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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 5243379 | Exposure drum mask A mask is used for mounting a sensitized sheet, such as a printing plate, onto the surface of an exposure drum. The mask, acting as an intermediary between the exposure drum and the printing plate, is a flexible sheet, with a top and bottom surface, that ... | 09/07/1993 |
| 5235910 | Blanket cylinder impression throw-off A cylinder setting mechanism for an offset printing device in which a blanket cylinder moves eccentrically about a first pivot point to make contact with the master cylinder so that it can be inked and then subsequently moved eccentrically about a second ... | 08/17/1993 |
| 5203846 | Media feed roll apparatus and method for its use A media feed roll apparatus is provided for the transfer of articles such as envelopes, magazines and newspapers, one by one, from a stack to a transport which conveys these articles to a work station for printing or labeling. The apparatus and methodolog... | 04/20/1993 |
| 5189958 | Plate clamping system for a duplicating machine An improved plate clamping assembly for a duplicating machine which utilizes a pivoted or cantilevered beam in the leading edge plate clamp assembly and a calibrated cocking screw to enabling skewing of the plate on the plate cylinder by moving one end of... | 03/02/1993 |
| 5111218 | System for electronically controlling LED-array image printer A system for controlling an image printer including a scanning LED array is provided. An image printer control unit receives page profile and raster image data and converts the raster image data into parallel image data corresponding to the configuration ... | 05/05/1992 |
| 5103733 | Printing machine with continuous sheet feed mechanism An improved printing machine for moving paper sheets from a paper stack along an endless belt to an impression cylinder with continual movement of the paper sheet without stopping and starting. The instantaneous angular position of the impression cylinder... | 04/14/1992 |
| 5094162 | Offset printing machine A cylinder setting mechanism for a single or multi-color offset printing device in which a blanket cylinder moves eccentrically about a first pivot point to make contact with a master cylinder so that it can be inked and then subsequently moved eccentrica... | 03/10/1992 |
| 5091745 | Full range platemaker optical system A graphic camera/platemaker optical system is described having a copyboard for an original subject, a lens, an image plane and a mirror. The copyboard, lens and mirror are independently movable such that they may move in different directions in order to p... | 02/25/1992 |
| 5084434 | Ink and method for the development of concealed iamges Disclosed is a system for developing latent images on alkali-based or acid based paper stock which has been marked with a water-soluble oxidizing agent to form a concealed image. In the system, a marking composition is applied to said paper stock which co... | 01/28/1992 |
| 5017226 | Ink and method for the development of concealed images Disclosed is a system for developing latent images on alkali-based or acid-based paper stock which has been marked with a water-soluble oxidizing agent to form a concealed image. In the system, a marking composition is applied to said paper stock which co... | 05/21/1991 |
| 4955032 | Method and apparatus for mapping frames of an updatable electrophotographic medium A method and apparatus for electronically mapping an updatable microfiche includes a microprocessor-based analyzer programmed to control and evaluate optical scanning of the imaging frame areas arranged in generally parallel rows and columns. Optical phot... | 09/04/1990 |
| 4890119 | Variable orientation ink catcher A variable orientation ink catcher for use with ink jet printing equipment receives unused ink drops. The drops are returned to the printing system for reuse. The catcher includes an arcuate receiving portion offset from an outlet port. Caught ink flows b... | 12/26/1989 |
| 4860027 | Ink drop control system with temperature compensation A method and apparatus are disclosed which provide feedback control of ink viscosity in a drop marking system. The ink flow between two selected points is monitored and compared against a reference value by an electronic controller such as a microprocesso... | 08/22/1989 |
| 4827280 | Flow rate control system A flow rate control system is disclosed for measurement of ink flow through an ink jet system. The flow rate control system receives an error signal indicative of deviation of flow rate from a set value. The system includes proportional (P), integral (I) ... | 05/02/1989 |
| 4821641 | Dampening and bridging apparatus for a duplicating machine A bridging roller is disposed between the upper form roller of the inking system and the dampening form roller of the dampening system. The bridging roller's mounting means are offset from the axis of rotation of the bridging roller such that selective or... | 04/18/1989 |
| 4518167 | Sealing means An apparatus such as a printing apparatus employing an ink fountain assembly which includes a roller and metering blade, supported between housing walls for purposes of metering ink in the course of a printing operation. Seals are provided for sealing aga... | 05/21/1985 |
| 4495617 | Signal generation and synchronizing circuit for a decentralized ring network A circuit for signal generation and synchronization is disclosed for a ring network in which a number of stations communicate with each other. The circuit, which is provided at each station in the ring, includes a phase locked loop which loosely couples t... | 01/22/1985 |
| 4465800 | Ink composition for ink jet printing An ink composition for use in ink-jet printing to print images on a substrate, the composition being formulated to include, as the resin component, a phenolic resole resin and, as the primary solvent, a lower alkanol. The composition is also formulated to... | 08/14/1984 |
| 4459913 | Adjustment structure for master holder A master sheet carrier which has a bar capable of holding the master sheet by clamping an end thereof, the bar being mounted on a mounting beam which is movable angularly and transversely with respect to the direction of movement of the master carrier, wi... | 07/17/1984 |
| 4434715 | Printing apparatus including serial printing means A printing apparatus including separate serial printing heads mounted on a rotary chase whereby the heads can be selectively positioned for printing on material as the material is transported through the apparatus. The chase is mounted on a support locate... | 03/06/1984 |
