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7621529 |
Printing medium feeding device, printing apparatus, and liquid ejecting apparatus
A printing medium feeding device includes: a driving roller having a roller circumferential surface coming in contact with a printing medium to apply a feeding force to the printing medium around a...
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7621528 |
Sheet conveyor, image forming apparatus having sheet conveyor, and sheet conveying method
A sheet conveyor includes a first roller and a second roller pressurized to the first roller to hold and convey a sheet, wherein when the sheet is held between the first roller and the second...
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7607663 |
Recording medium transport device and image forming apparatus
A recording medium transport device has: a transport roller unit that nips a recording medium and transports it to a recording area, the transport roller unit including a transport roller and...
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7597323 |
Paper feeder and image forming apparatus
A paper feeder comprises an acquiring device, a driving roller, driven rollers, a driven roller supporter, a driver, and a controller. The acquiring device acquires thickness information on a sheet...
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7591467 |
Sheet detecting device for image recording apparatus
A sheet detecting device includes a follow roller, an urging member, first and second support members, and a detecting unit. The second support member rotatably supports the follow roller and...
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7568696 |
Item printing system
An item printing system for printing imprints on moving items, comprising: an item transport path through which items are in use transported in a transport direction; an item transport unit for...
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7566183 |
Image forming device comprising means for adjusting a position of a plurality of press rollers
A paper output mechanism includes a supporting frame supporting a rotational shaft on which output rollers are fixed. Pressing rollers are fixed at an intermediate position between the output...
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7559831 |
Belt-driven coin separating apparatus
A coin separating unit of a compact configuration for separating coins of different thicknesses from a bulk supply includes a coin transporting unit such as a rotating belt having a support surface...
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7559550 |
Paper-discharging apparatus used with an image-forming device
A paper-discharging apparatus used with an image-forming device provided with one or more paper-discharging rollers and one or more idle rollers includes a supporting plate installed in the...
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7552926 |
Sheet transportation device and printer comprising a device of this kind
A sheet transportation device includes a transportation roller driven during operation, a guiding element and an actuation device that is used to switchably affect the interspacing between the...
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7548723 |
Paper delivering device and image forming apparatus
A paper delivering device to deliver printing paper, including: a lower frame; an upper frame rotatably coupling with the lower frame by a hinge part and rotating between a driving position in...
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7527264 |
Image recording apparatus having conveying device for conveying recording medium
A conveying device of an image recording apparatus includes a drive roller, a follow roller, an urging member, a bearing member, a pivoting support member, and a driving unit. The urging member...
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7523933 |
Adjustable force driving nip assemblies for sheet handling systems
An adjustable force driving nip assembly for use in a sheet transport system of a document creating apparatus has a plurality of adjustable force driving nips aligned and spaced transversely across...
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7506870 |
Drive nip release apparatus
In embodiments herein one or more cams are operatively connected to corresponding ones of idler rollers within nip drive assemblies. As the cams rotate, the cams move the idler rollers between a...
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7500670 |
Sheet conveying device and image forming apparatus
A spring is bridged between a pair of press levers, and a pair of driven rollers is pressurized uniformly, so that clamping and conveying force of the sheet of paper P on the front side and rear...
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7487967 |
Sheet conveying device and image forming apparatus including the same
A sheet conveying device for an image forming apparatus of the present invention includes a cover hinged to the casing of the apparatus and supporting a roller shaft on which a drive roller is...
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7458577 |
Image recording apparatus
In an image recording apparatus, a feed roller pair including a drive roller and a pinch roller is disposed on an upstream side of a sheet feed direction from an image recording unit. The pinch...
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7455295 |
Nip pressure
Embodiments of example apparatuses and methods for changing nip pressure are described.
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7451975 |
Input tray and drive mechanism using a single motor for an image forming device
A device and method for moving media sheets within an image forming apparatus. The device includes a motor; a pick mechanism operatively connected to the motor, a first gear set having a first...
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7448624 |
Paper feeding device of image forming apparatus and image forming apparatus having the same
Provided is a paper feeding device. The paper feeding device includes an image forming unit, a paper feeding unit to provide a transfer force to a first side and a second side opposite to the first...
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7448623 |
Paper feeding mechanism and image forming apparatus employing the same
A paper feeding mechanism for an image forming apparatus includes a drive roller rotated by a first shaft driven by a motor. A press roller is supported by a second shaft which is parallel to and...
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7445207 |
Sheet conveyance apparatus, sheet processing apparatus, and image forming apparatus
The sheet conveyance apparatus includes a controller which controls a moving unit. The moving unit moves a sheet conveyance unit for conveying a sheet toward a direction intersecting with a sheet...
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7431292 |
Medium conveying apparatus
A medium conveying apparatus has: a conveying roller shaft arranged so as to be movable vertically; a pressing member which presses the conveying roller shaft in plural positions; and an urging...
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7429042 |
Nip roller force adjustment mechanism
An apparatus for conveying a substrate or sheet through a printing machine comprises a drive roller and a baffle assembly forming a path for the substrate past the drive roller. The baffle assembly...
