metal feed roller rotatably supported by the chassis to convey paper; a... | 02/06/2007 |
| 7063472 | Sheet skew correcting apparatus and image forming apparatus A sheet skew correcting apparatus, incorporated in a printer or the like to correct a phenomenon of obliquely feeding a sheet called skewing. The apparatus includes a transporting path in which the sheet is transported, a pair of registration rollers, a pair of timi... | 06/20/2006 |
| 6978998 | Positioning structure of roller adapted for an auto document feed apparatus A positioning structure of a roller adapted for auto document feed apparatus includes a flexible shaft and a flexible arm. The flexible arm has a first portion integrally formed with the flexible shaft, a second portion arranged into a clamping portion of auto docum... | 12/27/2005 |
| 6837635 | Inkjet apparatus and method for controlling undulation on media An inkjet apparatus includes a media drive means for moving a medium through a print zone of the apparatus, and also includes a carriage, in which a printhead is mounted, for traversing the pint zone in a second direction. The apparatus also includes restraining mea... | 01/04/2005 |
| 6695503 | Print media feed system for an imaging apparatus A print media feed system for advancing a sheet of print media having a leading edge and a trailing edge in a sheet feed direction through a print zone in an imaging apparatus includes a rotating support positioned downstream of an exit roller in relation... | 02/24/2004 |
| 6676317 | Rotor balancing structure, sheet material processing device, and image forming device The drum has a balancer disposed at both ends of a drum body around which a printing plate is wound, and with a rotating shaft rotatably supported by a supporting plate via an elastic support member of a shaft receiving member. When the rotating drum is r... | 01/13/2004 |
| 6623196 | Apparatus for replacing photosensitive belt, method of communicating information concerning photosensitive belt, and printer employing the same An apparatus for replacing a photosensitive belt of a printer, and a method of communicating belt-related information between a belt cartridge and the printer, are disclosed. The apparatus includes a belt cartridge adapted to receive a photosensitive belt... | 09/23/2003 |
| 6435746 | Pinch roller for inkjet printer An apparatus and method for guiding recording media through a printer comprises a roller unit which is coupled to the printer and which comprises a plurality of roller wheels.... | 08/20/2002 |
| 6364554 | Apparatus for feeding media in a printer A print feed mechanism for feeding print media to a printing zone of a printer in which the feed mechanism is adjustable to vary the position of a pinch roller against a drive roller so as to vary the angle at which print media is fed to the printing zone... | 04/02/2002 |
| 6336758 | Printer A printer wherein a drive roller of a pair of sheet discharge rollers is made of rubber and a driven roller of the pair of sheet discharge rollers is made of synthetic resin; the leading end of a sheet is guided so as to be abutted against the drive rolle... | 01/08/2002 |
| 6305860 | Squeezing apparatus of a liquid electrophotographic printer A squeezing apparatus of a liquid electrophotographic printer includes a squeezing roller for squeezing out and removing the carrier from a developer which is applied on a photosensitive belt by its passive-rotational movement while being pressed into tig... | 10/23/2001 |
| 6247861 | Controlling vacuum hold of media in a printer A system for regulating the vacuum hold pressure in a printer based upon the stiffness of the print media that is directed through the printer. In one embodiment, the stiffness of a sheet of media is detected before or as the sheet reaches the carrier. Th... | 06/19/2001 |
| 6206592 | Pinch roller for inkjet printer An apparatus and method for guiding recording media through a printer comprises a roller unit which is coupled to the printer and which comprises a plurality of roller wheels.... | 03/27/2001 |
| 6190070 | Printer with media corrugation at media output A printer for generating an image on a media sheet has a printer body with a media path extending from a media supply in a downstream direction to a media exit. An output tray and a media ejection mechanism are connected to the printer body adjacent the m... | 02/20/2001 |
| 6152442 | Sheet separating and conveying apparatus having friction releasing device to separate convey and friction means The present invention provides a sheet separating and conveying apparatus for separating stacked sheets and for conveying a separated sheet, comprises a sheet convey means for conveying the sheet, a friction means disposed in a confronting relation to the... | 11/28/2000 |
