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Class 271/258.05 - Mechanical linkage


Subclass of Class 271 - Sheet feeding or delivering
Definition: Subject matter wherein the sheet sensor is a mechanically
No. of patents: 18
Last issue date: 07/29/2008


NumberTitleIssue Date
7404558Sheet supplying device and sheet processing device using detecting lever
A sheet supplying device has a sheet delivering roller for delivering sheets one by one; a feeding roller for feeding the sheet delivered by the sheet delivering roller; a pinch roller urged by the feeding roller to be rotated by the feeding roller; a detecting leve...
07/29/2008
7224493Imaging apparatus having a media sensor
An imaging device has a print media path for transporting a print media sheet in a sheet feed direction. A mounting device is coupled to a frame. A media sensor has a body and at least one rotating member rotatably coupled to the body. The body is coupled to the mou...
05/29/2007
7205561Media sensor apparatus using a two component media sensor for media absence detection
An imaging apparatus includes a media support surface. A light source and a light detector are positioned in relation to a reflective surface such that when a sheet of print media covers the reflective surface, a reflected specular light component of a light beam is...
04/17/2007
7007945Separation roll wear compensation device
A sheet take-out apparatus includes a pickup roller to send out sheets, a take-out roller to take out sheets sent out by the pickup roller, a separation roller pressure contacting the take-out roller to separate taken out sheets one by one by applying revolving torq...
03/07/2006
6805509Paper sensing apparatus of image forming machine
A paper sensing apparatus of an office machine has a sensor actuator disposed to pivot with respect to a pivot center of a conveying roller by a printing paper when the printing paper is conveyed, and a sensing unit generating a paper sensing signal in accordance wi...
10/19/2004
6609709Sheet member feeding device, recording apparatus employing the same and image pick-up apparatus with recording mechanism
A sheet member feeding device comprises a first gear transmitting a driving force to a feeding roller for intermittently feeding a sheet member per a predetermined feeding amount, a second gear having a first mark and a second mark representative of a max...
08/26/2003
6561509Monitoring apparatus for the sheet feed to a sheet-processing machine, and method of monitoring the sheet stream structure/the sheet stream
A method is proposed for measuring thickness and detecting double and missing sheets during the sheet feed to a sheet-processing machine, such as a sheet-fed printing machine. A corresponding monitoring apparatus has one or more sensing elements above or ...
05/13/2003
6334723Print medium feed system using pre-existing printing apparatus
The invention accomplishes print medium feed functions, at least in part, by making use of pre-existing printer apparatus that is used to accomplish other functions of the printer. For example, the invention can enable the use-of a single print drive mech...
01/01/2002
6290410Modular autoduplex mechanism with simple linkage
A modular duplex media handling system used in conjunction with a simplex media handling print recording apparatus, includes a drive roller having a simple gear linkage. The simple gear linkage provides a fixed rotational relationship between the drive ro...
09/18/2001
6152443Optical device for detecting the printing media in printers
An optical device for detecting the printing media in printers includes an element pivoting on two rotation pivots which are incorporated therein a certain distance apart and which are guided in respective independent curved grooves. The pivoting element ...
11/28/2000
6022019Device for checking sheet articles such as bank notes
An apparatus for testing sheet material with sensors having one or more components and fastened to the front of a base plate as separate units on one and/or both sides of a sheet material path. The fastening system includes a first fastening device which ...
02/08/2000
5964460Copying device with a printing medium detecting device
Sheets stacked on the sheet tray are delivered and fed one by one along the sheet conveyance path by the rotation of a sheet-feed roller in cooperation with a frictional member. The sheet conveyance path has a sheet-feed actuator provided thereon for dete...
10/12/1999
5818470System and method for directly feeding paper to printing devices
A unique system and method for directly feeding sheets into a printing device having a moving image conducting element with a plurality of images placed thereon for transfer to sheet paper and having a wait station for controlling the timing of paper tran...
10/06/1998
5395106Sheet forwarding apparatus for determining causes of feeding defects
A sheet feeding unit includes a sheet forwarding unit for forwarding sheets from a sheet storing unit, a key input portion, a sheet detection gate, and a control unit. In one embodiment, the sheet forwarding unit repetitively performs its function after a...
03/07/1995
5393044Paper feeder
A paper feeder for use in copiers has a feed roller, a conveying roller and a registration roller. The apparatus further includes a feeding-conveying drive section for driving the conveying roller in synchronization with the rotation of the feed roller, a...
02/28/1995
5315361Printer using electrostatic process including multiple sheet discharge receivers with a pivotal guide and a full tray detector
A printer with a sorter unit allows printed recording sheets to be sorted to a single tray selected from a plurality of trays by a recording sheet guide mechanism that pivots around a shaft. Thus, the printer can sort the printed sheets by page, by user, ...
05/24/1994
4509734Mechanically-operated magazine-unloading, sheet-feeding mechanism for sheet processing apparatus
The sheet-processing apparatus has a mechanically-rotated platen at its sheet-processing station, upstream, along the pair of powered transport rolls and upstream of them, at the outlet of the sheet magazine, a powered sheet-abstracting roll. A drive trai...
04/09/1985
4039179Device for collating sheets
Batches of sheets are arranged in the desired order in a series of parallel racks. Pushers simultaneously entrain the upper sheet of each batch and cause the upper sheets to protrude from the racks, ready for collection. The protruding sheets interrupt a ...
08/02/1977
 
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