| Patent Number |
Title Of Patent |
Date Issued |
| RE29864 |
Method of and apparatus for multi-galley composition |
December 19, 1978 |
| In a photocomposition machine environment the apparatus and method show the concept of advancing the photosensitive material into position normally occupied for composition of text. The known apparatus and method are then modified by providing reverse leading for the paper and re-advance |
| RE29554 |
Organic photoconductive members comprising dicyanomethylene substituted fluorene sensitizers |
February 28, 1978 |
| Organic photoconductive systems which employ organic polymers containing aromatic or heterocyclic nuclei are combined with amounts of .pi. acid type additives for the purpose of extending the spectral response to the visible portion of the spectrum. The sensitizing compounds are dicy |
| D249797 |
Copying machine |
October 3, 1978 |
|
| 4148582 |
Programmable microfiche duplicator and sorter apparatus |
April 10, 1979 |
| A programmable microfiche duplicator and sorter apparatus is provided, including control means which operate in accordance with input data received from a teletype or other remote input peripheral, or from a code carried by the master film. The input data is stored in memory and defines |
| 4146664 |
Secure property device |
March 27, 1979 |
| A secure property device utilizing radiant energy reflectors applied to a magnetic data member is provided in which the diffusivity of reflections from the reflectors is enhanced by means of a polymeric diffuser which is chemically and optically compatible with the reflectors and with th |
| 4143969 |
Sheet guide apparatus for diazo copying machines |
March 13, 1979 |
| A guide means is provided for guiding diazotype copy sheet material through a developing apparatus over and in contact with a pair of rotatable applicator rollers positioned in axially spaced apart parallel relation. Developer liquid is supplied to the surface of the rollers for developi |
| 4142795 |
Developer apparatus for diazo copying machines |
March 6, 1979 |
| Apparatus is provided for developing diazotype copy material by the application thereto of a quantity of liquid developer and comprises a heated enclosure for housing a pair of rotatable applicator rollers positioned in axially spaced apart parallel relation. Developer liquid is supp |
| 4141640 |
Method and apparatus for developing microfilm |
February 27, 1979 |
| A developing station for developing microfiche includes a pair of closely spaced walls, an inflatable tube defining the developing region of the station, a system for inflating the tube to seal the region, and a member for transporting a copy sheet into the region. The transporting membe |
| 4140056 |
Ink and moisture control system with ink/moisture interface |
February 20, 1979 |
| A lithographic ink and moisture control system is provided for maintaining copy quality over a wide range of operating and environmental conditions without special operator assistance. The control system, among other things, momentarily increases the moisture feed rate each time ink is |
| 4135794 |
Photocomposition machine |
January 23, 1979 |
| A photocomposition machine wherein the lens system includes at least one focusing lens which is moved into point size position by a mechanical drive under a control means which returns the lens carriage to a known reference position prior to a composition routine, which reference pos |
| 4134522 |
Cap assembly and lock for aqueous ammonia container |
January 16, 1979 |
| A cap assembly is provided for use with a container for storing and supplying aqueous ammonia to a diazo type copying machine. The cap assembly comprises a closure member mounted on the container and a key device associated with free ends of an ammonia feed tube and a drain tube conn |
| 4130056 |
Lithographic moisture system and method |
December 19, 1978 |
| A moisture control feed system of the bare-back type in which there is in nip-contact with a moisture transfer roll and the moisture transfer roll is driven solely by the shear resistance offered by the intervening layers at the nip of the ink and the moisture. The system includes an ink |
| 4129266 |
Paper cassette |
December 12, 1978 |
| The drawings illustrate a cassette only, to fit into any machine that uses a paper roll supply and requires accurate alignment of that roll supply with the processing machine. The cassette is bodily urged against one wall of the host machine in order to establish that wall as a reference |
| 4125283 |
Collator unloader |
November 14, 1978 |
| A device for unloading a plurality of individual stacks of paper from individual compartments of a collator simultaneously. The device consists of a multiple set of grippers operated manually by a piston grip ratchet device. The grippers are registered with the stacks of the collator, th |
| 4123268 |
Boron chelates as acceptor type sensitizers for photoconductive polymers |
October 31, 1978 |
| A series of chelated diketones in which the chelated atom is boron can be used as acceptor type sensitizers for polymeric photoconductors of the donor type used in electrophotography. |
| 4122533 |
Multiple language character generating system |
October 24, 1978 |
| A character generating system is provided for a photocomposition machine to display alpha/numeric symbols on a CRT for any language selected from a group of languages. The system includes a character generator memory for each symbol and control means which selects a predetermined set of |
| 4122475 |
Microfiche developer |
October 24, 1978 |
| A microfiche developer of a type which includes upper and lower walls that are slightly spaced to receive a microfiche, and which also includes a seal extending around a region between the plates where the microfiche lies, to seal this region when pressured ammonia or other developer is |
| 4122474 |
Photocopy developing apparatus for diazo film |
October 24, 1978 |
