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| Number | Title | Issue Date |
| 7370860 | Automatic 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 |
| 7270494 | Easy assembly printer media transport arrangement A printer including: at least one elongate roller arranged, in use, to rotate so as to transport print media within the printer; a support frame for supporting the roller at the longitudinal first and second ends of the roller so as to allow the rotation of the roll... | 09/18/2007 |
| 7163455 | Operating device for air conditioner for vehicle A plurality of click portions is formed integrally with a unit body. The click portions are arranged on a common circular track, and a dial is engaged with the click portions so as to be unstable and to be prevented from slipping off. Therefore, it is not necessary ... | 01/16/2007 |
| 7104172 | Method for conveying, guiding, and locating a thermoformable web A method for delivering web-supported articles between dies and punches of a trim press. The method includes providing a treadle having an article detector, while moving the web and the articles, guiding the web and the articles along the web and between a pair of t... | 09/12/2006 |
| 7066368 | Paper web draw-in device for a web-fed printing press At least one paper web is drawn into a web-fed rotary printing press. A draw-in device is provided with permanently fixed pointed bars or spikes. These can be moved or oriented so that they penetrate the paper web only during drawing in of the web into the printing ... | 06/27/2006 |
| 7043827 | Device for installing rivets on rivet holding body A device for loading a rivet and the like in a rivet holder belt which can continuously and securely load a large number of rivets and the like to the rivet holder belt includes: a hopper 11 for storing the rivets and the like at random; a chute 14 whi... | 05/16/2006 |
| 6905182 | Elastic crawler An elastic crawler has a crawler body formed like an endless belt out of an elastic material, a plurality of driving projections provided on an inner circumferential surface of the crawler body with a predetermined pitch in the circumferential direction thereof, and... | 06/14/2005 |
| 6705499 | Rollers for guiding paper webs A roller and a device for guiding paper webs to a unit of a rotary printing press includes paper web traction devices. These traction devices may be endless or of finite length. The roller that cooperates with these traction devices includes a passage that receives ... | 03/16/2004 |
| 6533262 | System for feeding a continuous medium including multi-ply media to a processing station with selectable reduction in jamming, wrinkling, or pealing of the media surface An apparatus for reducing friction, tearing, or wrinkling of the surface of a single-ply or multiple-ply continuous medium being fed to a processing station by either sprocket engagement of an edge-perforated medium or pinch roller pressure engagement of ... | 03/18/2003 |
| 6450383 | Method and apparatus for pinless feeding of web to a utilization device A system and method for utilizing web that is free of tractor pin feed holes comprises the driving of the web along a predetermined path within the utilization device. A web guide is provided in an upstream location from a utilization device element. The ... | 09/17/2002 |
| 6450384 | Continuous paper treating apparatus and tractor A continuous paper treating apparatus is provided which includes a tractor for feeding continuous paper and a paper treating unit for treating the paper. The tractor includes a driving belt provided with tractor pins, a tractor lid for covering the drivin... | 09/17/2002 |
| 6279807 | Method and apparatus for pinless feeding of web to a utilization device A system and method for utilizing web that is free of tractor pin feed holes comprises the driving of the web along a predetermined path within the utilization device. A web guide is provided in an upstream location from a utilization device element. The ... | 08/28/2001 |
| 6176411 | Paper transfer apparatus A paper transfer apparatus is provided which is incorporated in an electrophotographic printer having a photosensitive drum for printing on elongated paper. The paper transfer apparatus serves to transfer the elongated paper along a transfer path extendin... | 01/23/2001 |
| 6151924 | Controllable belt tensioner for a yarn delivery device A yarn delivery device for a textile machine has at least one yarn delivery roller, and a drive device for a propulsion of the delivery roller, the drive device including a drive belt, a drive roller with a peripheral section alterable in diameter and at ... | 11/28/2000 |
| 5979732 | Method and apparatus for pinless feeding of web to a utilization device A system and method for utilizing web that is free of tractor pin feed holes comprises the driving of the web along a predetermined path within the utilization device. A web guide is provided in an upstream location from a utilization device element. The ... | 11/09/1999 |
| 5820007 | Method and apparatus for pinless feeding of web to a utilization device A system for utilizing web that is free of tractor pin feed holes comprises the driving of the web along a predetermined path within the utilization device. A web guide is provided in an upstream location from a utilization device element. The guide engag... | 10/13/1998 |
| 5806745 | Adjustable conveyor for delivering thin web materials A web handling apparatus for delivering thin web materials comprises a support frame; a pair of laterally spaced-apart and substantially longitudinally extending frame rails carried by the support frame and positioned to support a web of material delivere... | 09/15/1998 |
| 5797530 | Sheet feed tractor A second frame 12 is arranged at a predetermined position with respect to a drive sprocket 15 engaged with a drive shaft DS through a substantially true-circular hole shape drive bearing bore 14, and a transferring belt 25 is supported by a belt guide 18 ... | 08/25/1998 |
| 5691908 | Method for actuator identification during the transverse profile control of a continuous material web A number of identified actuators are adjusted by identical absolute values which have an effect on a web end only within a noise level. A series of transverse profile measurements are then carried out, from which in each case a previously determined mean ... | 11/25/1997 |
| 5595334 | Vacuum and tractor drive for paper web Apparatus for transporting a web of paper having tractor holes along only one margin thereof. The apparatus includes: a tractor drive having a first pair of pulleys and a first belt mounted on the first pair of pulleys, the first belt having a plurality o... | 01/21/1997 |
