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Class 400/616.3 - Pin wheel (e.g., on platen cylinder)


Subclass of Class 400 - Typewriting machines
Definition: Subject matter wherein the means for moving a web of record-medium* includes
No. of patents: 66
Last issue date: 06/11/2002


1    
NumberTitleIssue Date
6401616Method and material for making a coating blanket for use in printing presses
A method for cutting coating blanket material for use in a printing press includes providing a cutting apparatus having a frame and a cutting surface extending across the frame. A support is mounted to the frame adjacent and approximately parallel to the ...
06/11/2002
5868507Plotter having sprockets for driving sheets relative to a tool carriage and a fixed sheet support extending between the sprockets
In a sprocket-driven plotter, a pair of drive sprockets are spaced apart from each other and keyed to a common sprocket shaft, and a drive motor is drivingly connected to the shaft to rotatably drive the sprockets, and in turn move the sheets engaged by t...
02/09/1999
5810494Apparatus for working on sheets of sheet material and sheet material for use therewith
An apparatus for printing, cutting or otherwise working sheets of sheet material has a friction sheet advance mechanism and a sheet loading mechanism in advance of the feed mechanism having rows of sprocket pins cooperating with complementary rows of spro...
09/22/1998
5603579Paper transfer apparatus and printer using the same
A paper transfer apparatus for transferring a recording paper by rotating a first and second sprocket wheels having a plurality of pins to be engaged with sprocket holes disposed on both sides of the recording paper comprising a first paper guide for form...
02/18/1997
5551786Apparatus for making a graphic product
A method and apparatus for preparing graphic products utilizes a printer to print on sheet material and a cutter to cut the sheet material with the printed material within the periphery of the cut edges. Both the printer and the cutter are controlled by m...
09/03/1996
5345293Feeder of continuous documents for a copy machine
A feeder of continuous documents for a copy machine comprising an upper frame having a pair of support walls, a cover formed at one end of said upper frame and provided at its upper end with an extension, and a lower frame adapted to define a path for tra...
09/06/1994
5244293Method for positioning web-shaped recording substrates in printing devices
An occurring positioning error is electronically corrected during the positioning of edge-perforated continuous form paper (10) in a print position (PP) relative to a print station (13) of a printing device (1). Edge perforation holes (EH1 . . . EHv) on t...
09/14/1993
5199806Apparatus for feeding individual sheets of paper as well as continuous fan fold paper utilizing a platen
A paper feeding apparatus for feeding fanfold paper to a printer is provided. A cylindrical platen is rotatably mounted in the printer. A paper feeding tractor is provided upstream from the platen in a paper feeding direction. A power mechanism drives the...
04/06/1993
5188270Sheet conveyor having retractable pins held in a wheel for openings in a sheet
A sheet conveyor for conveying a sheet by engaging an engaging member with openings formed in a sheet and conveying the sheet by displacement of the engaging member. The conveyor includes a holding device for holding the engaging member so as to be movabl...
02/23/1993
5092690Portable printer
A portable printer including paper feed apparatus for utilizing sheet, roll or continuous form paper. The paper feed apparatus having pin feed drive members and friction rollers for feeding all three forms of paper. The printer also includes apparatus for...
03/03/1992
5080514Pin-feed apparatus for recording systems
The present invention provides a pin-feed apparatus suitable for use in a recording system, including pin-wheels adapted to operatively engage perforations on a sheet to be carried through the recording system, at least one of the pin-wheels being adjusta...
01/14/1992
5080272Device for improved control in the transport of edge-perforated paper webs in printers
A device for the feeding or advancement of an edgeperforated paper web (1) in a dot-matrix printer or the like includes a pair of drive belts (3) transversely spaced apart proximate opposite transverse edges of the web, each belt carrying on its upper sur...
01/14/1992
5064305Pin platen mechanism
A pin platen mechanism includes coiled springs mounted in respective retaining holes formed in a sprocket wheel for biasing respective sprocket pins to the outside at all times. A cam groove in a cam member has freely fitted therein projections of the spr...
11/12/1991
5040912Printer having a top cover with an access shutter
In a printer, a recording medium can be fed into and drawn out of a body through a rear opening formed in the body. A top cover assembly including a top cover and a shutter is angularly movable relatively to the body between an open position permitting ac...
08/20/1991
4953997Tractor units for push-pull printer
A push-pull printer includes at least one tractor unit thus is formed to have both a pull function and a push function. Fork-like mounting portions are respectively formed at lower portions of a pair of frames provided at both ends of the tractor unit. A ...
09/04/1990
4875790Printing device having gear connected multiple feed paths
A printing device wherein a cut-form printing sheet and a serial-form printing sheet is selectively in use is disclosed. The disclosed printing device is characterized by: first sensing means for detecting the position of an idler gear which selectively t...
10/24/1989
4867363Web loading and feeding system
A web loading and feeding system comprises an elongated web and a web loading and feeding machine. The web is fed longitudinally of itself through the machine by a pair of drive sprockets having pins which cooperate with holes in side edge portion of the ...
09/19/1989
4865478Retractable pin sheet feed mechanism
A retractable pin sprocket drive for feeding paper employs free floating, radially moving, cam actuated sprocket pins in axially spaced sprocket hubs forming sprocket wheels. The pins are slidably fitted in equally angularly spaced radial slots in each sp...
09/12/1989
4836430Paper feed apparatus
A paper feed apparatus for a printer, having a belt type paper feed mechanism and a feed wheel both mounted on a frame. The belt type paper feed mechanism is of a construction in which a driving sprocket and two driven sprockets are arranged so that the r...
