Patent application number | Description | Published |
20080230979 | Sheet Feder - A sheet feeder comprising: a cassette; a feed roller; a sloping separation plate provided on a downstream side of the cassette in a sheet feeding direction; and a separation member that includes a first separation claw and second separation claw, the first separation claw being closer a bottom surface of the cassette than the second separation claw, the separation member and the feed roller cooperating with each other to separate and feed the sheets, sheet by sheet; wherein the sloping separation plate has openings so as to allow distal projecting portions of the first separation claw and second separation claw to project through the sloping separation plate, respectively, and wherein, a first angle formed between the distal projecting portion of the first separation claw and the sloping separation plate is larger than a second angle formed between the distal projecting portion of the second separation claw and the sloping separation plate. | 09-25-2008 |
20080239046 | IMAGE RECORDING DEVICES - An image recording device includes a conveying roller which extends in an axial direction, and a guide member which extends in the axial direction and is configured to guide a recording medium toward the conveying roller. The guide member includes a first end portion, a second end portion, and a middle portion positioned between the first end portion and the second end portion in the axial direction. The device also includes a supporting member which extends in the axial direction and is separated from the conveying roller by a predetermined distance. Moreover, the first end portion and the second end portion are in a fixed position with respect to the conveying roller, and the middle portion is in a fixed position with respect to the supporting member. | 10-02-2008 |
20090003906 | IMAGE FORMING APPARATUS - An image forming apparatus and a sheet cassette are provided. The image forming apparatus includes a first tray that accommodates sheets; a first transfer path; a forming unit; an arm that can be pivoted; a roller that is rotatably provided at a leading end of the arm and feeds the sheets; a second tray that is provided on the first tray to form a two-stage structure, and can slide in a direction in which the second tray comes into contact with or is separated from the arm; and a cleaning member that is provided on the second tray and cleans the roller. The arm changes posture between a first posture in which the roller is supported upward by the first tray and a second posture in which the roller comes into pressure contact with the cleaning member. | 01-01-2009 |
20090033024 | SHEET CONVEYING DEVICES AND IMAGE RECORDING APPARATUSES INCLUDING THE SAME - A sheet conveying device includes a tray having a bottom surface. The tray holds at least one sheet therein, and has a recess formed in the bottom surface. A rotating member moves between a first position and a second position. In the first position, the rotating member contacts a sheet held in the tray, and in the second position, the rotating member is separated from the tray. The rotating member selectively rotates to convey a sheet held in the tray in a when the rotating member is in the first position. An operative portion moves in and out of the recess in the bottom surface of the tray, and movement of the operative portion corresponds to a movement of the rotating member into the second position. | 02-05-2009 |
20090166954 | SHEET FEED DEVICES AND IMAGE RECORDING APPARATUS COMPRISING SUCH SHEET FEED DEVICES - The invention describes a sheet feed device having a sheet tray having a bottom plate defining a first portion of a storing portion that receives sheets therein, a feed roller, a separation plate, and a recessed portion formed in the separation surface. The feed roller moves to contact a sheet of the sheets, and to feed the sheet. The separation plate is disposed at a downstream end of the sheet tray and extends in a width direction. The separation plate has a separation surface which is inclined with respect to the bottom plate of the sheet tray, and defines at least a second portion of the storing portion. The recessed portion is formed in the separation surface and extends toward a downstream end of the separation surface. The separation plate is configured to separate the sheet from the sheets as the feed roller feeds the sheet. | 07-02-2009 |
20090194931 | SHEET FEEDING DEVICES AND IMAGE RECORDING APPARATUS INCLUDING THE SAME - A sheet feeding device having a first sheet feeding path and a second sheet feeding path through which a sheet is configured to be fed. A first sheet-guiding member is disposed between the first sheet feeding path and the second sheet feeding path. The first sheet-guiding member is configured to move between a first position and a second position. A second sheet-guiding member is disposed opposite the first sheet feeding path. The second sheet-guiding member is configured to move between a third position and a fourth position. A connecting member is configured to selectively couple the first sheet-guiding member to the second sheet-guiding member. | 08-06-2009 |
