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7594650 |
Paper feeding and sheet separating differential device
A paper feeding and sheet separating differential device comprises a rotating shaft, a first roller, a second roller and an insertion pin, in which the first roller is installed on one end of the...
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7594649 |
Paper grabbing assembly
A paper grabbing assembly is provided. The paper grabbing assembly includes: a base with a pivot seat disposed thereon, wherein the shaft is pivotally disposed on the pivot seat; a bearing plate,...
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7584952 |
Sheet feeding assembly
A sheet from the top of a stack of media, and is driven by a reversible electric motor operated in a forward direction to drive a feed roll and nudger roll; and operated in a reverse direction to...
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7581830 |
Image forming apparatus having urging member for urging feeding roller toward recording medium
A supporting member is swingable about an imaginary swing axis that is parallel to an imaginary rotational axis of a feeding roller. The imaginary swing axis is located above a recording medium...
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7530568 |
Double-sided document transport device
In a double-sided document transport device having a document reverse mechanism for suppressing the occurrence of jam and deterioration of read image, after a document is transported to a reading...
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7520500 |
Media separating apparatus and method for automatic media dispenser
The present invention relates to a media separating apparatus and method for an automatic media dispenser. The media separating apparatus of the present invention comprises a pickup roller 24 ...
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7472903 |
Sheet feeder
A sheet feeder includes a roller configured to feed a plurality of sheets one by one in a sheet feeding direction to a feed path, and a motor configured to drive the roller. The sheet feeder also...
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7448612 |
Auto-compensating mechanism lifter
An auto-compensating mechanism lifter comprises an auto-compensating mechanism (ACM) and a lifter for moving a sheet of print media from a media feed tray in a document feeding device for printer,...
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7448611 |
Pickup device used with image forming apparatus
A pickup device used with an image forming apparatus includes a driving roller, a pickup roller that receives a driving force from the driving roller and picks up sheets of paper one by one, and a...
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7399245 |
Overload protection device
An overload protection device ( 1 ) with a primary section ( 4 ) for the coupling of the overload protection device ( 1 ) with a drive device ( 2 ) and with a secondary section ( 6 ) for coupling...
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7377508 |
Pick mechanism and algorithm for an image forming apparatus
A pick mechanism, having a clutch mechanism, for picking media sheets from an input tray and introducing them into a paper path of an image forming apparatus. The clutch mechanism comprises a...
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7273211 |
Paper-sheet handling apparatus
A paper-sheet handling apparatus includes a cassette that stores a paper sheet; a cassette compartment that stores a plurality of the cassettes; a feeding mechanism that feeds out the paper sheet...
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7267333 |
Power transmission device and sheet feeding apparatus equipped therewith
A power transmission device includes a driving gear having gears over an entire circumferential surface thereof, a follower gear including an intermittent gear having a toothless portion, and a...
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6969058 |
Replaceable roller bogie for document feeding apparatus
A replaceable roller bogie for a single sheet feeder includes pre-feed and separation rollers mounted on a frame which also has a frame positioning lever thereon. Roller drive gears are mounted...
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6945526 |
Method of picking a sheet from a stack
A picking member ( 72 ) rotates to cause a sheet to be picked from a stack ( 42 ) of sheets. The picking member includes movable engaging portions supported on arcuate segments ( 128, 144 ). The...
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6857630 |
Paper pickup mechanism
A paper pickup mechanism for automatically picking up a paper is provided. The paper pickup mechanism includes a system motor for proceeding a first-direction rotation, and a second-direction...
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6817793 |
Media handling device and methods
Disclosed herein is a media handling device for handling sheets of media contained in a stack.
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6736389 |
Pick-roller drive disengagement scheme
A sheet feeder ( 14 ) for a print engine ( 10 ) includes a paper tray ( 30 ) which holds a stack of sheets ( 22 ) including a top sheet ( 20 ), and a pick-roller ( 42 ) which makes contact with the...
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6719284 |
Document feeding apparatus
A document feeding apparatus is used in an office machine in the present invention. The document feeding apparatus includes an intermittent gear set, a first roller, a second roller, and a driving...
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6719285 |
Automatic document feeder and scanner systems
The present invention relates to an automatic document feeder for manipulating and scanning multiple documents, sheets, cards and sheet-like substrates. The present invention is especially suitable...
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6679490 |
PIC roller with clutch
A feeder roller apparatus for high speed image scanning equipment, which improves feeding of documents, and in particular short documents, sequentially fed from a stack. The feeder apparatus...
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6634636 |
Method of picking notes from a stack
An automated banking machine ( 10 ) includes sheet dispensing mechanisms ( 34, 36, 38, 40 ). Each sheet dispensing mechanism includes a picking member ( 72 ). The picking member rotates, with each...
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6615724 |
Input nip roller system for external drum imaging system
The present invention provides an input roller system for displacing a printing plate toward and against a plurality of registration pins located on an external drum of an imaging system. The input...
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RE38212 |
Sheet feeding device
A sheet feeding device ( 2 ) for separating an outermost sheet ( 4 ) from a stack ( 6 ). The sheet feeding device ( 2 ) comprises a stack support means ( 8 ) positioned in a first portion ( 10 ) of...
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6592117 |
Method and apparatus for deskewing media in a feeding mechanism
A media feeding mechanism mainly comprises a base provided with a first surface and a second surface, a first roller, a second roller, a first one-way bearing used to support the first roller, a...
