...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 8442418 | Image forming apparatus having door to access jammed sheets An image forming apparatus includes a conveyance unit configured to convey a sheet, a first door that can make the conveyance unit accessible, a rotation shaft configured to rotatably support the first door, and a second door which is provided to the first door in a... | 05/14/2013 |
| 8320798 | Sheet conveying device and image forming apparatus A conveying device conveys a sheet of non-blank recording medium recorded with an image formed in an image forming unit, and includes a container that is detachable and contains a sheet of blank recording medium, a feeding unit that feeds the blank recording medium ... | 11/27/2012 |
| 8315539 | Image forming device including outer cover and jam cover linked to the outer cover An image forming device includes a casing formed with an opening, a pivot member pivotably disposed in the casing so as to be selectively opened and closed, a cover disposed outward of the pivot member, a lock mechanism that maintains a closed state of the pivot mem... | 11/20/2012 |
| 8306458 | Image forming device including regulation member that regulates movement of flapper when rear cover is open An image forming device includes a heat member and a pressure member in pressed contact with the heat member, forming a nip part therebetween. A cover member of a main casing is movable between a first closed position for covering the heat member and a first open po... | 11/06/2012 |
| 8270875 | Image forming apparatus An image forming apparatus includes a toner image carrying member, an image transfer device, a fixing device, a registration unit, a guide member, an upstream-side transportation unit, and a downstream-side transportation unit. The image transfer device transfers a ... | 09/18/2012 |
| 8204406 | Image forming apparatus An image forming apparatus includes a housing having an opening, a cover portion that can be disposed so as to cover the opening, a first connecting portion that connects the cover portion with the housing so that the cover portion is pivotable about a first pivotal... | 06/19/2012 |
| 8185016 | Image forming apparatus An image forming apparatus includes: a main body; an image forming unit including a plurality of photosensitive drums on which electrostatic latent images are formed, respectively; a sheet storing unit detachably attached to the main body and configured to store a r... | 05/22/2012 |
| 8175495 | Position regulation member and transport apparatus A position regulation member, provided in one of a base unit and a removable unit that is attached to the base unit in a removable state, that positions the removable unit relative to the base unit, the positions regulation member including a position regulation arm... | 05/08/2012 |
| 8121522 | Transfer apparatus and image forming apparatus including the same A transfer apparatus of the invention includes a primary transfer unit, and a secondary transfer unit that includes a transfer roller having a bearing and being capable of contacting with and separating from the primary transfer unit, the primary transfer unit inclu... | 02/21/2012 |
| 8045888 | Sheet conveying device and image forming apparatus A conveying device conveys a sheet of non-blank recording medium recorded with an image formed in an image forming unit, and includes a container that is detachable and contains a sheet of blank recording medium, a feeding unit that feeds the blank recording medium ... | 10/25/2011 |
| 7979002 | Sheet processing apparatus A sheet processing apparatus includes an opening/closing member which is turnably supported by an apparatus body and through which a user accesses the apparatus, and a conveying guide which is movably supported by a user access door and which includes a sheet convey... | 07/12/2011 |
| 7957674 | Image forming device whose upper cover is provided with discharge roller and pinch roller In order to facilitate removal of jammed sheets in an image forming device placed at a low place, there is provided an image forming device including a main body formed with an upper opening; an image forming unit that forms images on recording medium, and an upper ... | 06/07/2011 |
| 7920809 | Sheet feeding device, and image recording apparatus with the sheet feeding device A sheet feeding device includes an inner guide member and an outer guide member that define a sheet feeding path therebetween. The sheet feeding device also includes an engaging member positioned adjacent to one of the inner guide member and the outer guide member, ... | 04/05/2011 |
| 7917062 | Image forming apparatus with easily operable inner and outer covers for accessing a jam An image forming apparatus is provided with an apparatus main body, a cover member openably and closably mounted on the apparatus main body, and an engaging portion. The cover member includes an outer cover and an inner cover which are independently opened and close... | 03/29/2011 |
| 7817939 | Image heating device When removing a sheet that is undesirably attached to a pressure belt as a result of a jam, if the sheet is pulled in the width direction of the pressure belt, the pressure belt may undesirably move in the width direction. This will make it difficult to perform a su... | 10/19/2010 |
| 7809308 | Sheet conveying apparatus and image forming apparatus An apparatus of the present invention includes a first guide supported by a cover body in such a manner that the first guide can swing around a hinge with respect to the main body of the apparatus and a second guide provided on the apparatus main body. The first gui... | 10/05/2010 |
| 7792461 | Unit drawing mechanism and image recorder A unit drawing mechanism according to the present invention includes a drawing unit, a lever, a fixture, a preventer, a linkage, and a lever holder. The drawing unit can move along a movement path between a retracted position in an apparatus and an exposed position ... | 09/07/2010 |
| 7747196 | Image forming apparatus with an open-close cover An image forming apparatus includes: an image forming apparatus main body that includes an image forming unit and a sheet conveyance unit; a unit that is at least a part of the image forming unit or the sheet conveyance unit and is openably/closably provided with re... | 06/29/2010 |
| 7720414 | Fixing apparatus having guide member In one embodiment, the fixing apparatus of the present invention is a fixing apparatus in which while recording paper is transported sandwiched between a heating roller and a pressure roller that are pressed against each other, the recording paper is guided by a gui... | 05/18/2010 |
| 7715757 | Pullout unit and image forming device A pullout unit including a pullout component that is provided at a main body of a device so as to be able to be pulled out from the main body of the device, and that faces a conveying route surface of the main body of the device to form a conveying route on which an... | 05/11/2010 |