20090243184 | SHEET FEED DEVICES AND IMAGE RECORDING APPARATUS COMPRISING SUCH SHEET FEED DEVICES - A sheet feed device has a tray with holding surface for holding sheets, a feed unit for feeding sheets from the tray, and a separation plate. The separation plate has an inclined surface and two or more separation portions that separate a sheet from the sheets held in the tray. At least one of the separation portions projects a first distance from the inclined surface. The separation plate also has a projection positioned on the inclined surface that projects a second distance from the inclined surface. The second distance is greater than the first distance. A first of the separation portions is positioned upstream of the particular projection in the sheet feed direction, and a second of the separation portions positioned downstream of the particular projection in the sheet feed direction. | 10-01-2009 |
20100059924 | SHEET FEED DEVICE AND IMAGE RECORDING APPARATUS HAVING SUCH SHEET FEED DEVICE - A sheet feed device includes a first sheet cassette having an accommodating portion accommodating a first plurality of sheets and a second sheet cassette, disposed on the first sheet cassette, accommodating a second plurality of sheets. The sheet feed device also includes a sheet feeder configured to selectively feed the first plurality of sheets and the second plurality of sheets toward a sheet feed path, and a sheet separator configured to separate, one by one, the sheets fed by the sheet feeder. Specifically, the second sheet cassette is configured to move above the accommodating portion and with respect to the sheet feeder between a sheet feed position in which the sheet feeder contacts sheets accommodated in the second sheet feed cassette to a non-sheet feed position in which the second sheet feed cassette prevents the sheet feeder from contacting sheets accommodated in the second sheet feed cassette. | 03-11-2010 |
20100078872 | 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, and a receiving portion positioned at the other one of the inner guide member and the outer guide member. The engaging member moves between an engaged position to engage the receiving portion and a disengaged position to disengage from the receiving portion. The inner guide member is selectively connected to the outer guide member via the engaging member and the receiving portion. When the engaging member contacts the sheet in the sheet feeding path, the engaging member is in the disengaged position, and when the engaging member is separated from the sheet in the sheet feeding path, the engaging member is in the engaged position. | 04-01-2010 |
20110221122 | SHEET FEED DEVICES AND IMAGE RECORDING APPARATUS COMPRISING SUCH SHEET FEED DEVICES - A sheet feed device has a tray with holding surface for holding sheets, a feed unit for feeding sheets from the tray, and a separation plate. The separation plate has an inclined surface and two or more separation portions that separate a sheet from the sheets held in the tray. At least one of the separation portions projects a first distance from the inclined surface. The separation plate also has a projection positioned on the inclined surface that projects a second distance from the inclined surface. The second distance is greater than the first distance. A first of the separation portions is positioned upstream of the particular projection in the sheet feed direction, and a second of the separation portions positioned downstream of the particular projection in the sheet feed direction. | 09-15-2011 |
20110240668 | OPENING AND CLOSING APPARATUS - The opening and closing apparatus includes a lower unit case, an upper unit case, a hinge, a lower guide member, an upper guide member and an opening/closing linking unit. The upper unit case is configured to open and close with respect to the lower unit case. The lower guide member is disposed in the lower unit case, and the upper guide member is disposed in the upper unit case. The opening/closing linking unit includes a first rotating member, a second rotating member and a linking portion. As the upper unit case is closed, the opening/closing linking unit moves from the base end side toward the distal end side along the upper guide member and the lower guide member. | 10-06-2011 |
20110241511 | OPENING AND CLOSING APPARATUS - The opening and closing apparatus includes a lower unit case, an upper unit case, a hinge, a lower guide member, an upper guide member and an opening/closing linking unit. The upper unit case is configured to open and close with respect to the lower unit case. The lower guide member is disposed in the lower unit case, and the upper guide member is disposed in the upper unit case. The opening/closing linking unit includes a first rotating member, a second rotating member and a linking portion. As the upper unit case is closed, the opening/closing linking unit moves from the base end side toward the distal end side along the upper guide member and the lower guide member. | 10-06-2011 |
20110243608 | OPENING/CLOSING DEVICE FOR UPPER UNIT CASE, AND IMAGE RECORDING APPARATUS PROVIDED WITH THE SAME - There is provided an opening/closing device for an upper unit case, including a pair of guide members formed of lower and upper guide members provided on lower and upper unit cases respectively, at least one of the lower and upper guide member being configured to be swingable in an up and down direction; a movable body which is connected movably to the lower and upper guide members and which has a rotary body installed in the movable body while being fitted rollably with respect to the lower and lower guide members; and a regulating mechanism which regulates swinging amount in the up and down direction of the at least one guide member configured to be swingable in the up and down direction. | 10-06-2011 |
