DE648053C

DE648053C - Portable security printer

Info

Publication number: DE648053C
Application number: DEA69948D
Authority: DE
Inventors: Dipl-Ing Gerhard Brockhaus
Original assignee: AEG Fahrkartendrucker GmbH
Current assignee: AEG Fahrkartendrucker GmbH
Priority date: 1933-07-06
Filing date: 1933-07-06
Publication date: 1937-07-20

Description

Die Erfindung betrifft einen tragbarenThe invention relates to a portable

" Wertscheindrucker für eine beschränkte Anzahl festliegender Wertstufen, z.'B. einen Fahrscheindrucker mit vier Preisstufen.
S Die bekannten tragbaren Wertscheindrucker sind so eingerichtet, daß zuerst der gewünschte Wert durch Verstellung von Knöpfen, Hebeln o. dgl. eingestellt und dann der Fahrschein durch Bewegen der Antriebsvorrichtung, ζ. Β. einer Kurbel, gedruckt wird. Das hat den Nachteil, daß für einen Fahrschein mehrere Griffe ausgeführt werden müssen, \vas eine verhältnismäßig zeitraubende 'Bedienungsweise bedingt. Man hat schon vers'ucht, durch Anordnung mehrerer ^ Tasten oder Hebel, von denen jeder einem " bestimmten Wert zugeordnet ist, die Bedienung zu vereinfachen, hat aber dabei immer' noch mehrere Griffe auszuführen."Ticket printer for a limited number of fixed value levels, e.g. a ticket printer with four price levels.
S The known portable security paper printers are set up in such a way that first the desired value is set by adjusting buttons, levers or the like, and then the ticket is set by moving the drive device, ζ. Β. a crank, is printed. This has the disadvantage that several handles have to be carried out for one ticket, which means that it is relatively time-consuming to operate. Attempts have already been made to simplify operation by arranging several keys or levers, each of which is assigned to a certain value, but still has to carry out several manipulations.

ao Es ist bereits bekannt, diese Nachteile dadurch zu vermeiden, daß bei einem Wertscheindrucker mit je einer Taste oder einem Hebel für jeden Wert die Übertragung der Tastenbewegung so eingerichtet ist, daß ein Teil des Tastenhubes für die Einstellung des Wertes und der Rest zur Auslösung von schlagartig bewegten Druckhämmern ausgenutzt wird. Für diesen Vorgang sind damit aber noch besondere Mittel erforderlich, was eine wesentliche Komplikation des Wertscheindruckers zur Folge hat, die zugleich mit einer Erhöhung des Gewichts und einer 'Vergrößerung der räumlichen Abmessungen verbunden ist. Für einen tragbaren Wertscheindrucker ist es demgegenüber aber äußerst wichtig, Gewicht und Abmessungen möglichst gering zu halten, was man dadurch erreicht, daß man ihn aus möglichst wenig Teilen aufbaut.ao It is already known that these disadvantages can be avoided in the case of a security paper printer with a button or a lever for each value to transfer the Key movement is set up so that part of the key travel for setting the The value and the rest are used to trigger suddenly moving print hammers will. For this process, however, special resources are required, what an essential complication of the security printer, which at the same time with an increase in weight and an increase in spatial dimensions connected is. For a portable security printer, on the other hand, it is extremely important to have weight and dimensions to keep as low as possible what one achieves by doing it from as little as possible Share builds.

Dies wird gemäß der Erfindung dadurch erreicht, daß die Einstellung des Typenrades durch die Relativbewegung seiner Welle gegenüber der Druckwalze über ein Einweggesperre erfolgt und daß während der Drehung der Druckwalze, die über ein zweites Einweggesperre erfolgt, das Typenrad gegenüber der Druckwalze in Ruhe bleibt.This is achieved according to the invention in that the setting of the type wheel by the relative movement of its shaft in relation to the printing roller via a one-way lock takes place and that during the rotation of the pressure roller, which takes place via a second one-way lock, the type wheel remains at rest in relation to the pressure roller.

In -den beiliegenden Zeichnungen ist die Erfindung" in einem Beispiel dargestellt.The invention is illustrated in an example in the accompanying drawings.

Es zeigt die Abb. 1 eine Ansicht der Tastenanordnung mit der Druckwalze von oben, Abb. 2 eine Seitenansicht dieser Einrichtung mit abgenommener Druckwalze, Abb. 3 einen Schnitt nach Linie A-B in Abb. 2.Fig. 1 shows a view of the key arrangement with the pressure roller from above, Fig. 2 shows a side view of this device with the pressure roller removed, Fig. 3 shows a section along line AB in Fig. 2.

