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Class 346/139D - Lead-screw drive means


Subclass of Class 346 - Recorders
No. of patents: 30
Last issue date: 07/03/2007


NumberTitleIssue Date
7237872High resolution multicolor ink jet printer
A high resolution ink jet printer includes a rotating drum and a pair of ink jet heads scanned along a substrate carried by the drum in a direction parallel to the axis of the drum. The heads are driven by a lead screw coupled to the drum drive shaft and a control u...
07/03/2007
6515691Lead screw and write engine using same
A lead screw assembly (251) for preventing axial movement of a lead screw (250) within a write engine system (200) includes a threaded shaft (252) having a ball end (263) and a first member attached to the ball end (263). A second member is arranged to be...
02/04/2003
6476849Image processing apparatus with internal scanner
An image processing apparatus (10) for scanning and proofing an image at the same time includes: a) a rotatable drum (300) having a hollowed out interior port ion (304), and an imaging portion (461) on its exterior surface, and a scanning portion (462) on...
11/05/2002
6208368Removable lead screw assembly for an image processing apparatus
An image processing apparatus (10) comprises an imaging drum (300) for holding print media (32) and donor material (36) in registration on the imaging drum (300). A print head (500), driven by a lead screw (250), moves along a line parallel to a longitudi...
03/27/2001
6050673Recording apparatus with control of carriage driving motor
A recording apparatus for recording on a recording medium by use of a recording mechanism which travels along the recording medium comprises a carrier which enables the recording mechanism to travel along the recording medium, the carrier being capable of...
04/18/2000
6014162Vacuum imaging drum with media contours
The present invention is for an image processing apparatus (10) for sheet thermal print media. The image processing apparatus (10) comprises a vacuum imaging drum (300) for holding thermal print media (32) and dye donor sheet material (36) in registration...
01/11/2000
5997119Magnetic arrangement for printhead positioning in an image processing apparatus
An image processing apparatus (10) for sheet thermal print media. The image processing apparatus (10) comprises a vacuum imaging drum (300) for holding thermal print media (32) and dye donor material (36) in registration on the vacuum imaging drum (300). ...
12/07/1999
5973717Adjustable lead screw for changing resolution and for station-to-station, machine-to-machine, or swath-to-swath corrections
The present invention is for an image processing apparatus (10) for sheet thermal print media. The image processing apparatus (10) comprises a vacuum imaging drum (300) for holding thermal print media (32) and dye donor material (36) in registration on th...
10/26/1999
5818497Apparatus for magnetically coupling a lead screw to a print head
An apparatus for maintaining a predetermined positional relationship of a screw, the apparatus comprises a ball bearing track having a first and second track member in a spaced apart relationship, and having a ball bearing therein for permitting rotation ...
10/06/1998
5771059Apparatus for preventing axial movement of a lead screw
A lathe bed scanner having a lead screw that is substantially prevented from axial movement, the scanner comprises a first magnet integrally attached to the lead screw. A second magnet disposed opposite said first magnet for attracting the first magnet, w...
06/23/1998
5432539Printhead maintenance device for a full-width ink-jet printer including a wiper rotated by a lead screw
An ink-jet printer comprises a printhead including a front face defining an array of nozzle openings for the emission of ink droplets therethrough. A shuttle, including a wiper closely associated therewith, is disposed on a track adapted for the traveling...
07/11/1995
5402156Slow scan stitching mechanism
A translatable information transfer device, such as ink jet printhead, is stepwise advanced by a mechanism consisting of a lead screw axially spring biased at one end, cam surface provided at the other end of the lead screw, fixed cam follower which engag...
03/28/1995
5293531Writing translator mount
An imaging system comprising a source of light movable with respect to a writing element and projectable thereon to generate an image, a focusing system is provided for focusing a light source which generates a first beam of light of a wavelength selected...
03/08/1994
5291214Method and apparatus for scanning a receiving medium
A method and apparatus are disclosed for scanning a receiving medium. The apparatus comprises a motor-driven lead screw which is used to advance a print head relative to a receiving medium supported on a rotatable drum. In order to overcome the problem of...
03/01/1994
5262937Technique for precise color-to-color registration in thermal printers