20110267414 | SHEET-SUPPLY TRAY - An image recording apparatus, including a sheet-supply tray device which accommodates and holds a plurality of recording sheets and which supplies the recording sheets, one by one, in a sheet-supply direction; and an image recording device which records an image on each of the recording sheets supplied from the sheet-supply tray device. The sheet-supply tray device includes a first tray which accommodates and holds at least one first sheet of the plurality of recording sheets; a second tray which accommodates and holds at least one second sheet of the plurality of recording sheets, and which selectively takes a stacked posture thereof in which the second tray is stacked on the first tray, and an opening posture thereof in which at least a portion of the second tray opens at least a portion of the first tray; and a supporting device which supports at least a portion of the second tray while permitting the second tray to selectively take the stacked posture thereof and the opening posture thereof such that the at least one second sheet held by the second tray is not plastically deformed. | 11-03-2011 |
20110285074 | SHEET FEED DEVICE AND IMAGE RECORDING APPARATUS HAVING SUCH SHEET FEED DEVICE - An image recording apparatus including a first tray having a first holding portion for holding sheets, a second tray disposed above the first tray and including a second holding portion for holding sheets, a sheet feeder that selectively feeds a sheet from one of the first tray and the second tray in a sheet feed direction, a recording unit that records an image on the sheet fed by the sheet feeder, and a discharge roller that discharges the sheet on which the image is recorded by the recording unit. The second holding portion of the second tray moves above the first holding portion of the first tray. The second tray further includes a discharged sheet receiving portion for receiving the sheet discharged by the discharge roller. The second tray including the discharged sheet receiving portion pivots relative to the first tray. | 11-24-2011 |
20110291350 | SHEET SUPPLYING APPARATUS AND SHEET-SUPPLY TRAY - A sheet supplying apparatus, comprising a housing; and a sheet-supply tray which supports a plurality of sheets and which is insertable into the housing. The sheet-supply tray includes at least one first engageable portion. The housing includes at least one second engageable portion which is engaged, in a state in which the sheet-supply tray is inserted in the housing, with the at least one first engageable portion of the sheet-supply tray. The sheet-supply tray further includes a guide portion having an inclined guide surface which guides a movement of each of the sheets supplied from the sheet-supply tray, and at least a portion of the at least one first engageable portion is provided in a rear space located in rear of the guide portion. | 12-01-2011 |
20120080834 | SHEET FEED DEVICE AND IMAGE RECORDING APPARATUS HAVING SUCH SHEET FEED DEVICE - An image recording apparatus including a first tray having a first holding portion for holding sheets, a second tray disposed above the first tray and including a second holding portion for holding sheets, a sheet feeder that selectively feeds a sheet from one of the first tray and the second tray in a sheet feed direction, a recording unit that records an image on the sheet fed by the sheet feeder, and a discharge roller that discharges the sheet on which the image is recorded by the recording unit. The second holding portion of the second tray moves above the first holding portion of the first tray. The second tray further includes a discharged sheet receiving portion for receiving the sheet discharged by the discharge roller. The second tray including the discharged sheet receiving portion pivots relative to the first tray. | 04-05-2012 |
20120217694 | SHEET FEED DEVICE AND IMAGE RECORDING APPARATUS HAVING SUCH SHEET FEED DEVICE - An image recording apparatus including a first tray having a first holding portion for holding sheets, a second tray disposed above the first tray and including a second holding portion for holding sheets, a sheet feeder that selectively feeds a sheet from one of the first tray and the second tray in a sheet feed direction, a recording unit that records an image on the sheet fed by the sheet feeder, and a discharge roller that discharges the sheet on which the image is recorded by the recording unit. The second holding portion of the second tray moves above the first holding portion of the first tray. The second tray further includes a discharged sheet receiving portion for receiving the sheet discharged by the discharge roller. The second tray including the discharged sheet receiving portion pivots relative to the first tray. | 08-30-2012 |