| 7702255 | Opening/closing mechanism, image forming apparatus and gear mechanism A gear mechanism comprises a first gear which has a portion with no teeth and rotates, a second gear which engages the first gear and a cam mechanism which includes a cam portion provided on one gear of the first gear and the second gear and a cam contact portion pr... | 04/20/2010 |
| 7684731 | Image forming apparatus with hinge holes and spring An image forming apparatus is described as including a door member for opening and closing an opening provided in a main body member; a hinge mechanism; and a lock mechanism. The hinge mechanism may include a first hinge hole and a second hinge hole which are provid... | 03/23/2010 |
| 7653328 | Image forming device capable of closing door with high accuracy An image forming device includes a main body and a door. The main body is provided with first and second contacting parts and an abutting surface. When the door is closed, the first and second contacting parts contact a door frame of the door, thereby determining th... | 01/26/2010 |
| 7634214 | Sheet conveyance apparatus, sheet processing apparatus, and image forming apparatus A presser member which abuts on a sheet which passes through a sheet conveyance path, and rotates toward a sheet conveyance direction while being pressed by the sheet is provided rotatably in the sheet conveyance path where the sheet conveyed to a sheet stack portio... | 12/15/2009 |
| 7596341 | Image forming apparatus with vertically arranged process units An image forming apparatus, includes: a mainframe having an opening portion; an electrostatic latent image carrier being loadable in and unloadable from the mainframe through the opening portion; a transport path; a first opening and closing member provided openably... | 09/29/2009 |
| 7583913 | Recording medium conveying unit and image forming apparatus having recording medium reversing unit A pair of resist rollers, a transferring device, a fixing device, a recording medium discharging device, and a recording medium reversing device are integrated into a recording medium conveying unit. The recording medium conveying unit can be drawn out of a main uni... | 09/01/2009 |
| 7558505 | Image forming apparatus and method of sensing printing medium jam therein An image forming apparatus and a method of sensing a printing medium jam in the image forming apparatus. The image forming apparatus includes a developing unit, a transfer unit, a fixing unit, a feed-out unit, a lower cover to come in contact with a printing medium ... | 07/07/2009 |
| 7555240 | Cover members for an image forming apparatus An image forming apparatus is provided that easily allows for removal of paper jams, reduces space for disposing a locking means of a cover, and saves production costs relative to the locking means of a cover. The image forming apparatus forms an image on a printing... | 06/30/2009 |
| 7546065 | Sheet feeding apparatus and image forming apparatus with sheet separating unit A sheet feeding apparatus includes: a body; a tray unit on which a plurality of sheets are mounted, the tray unit being provided in the body; a separating unit that separates the plurality of sheets by blowing air toward the plurality of sheets mounted on the tray u... | 06/09/2009 |
| 7536133 | Image forming apparatus for duplex printing An image forming apparatus to perform duplex printing, including a duplex printing unit selectively detached and mounted with respect to a main body thereof, a pivotable duplex printing unit cover to form a document circulation path for a recording medium, a pivotab... | 05/19/2009 |
| 7529506 | Image forming apparatus An image forming apparatus includes: an apparatus main body that is provided with an image forming section that forms image on a sheet; a first guide member that guides the sheet along a sheet conveying path and is configured to be displaceable relative to the appar... | 05/05/2009 |
| 7519313 | Paper jam removing structure for image forming apparatus A paper jam removing structure for an image forming apparatus is provided. The image forming apparatus includes at least one roller located in the image forming apparatus on a paper feeding path that feeds paper. A reflection mirror is located such that the roller a... | 04/14/2009 |
| 7515850 | Sheet conveying apparatus and image forming apparatus A pressure lever includes an oscillating edge that is capable of contacting a supporting shaft of a pressure roller. An oscillating lever includes a plurality of oscillating edges around a fixed edge. An elastic unit is latched between the fixed edge of the oscillat... | 04/07/2009 |
| 7515849 | Image forming apparatus with a swing-door that moves away from a sheet conveyance path during opening of the swing-door In an image forming apparatus (10), one (wall surface (201)) of facing wall surfaces of an inverting conveyance path (R3) for turning a sheet (P), which had a toner image formed after an image forming operation in an image forming unit (13 | 04/07/2009 |
| 7505714 | Image forming device In an image forming device comprising an image forming part forming an image on a recording sheet, a sheet ejection part provided above the image forming part and stacking the recording sheet on which the image is formed by the image forming part, and an image readi... | 03/17/2009 |
| 7496317 | Image-forming device facilitating resolution of paper jam A feeding unit is disposed near the lower edge of an access opening formed in a front cover of a main casing. The feeding unit includes a pair of registration rollers and a pair of guide parts. One of the registration rollers and one of the guide parts are retained ... | 02/24/2009 |
| 7463848 | Image forming apparatus having a state in which a conveying roller is pressed toward a recording medium An image forming apparatus including an image forming unit which forms an image on a recording sheet, a casing which houses the image forming unit and holds the image forming unit, a conveying roller which contacts the recording sheet to be conveyed in the casing, c... | 12/09/2008 |
| 7460814 | Image device having an opening/closing cover To handle a paper jam, an opening/closing cover 21 is swiveled a predetermined angle around a pivoting shaft 16a, with the opening/closing cover 21 and a paper transport guide member 22a in an unlocked state, to open the ope... | 12/02/2008 |
| 7454159 | Jam clearance release mechanism for printer guides A magnetic latch for removably latching a first member to a second member includes a magnet emitting a magnetic field carried by the first member and a magnetically attractive catch plate carried by the second member. A release mechanism is provided for moving the m... | 11/18/2008 |
| 7450884 | Image forming apparatus having printing medium feeding unit An image forming apparatus having a printing medium feeding unit is provided. The image forming apparatus includes a driving roller and an idle roller which engage with each other and which feed a printing medium, an elastic member which elastically biases the drivi... | 11/11/2008 |