EP0441272A1 - Copy holder with a surface to support a sheet-like document - Google Patents

Copy holder with a surface to support a sheet-like document Download PDF

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Publication number
EP0441272A1
EP0441272A1 EP91101405A EP91101405A EP0441272A1 EP 0441272 A1 EP0441272 A1 EP 0441272A1 EP 91101405 A EP91101405 A EP 91101405A EP 91101405 A EP91101405 A EP 91101405A EP 0441272 A1 EP0441272 A1 EP 0441272A1
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EP
European Patent Office
Prior art keywords
ruler
line
support
original
support plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP91101405A
Other languages
German (de)
French (fr)
Inventor
Wolfgang Endres
Horst Mengel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AEG Olympia Office GmbH
Original Assignee
AEG Olympia AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by AEG Olympia AG filed Critical AEG Olympia AG
Publication of EP0441272A1 publication Critical patent/EP0441272A1/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • B41J29/15—Script supports connected to the typewriter or printer

Definitions

  • the invention relates to a concept holder with a platen for a sheet-like template of the type specified in the preamble of claim 1.
  • Concept holders are used to put data or texts on templates into an ergonomically more favorable position for manual entry.
  • many concept holders have already become known which either represent an integrated component in the machine housings or are arranged as an additional device in the vicinity of the machines on a mounting plate.
  • German published patent application 22 43 051 discloses a reading device with a receiving plate receiving a template, which can be held in the correct position approximately at eye level above the transport roller of a typewriter. Furthermore, the template can be forwarded line by line using a transport device when the person operating the machine has completed the entry for a line.
  • This known reading device has a rather complicated structure and is therefore less suitable for cheap mass production.
  • German Offenlegungsschrift 19 39 991 which has a fixed concept holder.
  • the concept is fixed, while a pointer is slidably arranged in front of it for display. This also does not create a simple concept holder that is easy to use.
  • the invention has for its object to provide a concept holder with a platen for a sheet-like template, which consists of easy to manufacture individual parts and a guaranteed safe display of every single line. This object is achieved by the invention characterized in claim 1.
  • the concept holder according to the invention is characterized in particular by the fact that it consists of simple parts and enables the line marking to be set quickly and easily.
  • the ruler serving as line marking is simply placed on the template in the desired line, the coupling of which is carried out automatically with the carrier which can be moved in the vertical direction. Adjustment of the carrier with the ruler takes place via controllable motors, the corresponding control impulses being triggered via a foot switch.
  • a text station is shown in FIG. 1, in which characters entered with the aid of a keyboard 1 and stored in a working memory of a computer 2 are shown on a screen 3 of a display device 4.
  • the keyboard 1 has, in a known manner, alphanumeric keys 5 and positioning keys 6, 7, 8 and 9, by means of which a cursor 10 on the screen 3 can be adjusted in a known manner.
  • the keyboard 1 is z. B. connected to the computer 2 via a cable connection 11, which is connected via a cable connection 12 to a printer 13 for printing out the desired data on a recording medium 15.
  • This record carrier 15 can be transported in a known manner via a transport roller 17.
  • a concept holder 16 is arranged on the housing of the printer 13 and has a transparent support plate for a sheet-like template 20 in a frame 18.
  • the templates 20 serving as concepts can be fixed on the support plate 19 by clamps 21, 22, 23, 24 connected to the frame 18 and serving as holders.
  • the concept holder 16 is, by the way, pivotally mounted with bearing journals 27 in corresponding bearing bores of bearing blocks 26 on the printing unit housing, so that the template 20 can be adjusted in an ergonomically favorable viewing angle to the person operating the keyboard 1.
  • the concept holder 16 it is of course also possible to arrange the concept holder 16 separately from the printing unit 13.
  • the concept holder 16 has a line display device which consists of a display device which can be placed on the template 20 and which, for. B. consists of steel ruler 28.
  • This ruler 28 can be magnetically coupled to a support 29 which can be moved in the column direction below the support plate 19.
  • This carrier 29 is rail-shaped in the row direction and is provided at its two ends 30, 31 with a permanent magnet 32, 33 each.
  • the carrier 29 is mounted on the frame 18 of the concept holder 16 so that it can be displaced in the vertical direction by means of a cable drive.
  • the carrier 29 is firmly connected on both sides with a rope 34, 35, each rope 34, 35 around two rope pulleys 36, 37; 38, 39 is deflectable.
  • the rope pulleys 36, 38 can be driven via motors 40, 41, which via amplifiers 42, 43 are connected to a control device 44.
  • This control device 44 receives the corresponding control impulses from a foot switch 45 which can be actuated by the operator.
  • the carrier 29 can be adjusted either in the arrow directions 46 and 47 in the vertical direction in small steps or in appropriately set line steps.
  • the operator can then quickly and easily move the ruler 28 serving as the line display device into the next line, which enables the data contained on the template to be quickly and manually entered into the computer 2.
  • the ruler 28 can be aligned very easily in the row direction and can be provided with markings 48.
  • the line display device according to the invention is characterized by a simple structure and by its simple handling.
  • the ruler 28 can also consist of plastic, this ruler 28 then having steel inserts on both sides in order to achieve an automatic coupling with the permanent magnets 32, 33. Furthermore, this ruler 28 can be designed as a magnifying glass in order to enable better readability of the data on the concept.
  • the foot switch 45 can be designed such that the two motors 40, 41 can be actuated either together or individually.
  • the separate actuation of the two motors 40, 41 makes it possible to align the ruler 28 obliquely in the line direction. This is necessary if the data or texts are written diagonally on the concept.