There is disclosed a method for providing precise color-to-color registration of color dots in a multicolor proof with a thermal printer comprising a CPU and Printer Controller, a Motion Controller, a writing drum, and a writing head coupled to a translat...
11/16/1993
5260721Precision lead screw drive assembly
An imaging system comprising a source of light movable with respect to a writing element and projectable thereon to generate an image, a focusing system is provided for focusing a light source which generates a first beam of light of a wavelength selected...
11/09/1993
5163759Signmaking machine using character forming tool for overlapping impacts and web scoring
A microprocessor controlled signmaking machine (1) including a reciprocating plunger (210) that impacts adhesive sheet material (46, 46a-d) to form a sign (48) including one or more characters separable from the sheet material (46, 46a-d) that can be adhe...
11/17/1992
4856919Pen printer
A pen printer for converting data into printed form on a print sheet placed on a platen. The pen printer comprises a plurality of ink pens and a pen carriage mounted for reciprocating movement above the platen. The pen carriage has a device for removably ...
08/15/1989
4806034Write head controller with grid synchronization
A system for precisely positioning a printing element relative to a rotating drum, as in a drum printer, employs two position signals for alignment purposes. A pair of linear grids is disposed along a path of travel of the printing element for generating,...
02/21/1989
4713887XY table
An XY table for processing an object (22) such as an iron plate, comprising frame (2) having an opening formed thereby, a moving member (2) moving in an X-direction and in a Y-direction at a right angle to the X-direction, a head (21) for cutting, marking...
12/22/1987
4535344Recording apparatus
A recording apparatus comprises a recording head for effecting recording on recording paper, a unit for generating a rotational force, a feed unit for shifting the relative position of the recording head and the recording paper by the rotational force fro...
08/13/1985
4475831Position tracking emitter for a printer with emitter pattern on lead screw
An emiter marking pattern is provided on a lead screw in parallel with the thread of the lead screw. A carriage driven along by the lead screw contains a transducer for sensing the emitter marking pattern on the lead screw to produce electrical output sig...
10/09/1984
4404598Copying and engraving apparatus
In an engraving machine a scanning head on the carriage is positioned adjacent a reader drum, and an opposite cutter head is positioned adjacent an engraving drum. The scanning head is movable sideways so that test runs may be conducted along the side of ...
09/13/1983
4247214Character position control for a matrix printer
An apparatus for generating pulses for both character and individual "dot" strobing, as for example, in matrix printers. The apparatus includes a first stationary synchronization track and a cooperating first movable synchronization track (to move with th...
01/27/1981
4227219Carriage guide mechanism for use in scanning device
A carriage guide mechanism for use in a scanning device wherein in order to facilitate the maintenance and repair of an image reading or recording head such as an ink jet head, carriage guide means are so arranged as to permit the head to move away from a...
10/07/1980
4200876Water level recorder
A water level recorder for use with pressure-sensitive chart paper and having a framework with a lead screw rotatably mounted in the framework. A pulley is secured to the lead screw. The pulley is driven by a tape which is positioned by a float that is ad...
04/29/1980
4050568Stylus carriage drive
A stylus carriage drive comprising a lead screw having a stylus carriage mounted thereon which moves linearly in one direction or the other depending on the sense of rotation of the lead screw. The stylus carriage includes means which cause a print head m...
09/27/1977
4039127Continuous plotter
An apparatus for plotting information, e.g., seismic data, onto a continuous sheet of a recording medium, e.g., photographic film. The film travels from a supply reel, over an advance roller, across a flat exposure surface, and onto a takeup roller. Torqu...
08/02/1977
3970781Apparatus for maintaining the position of a working head in relation to a cylindrical workpiece
In a laser scanning apparatus, in which a laser and a focusing lens are moved in a direction parallel to the cylinder axis during rotation of the cylinder so that the focused laser beam traces out a helical path on the cylindrical surface, the laser and f...
07/20/1976
3965476Laser printing method and system
A non-impact radiant energy printer for producing indicia such as alphanumeric characters on an untreated receiving media such as an ordinary piece of paper. The printer provides memory storage capability for automatically printing textual material togeth...
06/22/1976
 
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