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Class 271/153 - Sensor included in feed mechanism


Subclass of Class 271 - Sheet feeding or delivering
Definition: Device which is provided with a means to remove the foremost
No. of patents: 74
Last issue date: 11/02/2010


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NumberTitleIssue Date
7823875Sheet feeding device, and image forming device
There is provided a sheet feeding device in which a sheet is discriminated at preliminary loosening before feeding, and is set to be controlled according to the type of the sheet by a simple configuration without requiring a special configuration. In the sheet feedi...
11/02/2010
7753366Sheet feeding apparatus and image forming apparatus with sheet feeding apparatus therein
The sheet feeding apparatus includes a sheet stack tray on which sheets to be fed are stacked, a drive motor for moving up the sheet stack tray, a detection sensor for detecting the position of an uppermost sheet stacked on the sheet stack tray, and a control part f...
07/13/2010
7712735Device for unstacking postal items with optimized management of unstacking conditions
An unstacker device for unstacking flat objects comprises a motor-driven feed magazine controlled so as to move flat objects in a stack and on edge facing an unstacking head provided with a motor-driven drive having a perforated belt and a suction chamber, which mot...
05/11/2010
7552921Method and device for feeding sheets to a user machine
A method and device for feeding sheets to a user machine, whereby the sheets, arranged in a stack along a channel having a substantially horizontal longitudinal axis, are fed to a single-sheet pickup member by dividing the stack into an output portion, an intermedia...
06/30/2009
7540492Image forming apparatus
A detecting device for detecting the presence or absence of a sheet contained in a sheet containing portion includes a rotatable arm portion brought into contact with the sheet contained in the sheet containing portion, a stopper portion rotatable in association wit...
06/02/2009
7410159Paper feeding device with independent pickup rollers
A papers feeding device, comprising first and second feeding units 10 and 20 in which pickup rollers 12 and 22 are mounted on two or more independent shafts 11 and 21 disposed on the right and left sides of the device to be ...
08/12/2008
7389982Image forming device capable of feeding paper smoothly
An image-forming device includes an image-forming section, a separating/feeding section that separates and feeds sheets of paper from a stack into the image-forming section one sheet at a time, a pressing plate disposed on the opposite side of the stacked paper from...
06/24/2008
7264238Feed paper apparatus
A paper feed has a door and a paper carrying tray, and raises the tray as paper is fed. A first detector that detects the presence of paper is located below a paper feed position by a margin corresponding to a given number of paper sheets, and second detector that d...
09/04/2007
7237773System for feeding and transporting documents
A system for feeding and transporting documents includes a feeder stage and a transport stage. The hopper assembly includes a hopper floor that carries the document stack and a flag that provides a force to move the documents along the hopper floor toward the feeder...
07/03/2007
7222847Feeding apparatus and recording apparatus having the same
The feeding apparatus includes a pressure plate cam gear which contacts and separates a pressure plate with and from a feeding roller rubber in a forward rotation of a stepping motor, then interrupts the drive power transmission to the pressure plate, then transmits...
05/29/2007
7182332Feed device for stacks of paper, plastic material or the like
A feed device for stacks of paper or plastic material has at least one transport unit with a supporting member for the stack and at least one transport element. A separating unit with at least one rotatably driven feed drum is provided for removing individual sheets...
02/27/2007
7077589Image forming apparatus
Recording medium feeding means includes a recording medium determination device, in which an arm biased by a spring toward recording medium loading means is rotatably attached to a lever rotated by a rotatably driven cam member, two holder segments are rockingly att...
07/18/2006
7070179System and method for feeding and transporting documents including document trailing edge detection by sensing an air flow disruption while the document is still being fed from the document stack
A system and method for feeding and transporting documents are provided. The method includes directing airflow to a fixed location upstream of a feeder at a stack of documents such that a document trailing edge passing the fixed location causes a disruption in the a...
07/04/2006
7058353Paper detecting device of paper feeding cassette and an image forming apparatus having the same
A paper detecting device to detect paper presence on a paper plate in a paper feeding cassette, and comprising a light-emitting device and a light-receiving sensor. In the paper feeding cassette, an end-fence is movably mounted, and at least one of the light-emittin...
06/06/2006
7043054Postal information input apparatus and a data display method thereof
In a postal information input apparatus in which when a postcode to be read by a reader of a postal matter sorting machine cannot be normally read, a correct postcode is reentered manually from an input device, a first display means which displays on a display devic...
05/09/2006
7025348Method and apparatus for detection of multiple documents in a document scanner using multiple ultrasonic sensors
An apparatus (10) for detection of multiple documents (42) in a document transport system comprises a first transmitter (13) emitting a first signal at a first interval through a document feed path (40). A first sensor (14) detects...
04/11/2006
6994341Sheet feeding device and image forming apparatus equipped with the same
A sheet feeding device in which sheets contained in a sheet container detachably attached to an apparatus main body are fed by a sheet feeder, including a sheet support member provided in the sheet container to vertically move while supporting the sheets, a lifter f...
02/07/2006
6908082Method and system for providing sheet stack level control
A system and method for providing the ability to more effectively control a paper stack in a reproduction apparatus. The level control behavior of the paper stack is characterized, and accordingly, additional lift commands are signaled when the behavior indicates th...
06/21/2005
6905661System for sanitizing and sorting mail
A mailpiece sorting apparatus is described which includes a feeder, an OCR scanner, a mailpiece transporter, a sanitizer and compartments or bins for receiving sorted mailpieces, an optical character recognition system (OCR) for reading addressee information, an add...