20120326383 | SHEET FEED DEVICES AND IMAGE RECORDING APPARATUS COMPRISING SUCH SHEET FEED DEVICES - A sheet feed device has a tray with holding surface for holding sheets, a feed unit for feeding sheets from the tray, and a separation plate. The separation plate has an inclined surface and two or more separation portions that separate a sheet from the sheets held in the tray. At least one of the separation portions projects a first distance from the inclined surface. The separation plate also has a projection positioned on the inclined surface that projects a second distance from the inclined surface. The second distance is greater than the first distance. A first of the separation portions is positioned upstream of the particular projection in the sheet feed direction, and a second of the separation portions positioned downstream of the particular projection in the sheet feed direction. | 12-27-2012 |
20130134649 | SHEET FEED DEVICE AND IMAGE RECORDING APPARATUS HAVING SUCH SHEET FEED DEVICE - An image recording apparatus including a first tray having a first holding portion for holding sheets, a second tray disposed above the first tray and including a second holding portion for holding sheets, a sheet feeder that selectively feeds a sheet from one of the first tray and the second tray in a sheet feed direction, a recording unit that records an image on the sheet fed by the sheet feeder, and a discharge roller that discharges the sheet on which the image is recorded by the recording unit. The second holding portion of the second tray moves above the first holding portion of the first tray. The second tray further includes a discharged sheet receiving portion for receiving the sheet discharged by the discharge roller. The second tray including the discharged sheet receiving portion pivots relative to the first tray. | 05-30-2013 |
20140092163 | IMAGE RECORDING APPARATUS - This image recording apparatus comprises: a sheet accommodation portion configured to accommodate a sheet therein; a conveyance mechanism configured to convey the sheet along a conveyance direction from the sheet accommodation portion; a recording unit configured to record an image onto the sheet conveyed by the conveyance mechanism; a housing accommodating the conveyance mechanism and the recording unit and having therein open space that opens toward an outside of the image recording apparatus while holding the sheet accommodation portion; and a speaker disposed inside the housing and configured to output sound to the open space. | 04-03-2014 |
20140191462 | SHEET FEED DEVICES AND IMAGE RECORDING APPARATUS COMPRISING SUCH SHEET FEED DEVICES - A sheet feed device has a tray with holding surface for holding sheets, a feed unit for feeding sheets from the tray, and a separation plate. The separation plate has an inclined surface and two or more separation portions that separate a sheet from the sheets held in the tray. At least one of the separation portions projects a first distance from the inclined surface. The separation plate also has a projection positioned on the inclined surface that projects a second distance from the inclined surface. The second distance is greater than the first distance. A first of the separation portions is positioned upstream of the particular projection in the sheet feed direction, and a second of the separation portions positioned downstream of the particular projection in the sheet feed direction. | 07-10-2014 |
20140203493 | SHEET-SUPPLY TRAY - An image recording apparatus, including a sheet-supply tray device which accommodates and holds a plurality of recording sheets and which supplies the recording sheets, one by one, in a sheet-supply direction; and an image recording device which records an image on each of the recording sheets supplied from the sheet-supply tray device. The sheet-supply tray device includes a first tray which accommodates and holds at least one first sheet of the plurality of recording sheets; a second tray which accommodates and holds at least one second sheet of the plurality of recording sheets, and which selectively takes a stacked posture thereof in which the second tray is stacked on the first tray, and an opening posture thereof in which at least a portion of the second tray opens at least a portion of the first tray; and a supporting device which supports at least a portion of the second tray while permitting the second tray to selectively take the stacked posture thereof and the opening posture thereof such that the at least one second sheet held by the second tray is not plastically deformed. | 07-24-2014 |
20140210154 | SHEET FEED DEVICE AND IMAGE RECORDING APPARATUS HAVING SUCH SHEET FEED DEVICE - An image recording apparatus including a first tray having a first holding portion for holding sheets, a second tray disposed above the first tray and including a second holding portion for holding sheets, a sheet feeder that selectively feeds a sheet from one of the first tray and the second tray in a sheet feed direction, a recording unit that records an image on the sheet fed by the sheet feeder, and a discharge roller that discharges the sheet on which the image is recorded by the recording unit. The second holding portion of the second tray moves above the first holding portion of the first tray. The second tray further includes a discharged sheet receiving portion for receiving the sheet discharged by the discharge roller. The second tray including the discharged sheet receiving portion pivots relative to the first tray. | 07-31-2014 |