| 6102597 | Feed mechanism for wide format flexible substrates A feed mechanism for wide format flexible substrates includes a generally cylindrical traction roller having a first axis of rotation, a traction surface and having a length measured parallel to the first axis at least equal to the maximum width of substr... | 08/15/2000 |
| 6019526 | Thermal printing apparatus Printing apparatus is disclosed for printing on articles of non-uniform thickness. The printing apparatus includes a thermal transfer print head to print on the article and the article is pressed toward thermal printing elements of the thermal print head ... | 02/01/2000 |
| 5997199 | Paper feeding module of a color picture printer The present invention relates to a paper feeding module of a color picture printer for driving a picture back and forth through a printing module of the printer for printing. The printer comprises a housing. The printing module is installed inside the hou... | 12/07/1999 |
| 5957599 | Sheet transport unit and recorder A recorder comprises, a conveying roller for sending off sheets one by one from stacked sheets of paper; a sheet support biased toward the conveying roller; an feed roller positioned upstream a recording head and downstream the conveying roller; and a spr... | 09/28/1999 |
| 5947615 | Recording apparatus The present invention provides a recording apparatus in which a recording medium is conveyed by a driven rotary member and a convey rotary member urged against the driven rotary member by a biasing means supported by a rockable support member, so that an ... | 09/07/1999 |
| 5938356 | Pinch roller for inkjet printer An apparatus and method for guiding recording media through a printer comprises a pinch roller which is pivotally coupled to the printer. The pinch roller may have a plurality of roller wheels. The degrees of freedom of the pinch roller allows the pinch r... | 08/17/1999 |
| 5913626 | Printer having noise noise reduction structure A printer wherein a drive roller of a pair of sheet discharge rollers is made of rubber and a driven roller of the pair of sheet discharge rollers is made of synthetic resin; the leading end of a sheet is guided so as to be abutted against the drive rolle... | 06/22/1999 |
| 5888000 | Printer with automated means for changing paper clamping pressure In the present invention, the pressure between the paper feed roller and the trailing roller can be changed while preventing possibility of human misoperation and without requiring exclusive motors. The paper support pressure between a paper feed roller a... | 03/30/1999 |
| 5681124 | Printer with displaceable trailing roller This invention provides a printer in which the printer head can be removed easily and reduction of printer size can be realized. This is achieved because a displaceable trailing roller can be moved to a location where it does not interfere with the remova... | 10/28/1997 |
| 5636928 | Thermal transfer card printing device and method A thermal transfer printer for printing images and patterns on a card with thermally transferable color inks while moving the card back and forth in such a state that the card is held and urged against a thermal print head through an ink ribbon by capstan... | 06/10/1997 |
| 5580042 | Sheet conveying apparatus The present invention provides a sheet conveying apparatus comprising a convey roller for conveying a sheet; a plurality of pinch rollers arranged along the convey roller and adapted to urge the sheet against the convey roller; a pinch roller holder forme... | 12/03/1996 |
| 5558451 | Shiftable guide member with rollers in a sheet feeding apparatus The present invention provides a sheet feeding apparatus, comprising a conveying rotary member for conveying a sheet by rotating while contacting the sheet, an urging member for urging the sheet against the conveying rotary member, and a supporting means ... | 09/24/1996 |
| 5482390 | Printer having discharge rollers A printer which is compact, can accurately supply paper and has reduced noise characteristics. Additionally, the printer enables easy correction of paper jams and can be selectively operated in various modes according to the user's preference. The printer... | 01/09/1996 |
| 5441354 | Carriage support system for computer driven printer A carriage support system for a computer driven printer/plotter employs a slider rod and a slider bar mounted parallel to each other on a printer chassis wherein the bar supports the front side of a printer carriage and the rod supports the rear side of t... | 08/15/1995 |