Abstract

Copy holders are used to bring originals with texts or similar data into an ergonomically favourable position relative to the line of sight of a person operating a data input unit. In order to facilitate such manual inputting of data and/or text, known copy holders have line display devices. To this end, the line display device according to the invention comprises a ruler (28), which can be laid on the original (20) and consists, for example, of steel, and this ruler can be magnetically coupled to a support (29) which can be moved in the column direction underneath the support plate. In an advantageous embodiment, the support (29) is of rail-shaped design and has a permanent magnet (32, 33) at each of its two ends (30, 31). After the placing of an original on the support plate (19) of the copy holder (16), the ruler (28) is simply laid on the original (20) and fixed automatically by means of the permanent magnets (32, 33). As a result of the movement of the support (29) via the motors (40, 41), which can be actuated via a foot-switch (25), the ruler (28) is displaced as required over the fixed original (20). After the inputting of a line, the ruler (28) is simply moved one line in the vertical direction, so that the operator always has a reliable guide. <IMAGE>

Description

Die Erfindung betrifft einen Konzepthalter mit einer Auflageplatte für eine blattförmige Vorlage der im Oberbegriff des Patentanspruchs 1 angegebenen Art.The invention relates to a concept holder with a platen for a sheet-like template of the type specified in the preamble of claim 1.

Konzepthalter dienen dazu, auf Vorlagen enthaltene Daten oder Texte für eine Handeingabe in eine ergonomisch günstigere Lage zu bringen. Zu diesem Zweck sind schon viele Konzepthalter bekannt geworden, die entweder ein integriertes Bestandteil in den Maschinengehäusen darstellen oder als Zusatzeinrichtung in Nähe der Maschinen auf einer Aufnahmeplatte angeordnet sind.Concept holders are used to put data or texts on templates into an ergonomically more favorable position for manual entry. For this purpose, many concept holders have already become known which either represent an integrated component in the machine housings or are arranged as an additional device in the vicinity of the machines on a mounting plate.

So ist durch die deutsche Offenlegungsschrift 22 43 051 ein Ablesegerät mit einer eine Vorlage aufnehmenden Aufnahmeplatte bekannt, die lagerecht etwa in Augenhöhe über der Transportwalze einer Schreibmaschine gehalten werden kann. Weiterhin kann hierbei die Vorlage über eine Transportvorrichtung zeilenweise weitergeschaltet werden, wenn die die Maschine bedienende Person die Eingabe für eine Zeile beendet hat. Dieses bekannte Ablesegerät hat noch einen recht komplizierten Aufbau und ist daher für eine billige Massenfertigung weniger geeignet.German published patent application 22 43 051 discloses a reading device with a receiving plate receiving a template, which can be held in the correct position approximately at eye level above the transport roller of a typewriter. Furthermore, the template can be forwarded line by line using a transport device when the person operating the machine has completed the entry for a line. This known reading device has a rather complicated structure and is therefore less suitable for cheap mass production.