06/06/1989
4826335Recording apparatus having a rotatable cover including a guide for guiding a non-continuous record sheet to a recording head and having another guide for guiding a continuous record sheet having holes therein to the recording head
A recording apparatus including a body having a case, a first feeding device, a guide portion, a second feeding device, and a cover. The first feeding device feeds a record sheet to a recording position by frictional force. The guide portion guides a cont...
05/02/1989
4822192Document feed device with pin tractor assembly
A document feed device provided with a pin tractor assembly which includes a pin tractor member supporting a number of feed pins and rotated by a feed shaft, and a body member nonrotatably mounted on the tractor member. Elastically deformable projecting b...
04/18/1989
4822190Combination of a printer and continuous feeder
A printer for printing characters through a printing ribbon on printing paper placed on a platen by moving a carriage along the platen and driving a printing head on the carriage. The platen is placed in the rear end portion of the printer frame. An openi...
04/18/1989
4815878Printing apparatus and a paper controlling method for a printer wherein paper slack is cancelled
A printing apparatus and a paper controlling method for a printer in which, upon activating a power source or upon changing over to the on-line mode or upon switching to a high paper feed speed, a paper feed motor is rotated first reversely to draw back p...
03/28/1989
4774525Thermal transfer type multicolor printer
A thermal transfer type multicolor printer including: a frame; a sprocket wheel, rotatably mounted to the frame, for feeding a printing paper, having feeding holes, in one of both a forward direction and a reverse direction in a selective manner, the spro...
09/27/1988
4759649Dual axis paper drive
Method and apparatus are provided for moving perforated continuous paper (10) through a dual axis printer (12), with both axes (14, 30) driven, while regulating the feed with the perforations and maintaining a controlled tension (38a) in the paper between...
07/26/1988
4752145Variable length paper guide for paper tractors in printer facilities
The device for paper guidance in printing facilities comprising a paper tractor that transports continuous form paper comprises a plurality of paper guide elements displaceably arranged on a transport shaft dependent on the width of the paper. Compression...
06/21/1988
4732501Method and apparatus for loading of a web into a printer
A method and apparatus for loading a web into a printer is disclosed. The apparatus has a normal mode for moving the web in normal operation and a load assist mode for operating at a slower than normal rate for loading the web into the printer. The printe...
03/22/1988
4729682Document feed device with pin tractor assembly
A document feed device provided with a pin tractor assembly which includes a pin tractor member supporting a number of feed pins and rotated by a feed shaft, and a body member nonrotatably mounted on the tractor member. Elastically deformable projecting b...
03/08/1988
4674899Recorder with improved paper feeding including multiple feed paths for selective feeding of webs and cut sheets
A recorder comprises a recorder body including a case, holding means for holding continuous record paper sources such as, an elongated record form stack, and a record paper roll, guide structure for guiding a record paper taken out of the record paper sou...
06/23/1987
4637537Paper feeder for a printer
A paper feeder unit for a printer is provided adjacent to a platen to feed a paper web to the platen. The unit has a sprocket wheel for feeding the paper web, and a paper holder rotatably mounted on a case so as to hold the paper web on the sprocket wheel...
01/20/1987
4636100Paper feed mechanism for recording apparatus
A paper feed mechanism for use in a recording apparatus includes a rotatable platen, a printing unit disposed in confronting relation to the platen and movable axially of the platen for printing the recording paper against the platen, a plurality of teeth...
01/13/1987
4619538Adjustable load, friction feed, quick tear bar mechanism
An adjustable load tear bar mechanism for a friction feed platen (15) that comprises a tear bar assembly (31) and spring loading mechanisms (33) is disclosed. The tear bar assembly (31) comprises a tear bar (51) mounted between a pair of side arms (41, 43...
10/28/1986
4619388Automatic paper sheet supplying apparatus
An automatic paper sheet supplying apparatus to be used in combination with a paper sheet processing apparatus having a motor, comprises a pair of side plates mounted on the processing apparatus, a plurality of connecting bars connecting the side plates, ...
10/28/1986
4605209Longitudinal folding apparatus for traveling webs, particularly paper webs received from a rotary printing machine
To permit easy threading of a plurality of paper webs through rollers which have projecting pins thereof to provide for positive feed of the paper webs by perforating the paper webs, the pins are located such that they can be selectively positioned below ...
08/12/1986
4591404Hand-held electrically selectable labeler
There is disclosed a hand-held labeler having a print head with electrically selectable printing elements for printing and applying pressure sensitive labels. The labeler has a housing with a handle and structure for mounting a roll of pressure sensitive ...
05/27/1986
4571104Retractable pin sprocket wheel assembly
A platen assembly, including a cylindrical platen, for advancing a web of record material through a printing device, the record material having perforations along its borders for receiving pins disposed in pin sprocket wheel assemblies mounted on opposite...
02/18/1986
4569610Multi-function document transport system for printers
The document transport system includes improved document drive and guide means to permit the optional feeding of a continuous web document or the feeding of individual cut form documents through the printer. A continuous web document can be fed through th...
02/11/1986
4501510Apparatus for feeding sheets of material and continuous webs in printers and typewriters
A feed mechanism for sheets of material or continuous webs in a printer or typewriter, comprising a pin wheel feed mechanism for the feeding of continuous webs and a friction feed mechanism for the feeding of sheets of paper as well as the webs. The pin w...
02/26/1985
4500023Paper feeding apparatus for printers
A paper feeding apparatus for use in a printer is capable of feeding both continuous computer or fan-fold paper having holes in the peripheral edges thereof and single sheets of paper such as letter paper. The paper feeding apparatus includes a frame havi...
02/19/1985
4446790Printer with removable print carriage
A compact data printer has a printing assembly cantilevered from a pedestal containing the power and control electronics. A tractor feed within the printing assembly draws the print medium (e.g. fan-folded paper) vertically from a supply stack and dischar...
05/08/1984
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