Famous Patents
Pong, the Atari creation that launched the computer game craze, came with these instructions: "Avoid missing ball for high score."
PatentStorm News
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 |
| 7695205 | Driving apparatus and image forming device having the same A driving apparatus includes a driving gear bidirectionally rotatable by a driving source, at least two driven gears selectively driven by the driving gear, at least two swing gears connected to the driving gear to operate in combination with the driving gear and to... | 04/13/2010 |
| 7354212 | Image forming apparatus An image forming apparatus includes a chassis, a motor, a drive transmission gear that receives rotational force from the motor, a feed roller rotatably supported by the chassis, an intermediate gear that has a circular bearing, receives rotational force from the dr... | 04/08/2008 |
| 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 |
| 7317553 | Settings of sub-scan feed error and sub-scan feed amount suitable for printing medium A printing device comprises a feed mechanism configured to advance the printing medium intermittently. The feed mechanism is adjusted so that an average feed error δave is in the vicinity of zero with respect to a most slippery printing medium among plural types of... | 01/08/2008 |
| 7284918 | Recording method, computer-readable medium, and recording apparatus A recording method, for example, which allows a recording medium to be carried with high carrying precision is to be achieved. A recording method includes a step of changing a carry command value, when carrying a recording medium, according to a state of bending of ... | 10/23/2007 |
| 7112000 | Controlling a tape processing apparatus for embossing on a tape to be processed a recognizable braille and for printing ink characters There is provided a method of controlling a tape processing apparatus where braille is embossed at one side in the width direction of a tape with an embossing unit arranged at the one side. The method includes: an embossing-position defining step of defining a brail... | 09/26/2006 |
| 6909447 | Recording apparatus A recording apparatus for recording on a recording sheet by recording means comprises a conveying roller for conveying a recording sheet on the upstream side of recording means in the recording sheet conveying direction, plural discharging rollers for conveying a re... | 06/21/2005 |
| 6851879 | Image-recording device In an image-recording device of the present invention, driving force of a motor for driving is transmitted to two idle gears, which are the same shape and are disposed at positions of linear symmetry with respect to a center line C. Driving force is transmitted by w... | 02/08/2005 |
| 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 |
| 6695505 | Backlash correction device and backlash correction method A backlash correction device of this invention has a motor, a gear transmitting a moving force from the motor to a paper feed base, a spring urging the paper feed base to one of forward and backward movement directions of the paper feed base using an urgi... | 02/24/2004 |
| 6454477 | Sheet transport device and recording apparatus A sheet transport device and a recording apparatus include a transport roller constructed as a unit including a first gear and a protective member both integrally mounted on its rotary shaft, thereby ensuring easy handling, an inexpensive cost, good effic... | 09/24/2002 |
| 6244767 | Image forming apparatus for preventing paper jam during continuous paper returning operation An improved image forming apparatus is provided for performing a printing operation on a series of paper and having a serial paper feeding device and a single sheet feeding device. The apparatus causes no paper jams of the series of paper while returning ... | 06/12/2001 |
| 6155728 | Printer A type printer in which deterioration of a platen is prevented by distributing positions of impacts on the platen by a printing head over the whole region of peripheral surface of a cylindrical platen. The drive shafts of a paper feed roller, platen, and ... | 12/05/2000 |
| 6142690 | Color image forming apparatus with drive power transmission mechanism An image forming apparatus having a plurality of image bearing members disposed parallel along a conveying direction of recording sheet and a drive power transmission mechanism that translates movement of a drive source to synchronized and uniform movemen... | 11/07/2000 |
| 5993095 | Mechanical transmission An apparatus to drive a ribbon carrying a printing medium in an impact printer is implemented. The apparatus accommodates manual tightening of the ribbon by decoupling the drive motor from the ribbon cartridge without use of a clutch mechanism. A gear tra... | 11/30/1999 |
| 5988906 | Integrated duplexer for a laser printer An image forming device includes output rollers disposed for ejecting media out of the image forming device, and a single solenoid activated bi-directional output drive mechanism connected to the output rollers for bi-directionally driving the output roll... | 11/23/1999 |
| 5980132 | Image forming apparatus with means for maintaining constant distance between recording head and recording sheet An image forming apparatus, with an image forming device for forming an image on a sheet, and a position restricting unit being in contact with a surface of the sheet on a side of said image forming apparatus and keeping distance between the sheet and sai... | 11/09/1999 |
| 5956068 | Reversible thermal printer for printing in both directions on a page A forward/backward printing thermal printer which brings a printing paper onto a printing member and performs a printing action in order to form an image. The printer comprises a thermal head which transfers the image onto the paper according to an image ... | 09/21/1999 |
| 5813783 | Conveying device for a recording paper Two intermediate gears are respectively disposed between a driving gear and a driven gear so as to mesh with both thereof. The driving gear is driven by a pulse motor. The driven gear is integrally rotated with a capstan roller. Rotational velocities of t... | 09/29/1998 |