Weiterhin ist durch die deutsche Offenlegungsschrift 19 39 991 eine Vorrichtung für Datenverarbeitungsmaschinen bekannt, die einen fest angeordneten Konzepthalter aufweist. Hierbei ist das Konzept fest angeordnet, während ein Zeiger vor diesem für eine Anzeige verschiebbar angeordnet ist. Auch hierdurch wird kein einfacher Konzepthalter geschaffen, der leicht zu handhaben ist.Furthermore, a device for data processing machines is known from German Offenlegungsschrift 19 39 991, which has a fixed concept holder. Here, the concept is fixed, while a pointer is slidably arranged in front of it for display. This also does not create a simple concept holder that is easy to use.

Der Erfindung liegt die Aufgabe zugrunde, einen Konzepthalter mit einer Auflageplatte für eine blattförmige Vorlage zu schaffen, die aus einfach zu fertigenden Einzelteilen besteht und eine sichere Anzeige jeder einzelnen Zeile gewährleistet. Diese Aufgabe wird durch die im Patentanspruch 1 gekennzeichnete Erfindung gelöst.The invention has for its object to provide a concept holder with a platen for a sheet-like template, which consists of easy to manufacture individual parts and a guaranteed safe display of every single line. This object is achieved by the invention characterized in claim 1.

Vorteilhafte Ausführungsformen und Weiterbildungen der Erfindung sind in den Unteransprüchen angegeben.Advantageous embodiments and developments of the invention are specified in the subclaims.

Der erfindungsgemäße Konzepthalter zeichnet sich insbesondere dadurch aus, daß er aus einfachen Teilen besteht und ein schnelles und einfaches Einstellen der Zeilenmarkierung ermöglicht. Nachdem die abzuschreibende Vorlage auf die Vorlageplatte gelegt und befestigt worden ist, wird das als Zeilenmarkierung dienende Lineal einfach auf die Vorlage in der jeweils gewünschten Zeile gelegt, wobei deren Kupplung mit dem in Vertikalrichtung verschiebbaren Träger automatisch erfolgt. Die Verstellung des Trägers mit dem Lineal erfolgt über ansteuerbare Motoren, wobei die entsprechenden Ansteuerimpulse über einen Fußschalter auslösbar sind.The concept holder according to the invention is characterized in particular by the fact that it consists of simple parts and enables the line marking to be set quickly and easily. After the template to be copied has been placed on the template plate and fastened, the ruler serving as line marking is simply placed on the template in the desired line, the coupling of which is carried out automatically with the carrier which can be moved in the vertical direction. Adjustment of the carrier with the ruler takes place via controllable motors, the corresponding control impulses being triggered via a foot switch.

Die Erfindung wird anhand eines Ausführungsbeispiels im folgenden näher beschrieben. Es zeigen:

Figur 1
eine schaubildliche Darstellung einer Dateneingabestation mit einem Konzepthalter und
Figur 2
eine Einzelheit aus Figur 1.
The invention is described in more detail below using an exemplary embodiment. Show it:
Figure 1
a graphical representation of a data entry station with a concept holder and
Figure 2
a detail from Figure 1.

