Tachograph for a motor vehicle

A technology for driving recorders and motor vehicles, which is applied in the registration/indication of vehicle operation, instruments, typewriters, etc., can solve the problems that the position of data cannot be reliably guaranteed and deviation occurs, and achieve reliable alignment, simple structure, and elimination of effect of error

Inactive Publication Date: 2009-06-24
CONTINENTAL AUTOMOTIVE GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, a disadvantage of this known tachograph is that deviations can occur between the printing device and the visible grid of the area to be printed on the paper roll, so that the position of the data relative to the visible grid cannot be reliably obtained. guarantee
These deviations can be produced, for example, by skewing of the spiked rollers

Method used

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  • Tachograph for a motor vehicle
  • Tachograph for a motor vehicle
  • Tachograph for a motor vehicle

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0018] figure 1 A tachograph 1 for a motor vehicle is shown in longitudinal section with a front panel 2 and a printer drawer 3 for receiving a paper roll 4 . A paper web 5 is wound on the paper roll 4 , which is fed by means of a drive 6 to the printing unit 7 and from there to the gap 8 on the front panel 2 . The printing device 7 and the drive device 6 are connected to an electronic control unit 9 . The paper strip 5 printed by the printing unit 7 exits through the gap 8 on the front panel 2 and can be torn off. Furthermore, the electronic control unit 9 can be equipped with a sensor (not shown) which scans also not shown markings on the paper strip 5 .

[0019] figure 2 shown from figure 1 Drive 6 in middle position II. It can be seen here that the drive device 6 has a drive roller 11 driven by an electric motor 10 and a counter roller 12 facing it. The mating roller 12 is elastically pre-pressed against the drive roller 11 and is tapered. The paper web 5 is presse...

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PUM

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Abstract

In a tachograph (1) for a motor vehicle having a holder for a paper strip (5), which is wound onto a paper roll (4), and a printing unit (7), means for prestressing the paper strip (5) against a stop (13, 17, 20) are provided. This reliably keeps the paper strip (5) in an envisaged position with respect to the printing unit (7). A printout produced by the printing unit (7) is thus oriented on the paper strip (5) with respect to a zero line (15).

Description

technical field [0001] The invention relates to a tachograph for a motor vehicle, comprising: a receptacle for a paper tape wound on a paper roll; a printing device for accurate presetting of the area to be printed relative to a reference line output data at a position where the reference line extends longitudinally through the tape in a predetermined direction of movement; and a drive device for driving the tape. Background technique [0002] Known tachographs generally have spiked rollers, the spikes of which enter the edge perforations of the paper tape and ensure that the paper tape is fed below the printing unit. The edge perforations of the paper tape are used to align the printing device relative to the area to be printed, on which a grid with reference lines is usually arranged. When inserting a new paper roll, adjust the printing device to a reference position relative to the area to be printed. This adjustment should ensure that the data, for example a graph of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G07C5/00B41J3/00
CPCG07C7/00B41J15/16B41J3/445B41J15/02
Inventor 克劳斯·胡格赫伯特·基尔纳本杰明·塞格哈拉尔德·特兰佩尔特托尔斯滕·瓦勒尔
Owner CONTINENTAL AUTOMOTIVE GMBH
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