| 5594486 | Sheet convey apparatus The present invention provides a recording apparatus comprising convey means for conveying a sheet in a predetermined convey direction, a pair of rollers arranged downstream of the coney means in the convey direction for conveying the sheet in the convey ... | 01/14/1997 |
| 5529414 | Paper feeding apparatus for printer The present invention provides a paper feeding apparatus for a printer wherein a paper feed roller can be driven to rotate with a high degree of accuracy to achieve feeding of a paper sheet with a very high degree of accuracy. The paper feeding apparatus ... | 06/25/1996 |
| 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 |
| 5459504 | Thermal printer The heat transfer ribbon can be held by a heat transfer ribbon feed roller and a heat transfer ribbon pinch roller and can be fed in the direction opposite to the normal feeding direction for printing and also effectively used even if there appears a larg... | 10/17/1995 |
| 5397191 | Printer having paper feed roller 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... | 03/14/1995 |
| 5308176 | Apparatus for conveying paper in a printer An apparatus for conveying paper in a printer adapted to convey cut-sheet and fan-fold paper bidirectionally in a paper path. The apparatus includes a paper discharging assembly positioned downstream of a print head and at least one paper conveying assemb... | 05/03/1994 |
| 5294204 | Multi-line printer for slips or the like A data printer wherein a slip is dropped in a guide chute and a serially operable print head is moved along the length of the slip to print a line of characters. A line feed device comprises a drive gear meshing with a driven gear carrying a feed roller f... | 03/15/1994 |
| 5241331 | Sheet conveyor apparatus with slip transmission A sheet conveyor apparatus is provided with a first rotator for supplying the feeding force to a sheet in contact with the sheet, a second rotator for supplying the feeding force to the sheet in contact with the sheet and from the opposite side of the she... | 08/31/1993 |
| 5211690 | Transmission clutch and recording apparatus which uses the transmission clutch A recording and reproducing apparatus includes a sheet supply mechanism, a sheet transporting mechanism, an image recording mechanism and a sheet discharging mechanism. The mechanisms are driven by a rotary driver which transmits a driving force through a... | 05/18/1993 |
| 5199806 | Apparatus for feeding individual sheets of paper as well as continuous fan fold paper utilizing a platen A paper feeding apparatus for feeding fanfold paper to a printer is provided. A cylindrical platen is rotatably mounted in the printer. A paper feeding tractor is provided upstream from the platen in a paper feeding direction. A power mechanism drives the... | 04/06/1993 |
| 5169250 | Printer having continuous paper/cut paper changeover apparatus The invention provides an apparatus capable of automatically changing over continuous paper and cut paper, wherein manual changeover is possible even if an actuator is locked in case of an accidental paper jam, to thus facilitate a processing. A platen ge... | 12/08/1992 |
| 5169136 | Automatic paper feeder employing a lost motion mechanism An automatic paper feeder for feeding a sheet of paper from a paper supply bin to a platen of a printer, comprises: a paper feed roller by which an outermost one of the sheets of paper stacked in the paper supply bin is fed toward the platen while being s... | 12/08/1992 |
| 5131771 | Printer employing a continuous paper or a cut paper selectively and being provided with a paper bail A printer comprises a platen roller for supporting and feeding a cut sheet, a first motor for rotating the platen roller and a tractor for feeding a continuous paper. The tractor is capable of being connected to the first motor through the platen roller. ... | 07/21/1992 |
| 5129646 | Recording apparatus having a removable sheet feeder A recording apparatus on which a cut sheet feeder is removably mountable includes an outer case, a feed roller contained in the outer case and rotatable by the power of a drive source, a pinch roller urged against or spaced apart from the feed roller, and... | 07/14/1992 |
| 5011315 | Printer The present invention relates to a printer, and more particularly to a heat transfer printer. The printer comprises: a pair of upper and lower chutes for guiding printed paper; an idle roller provided on the upper chute; a paper discharging motor bracket ... | 04/30/1991 |
| 5009532 | Paper feeding apparatus for accommodating different lengths of recording media for use with a printer A paper feeding apparatus associated with a printer for storing a plurality of individual recording media and for controlling the release of individual recording media from a storage device toward a platen of the printer. A transmission mechanism couples ... | 04/23/1991 |
| 4971468 | Sheet feeding apparatus in a printer A sheet feeding apparatus in a printer is provided with: feeding rollers for holding and feeding a sheet of paper therebetween; and an operation lever for changing the contact pressure of the feeding rollers by attaching or detaching the feeding roller to... | 11/20/1990 |
| 4961657 | Record media drive mechanism for dot matrix printer A rotating and driving mechanism for a record media feed roller adjacent a printing station. The feed roller is supported by the platen assembly and is movable therewith to provide a path for the record media through the printing station. A plate member i... | 10/09/1990 |
| 4930916 | Paper feeder A paper feeder roller wherein a motor transfers a driving force to a deceleration gear train. The deceleration gear train transfers this force to the shaft of a paper feeder roller which is rotated thereto. A plate connected to the paper feeder roller is ... | 06/05/1990 |
| 4913574 | Sheet feeding apparatus in a printer A sheet feeding apparatus in a printer is provided with: feeding rollers for holding and feeding a sheet of paper therebetween; and an operation lever for changing the contact pressure of the feeding rollers by attaching or detaching the feeding roller to... | 04/03/1990 |
| 4905984 | Set transport A set transport including a direction changing device is disclosed which includes a sun roll 76, arcuate guide means 80, 81 around the sun roll 76 and a plurality of spaced planet rolls 77, 78, 79 which coact with the sun roll 76. The planet rolls are dri... | 03/06/1990 |