In der Figur 1 ist eine Textstation dargestellt, bei der mit Hilfe einer Tastatur 1 eingegebenen und in einem Arbeitsspeicher eines Rechners 2 abgelegte Zeichen auf einem Bildschirm 3 einer Anzeigeeinrichtung 4 dargestellt werden. Die Tastatur 1 weist in bekannter Weise alphanumerische Tasten 5 und Positioniertasten 6, 7, 8 und 9 auf, durch die ein Cursor 10 auf dem Bildschirm 3 in bekannter Weise verstellt werden kann. Die Tastatur 1 ist übrigens z. B. über eine Kabelverbindung 11 mit dem Rechner 2 verbunden, welcher über eine Kabelverbindung 12 mit einem Drucker 13 zum Ausdrucken der gewünschten Daten auf einem Aufzeichnungsträger 15 in Verbindung steht. Dieser Aufzeichnungsträger 15 ist in bekannter Weise über eine Transportwalze 17 transportierbar.A text station is shown in FIG. 1, in which characters entered with the aid of a keyboard 1 and stored in a working memory of a computer 2 are shown on a screen 3 of a display device 4. The keyboard 1 has, in a known manner, alphanumeric keys 5 and positioning keys 6, 7, 8 and 9, by means of which a cursor 10 on the screen 3 can be adjusted in a known manner. The keyboard 1 is z. B. connected to the computer 2 via a cable connection 11, which is connected via a cable connection 12 to a printer 13 for printing out the desired data on a recording medium 15. This record carrier 15 can be transported in a known manner via a transport roller 17.

Auf dem Gehäuse des Druckers 13 ist ein Konzepthalter 16 angeordnet, welcher in einem Rahmen 18 eine transparente Auflageplatte für eine blattförmige Vorlage 20 aufweist. Die als Konzepte dienenden Vorlagen 20 sind übrigens durch mit dem Rahmen 18 verbundene als Halterungen dienende Klammern 21, 22, 23, 24 auf der Auflageplatte 19 fixierbar.A concept holder 16 is arranged on the housing of the printer 13 and has a transparent support plate for a sheet-like template 20 in a frame 18. Incidentally, the templates 20 serving as concepts can be fixed on the support plate 19 by clamps 21, 22, 23, 24 connected to the frame 18 and serving as holders.

Der Konzepthalter 16 ist übrigens mit Lagerzapfen 27 in entsprechende Lagerbohrungen von Lagerböcken 26 an dem Druckwerksgehäuse verschwenkbar gelagert, so daß die Vorlage 20 in einem ergonomisch günstigen Sehwinkel zu der die Tastatur 1 bedienenden Person einstellbar ist. Im Rahmen der Erfindung ist es selbstverständlich auch möglich, den Konzepthalter 16 getrennt von dem Druckwerk 13 anzuordnen.The concept holder 16 is, by the way, pivotally mounted with bearing journals 27 in corresponding bearing bores of bearing blocks 26 on the printing unit housing, so that the template 20 can be adjusted in an ergonomically favorable viewing angle to the person operating the keyboard 1. Within the scope of the invention it is of course also possible to arrange the concept holder 16 separately from the printing unit 13.

