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Class 271/22 - Pack advancer


Subclass of Class 271 - Sheet feeding or delivering
Definition: Having means for keeping top or side feed packs forced into
No. of patents: 96
Last issue date: 08/12/2008


1      
NumberTitleIssue Date
7410162Image forming apparatus
An image forming apparatus has a chassis, a paper feed roller, a lifting member, and a biasing member. The chassis has a first side surface, a second side surface, and a bottom surface that connects the first and second side surfaces. The bottom surface has one of a...
08/12/2008
7370860Automatic edge guide assembly using springs and tapered surfaces
An automatic edge guide assembly comprises a sheet feeding mechanism, a slide housing mounted within the sheet feeding mechanism and an edge guide slidably connected to the slide housing. The edge guide is biased by a first biasing force and a second biasing force, ...
05/13/2008
7367559Simple and inexpensive high-capacity output catch tray for document production machines
The invention is relates to a simple, inexpensive high capacity output catch tray for copiers and other document production machines. The output tray automatically increases in capacity as the stack of copies in it accumulates, without external power source or contr...
05/06/2008
7347415Paper feeding apparatus of image forming apparatus
A paper feeding apparatus of an image forming apparatus has a paper setting unit that includes a knock-up plate raising/lowering portion raising and lowering a knock-up plate with respect to a pickup roller, a paper guide slidably formed on the knock-up plate to gui...
03/25/2008
7281791Recording apparatus
A recording apparatus has a recording medium feeding mechanism for feeding a recording medium by one at a time, a recording head for performing recording, a discharging roller having a discharging driven roller and a discharge driving roller and a recording medium s...
10/16/2007
7204484Simple and inexpensive high-capacity output catch tray for document production machines
The invention is relates to a simple, inexpensive high capacity output catch tray for copiers and other document production machines. The output tray automatically increases in capacity as the stack of copies in it accumulates, without external power source or contr...
04/17/2007
7198264Sheet supplying device
In a sheet supplying device for feeding a sheet from a sheet stack configured by stacking plural sets of sheets collated by page order, each of which corresponds to one volume, for each set of sheets, in a state where the sheets are superimposed on one another so as...
04/03/2007
7125013Automatic feeding device and recording apparatus provided with such automatic feeding device
An automatic feeding device for feeding plural number of recording sheets stacked on a pressure plate by separating them one by one is provided with a sheet-feeding roller for carrying the recording sheets stacked on the pressure plate; a separation roller for separ...
10/24/2006
7117795Method and device for correcting the positional deviation of a conveyed item by adjusting the cylinder's angle rotation relative to the conveyed item
To correct the position of a conveyed item (12) in a conveyance system (10), the deviation of the conveyed item (12) from its target position is detected. If this deviation reveals that a correction is necessary, a suitable correction profile Pi...
10/10/2006
7100913Value sheet handling apparatus
A value sheet handling apparatus comprises an actuating mechanism for exerting pressure onto a value sheet so as to move the value sheet, and further comprises detecting means to detect movement of the value sheet with respect to the actuating mechanism, wherein if ...
09/05/2006
6997422Stand
Methods and apparatus for providing an adjustable balancing force are provided. This mechanism can be used as a lifting force, a counter balancing mechanism or as a horizontal or other force mechanism. A stand in accordance with an exemplary embodiment of the presen...
02/14/2006
6994306Monitor support system
A system for providing support and position control of a monitor. In one embodiment, a method of supporting a monitor includes converting an ascending energy storage member force curve into a substantially constant supporting force against the monitor. In one aspect...
02/07/2006
6945528Sheet feeding apparatus and image forming apparatus
A sheet feeding apparatus includes a sheet stacking unit, sheet feeding unit, and a sheet support member. Sheets are stacked on the sheet stacking unit. The sheet feeding unit is placed to be movable in the widthwise direction of the sheets stacked on the sheet stac...
09/20/2005
6929257Slip sheet capture mechanism and method of operation
A substrate manager for a substrate exposure machine is used, in one example, as a platesetter. As such, it comprises a substrate storage system, containing one or more stacks of substrates, such as plates in one implementation. A substrate picker is provided for pi...
08/16/2005
6926269Paper cassette and paper feeding apparatus
A paper cassette holds a stack of print medium therein. A guide member includes first and second members. A medium-supporting plate supports the stack of the paper placed thereon. When the guide member is moved to a predetermined position, the first member abuts the...
08/09/2005
6766738Cylinder jacket profile, method of producing an easy-clean layer on a cylinder jacket profile and printing press
A cylinder jacket profile for impression cylinders or sheet transfer cylinders has uniformly distributed elevations with an easy-clean layer as a surface coating. The easy-clean layer has a thickness of less than 5 μm, in particular 1 μm, and a surface energy of l...
07/27/2004
6488277Sheet separation mechanism
A sheet separating device having a mechanism for buckling or humping a top sheet of a stack and thereby separating the top sheet from an underlying sheet that may be adhering to the underside of said top sheet....
12/03/2002
6467766Paper sheet feed mechanism
An object of the paper sheet feed mechanism of the present invention is to provide a paper sheet feed mechanism in which delivery of paper sheets is stable. The paper sheet feed mechanism comprises a feed roller conveying paper money to the right directio...
10/22/2002
6354584Sheet feeding apparatus, image forming apparatus having the same and image reading apparatus having the same
A sheet feeding apparatus comprising a movable sheet supporting device for supporting a sheet, a sheet feeding roller urged against the sheet supported by the sheet supporting device and adapted to rotate in a sheet feeding direction to feed the sheet, a ...