| An apparatus for developing diazotype copy sheets is provided and comprises a duct element having an ingress and an egress end, a distribution element having an ingress end and a closed end, a manifold at the ingress ends of the duct and the distribution elements and a heater element pro |
| 4122473 |
Developer residue waste eliminator for diazo machines |
October 24, 1978 |
| The present invention provides a device for eliminating the residue waste of aqueous ammonia solution, comprising a first portion of ammonia gas and a second portion of steam, of a developer system in an ammonia type diazo machine. The device provides for separating the first and second |
| 4110758 |
High quality printing system with constant intermittent tape drive |
August 29, 1978 |
| A printing system of the type wherein magnetic images are recorded on a tape, the images are toned, the tape is positioned to extend adjacent to a web of paper, and the toner is then transferred from the tape to the paper. In the present system, the tape portion which passes by the image |
| 4106871 |
Contact printer holder |
August 15, 1978 |
| Apparatus for holding a master microfiche in contact with a copy sheet of film in a machine that includes rollers for moving the copy sheet onto the master and then off of it towards a developing station. The holder includes a base or lower frame containing a glass plate, and an upper |
| 4106408 |
Duplicator cylinder construction |
August 15, 1978 |
| Cylinders for lithographic printing machines having hard, non-porous surfaces are made without plating by forming a thin stainless steel sheet into a cylindrical shape and disposing it against the wall of a cylindrical mould. Cast iron is poured into the mould at temperatures substan |
| 4097875 |
Shaft encoder |
June 27, 1978 |
| A shaft encoder of negligible moment of inertia. A grating provides a grid pattern of transmitted light. A mirror on the shaft sweeps the pattern. A lens focuses the sweep over a mask of like grid pattern. A photocell is activated by light transmitted through the mask whenever there is a |
| 4097617 |
Phosphonitrile fluoroelastomer coated carrier particles for use in electrophotographic process |
June 27, 1978 |
| Coated carrier particles for use in an electrophotographic process are prepared by applying a thin coating of a phosphonitrile fluoroelastomer to the surface of the carrier particles. The coated carriers are long lived and capable of imparting a negative triboelectric charge to electrosc |
| 4096761 |
Apparatus and method for incrementally rotating a shaft |
June 27, 1978 |
| An apparatus and method for incrementally advancing a shaft by a selected rotational amount. The apparatus includes a belt trained about a pair of space driven pulleys, the belt forming both first and second runs between the pulleys. Each pulley is associated with a shaft and is mounted |
| 4094674 |
Method of fixing a toner powder image on a sheet of material |
June 13, 1978 |
| A method of fixing a toner powder image on a sheet of material. A substantially flat impact surface is provided, and the side of a sheet opposite to the side carrying a freshly applied toner powder image is placed into contact with the flat impact surface. The surface of the sheet of |
| 4093459 |
Treated carrier particles used in electrophotographic process |
June 6, 1978 |
| Carrier particles for use in an electrophotographic process are prepared by applying a mixture of a perfluoro acid and molybdenum disulfide to the surface of the carrier particle. The resulting carriers have a very thin and effective film deposited on the surface thereof and are long liv |
| 4092922 |
Lithographic ink supply |
June 6, 1978 |
| An ink package comprising a disposable container is provided for supplying ink to an ink fountain of a lithographic duplicating machine and includes a self-contained, sealed package provided with specially configured nozzle means for dispensing ink from the container directly into an ink |
| 4086202 |
Non-aqueous polymeric dispersion and matte coatings produced therefrom |
April 25, 1978 |
| A non-aqueous polymeric dispersion of an acrylic or methacrylic polymer in a non-aqueous continuous phase having a hydrogen bonding index, .delta., greater than 10, a dipole moment, .mu., between 0.5 and 2.5 and a solubility parameter, .delta., less than 8 dries to produce a matte or low |
| 4086088 |
Imaging methods for use with charged particle modulator device |
April 25, 1978 |
| The improved modulator of this invention is constructed by sandwiching a metal screen between a photoconductive layer and an insulating layer which permits processing of the multi-layered element by directing all processing steps against the photoconductive surface so as to provide s |
| 4084510 |
Ink fountain |
April 18, 1978 |
| A novel ink fountain comprises a fountain roller radially approached by an ink supporting doctor blade. In order to retain low viscosity inks in the fountain, the blade must approach very closely to the fountain roller surface without touching it. To accommodate the potentially irregular |
| 4082206 |
Cap assembly for aqueous ammonia container |
April 4, 1978 |
| A cap assembly is provided for use with a container for storing and supplying aqueous ammonia to a diazo type copying machine. The cap assembly comprises a closure member mounted on the container and a key device associated with free ends of an ammonia feed tube and a drain tube conn |
| 4082039 |
Duplicator control by area scanned coded master |
April 4, 1978 |
| There is disclosed an improvement in a system for sensing information encoded on a duplicating original, using the information to control copy processing. A duplicating original is installed onto the surface of a cylinder revolving in the duplication process. The encoded information, in |
| 4080208 |
Photosensitive diazomicrofilm adapted to be readable but nonreproducible upon processing |
March 21, 1978 |
