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Class Information
Number: 400/645.1
Name: Typewriting machines > Sheet or web (e.g., record-medium feeding mechanism) > Including sheet guide (e.g., for sheet insertion, etc.) > Sheet holddown member (e.g., "paper-finger", end-of-page holddown, etc.) > With aperture or notch (e.g., for typing therethrough, etc.)
Description: Subject matter wherein the member has a hole therethrough or a portion cut out of an edge thereof, which hole or cut-out portion is located adjacent the print-point* of the typewriter and serves to permit a type-face* to impact the record-medium* through the hole or cutout portion.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6808259 |
Controlling media curl in print-zone |
Oct. 26, 2004 |
| 6318919 |
Pressure device for printers |
Nov. 20, 2001 |
| 5564847 |
Media handling in an ink-jet printer having guide ribs |
Oct. 15, 1996 |
| 4960337 |
Ribbon mask for a printer |
Oct. 2, 1990 |
| 4904098 |
Flexible print ribbon shield |
Feb. 27, 1990 |
| 4874264 |
Selective magnetic attachment of a print head to a drive belt |
Oct. 17, 1989 |
| 4801223 |
Mask structure for type belt of printer |
Jan. 31, 1989 |
| 4760785 |
Printer with rotating hammers |
Aug. 2, 1988 |
| 4757760 |
Wire mask for a dot printer head apparatus |
Jul. 19, 1988 |
| 4747718 |
Automatic cut-sheet feeder for printers |
May. 31, 1988 |
| 4712935 |
Blank document guard in a check writing machine |
Dec. 15, 1987 |
| 4623139 |
Paper transporting mechanism of a printer |
Nov. 18, 1986 |
| 4569606 |
Printer apparatus |
Feb. 11, 1986 |
| 4497588 |
Printing or typing apparatus with a rotating platen as well as guide devices for the paper |
Feb. 5, 1985 |
| 4410291 |
Antinoise device for impact serial printers |
Oct. 18, 1983 |
| 4359937 |
Dot matrix printer |
Nov. 23, 1982 |
| 4348125 |
Paper guide mechanism of printer |
Sep. 7, 1982 |
| 4165188 |
Ribbon mask and guide for dot matrix impact printers |
Aug. 21, 1979 |
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