Um der Bedienungperson die Übertragung der auf der Vorlage 20 enthaltenen Daten in den Rechner 2 bzw. auf die Anzeigevorrichtung 4 mittels der Tastatur 1 zu erleichtern, weist der Konzepthalter 16 eine Zeilenanzeigevorrichtung auf, welche aus einem auf die Vorlage 20 auflegbaren und z. B. aus Stahl bestehendem Lineal 28 besteht. Dieses Lineal 28 ist mit einem in Spaltenrichtung unterhalb der Auflageplatte 19 verfahrbaren Träger 29 magnetisch kuppelbar. Dieser Träger 29 ist in Zeilenrichtung schienenförmig ausgebildet und ist an seinen beiden Enden 30, 31 mit je einem Dauermagneten 32, 33 versehen. Der Träger 29 ist übrigens an dem Rahmen 18 des Konzepthalters 16 mittels eines Seilzuggetriebes in Vertikalrichtung verschiebbar gelagert. Zu diesem Zweck ist der Träger 29 beidseitig mit je einem Seil 34, 35 fest verbunden, wobei jedes Seil 34, 35 um zwei außerhalb der Auflageplatte 19 gelagerte Seilrollen 36, 37; 38, 39 umlenkbar ist. Die Seilrollen 36, 38 sind über Motore 40, 41 antreibbar, welche über Verstärker 42, 43 mit einer Steuervorrichtung 44 in Verbindung stehen. Diese Steuervorrichtung 44 erhält die entsprechenden Steuerimpulse von einem von der Bedienungsperson betätigbaren Fußschalter 45. Hierdurch ist der Träger 29 wahlweise in den Pfeilrichtungen 46 und 47 in Vertikalrichtung in kleinen Stufen oder auch in entsprechend eingestellten Zeilenschritten verstellbar. Nach Eingabe der Daten einer Zeile kann die Bedienungsperson dann das als Zeilenanzeigevorrichtung dienende Lineal 28 schnell und einfach in die nächste Zeile verfahren, wodurch eine schnelle manuelle Eingabe der auf der Vorlage enthaltenen Daten in den Rechner 2 ermöglicht wird. Das Lineal 28 ist sehr leicht in Zeilenrichtung ausrichtbar und kann mit Markierungen 48 versehen sein.In order to make it easier for the operator to transfer the data contained on the template 20 to the computer 2 or to the display device 4 by means of the keyboard 1, the concept holder 16 has a line display device which consists of a display device which can be placed on the template 20 and which, for. B. consists of steel ruler 28. This ruler 28 can be magnetically coupled to a support 29 which can be moved in the column direction below the support plate 19. This carrier 29 is rail-shaped in the row direction and is provided at its two ends 30, 31 with a permanent magnet 32, 33 each. Incidentally, the carrier 29 is mounted on the frame 18 of the concept holder 16 so that it can be displaced in the vertical direction by means of a cable drive. For this purpose, the carrier 29 is firmly connected on both sides with a rope 34, 35, each rope 34, 35 around two rope pulleys 36, 37; 38, 39 is deflectable. The rope pulleys 36, 38 can be driven via motors 40, 41, which via amplifiers 42, 43 are connected to a control device 44. This control device 44 receives the corresponding control impulses from a foot switch 45 which can be actuated by the operator. As a result, the carrier 29 can be adjusted either in the arrow directions 46 and 47 in the vertical direction in small steps or in appropriately set line steps. After inputting the data of one line, the operator can then quickly and easily move the ruler 28 serving as the line display device into the next line, which enables the data contained on the template to be quickly and manually entered into the computer 2. The ruler 28 can be aligned very easily in the row direction and can be provided with markings 48.

Die erfindungsgemäße Zeilenanzeigevorrichtung zeichnet sich durch einen einfachen Aufbau und durch ihre einfache Handhabung aus.The line display device according to the invention is characterized by a simple structure and by its simple handling.

Im Rahmen der Erfindung kann das Lineal 28 auch aus Kunststoff bestehen, wobei dieses Lineal 28 dann an den beiden Seiten Stahleinlagen aufweisen muß, um eine automatische Kupplung mit den Dauermagneten 32, 33 zu erzielen. Weiterhin kann dieses Lineal 28 als Lupe ausgebildet sein, um eine bessere Lesbarkeit der Daten auf dem Konzept zu ermöglichen.In the context of the invention, the ruler 28 can also consist of plastic, this ruler 28 then having steel inserts on both sides in order to achieve an automatic coupling with the permanent magnets 32, 33. Furthermore, this ruler 28 can be designed as a magnifying glass in order to enable better readability of the data on the concept.

Der Fußschalter 45 kann so ausgebildet sein, daß die beiden Motore 40, 41 entweder gemeinsam oder einzeln betätigbar sind. Durch die getrennte Ansteuerung der beiden Motore 40, 41 ist es möglich, das Lineal 28 schräg in Zeilenrichtung auszurichten. Dieses ist erforderlich, wenn die Daten oder Texte schräg auf dem Konzept geschrieben sind.The foot switch 45 can be designed such that the two motors 40, 41 can be actuated either together or individually. The separate actuation of the two motors 40, 41 makes it possible to align the ruler 28 obliquely in the line direction. This is necessary if the data or texts are written diagonally on the concept.

