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| Number | Title | Issue Date |
| 7213990 | Ink ribbon cartridge An ink ribbon cartridge, having a frame, a pair of supply shaft connecting members for connecting ends of a supply shaft to the frame, a first take-up shaft connecting member for connecting an end of a take-up shaft to the frame, the first take-up shaft connecting m... | 05/08/2007 |
| 7070347 | Printer with a pivoting gear mechanism A printer, suitable for use in a hand held printer, having a dual direction drive mechanism for driving ink ribbon in a forward feed direction and a reverse feed direction. The drive mechanism is mounted in a printer body, and includes a stationary gear drive assemb... | 07/04/2006 |
| 5005999 | Ink cassette with control means for alternately driving one of two spool bearing therein An ink ribbon cassette includes two rotatable bearings for respective spools, a drive system for alternately rotating one or the other of the two bearings so that a ribbon extending between the spools positioned on the bearings will be moved in opposite d... | 04/09/1991 |
| 4981378 | Apparatus for printing a strip The invention relates to an apparatus for printing stamps, which are cut from a strip (2) drawn from a roll (1). The apparatus has an adjustable printer and a common drive for the non-jerky advance of the strip and for operating a cutting mechanism. An ec... | 01/01/1991 |
| 4342520 | Inkribbon feed mechanism An inkribbon feed mechanism is disclosed which feeds the inkribbon by utilizing power of a spacing motor by which a print head is transversed. The inkribbon feed mechanism comprises commanding means which detect a command element for reversing the inkribb... | 08/03/1982 |
| 4313683 | Microcomputer control of ribbon drive for printers A microcomputer controls a ribbon drive assembly in a high speed wire matrix printer to eliminte ribbon slack, to insure proper ribbon positioning and to conduct diagnostics in conjunction with turning on the printer such as start-up time each day and aft... | 02/02/1982 |
| 4294553 | Ribbon feed mechanism An inked-ribbon feed mechanism comprises an electric drive motor (5), reversible for reversing the ribbon feed direction, and a reversing switch (32) for the motor (5). A roller (31) operating the reversing switch (32) travels along a cam (28, 29) formed ... | 10/13/1981 |
| 4234260 | Device for feeding ink ribbon A device for feeding an ink ribbon for use in a printing machine in which the ink ribbon is reciprocally run by rotating reels on which the ink ribbon is wound. The device has a main drive member, two driven members, a driving force transmission member, a... | 11/18/1980 |
| 4182576 | Ink-ribbon reversing device An ink-ribbon reversing device for use in a printing machine having an ink-ribbon winding mechanism is provided. The device includes two ink-ribbon spools and associated spool gears mounted on separate spool shafts spaced apart from each other. A drive sh... | 01/08/1980 |
| 4114750 | Printer system having local control for dynamically alterable printing A printer system having local control for dynamically positioning a print head relative to a print medium utilizing positioning and print data signal inputs, including a control unit for receiving and storing data inputs, the control unit including circui... | 09/19/1978 |
| 4114751 | Printing machine with automatic off-center crown roller ribbon-wear compensation In order to avoid ribbon rollover in a high speed impact printer, a crown roller, having a crown offset from the roller's center, is used to guide the ribbon. The crown tends to center the ribbon about itself and the roller is dimensioned so that the dist... | 09/19/1978 |
| 4079828 | Apparatus for controlling the bi-directional transport of a flexible web Unidirectional driving torque is applied to the inputs of first and second differential gears. Each differential gear includes an output blocking gear as well as a spool output gear coupled to a spool with a ribbon web transported between the spools. A lo... | 03/21/1978 |
| 4062436 | Matrix head calculator printer A lightweight, extremely compact printer apparatus has a constant speed drive which imparts reversible, translatory motion to a print head; and as the print head is advanced with respect to a platen imparts a direct mechanical drive to a paper advancing r... | 12/13/1977 |
| 4061219 | Printing device A printing device includes a wire printing head provided with a plurality of closely adjacent printing wires movable back and forth with respect to a web of printing paper with inking ribbon interposed therebetween. The device further includes a pair of s... | 12/06/1977 |
