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Class Information
Number: 271/110
Name: Sheet feeding or delivering > Feeding > Separators > Rotary > Control of separator responsive to sensing of sheet
Description: Device provided with means to detect the absence or presence of a sheet from the pack or stack of sheets, and further provided with means to activate or deactivate the sheet-removing means as a result of such detection.

Sub-classes under this class:

Class Number Class Name Patents
271/111 Including plural separators or plural sensors 133

Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8693009 Rotation amount detecting device for rotation body, length measuring device and image forming apparatus Apr. 8, 2014
8636284 Sheet conveyer Jan. 28, 2014
8608155 Printing apparatus and printing method Dec. 17, 2013
8594837 Feed device with improved envelope separation Nov. 26, 2013
8582125 Variable support structure and media sheet separator Nov. 12, 2013
8573585 Media handling system Nov. 5, 2013
8547604 Cable arrangement structure and image scanner employing the same Oct. 1, 2013
8540236 Paper feeding device and image forming apparatus Sep. 24, 2013
8534664 Image forming apparatus and feed mechanism Sep. 17, 2013
8528894 Method of detecting sheet in transport device, transport device, image reading device, and image forming apparatus Sep. 10, 2013
8531742 Sheet detecting device, double feed determining device, and image reading apparatus using the same Sep. 10, 2013
8517372 Sheet item feeder Aug. 27, 2013
8511670 Sheet conveying device, image reader, and image forming apparatus Aug. 20, 2013
8474810 Reflective photosensor and image forming device incorporating the same Jul. 2, 2013
8448937 Medium supplying apparatus May. 28, 2013
8439351 Measuring amount of media during stack compression May. 14, 2013
8416476 Image reader and image forming apparatus Apr. 9, 2013
8403318 Apparatus for detecting amount of remaining sheets and image forming apparatus including the same Mar. 26, 2013
8393614 Sheet feeding apparatus and image reading apparatus Mar. 12, 2013
8382093 Sheet feed device, image forming apparatus having the same, and sheet feed method Feb. 26, 2013
8385796 Fixing device and image forming apparatus incorporating same Feb. 26, 2013
8371500 Method and apparatus for sheet feeding from a media stack using a bar code scanning device in an image production device Feb. 12, 2013
8317186 Paper delivering device Nov. 27, 2012
8297612 Apparatus for detecting media edges in a media input tray Oct. 30, 2012
8246041 System and method for monitoring image forming machine media stack height and method of calibrating stack height sensing in the monitoring system Aug. 21, 2012
8240656 Paper feeding device, image forming apparatus, and setting information switching method Aug. 14, 2012
8231124 Paper feeding device and image forming apparatus Jul. 31, 2012
8231121 Paper tray of printer Jul. 31, 2012
8226081 Paper tray of printer Jul. 24, 2012
8159685 Image processing apparatus and image processing method capable of easily performing work to arrange pages of discharged recording paper in case of multi-feeding of original Apr. 17, 2012
8146911 Sheet feeding device and imaging apparatus employing sheet feeding device Apr. 3, 2012
8109499 Methods for moving a media sheet within an imaging device Feb. 7, 2012
8091884 Transport device, overlap feed sign detection device, and computer readable medium Jan. 10, 2012
8083229 Mailpiece feed device Dec. 27, 2011
8061703 Sheet-feeding type scanning apparatus and automatic sheet feeding method Nov. 22, 2011
8052138 Paper tray of printer Nov. 8, 2011
8025284 Remaining sheet volume detecting apparatus and image forming apparatus Sep. 27, 2011
8011652 Sheet feed device and image forming apparatus Sep. 6, 2011
8002267 Paper feed apparatus Aug. 23, 2011
7980549 Document feeder and image forming device Jul. 19, 2011
7883083 Method of feeding medium in recording apparatus, and recording apparatus Feb. 8, 2011
7866665 Sheet conveying device and image forming apparatus Jan. 11, 2011
7862032 Feeding device and recording apparatus Jan. 4, 2011
7828282 Pick-arm member to detect media amount Nov. 9, 2010
7815183 Compact structure device for extracting sheets from two trays and respective printer Oct. 19, 2010
7753360 Measuring device, sheet-shaped material transporting device, image formation device and measuring method Jul. 13, 2010
7731175 Image forming apparatus and paper feeding method used with the same Jun. 8, 2010
7717415 Paper feeding device May. 18, 2010
7703762 Sheet supply device and image forming apparatus Apr. 27, 2010
7703763 Sheet conveying devices and image recording apparatuses including the same Apr. 27, 2010

1 2 3 4 5 6

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