06/14/2005
6824133Stack monitoring method and system
Disclosed herein is a stack monitoring system for an imaging apparatus for monitoring media reserves. ...
11/30/2004
6804474Image forming apparatus
An image forming apparatus is provided which includes a sheet containing section for containing sheets, a conveying member and a conveying path for conveying the sheets, at least one optical sensor that is arranged in the conveying path and has a light emitting elem...
10/12/2004
6761352Method and system for double feed detection
A system for detecting overlapped flat objects in a sequence of flat objects have at least one of their edges exposed for viewing as they pass along a feed path. The system includes a sensor for generating a signal in response to detecting a flat object in the feed ...
07/13/2004
6644649Destacking device with thickness based feedback control
A device (1) for removing flat objects from a stack includes a magazine (2), in which flat objects are stacked on edge to be serialized, and a vertical destacking plate (6) disposed directly in front of the magazine (2) and against which the first object ...
11/11/2003
6612565Presentation control for flat article singulation mechanism and sensors suitable for use therewith
An apparatus and method are provided for controlling the presentation of articles to the singulation head of a system for singulating a stack of edge-mounted articles, for example mixed mail, which mechanism senses the instantaneous pressure at which the ...
09/02/2003
6585256Presentation control for flat article singulation mechanism and sensors suitable for use therewith
An apparatus and method are provided for controlling the presentation of articles to the singulation head of a system for singulating a stack of edge-mounted articles, for example mixed mail, which mechanism senses the instantaneous pressure at which the ...
07/01/2003
6567187Printing apparatus and feeding control method
A printing apparatus has high reliability both in manual feeding and in automatic feeding of a printing medium, and a feeding control method controls the printing apparatus. In the case of manual feeding of a sheet as the printing medium, the sheet is tra...
05/20/2003
6511062Presentation control for flat article singulation mechanism and sensors suitable for use therewith
An apparatus and method are provided for controlling the presentation of articles to the singulation head of a system for singulating a stack of edge-mounted articles, for example mixed mail, which mechanism senses the instantaneous pressure at which the ...
01/28/2003
6505832Variable acceleration take-away roll (TAR) for high capacity feeder
A variable acceleration TAR. The properties and dimensions of the sheets in a stack are entered by a user or determined automatically. Since it is known from either customer provided input or automatic sensing what sheet length and resulting pitch size ar...
01/14/2003
6427998Replenishment arrangements for automated teller machines
An automated teller machine includes a stack of currency notes and dispenser for dispensing notes from the stack to authorized users. A marker bill is inserted at a predetermined position in the stack of currency notes to indicate a predetermined quantity...
08/06/2002
6293539Rotating or pivoting apparatus and medium feeding apparatus
A medium feeding apparatus comprises a driving motor for moving a backup plate to press a medium against a pickup roller, piezoelectric elements for sensing slippage between the pickup roller and the medium which occurs while the roller rotates, and a con...
09/25/2001
6260841Automatic document feeder hopper flag force control
A document feeder includes a nudger located at a first side of a document stack. The nudger applies a nudger force to the first side of the document stack. An adjustable hopper positions the document stack next to the nudger. The adjustable hopper has a h...
07/17/2001
6247695Multiple zone stack height sensor for high capacity feeder
A stack height assembly consisting of two transmissive sensors and two flags, the stack height of a feeder module can be set to three different levels depending on the weight of the media. This "optimization" of the stack height to address the media's fai...
06/19/2001
6217020Method and apparatus for detecting proper mailpiece position for feeding
The present invention is directed to, in a general aspect, a nudger for a mixed mail feeder and, in particular, to an apparatus and method of providing and detecting proper position in a stack of mixed mail. The apparatus, generally, comprises a nudger ar...
04/17/2001
6137968Image forming apparatus
There are disposed optical sensors (S1, S2, S3,S4, S5, and S6) outside sheet trays (1, 2, 3). The optical axes of the optical sensors are respectively set in such a manner that they are parallel to their associated up-down tables (1a, 2a, and 3a) and pass...
10/24/2000
6123330Method of feeding flat mail for separation by suction of material input
The invention relates to a method for the steady feeding of flat items for separation by suction of material input into a distribution unit by using a feeding device, preferably comprising a separating blade and a conveyor belt underneath it. In accordanc...
09/26/2000
6032946Document feeder
A document feeder comprises a tray for containing a stack of documents to be fed along a document feed path. A picker mechanism picks a document from the stack and moves the picked document along the document feed path. A controllable motivator disposed i...
03/07/2000
5988629Control for a sheet stack supporting platform
A sheet feeder having a platform for supporting a stack of sheets, a feed head assembly for feeding sheets seriatim from the top of a sheet supply stack on the platform, a mechanism for moving the platform relative to the feed head assembly, and a device ...
11/23/1999
5971391Nudger for a mail handling system
A nudger including apparatus for applying a feed force to a lead mailpiece of the stack of mixed mail to feed the lead mailpiece of the stack along a mailpiece feed path, the applying apparatus being moveable between first and second positions; structure ...
10/26/1999
5944430Automatic sheet feeder of an ink-jet printer and method for feeding a sheet of paper
An automatic sheet feeder for an ink-jet printer that uses a solenoid driven cam to move the paper tray away from the pickup roller when a sheet of paper is loaded into the printer from the automatic feed roller. This causes the paper transport velocity t...
08/31/1999
5899448Sheet feeding apparatus and method
Sheet feeding apparatus includes a sheet feed device which operates to feed sheets towards or away from a sheet store. The sheet feed device has at least one resilient portion which flexes against its resilience relative to the remainder of the sheet feed...
05/04/1999
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