| 5515149 | Sheet feed mechanism with speed feeders A sheet feed mechanism utilizing a continuous form sheet, with a plurality of equally spaced sprocket holes formed on both side edges thereof in the direction along a straight sheet feed path, is fed between a photoconductive member and transfer member. E... | 05/07/1996 |
| 5474220 | Successive sheet feed mechanism A sheet feed mechanism including a first tractor slidably mounted onto a drive shaft and a guide shaft respectively disposed between a first and a second frame of the printer. A wire is passed through the first tractor and is stretched between the first a... | 12/12/1995 |
| 5386280 | Electrophotographic imaging apparatus with continuous form feeder located after fixing device An electrophotographic imaging apparatus using a continuous form recording sheet is provided, in which the recording sheet carrying an unfixed toner image is passed through a fixing device and the toner image is fixed thereon. The imaging apparatus includ... | 01/31/1995 |
| 5354139 | Paper feed system having mechanisms engaging opposite edges of print paper above and below print station of printer Each of a pair of spaced apart paper feed mechanisms within the paper feed system of a dot matrix line printer has opposite upper and lower portions thereof slightly angled relative to each other and disposed on opposite sides of and close to an elongated... | 10/11/1994 |
| 5350100 | Paper feed device for the transfer station of a printing device with latent character image generation A paper feed device for feeding continuous stationery (12), provided with lateral perforations, into the transport elements (44) of a transfer station (17) of a non-mechanical printing device, in which paper feed device the transfer station (17) has in th... | 09/27/1994 |
| 5305068 | Continuous paper feed prevention lock mechanism for printer A printer, for printing on continuous recording paper, includes tractors disposed in the recording paper feed path of the printer, with each of the tractors circumferentially travelling in synchronism with movement of the continuous recording paper when t... | 04/19/1994 |
| 5284285 | Bearing assembly and web feed device incorporating same A relatively low cost, low friction plastic needle bearing assembly uses a unitary plastic circular member with multiple frangibly attached substantially cylindrical needles axially inserted into a cover. A plastic needle separator housing element provide... | 02/08/1994 |
| 5248073 | Articulating paper sensor An articulating paper sensor for sensing the presence of continuous paper in a tractor drive assembly for transporting continuous paper along a travel path. The articulating paper sensor comprises a body having a portion including a sensing element for de... | 09/28/1993 |
| 5232140 | Mechanism for positioning tractors Apparatus for use with a printer which has a pair of tractors that engage sprocket holes in the paper to adjust for different paper widths or to adjust the lateral position of the paper. The apparatus comprises a pair of coaxial lead screws, one attached ... | 08/03/1993 |
| 5188269 | Sheet feeding device having a paper presser plate to which a variable bending moment is applied A sheet feeding device for feeding paper in a predetermined direction while a paper presser plate keeps the paper pressed to a sheet feeding mechanism. The sectional shape of the paper presser plate is modified according to the distribution of a bending m... | 02/23/1993 |
| 5183348 | Printer having tractor unit attachable to one of upstream and downstream sides of platen To prevent concurrent mounting of two tractor units on an upstream side and a downstream side of a platen of a printer, a rocker member is pivotally mounted by a pivot pin on a side plate of a chassis to which the tractor unit is attachable. The rocker me... | 02/02/1993 |
| 5181641 | Tractor feed for perforated webs A tractor feed mechanism combines, in a unitary assembly, components which provide the capabilities of separate, independent, left and right-hand tractors and their support and drive shafts. The assembly has fewer parts than a tractor feed using separate ... | 01/26/1993 |
| 5172843 | Structures of driving and driven sprockets and belt reception rotary member in paper feed apparatus A paper feeding tractor in which perforated paper is fed by a pin carrying feed belt includes a feed belt driving sprocket which is housed between a pair of side frames. Two side faces of an inner circumferential portion of the sprocket body, except an ou... | 12/22/1992 |
| 5165586 | Paper feed apparatus equipped with feed belt supporters A paper feed apparatus including a pair of side frames connected together so as to face one another with a predetermined gap therebetween, an endless feed belt mounted between the pair of side frames, a driving sprocket engaged with the endless feed belt ... | 11/24/1992 |
| 5163593 | Clamper of paper feed tractor A clamp is used for clamping a paper feed tractor to a support shaft at a predetermined distance from another paper feed tractor. The clamp comprises a semi-cylindrical elongated clamp guide member which is cantilevered from a frame of the paper feed trac... | 11/17/1992 |
| 5156476 | Paper feed mechanism A paper feed mechanism for feeding fan-fold paper into a printer, a typewriter, or the like has a drive roller, an idler roller, and a pin belt trained around the drive and idler rollers and having a series of pins for engaging in perforations of the fan-... | 10/20/1992 |
| 5139190 | Document feed tractor with height adjustable web support surface A document feed tractor in which pins which drive the paper upon entry into perforations in margins of the paper along the edges thereof are connected to a belt on beams cantilever mounted thereto. A guide and support bar holds the beams and the pins down... | 08/18/1992 |
| 5135148 | Forms feed tractor for a printer A tractor mechanism has an endless pin belt entrained around spaced drive and idler sprockets mounted between a pair of frame members. The idler sprocket is supported by a carrier movable longitudinally by springs to apply tension to the belt. The edges o... | 08/04/1992 |
| 5131578 | Clamper of paper feed tractor A clamp for a paper feed tractor for clamping a paper feed tractor to a support shaft. Such a clamp is used for clamping the paper feed tractor to the support shaft at a predetermined distance from another paper feed tractor which corresponds to a width o... | 07/21/1992 |
| 5127568 | Lid for sheet feed tractor In a sheet feed tractor, a lid confines a paper sheet on a frame surface when the paper sheet is conveyed on a belt. The lid is constructed so that it can overrun and return to its normal open position. The lid is constructed so as to include a lid member... | 07/07/1992 |
