Matches 1 - 50 out of 153 1 2 3 4 >
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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...
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,...
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...
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...
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...
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 ...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
6817793 Media handling device and methods  
Disclosed herein is a media handling device for handling sheets of media contained in a stack.
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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.,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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)...
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....
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...
Matches 1 - 50 out of 153 1 2 3 4 >