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5954328 |
Paper feed mechanism
Disclosed is a paper feed mechanism in which copy paper stacked on a paper support member such as a manual insertion tray is fed along the sheet transport direction in a nipped state between an...
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5954324 |
Apparatus including a roller for shaking and loosening flat articles in a stack for facilitating removal of an article from the stack
In an arrangement for separation of items bearing printed matter, in particular letters deposited on edge behind one another in a letter stack, supplied laterally from the letter stack to a...
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5938191 |
Segmented drive roll for exit nip prior to exit trays
An apparatus and method for slowing down the ejection velocity of the print media into an output tray, without the use of active velocity control of the exit nip or interface, utilizing a...
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5934664 |
Paper feeding apparatus and printer
A paper feeding apparatus and a printer wherein an idle roller is brought into contact with a separation pad by a roller spring for generating urging force smaller than that of a separation pad for...
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5932313 |
Rubber-based paper feed rollers
Paper moving rollers, for use in printer or duplicating machines, particularly those using an autocompensating feed system, are disclosed. These rollers have a long effective life and provide...
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5918873 |
Sheet supplying apparatus which regulates tip end of sheet by first and second abutment means
The present invention provides a sheet supplying apparatus which has a sheet supporting unit for supporting a sheet, a first abutment member for regulating a tip end of the sheet supported by the...
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5895039 |
Sheet-supply device
A sheet-feed device including: a hopper having a surface on which sheets are stacked; at least one sheet-feed roller for abutting a surface of an uppermost sheet of the sheets so that rotation of...
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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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5779234 |
Printer sheet discharge method
A method for discharging a sheet from a printer that includes feeding a first sheet from a sheet tray, conveying the sheet by the force applied by the driving roller until a leading edge of the...
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5775684 |
Apparatus for feeding distinct feed stock and maintaining the alignment of printable stock in a roller driven tray information transfer device
Apparatus for feeding distinct feed stock through a roller driven tray device to an information transfer device (i.e., scanning, facsimile, printing, copying) or a multipurpose information transfer...
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5775682 |
Sheet transfer member having at least one outwardly opening sheet-receiving slot and sheet withdrawl portion and apparatus including such a member
A sheet transfer member (17) has at least one outwardly opening slot (20) into which a sheet can be received. The member (17) is rotatably mounted in use so that a sheet in the slot (20) can be...
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5769412 |
Paper slip storage unit
A first shaft 21 and a second shaft 31 parallel with each other are provided near an inlet 14 of a bill storage chamber 10. Taking-in runners 20 are disposed on the first shaft 21 and taking-in...
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5746426 |
Feeding device having a feed roller with a low coefficient portion
A feeding device which feeds paper sheets accommodated in a paper supply tray detachable from a body of an image forming apparatus. Paper sheets stacked in the paper supply tray is induced to make...
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5738348 |
Sheet feeder
A sheet feeder assembly including and a sheet feed roller for feeding a sheet of paper in a sheet feeding direction. A sheet support is spaced apart from the sheet feed roller for supporting the...
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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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5711519 |
Device for feeding flat material
The feed device comprises a supply chamber (6) with a forward wall (9) having an inclined plane (45) provided with retaining elements for the stack of sheets contained in the supply chamber in the...
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5681036 |
Sheet feeding device with control of skew-correction
A sheet feeding device can perform registration of a sheet with high precision even if the sheet is fed at high speed. The device includes a pair of active registration rollers, disposed at a side...
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5630583 |
Sheet media feeding mechanism having a variable radius feed roller
An image forming machine, such as a printer or copier, that includes a photoconductive drum for holding a toner image and a sheet pick/feed mechanism that uses an increasing radius feed roller to...
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5597155 |
Dual drive document deskew sheet feeder
A dual drive document deskew and sheet feeder. Paper sheets of various sizes and thicknesses are joggled and aligned into a stack relative to one side and a top of the documents, for example, and...
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5582399 |
Sheet feeding device having sheet edge sensor
A sheet feeding device for feeding a sheet stacked on a sheet cassette to an image forming portion of an image recording apparatus. The sheet feeding device includes a sheet supplying roller unit...
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5570876 |
Asymmetrical paper separator roller for facsimile or copy machine
An improved paper separator roller is described where, instead of a symmetrical, cylindrical paper-feed roller, an asymmetrical feed roller (or stripper roller) is used to separate a bottommost...
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5571265 |
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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5564688 |
Stripper roller manufacturing method
A method for forming a stripper roller is described where, instead of a symmetrical, cylindrical paper-feed roller, an asymmetrical feed roller (or stripper roller) is used to separate a bottommost...
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5540423 |
Sheet feeding device having a plurality of rollers positioned side by side
A sheet feeding device avoiding diagonal feeding of a sheet for use in an image forming apparatus. The image forming apparatus includes a sheet cassette and a sheet supply roller unit positioned...
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5498114 |
Envelope feed device incorporating scales
The feed device includes a platform (9) adapted to receive at least one mail item (4; 4A, 4B) laid flat on it and a plurality of rollers (10) each having a flat (10B). Said rollers are mounted to...
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5485991 |
Automatic sheet feeding apparatus
The present invention provides an automatic sheet feeding apparatus comprising sheet supporting means for supporting a plurality of sheets, sheet supply means for feeding out the sheets supported...