03/12/2002
6305683Front loading type of automatic paper feeding apparatus for preventing paper from being skewed
An improved front type of automatic paper feeding apparatus having a paper aligning device for preventing a skewing of a paper to be fed. In the front loading type of automatic paper feeding apparatus including a paper storing and separating section for s...
10/23/2001
6129347Entrance guide for friction/retard feeding systems
A substrate feeding system, and printers that use such feeding systems, that includes a feed roll and a retard roll that form a nip, a nudger roll for advancing a substrate from a substrate stack toward the nip, and an entrance guide between the nudger ro...
10/10/2000
6065745Cradle for feeding of non-uniform sheets in a printer or copier
A cradle for holding and feeding a stack of sheets in a printer or copier which compensates for non-uniformities in the stack, and especially non-uniformities in the central portion of the stack, thereby presenting a level top sheet to a sheet feeder rega...
05/23/2000
6056461Device for feeding a recordable paper in an ink jet printer
Disclosed is a device for feeding a recordable paper in an ink jet printer. The device according to the present invention is designed such that a recordable paper stacking plate is upward shifted by a reciprocal movement of a carriage to be positioned at ...
05/02/2000
5984295Paper tray with single sheet feeder
A single sheet feed system for feeding sheets, such as sheets of paper into a printer or other device which use individual sheets, such as a telefax machine or copier, is mounted on a tray that has a spring loaded bottom wall to urge a stack of sheets upw...
11/16/1999
5961113Sheet feeding apparatus and method for reliably feeding sheets from a column of sheets
Sheet feeding apparatus and method for reliably feeding sheets from a column of sheets. The sheet feeding apparatus includes separation tangs each having a step-wise topography of reduced contact area for the sheets in order to reduce frictional drag on t...
10/05/1999
5915682Sheet feeder system and method for individually separating sheets
A sheet feeder system for a sheet-fed printing press includes a device for causing a sheet pile to sag at least partly in at least an upper region thereof, and at least two contact elements disposed in mutually spaced-apart relationship on an upper side o...
06/29/1999
5711649Sheet stacking apparatus
An apparatus and method for stacking sheets on a stationary stack is disclosed comprising conveying a sheet to a roller and rolling the sheet onto the stack of sheets. The roller is preferably moved across the stack of sheets by a carriage while the sheet...
01/27/1998
5443251Sheet feeding apparatus
The present invention provides a sheet feeding apparatus comprising a supply means contacting one of the sheet in a sheet stack, for applying a feeding force to the sheet; a first limiting means abutting against a front end of the sheet stack in a sheet f...
08/22/1995
5437444Sheet supplying apparatus
The present invention provides a sheet supplying apparatus having an extendible sheet support for supporting sheets, a sheet supply for feeding out the sheets supported by the sheet support, a shiftable separating claw capable of separating the sheets fed...
08/01/1995
5323918Adhesive sheet separator
A sheet separating device for removing an uppermost sheet of an adhesive pad containing a plurality of such sheets includes a housing; a support plate for holding the pad, resiliently biased in an upward direction. A sheet separator mechanism is movable i...
06/28/1994
5305996Paper hopper
An inexpensive large-capacity paper hopper capable of energizing a paper feed table with a constant lift force irrespective of the quantity of paper sheets remaining thereon, thereby performing stable paper feeding. To achieve such a paper hopper, a paper...
04/26/1994
5284333Sheet feeding apparatus
A sheet feeding apparatus comprising a feeding device for feeding a sheet, a regulating member for regulating a position of a lateral edge of the sheet fed by the feeding device, a first rotary member adapted to feed the sheet fed by the feeding device wh...
02/08/1994
5232215Sheet feed cassette for image forming apparatus
A sheet feed cassette to be installed to a sheet feed unit of an image forming apparatus. The sheet feed cassette includes a frame unit having at least a side frame and a bottom frame; a bottom plate, provided above the bottom frame of the frame unit, for...
08/03/1993
5195736Method and apparatus for feeding sheets
An apparatus for sequentially feeding an accumulation of sheets stored in a storing section thereof one by one to a predetermined transport path. A pressing member presses the accumulation of sheets to one side in a direction in which the sheets are accum...
03/23/1993
5184906Adjustable envelope cassette
An adjustable cassette for use in an envelope printing system. The cassette includes an elevator for maintaining the top envelope in a stack of envelopes in contact with a take-up roller in the printing system. The cassette also includes lateral guides po...
02/09/1993
5114133Automatic sheet feeding device
A first sheet stacker in which first sheets are stacked and retained by sheet separation claws is formed by a pair of first stacker forming members, and otherwise, a second sheet stacker free from the sheet separation claws is formed by placing second sta...
05/19/1992
5100120Cut-sheet feeder control method
A method of controlling a cut-sheet feeder installed on a printer to feed a cut sheet from a sheet hopper (1) included in the cut-sheet feeder to the printing unit of the printer at a sheet feeding speed corresponding to that of the printer. The printer g...
03/31/1992
5054759Apparatus for feeding individual sheets in office machines
In an apparatus for the feeding of individual sheets (1) into office machines (2) in which the individual sheets (1) form a stack (3) of sheets atop which rotatively-driven fixed delivery rolls (4) rest and from which individual sheets (1) can be drawn ov...
10/08/1991
5052673Sheet feeding device
A sheet feed device for feeding sheets from a stack to a machine, such as a copier, is provided with rollers for feeding the top sheet of the stack to the entrance of the machine. When a sheet is being fed through the machine, the presence of the sheet is...
10/01/1991
5052670Image-forming machine
An image-forming machine comprising a conveying passage for conveying a sheet material through a transfer zone, a first and a second feed system for feeding the sheet material to the conveying passage, a first feed passage for conducting the sheet materia...
10/01/1991
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