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Class Information
Number: 400/53
Name: Typewriting machines > Including adjustment means to compensate for wear
Description: Subject matter whereby attrition of a typewriter part occurs during use of the typewriter, and wherein significance is attributed to changing the position of such part relative to another part to counteract such attrition.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5873306 |
Self-compensating tensioner |
Feb. 23, 1999 |
| 5797690 |
Printer and method of adjusting print density |
Aug. 25, 1998 |
| 5649773 |
Shuttle matrix line printer with print head service diagnostic and method |
Jul. 22, 1997 |
| 5466077 |
Split bushing mounting of a printer carriage with pre-load |
Nov. 14, 1995 |
| 5348404 |
Split bushing mounting of a printer carriage with pre-load |
Sep. 20, 1994 |
| 5332321 |
Two line contact bushing mounting of a plotter carriage with pre-load |
Jul. 26, 1994 |
| 5074684 |
Dot printer device having a control unit to print horizontal lines |
Dec. 24, 1991 |
| 4930101 |
Microprocessor-controlled meter package for a printer |
May. 29, 1990 |
| 4894614 |
Apparatus for measuring the center-to-center distance between point wires of print solenoids |
Jan. 16, 1990 |
| 4878072 |
LED age correction means |
Oct. 31, 1989 |
| 4865475 |
Printer adjusting the print hammer position for precise printing |
Sep. 12, 1989 |
| 4818129 |
Method for correcting bidirectional printing alignment of a serial dot printer |
Apr. 4, 1989 |
| 4799071 |
Dot printer with age compensation means |
Jan. 17, 1989 |
| 4740092 |
Printhead shifting for wear distribution |
Apr. 26, 1988 |
| 4664543 |
Device for monitoring and compensating for changes in the flight time of the print hammers of impact printers |
May. 12, 1987 |
| 4318625 |
Stepper motor load tuning |
Mar. 9, 1982 |
| 4209260 |
Wire matrix print head having reversible wire drive armatures to allow wire wear compensation |
Jun. 24, 1980 |
| 4000801 |
Print wire attachment |
Jan. 4, 1977 |
| 3951249 |
Drive for the movable portion of a printer |
Apr. 20, 1976 |
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