| 4397932 | Electrophotographic composition and elements An electrophotographic member having increased sensitivity to a longer wave length formulated of a complex formed by the reaction of Ninhydrin with a tertiary amine and which includes a polyalkenyl carbazole.... | 08/09/1983 |
| 4360817 | Low evaporation ink catcher for ink jet printing system An ink return system for an ink jet printer which directs a portion of the ink projected from a nozzle to a print surface and the remainder to a catcher, the catcher having a receptacle entrance for intercepting the ink stream including a tube with an ent... | 11/23/1982 |
| 4319251 | Ink jet printing employing reverse charge coupling A method and apparatus for ink jet printing are disclosed which employ reverse charge coupling to increase character height. A video signal is utilized to modulate the charge ring voltage. Via a parallel path the ink in the nozzle is reversely charged by ... | 03/09/1982 |
| 4309102 | Original document handler A document carrier includes a transparent cover which is selectively wrapable about the periphery of the carrier for releasably sandwiching the document between the carrier periphery and the cover, the carrier being rotatable about an axis for advancing t... | 01/05/1982 |
| 4292385 | Bi-modal photoreceptor and method A photoreceptor for producing copy in a full form exposure mode and in a laser mode in which the charge generative layer is overcoated with an intermediate charge transport layer which is transparent to light and through which charges can transport and a ... | 09/29/1981 |
| 4268027 | Sheet feeding apparatus A movable platform supports a stack of sheets, with at least a portion of the stack being in a predetermined feed zone where feeding apparatus engages and feeds the sheets, one-at-a-time, from the feed zone into processing machinery. Biasing means continu... | 05/19/1981 |
| 4241658 | Duplicating machine with duplexing capability A system for duplicating images on copy sheets utilizing an impression cylinder. The system provides for transfer of an image to one side of each sheet, and the sheet may then be reversed to locate the sheet on the impression cylinder, trailing edge first... | 12/30/1980 |
| 4236842 | Hammer support for rotary printing apparatus A printing apparatus which includes a support for paper and a plurality of printing dies for making impressions on the paper. A reciprocally driven hammer is employed for causing the dies to form the impressions, and the hammer is supported by spring arms... | 12/02/1980 |
| 4236814 | Transport system for advancing copy sheets through tandem duplicating system In a tandem duplicating system, a transport means conveys a copy sheet from a first printing station where an image is applied to the first side of the copy sheet to a second printing station where an image is applied to the second side of the same copy s... | 12/02/1980 |
| 4234885 | Remote ink valve A system for controlling the flow of pressurized liquid to a head, for example the print-head of an ink jet printing system, through an elastic conduit and including an outer conduit to form a pressurizable jacket surrounding the inner conduit extending b... | 11/18/1980 |
| 4204472 | Duplexing copying system A system for duplicating images wherein a copy sheet is delivered to a first gripper of an impression cylinder. A first image is transferred to one side of each sheet, and each sheet is then released by the first gripper and delivered to a reversing means... | 05/27/1980 |
| 4186662 | Duplexing copying system A system for duplicating images wherein a copy sheet is delivered to an impression cylinder. A first image is transferred to one side of each sheet. Each sheet is then removed from the impression cylinder, delivered to a reversing means and then to the im... | 02/05/1980 |
| 4160982 | Anti-dispersion accumulator for ink jet printing system An ink jet printing system includes an ink ejection head for providing ink drops which are selectively charged and deflected in accordance with their charge as they traverse a path toward a recording medium. An accumulator or "dump" is positioned, in the ... | 07/10/1979 |
| 4157574 | Noise reduction circuit for multiple gap magnetic head for automatic typewriter A noise reductive circuit for use with an automatic typewriter of the type that uses a multiple inductance, multiple magnetic gap head for translating information to and from a magnetic recording media is disclosed which includes an electric circuit betwe... | 06/05/1979 |
| 4155639 | Flexible belt xerographic copier A xerographic copier including a novel photoconductive belt and drive structure is disclosed. The thin metal belt is provided with at least one transverse break or gap and is preferably formed of two belt segments. In use, the break or gap between segment... | 05/22/1979 |
| 4147439 | Ribbon cartridge with improved ribbon tensioning and locking A ribbon cartridge for use in a typewriter and/or printer which cartridge has a supply of ribbon which is fed from within the cartridge across a gap where it is used by a typing or printing mechanism and returned to a driven take-up area, is disclosed, wh... | 04/03/1979 |
| 4121222 | Drop counter ink replenishing system A system for printing with ink droplets each having a known quantity of ink which system has a hydraulic portion including a main ink supply, a supplemental ink supply and a recirculating droplet generating print head and an electronic portion which inclu... | 10/17/1978 |
| 4115289 | Dry powdered or liquid developer compositions An electrophotographic process and materials for the production of multi-color copies of a multi-color original in which an electrostatic charge is applied to a receptor sheet having a face portion subdivided into photoconductive segments containing sensi... | 09/19/1978 |
| 4095236 | Electronic stencil engraving machine stylus and support A support for the stylus used in an electronic stencil cutting machine for burning or engraving information into stencil material mounted for relative movement with respect to said stylus, includes a t-shaped, blade-like body having a free end portion and... | 06/13/1978 |
| 4084122 | Drive circuit for stepper motor A drive circuit for energizing the winding of a stepper motor includes a first amplifier circuit which receives a unipolar input signal and depending upon the amplitude couples a positive or negative voltage potential to one terminal of the winding. A sec... | 04/11/1978 |