| A translucent sheet bearing opaque graphic intelligence thereon coated with a film which absorbs ultraviolet light, whereby the passage of visible light therethrough projects a legible image while light in the ultraviolet range is not transmitted so that diazotype copies cannot be produc |
| 4080060 |
Copy system |
March 21, 1978 |
| An improved copy system includes a document feeding apparatus which is effective to move a document to an imaging station. An image on one side of the document is then projected on an electrostatically charged sheet to form a first master. The document is then transferred to an inverting |
| 4080056 |
Optical device |
March 21, 1978 |
| An optical device for a micro-image viewer or a micro-image viewer-printer machine receives a projected image of an illuminated micro-image, adjusts the spatial disposition of the projected image in an image plane and transmits the adjusted projected image to a viewing screen for viewing |
| 4078785 |
Sheet handling apparatus |
March 14, 1978 |
| A duplicator is provided having a printing couple for printing on one face of a copy sheet and a collator for collating the copy sheets as they issue from the printing couple, the paper feed paths of the printing couple and the collator being arranged substantially normal to each other. |
| 4078489 |
Sheet handling apparatus |
March 14, 1978 |
| A sheet handling means is provided for use with a duplicating machine. A duplicator is provided having first and second printing couples for printing first on one face of a copy sheet and then on the other and whose paper feed paths are arranged substantially normal to each other. The |
| 4074902 |
Sheet feeder |
February 21, 1978 |
| A combination sheet-feed and utilization machine wherein the sheet feeder comprises an endless belt, or series of belts. The belt is driven in a path which is normally out of contact with a paper sheet stack and when a sheet is to be fed, the run of the belt between end supports is diste |
| 4073980 |
Chemically treated carrier particles for use in electrophotography |
February 14, 1978 |
| Carrier particles for use in an electrophotographic process are prepared by applying a mixture of a perfluoro acid and molybdenum disulfide to the surface of the carrier particle. The resulting carriers have a very thin and effective film deposited on the surface thereof and are long liv |
| 4068838 |
Conveyor and three-roller sheet deflector for sheet distributor |
January 17, 1978 |
| The sheet diverting mechanism of a roller conveyor and belt combination sheet distributor operates in a sequential belt depressing mode by a three-roller deflector in a triangular configuration. The diverting mechanism can move in the direction of paper flow or counter thereto. The m |
| 4068623 |
Magnetic feed system for developer mix |
January 17, 1978 |
| Apparatus for effecting a continuous remixing of magnetic toner material for development of an electrostatic latent image wherein a plurality of magnetic developing rollers are positioned with intersecting magnetic force fields for effecting a blanket of development material extending |
| 4068239 |
Latent magnetic image transfer method and apparatus |
January 10, 1978 |
| A copying machine which includes a thin flexible sheet with a layer of chromium dioxide, a lamp for shining light at the sheet and a document to be copied to form a magnetic image on the chromium dioxide layer, a drum having a layer of nickel cobalt, a transfer head for pressing the shee |
| 4068017 |
Coated carrier particles for use in electrophotographic process |
January 10, 1978 |
| Carrier particles for use in an electrophotographic process are prepared by applying a mixture of a perfluoro acid and polyvinylidene fluoride to the surface of the carrier particle. The resulting carriers are long lived, abrasion resistant and capable of imparting a high triboelectric c |
| 4066255 |
Document transport system |
January 3, 1978 |
| The drawings and specification set forth a structure in which one sheet at a time is dispensed to a utilization device, which is a table top and a belt drag conveyor. As the sheet is dispensed from the feeder, it trips a switch which starts the utilization device and turns off the feeder |
| 4066017 |
Blanket cleaner for duplicating machines |
January 3, 1978 |
| A blanket cleaning apparatus is provided for cleaning ink from a blanket cylinder of a rotary offset duplicating machine. The apparatus comprises a cleaning roller for contact with the blanket cylinder, a wiper roller and a metering roller in contact with each other and with the cleaning |
| 4064804 |
Duplicator and method of duplicating |
December 27, 1977 |
| A duplicator system and method are provided for preparing a lithographic master and for producing duplicated copies from the master in a fully automated system. An ink and moisture system is provided for supplying ink and moisture to a master on a master cylinder. During a pre-inking pha |
| 4063256 |
Photocomposition machine font source |
December 13, 1977 |
| A turret mounted series of photocomposing disc fonts wherein the turret has a series of disc hubs all having a different elevation in order that the disc members may be bunched together in overlapped relationship and hence occupy a minimum area within the photocomposing machine. The adva |
| 4059051 |
Data recorder with portable cartridge |
November 22, 1977 |
| A data recorder is provided including a removable cartridge which carries both a sales form and an underlying log sheet. The fixed and variable data are imprinted by reciprocation of a platen carriage, with return of the carriage to the home position causing ejection of the credit card a |
| 4058057 |
Moisture metering control apparatus |
November 15, 1977 |
| A moisture system control apparatus is provided for metering the rate of feed of dampening fluid from a fountain apparatus including a fountain roller to a master on a master cylinder of a lithographic duplicating machine. The control apparatus comprises a linkage for converting cont |