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6497405 |
Sheet feeding apparatus
A sheet feeding apparatus to be used in an automatic sheet feeder having a motor rotatable in a first direction and a second direction is disclosed. The sheet feeding apparatus includes a first...
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6464217 |
Method and apparatus for limiting torque in a feeder
A method and device for reducing the maximum torque to rollers mounted on a drive shaft of a drive roller assembly. By using a plurality of slip clutches, each for engaging an individual roller to...
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6412771 |
Electronic printing apparatus, paper separating unit
A paper separating unit and an electronic printing apparatus which includes said paper separating unit wherein paper is picked by a pick roller from a paper container, is fed into a gap between a...
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6315283 |
Input hopper and encoding station for card printer
A card feeder for a card printer provides a stack of cards at an input end of the printer. The cards are supported on a pair of rollers that are driven at differential speeds and through one-way...
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6296243 |
Sheet supply apparatus
A sheet supply apparatus for supplying record sheets to an image forming apparatus, the sheet supply apparatus including a sheet supply table for supporting the record sheets stacked thereon, sheet...
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6279893 |
Automatic sheet feeder for an image forming apparatus
An automatic sheet feeder for an image forming apparatus includes a tray to be loaded with a stack of sheets, a side guide for preventing the sheets from skewing, and a sheet feeding mechanism for...
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6206368 |
Paper transport device with one roller pair
In a paper transport device, a first roller serving as a separation roller is situated underneath a second roller serving as a document feed roller, together forming a roller pair. A rotary shaft...
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6168147 |
Transmission mechanism for pick-up roller
A drive power transmission mechanism situated between a drive motor and a pick-up roller for transmitting a drive power to the pick-up roller from the drive motor to rotate the pick-up roller under...
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6164641 |
Document separating mechanism of automatic document feeder
A document separating mechanism for an automatic document feeder for separating and feeding the bottommost document of documents laid on document bearing means. A separating roller mechanism has a...
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6070867 |
Sheet supplying apparatus
The present invention provides a drive controlling apparatus used in a sheet supplying apparatus including a lift/lower sheet supporting device for supporting a sheet, a sheet supply mechanism for...
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6024356 |
Drive power transmission
A drive power transmission system located between a paper feed roller and a motor for transmitting a drive power to the paper feed roller from the motor only when a load acting on the paper feed...
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6024357 |
Document sheet feeding mechanism
An automatic document feeding device has a document feeding roller which feeds a document from a stack to a conveying roller which conveys the document for further processing. The document feeding...
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6000690 |
Sheet feeding apparatus
A sheet feeding apparatus that can be used in an image reading apparatus or an image recording apparatus to pick-up sheets of paper for one-by-one transfer to an image generating mechanism (e.g.,...
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5961112 |
Paper feeding unit driving device for electrophotographic processor
A paper feeding unit driving device for an electrophotographic processor having a feed roller gear and a convey roller gear, a paper feed roller, and a convey roller, includes: a latch having first...
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5924687 |
Newspaper hopper and feeder having rail-mounted, one-way rollers
A hopper and feeder assembly for feeding newspapers to be collated or assembled for delivery is provided which includes a reciprocating feeder device employing roller clutch and bearing wheel...
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5909872 |
Sheet supplying apparatus with shift and auxiliary shift for sheet support
The present invention provides a sheet supplying apparatus having a sheet support for supporting sheets, a sheet supply roller for feeding out the sheet on the sheet support, a drive unit...
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5887866 |
Sheet feeding apparatus and sheet feeding method
A sheet feeding apparatus for separating stacked sheets one by one and feeding the sheets includes a rotative feeder rotating in a feeding direction for feeding the sheets; a retard roller disposed...
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5876032 |
Sheet feeder and printer
The sheet feeder of an ink jet printer includes a semi-cylindrical feed roller. A first gear and a second gear are fixed to the roller coaxially with it. The feeder also includes a feed motor...
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5873441 |
Drive transmission system
A low cost drive transmission system provided with one-way clutch having a simple assembly and not requiring precision parts. A drive shaft 31 and a shaft 45 are connected via a link cam 30. A main...
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5860645 |
Sheet supplying apparatus
A sheet supplying apparatus which has a feed roller rotated in a sheet feed direction, a retard roller capable of being urged against the feed roller and adapted to separate sheets one by one...
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5854695 |
Document transmitting interval retainer for a facsimile
A document transmitting interval retainer for a facsimile which includes a shaft having a step-like portion and having a D-cut side on one end and a groove formed along the circumference on an...
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5823523 |
Auto sheet feeder for use in a printing apparatus
Auto sheet feeding device for feeding a sheet into a printing apparatus at each time of printing operation is disclosed. A pinch gear engaged with a motor gear is arranged to be in mesh with a pair...
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5769408 |
Apparatus for feeding sheets
A sheet feeder (10) has a plurality of feed rollers (A,B,C) driven by a drive shaft (62) contacting at least one sheet from a stack (S) of sheets and feeding that sheet downstream. Pull rollers (D)...
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5755435 |
Document conveying arrangement in data processing apparatus
A data processing apparatus having an image reading head. A box-shaped casing has upper and lower cavities, with a hopper table slidably arranged in the upper cavity. The lower cavity is a stacker....
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5722654 |
Sheet supplying apparatus
The present invention provides a sheet supplying apparatus having a sheet stacking device for stacking and supporting sheets, a sheet supply roller having different radial dimensions along a...
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