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Class Information
Number: 400/124.24
Name: Typewriting machines > Typing by other than type-face or type-die > Character formation by impact (e.g., wire matrix) > Printhead > Impact member guide
Description: Subject matter including significant structure of means for directing the impact member towards the record-medium*.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7331726 |
Armature, wire dot printer head and wire dot printer |
Feb. 19, 2008 |
| 7329059 |
Wire dot printer head and wire dot printer |
Feb. 12, 2008 |
| 6776545 |
Impact dot print head and a printer including the same |
Aug. 17, 2004 |
| 6695495 |
Constant density printer system |
Feb. 24, 2004 |
| 5674015 |
Arrangement of actuators and tip ends in a wire dot print head |
Oct. 7, 1997 |
| 5540508 |
Print head for an impact dot printer |
Jul. 30, 1996 |
| 5527118 |
Wire dot print head and method for manufacturing same |
Jun. 18, 1996 |
| 5482387 |
Dot print head and method of control over printing therewith |
Jan. 9, 1996 |
| 5449239 |
Impact dot head with resiliently mounted wire guide |
Sep. 12, 1995 |
| 5433538 |
Wire guide in a wire dot print head |
Jul. 18, 1995 |
| 5238313 |
Dot matrix printer with improved wire guide |
Aug. 24, 1993 |
| 5236266 |
Stacked print wire driving device for wire type dot printer |
Aug. 17, 1993 |
| 5127749 |
Method of repairing printheads and product thereof |
Jul. 7, 1992 |
| 5083876 |
Print wire alignment in a wire dot printer |
Jan. 28, 1992 |
| 5048985 |
Wire guide device for wire dot printer |
Sep. 17, 1991 |
| 5011308 |
Releasing type dot printer head |
Apr. 30, 1991 |
| 4950092 |
Wire dot print head with a pair of guide nose halves |
Aug. 21, 1990 |
| 4915524 |
Print wire guiding device for wire type dot printer |
Apr. 10, 1990 |
| 4909646 |
Printer head in which a printing end can be readily machined without being obstructed by a protecting member therefor |
Mar. 20, 1990 |
| 4802781 |
Dot matrix printer having increased impact force and higher operating frequency |
Feb. 7, 1989 |
| 4767226 |
Print head with wires which continuously contact the tip guide |
Aug. 30, 1988 |
| 4662764 |
Ruby and needle guiding group for needle printing head |
May. 5, 1987 |
| 4641981 |
Dot matrix print head |
Feb. 10, 1987 |
| 4637743 |
Matrix printer and inker for indefinite length articles |
Jan. 20, 1987 |
| 4634302 |
Actuator for dot matrix printhead |
Jan. 6, 1987 |
| 4610554 |
Ink composition and wire dot printer including same |
Sep. 9, 1986 |
| 4567570 |
Electronic control system for a linearly slanted print head |
Jan. 28, 1986 |
| 4552716 |
Method for manufacturing a wire matrix print wire guiding device |
Nov. 12, 1985 |
| 4548521 |
Dot matrix print head |
Oct. 22, 1985 |
| 4547085 |
Dot printer head |
Oct. 15, 1985 |
| 4501506 |
Dot matrix print head |
Feb. 26, 1985 |
| 4447166 |
Printing head of dot printer |
May. 8, 1984 |
| 4365902 |
Wire matrix print head |
Dec. 28, 1982 |
| 4309116 |
Print head assembly of wire dot matrix printer |
Jan. 5, 1982 |
| 4293232 |
Bearing for the printing head of a matrix printer, and printing head comprising such a bearing |
Oct. 6, 1981 |
| 4240756 |
Optimized wire matrix impact print head |
Dec. 23, 1980 |
| 4226544 |
Wire printing heads |
Oct. 7, 1980 |
| 4211494 |
Device for guiding the printer needles in a mosaic needle printer |
Jul. 8, 1980 |
| 4185929 |
Wire matrix print head assembly |
Jan. 29, 1980 |
| 4180333 |
Bearing for the printing head of a matrix printer, and printing head comprising such a bearing |
Dec. 25, 1979 |
| 4158909 |
Method of making a head for a mosaic printer |
Jun. 26, 1979 |
| 4154541 |
Printer head assembly |
May. 15, 1979 |
| 4141661 |
Guide system for wire matrix printing |
Feb. 27, 1979 |
| 4110884 |
Method for making dust cover for printing needles |
Sep. 5, 1978 |
| 4091909 |
Wire matrix printer printhead assembly |
May. 30, 1978 |
| 4084678 |
Printer needle guide means for mosaic printers |
Apr. 18, 1978 |
| 4081067 |
Internal vibration dampening means for printing mechanism |
Mar. 28, 1978 |
| 4060161 |
Vibration dampening means for printing mechanism |
Nov. 29, 1977 |
| 4047606 |
Head for needle printer |
Sep. 13, 1977 |
| 4046303 |
Method of making needle guide devices for mosaic printers |
Sep. 6, 1977 |
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