Claims (5)

Konzepthalter mit einer Halterungen aufweisende Auflageplatte für eine blattförmige Vorlage und mit einem unterhalb einer Auflageplatte in Spaltenrichtung verfahrbar gelagerten Träger für eine Zeilenanzeigevorrichtung, d a d u r c h g e kennzeichnet, daß die Zeilenanzeigevorrichtung aus einem auf die Vorlage (20) auflegbaren Lineal (28) besteht, welches mit dem in Zeilenrichtung verfahrbaren Träger (29) magnetisch kuppelbar ist.Concept holder with a support plate for a sheet-like template and a support for a line display device mounted beneath a support plate in the column direction, characterized in that the line display device consists of a ruler (28) which can be placed on the template (20) and which is compatible with the in Carrier (29) which can be moved in the line direction is magnetically coupled. Konzepthalter nach Anspruch 1, dadurch gekennzeichnet, daß der Träger (29) in Zeilenrichtung schienenförmig ausgebildet ist und an seinen beiden Enden (30, 31 ) je einen Dauermagneten (32, 33) aufweist und daß das Lineal (28) aus einer Stahlleiste besteht.Concept holder according to claim 1, characterized in that the carrier (29) is designed in the form of a rail in the row direction and has a permanent magnet (32, 33) at each of its two ends (30, 31) and that the ruler (28) consists of a steel strip. Konzepthalter nach Anspruch 2, dadurch gekennzeichnet, daß der Träger (29) beidseitig mit je einem Seil (34, 35) fest verbunden ist, daß jeder Seil (34, 35) um zwei außerhalb der Auflageplatte (19) gelagerte Seilrollen (36, 37 ; 38, 39) umlenkbar ist und daß je eine der beiden Seilrollen (36; 38) mittels eines Motors (40; 41 ) antreibbar ist.Concept holder according to claim 2, characterized in that the carrier (29) is firmly connected on both sides with a rope (34, 35) in each case, that each rope (34, 35) around two rope pulleys (36, 37) mounted outside the support plate (19) ; 38, 39) can be deflected and that one of the two pulleys (36; 38) can be driven by a motor (40; 41). Konzepthalter nach Anspruch 3, dadurch gekennzeichnet, daß die beiden Motoren (40, 41) über einen Fußschalter (45) gemeinsam betätigbar sind.Concept holder according to claim 3, characterized in that the two motors (40, 41) can be operated together via a foot switch (45). Konzepthalter nach Anspruch 3, dadurch gekennzeichnet, daß die beiden Motoren (40, 41 ) über den Fußschalter (45) getrennt ansteuerbar sind und daß der Fußschalter (45) zwei Schalter (48, 49) aufweist.Concept holder according to claim 3, characterized in that the two motors (40, 41) can be controlled separately via the foot switch (45) and that the foot switch (45) has two switches (48, 49).
EP91101405A 1990-02-08 1991-02-02 Copy holder with a surface to support a sheet-like document Withdrawn EP0441272A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19904003711 DE4003711A1 (en) 1990-02-08 1990-02-08 Draft copy holder for data processor input - has line display rule magnetically coupled to carrier at rear of copy support surface
DE4003711 1990-02-08

Publications (1)

Publication Number Publication Date
EP0441272A1 true EP0441272A1 (en) 1991-08-14

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EP91101405A Withdrawn EP0441272A1 (en) 1990-02-08 1991-02-02 Copy holder with a surface to support a sheet-like document

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DE (1) DE4003711A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2763241A (en) * 1953-09-29 1956-09-18 William G Waggoner Magnetic copy holders
FR2054679A5 (en) * 1969-07-22 1971-05-07 Baud Barthelemy
US3600737A (en) * 1970-01-05 1971-08-24 Melvin Shore Apparatus for cleaning windows
US4558527A (en) * 1982-04-27 1985-12-17 Helmut Schroedel Reading aid apparatus, especially a copyholder for typewriters
DE8902399U1 (en) * 1988-08-22 1989-05-24 Hohlbauch, Andreas, 7121 Ingersheim, De

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2763241A (en) * 1953-09-29 1956-09-18 William G Waggoner Magnetic copy holders
FR2054679A5 (en) * 1969-07-22 1971-05-07 Baud Barthelemy
US3600737A (en) * 1970-01-05 1971-08-24 Melvin Shore Apparatus for cleaning windows
US4558527A (en) * 1982-04-27 1985-12-17 Helmut Schroedel Reading aid apparatus, especially a copyholder for typewriters
DE8902399U1 (en) * 1988-08-22 1989-05-24 Hohlbauch, Andreas, 7121 Ingersheim, De

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Publication number Publication date
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