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7427065 |
Printer
A sheet-feeding mechanism of a printer conveys a recording sheet nipped between a first sheet-feeding roller and a first pressing roller towards a thermal head. At the start of a printing...
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7427060 |
Sheet conveying device, image forming apparatus and method for conveying sheet
The sheet paper conveying device comprises: paper supply rollers at least part of which rotate to convey the sheet paper in a prescribed direction; separation rollers that rotate in the direction...
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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...
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7384043 |
Imaging apparatus with sheet transport system employing cam actuating system
An actuator system for use with a sheet transport system having a first roller and a second roller. The actuator system includes an idler assembly and a drive assembly. The idler assembly is...
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7355763 |
Image scanning apparatus, method and business machine using the same
Scanning errors and document feed errors are prevented by pressing originals, including thin originals and thick originals of greatly different thicknesses, to the scanning surface ( 1 a ) of an...
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7325802 |
Aligning device and image forming system including the same
An aligning device in accordance with the present invention is arranged in such a manner that a feed section for feeding a sheet and a release section for releasing a pinching force exerted to the...
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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,...
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7264239 |
Feeding device for feeding recording medium
A feeding device for feeding a recording medium in a feed direction, including: a drive roller having an annular recess; and a driven roller rotatably held and positioned such that a radially outer...
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7252287 |
Curved guide for radiation image reading device
An auxiliary scanning feed mechanism has a pair of curved feed guides for guiding a stimulable phosphor sheet along a curved feed path, and first and second roller pairs rotatable in synchronism...
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7222955 |
Both-side recording apparatus
The recording paper is transported to a paper inversion unit in such a manner that, when recording of a first surface of a recording paper is performed, the recording paper is transported to a...
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7210680 |
Sheet conveying apparatus and image forming apparatus using the same
An image forming apparatus including a sheet conveying apparatus. When a sheet is jammed in a first conveying path, a first unit is pulled out in a direction substantially parallel to a first...
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7200356 |
Discharge roller device
A discharge roller device includes at least one roller pair, at least one first free roller and at least one second free roller. The roller pair includes a driving roller and a pressure roller...
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7195240 |
Sheet processing apparatus and image forming apparatus
A sheet processing apparatus comprising a stack means for stacking sheets to be fed; a feeding path comprising guide members for feeding the sheets to the stack means, disposed facing with each...
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7176955 |
Image recording apparatus and recording-material feeding method
A feeder is provided inside an exposure section of a photographic printer. First and second feed-roller pairs are respectively disposed at an upstream side and a downstream side of an exposing...
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7163348 |
Postage meter for printing near the top edge of an envelope
A mailing machine including a postage meter for printing evidence of postage payment on a media includes a registration surface, a print head, an envelope transport having at least two nips for...
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7147223 |
Sheet conveying device and image forming apparatus including the sheet conveying device
A sheet conveying device includes a drive roller having a shaft, a driven roller having a shaft, a biasing member that rotatably supports one of the drive roller and the driven roller and biases...
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7090215 |
Printer paper path plural nips releasing system
A system for automatically releasing selected plural sheet feeding nip sets spaced along a print media sheet feeding path of a printer, wherein the idler rollers are rotatably mounted on common...
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7080836 |
Sheet feeding apparatus and image reading apparatus equipped with the same
A sheet transport apparatus includes a transport path for transporting a sheet, and drive and follower roller units disposed in the transport path. The drive roller unit has a drive shaft and at...
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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...
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6938894 |
Transport mechanism and method for a mailing machine
A top registration transport mechanism and method for a mailing machine is provided. The transport mechanism includes one or more displaceable rollers that have a diameter larger than the...
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6929261 |
Feed roller mechanism
An apparatus for transporting a sheet comprising: a first roller; a second roller; and an assembly for mounting the second roller for movement between a position spaced from the first roller and a...
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6883798 |
Sheet feeder for media-feed mechanism
A sheet separator. The sheet separator includes a main body, a frictional member, and an elastic member. The main body is rotatable with a slot being longitudinally parallel to the moving direction...
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6877743 |
Accumulation device with pivot roller
This invention relates to a document accumulation device comprising an accumulation receptacle provided with a mobile accumulation guide for receiving a bundle of documents to be folded and drive...
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6857631 |
Printer sheet feeding path idler rollers biased mounting system
A sheet feeding system in which the idler roller shafts are loosely mounted between opposing side walls of a slot for limited movement relative to their mating sheet feeding rollers, and spring...
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6854726 |
Imaging apparatus including a print media feed system configured for reducing printing defects
An imaging apparatus includes a motor including a motor shaft to which a pinion gear is attached, and a feed roller including a shaft. The feed roller is positioned upstream from the print zone in...
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6824132 |
Sheet feeding apparatus and recording apparatus
A sheet material feeding device includes a sheet material stacking means for stacking sheet materials; a feeding roller for feeding the sheet material stacked on the sheet material stacking means;...
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