Elastomer drum of line printer

A printer and elastomer technology, applied in the field of printing, can solve the problems of excessive compression coefficient and excessive wear of the roll, achieve the effect of large compression fatigue strength and increase the printing speed

Inactive Publication Date: 2005-01-26
PRINTRONIX INC A DE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In short, the end result is that the drum is subject t

Method used

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  • Elastomer drum of line printer
  • Elastomer drum of line printer
  • Elastomer drum of line printer

Examples

Experimental program
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Embodiment Construction

[0027] Figure 1 shows a partial cross-sectional general view of a roll of elastic backing paper, as well as a print hammer set and related devices. Referring specifically to Figure 1, it can be seen that the mandrel 10 is shown in section. The spool 10 is in substantially longitudinal relationship with a print hammer stack 12 . The print hammer set 12 has a cover 14 thereon which has been secured to the print hammer set with a plurality of threaded components such as screws, bolts or other securing means 16 .

[0028] The printing hammer group 12 can have a plurality of printing hammers 18, and they are all formed on a positioning plate 20, which is fixed to the printing hammer group by threaded fasteners such as screws or bolts 22, and is generally shown in Figure 1A. Orientation of notches 23 and pins 25 pin and notch orientation. Each print hammer 18 can be seen more closely with a print head which will be exemplified below.

[0029] The cover 14 has longitudinal upper a...

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Abstract

A line printer with a hammerbank having print hammers with printing tips and a ribbon supported for impact by the tips for printing on media and a metal platen for supporting the media. An elastomer on the metal platen supports the media and has a layer of material harder than the elastomer extending inwardly from its surface which receives the impacts of the hammer tips. The harder material can be particles extending inwardly randomly from the surface of the elastomer of a ceramic having a sphericity exceeding 0.50 up to 35 percent of the thickness of the elastomer, and in the range of 20 microns to 400 microns in size.

Description

technical field [0001] The invention belongs to the field of printing technology, in particular to impact printing technology. In particular, the present invention relates to printing techniques for printing with hammers released from a hammer set such as in a line matrix printer. These print hammers strike the ribbon against the media to be printed on, which is supported by a roll of backing paper to withstand the impact. Still more particularly, the present invention relates to a roll of backing paper that is struck by a printer's printing hammer. Background technique [0002] Existing impact printers, such as line matrix printers, typically employ a roll of non-resilient rigid backing paper. The web is struck by a plurality of printing hammers with printing heads, emanating from a group of printing hammers. These printheads specifically strike the ribbon and paper or other media between the printhead and the roll. [0003] On the other hand, some liner rolls are made ...

Claims

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Application Information

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IPC IPC(8): B41J11/04B41J11/08
CPCB41J11/08B41J11/04
Inventor Y·G·陈N·E·法伯
Owner PRINTRONIX INC A DE
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