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5480247 |
Sheet supplying apparatus
A sheet supplying apparatus comprises a sheet supporting plate for supporting sheets, a separation claw for regulating one end of a leading edge of the sheets supported by the sheet supporting...
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5449161 |
Hard copy sheet media pick mechanism
A device for pre-picking a top sheet of media from a stack is disclosed. A biased friction pad is mounted on a D-shaped pick roller mechanism to engage the top sheet with a lighter force than that...
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5423528 |
Paper feeding device
A paper feeding device for taking out paper sheets contained in a paper containing section one at a time by a paper feeding roller to feed the paper sheets. When a paper jam occurs in the position...
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5411247 |
Automatic document feeder with smooth sheet feeding mechanism
An automatic document feeder is formed of a sheet mounting portion for receiving a sheet thereon, a rotating member located at the sheet mounting portion, and a pressure device situated at a side...
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5390906 |
Paper supplying device
A paper supplying device includes a pair of opposite upper and lower paper supplying rollers, each having a hemicylindrical portion defining an increased frictional circumferential surface having a...
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5372359 |
Sheet feeding apparatus
A sheet feeding apparatus for intermittently feeding sheets one by one into printing equipment. The apparatus comprises a sheet pickup roller fixed to a rotatable drive shaft, a pair of cylindrical...
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5370264 |
Ticket dispenser
A ticket dispenser including a frame including a pair of side panels and a front panel having a slot, a driven roller fitted between the side panels, a driving roller disposed under the driven...
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5358230 |
Sheet supplying apparatus
The present invention provides a sheet supplying apparatus with a sheet support for supporting a sheet and shiftable between a supply position and a waiting position, a supply roller for feeding...
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5350168 |
Corrugated fang for multi media feeder
An apparatus for feeding individual sheets from the bottom of a sheet stack. The sheet stack is placed in the paper tray with the lead edge abutting the sheet feeding apparatus. The face of the...
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5330169 |
Apparatus and method for handling sheet material articles
An apparatus for use in handling sheet material articles includes a feed drum which is rotatable to sequentially pull sheet material articles from a hopper. A separator assembly includes a...
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5326184 |
Apparatus and method for picking paper from a stack
A rotatable pick engager for use with a printer for precisely timing the engagement of a paper stack with a pick roller during the picking of a sheet from the stack, greatly reducing top of sheet...
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5318287 |
Bypass sheet feeding device
A bypass sheet feeding device including a sheet separation device composed of a semicircular sheet drive roller and a multi-feed prevention roller which is coupled to a torque limiter, is provided...
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5316283 |
Clutch mechanism for a sheet feeder
An improved sheet feeder mechanism includes a D-shaped roller that is mounted on a shaft and is positioned transversely to a direction of sheet feed. A D-roller gear is mounted on the shaft and has...
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5297786 |
Cleated wheel assembly and method of separating a sheet using a cleated wheel assembly
A process and apparatus for a cleated wheel assembly for aligning and securing a cleat to the outer circumference of a wheel which provides a cleat having attachment apertures which are secured by...
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5287156 |
Fixing device capable of separating an end portion of a recording material by a bearing
An image fixing device includes a fixing roller, a bearing for rotatably supporting the fixing roller, and a backup member to form a nip between them. The bearing extends to reach within a maximum...
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5277416 |
Device for feeding paper into a facsimile system, copy machine or other device
There is disclosed a device for feeding a number of stacked documents accurately one by one into a machine such as a copy machine or facsimile including a table for loading the stacked documents, a...
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5267008 |
Friction retard feeder with a composite feed element
A composite friction feed roll includes one material which feeds fresh paper well and another material which reliably feeds paper which has passed through fusing and has oil on its imaged surface....
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5261652 |
Sheet feed device for use in sheet counter
A sheet feed device for use in a sheet counter arranged to separate stacked sheets one by one and to count the number of sheets. The sheet feed device has a feed roller having on its circumference...
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5255903 |
Sheet feed and alignment apparatus
A sheet feeding apparatus in which a stack of sheets is supported and stored in a biased base tray. Successive uppermost sheets contained within the biased base tray are caused to move into...
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5249789 |
Sheet film magazine for a film changer
A sheet film magazine for a film changer has a conveyor for conveying individual film sheets from a film stack to an exposure or receptacle portion of the film changer. The conveyor comprises at...
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5228671 |
Sheet feeder with single sheet bypass
A sheet feeder with single sheet bypass sheet feeding capability has a sheet support platform for supporting a stack of sheets, at least one sheet feed roll fixedly mounted on a rotatable shaft and...
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5222724 |
Paper feeder
Disclosed is a paper feeder for sequentially feeding laminated cutform paper to a record/write portion or the like. Proper sagging of the cutform paper is produced on this side of a paper feeding...
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5199701 |
Carrier apparatus using ultrasonic actuator
This carrier apparatus employs an ultrasonic actuator comprising a piezoelectric actuator made of a piezoelectric element which extends and contracts in the radial direction of a cylindrical...
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5192141 |
Multi-dimensional media printer with media based registration and free edge printing
A printer 20 for imprinting data on a variety of multi-dimensional media 62 has media based registration and can accomplish free edge printing for printing data adjacent edges. The printer 20...
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