Beispielsweise ist der Drucker für vier Wertstufen eingerichtet. Für jeden Wert ist eine besondere Taste 1 vorgesehen, die sich alle frei um eine Hülse 2 drehen können und mit verschieden langen Anschlägen 3 (Abb. 2) versehen sind. In der Bahn letzterer liegt derFor example, the printer is set up for four value levels. For each value is a special button 1 is provided, all of which can rotate freely around a sleeve 2 and are provided with stops 3 of different lengths (Fig. 2). The latter lies in the path of the latter

*) Von dem Patentsucher ist als der 'Erfinder angegeben worden:*) The patent seeker stated as the 'inventor: Dipl.-Ing. Gerhard Brockhaus in Hennigsdorf, OsthavcNand.Dipl.-Ing. Gerhard Brockhaus in Hennigsdorf, OsthavcNand.

Claims

Pin 4 of a swivel frame 5, which is also freely rotatable on the sleeve 2 and carries the adjustment segment 6 on its circumference firmly connected to the sleeve 2, which is in turn connected via gears 11 and 12 to a shaft 13 and thus to the type wheel 14. In the path of movement of the keys 1 there is also a frame 15 which freely surrounds the sleeve 2 or . Can rotate about the shaft 21. It carries a drive segment 16, which can drive a gear 20 on the shaft 21 and thus the pressure roller 22 via an intermediate gear 17, freewheel 18 and an intermediate gear 19 Locking segment 2 τ, (Fig. 2) attached, each key ι is also provided with a tail 24 which strikes against a pin 26 attached to a control lever 25. The other arm of the control lever 25, which can swing freely around the shaft 21, carries a around bolt 33 d Reversible one-way pawl 27 for moving a locking piece 28.

The mode of operation is as follows: The key that corresponds to the required value is moved in the direction of the arrow (Fig. 2). Depending on the length of its stop 3, sooner or later it hits the pin 4 of the 'swivel frame 5 (Fig. 3). This must then take part in the movement and thus rotate the type wheel 14 more or less strongly via the segment 6, the intermediate wheels 7 and 9 connected by the one-way pawl 8, the gears 10, n and 12 and the shaft 13. The moved button 1, which rests with its tail 24 against the pin 26 of the control lever 25, takes it with it, and shortly before it touches the frame 15, the pawl 2y hits the pin 28 attached to the locking piece 28? and thereby presses the locking piece 28 out of a recess 32 in the pressure roller 22 against the action of a spring bolt 29 and brings it into the path of the locking ring 23, whereby a reverse rotation of the frame 15 is prevented. Now, as soon as the button 1 and the frame 15 touch, the drive segment 16 is carried along and the printing roller 22 is rotated via the intermediate gear 17, freewheel 18, intermediate gear 19, gear 20 and shaft 21 and a ticket is thus printed. Towards the end of the pressure roller movement, a switching tooth 30 strikes the locking piece 28 and lifts it out so far that the tip 31 comes to rest on the other side of the spring bolt and therefore from the spring bolt 29 back into the recess 32 ^; the pressure roller 22 is pressed, so that it is held in its ready position. The other parts are returned to the initial position by springs, which are only partially shown, the pawl 27 evading the locking piece 28 by rotating around the pin 33.

Paϊ ε ντ α ν s ρ κ ü cue:

ι. Portable security printer with one button or one lever for each Value at which part of the key travel, e.g. B. by turning a type wheel that Adjustment of the value brings about and the remaining part of the key stroke for printing, z. B. by rotating a pressure roller, is used, characterized in that the setting of the type wheel (14) by the relative movement its shaft (13) opposite the pressure roller (22) via a one-way lock (8) takes place and that during the rotation of the pressure roller (22), which takes place via a second one-way lock (18, 19), the Type wheel (14) opposite the printing roller (22) remains at rest.

2. Security printer according to claim 1, characterized in that the keys (1) from the same rest position with stops (3) of different lengths on one Swivel frame (5) act, which is mounted loosely on the pressure roller shaft (21) during its pivoting by means of a Drive wheel (10) moves the character wheel (14).

3. Security printer according to claim 1 and 2, characterized in that the pressed button (1) after the swivel frame (5) is used for setting of the type wheel (14) has performed the required pivoting, a second Swivel frame (15) takes along, which by means of a gear of the same translation like the gear between the first swivel frame (5) and the loosely mounted on the print roller shaft (21) The drive wheel (10) for the type wheel (14) moves the print roller shaft (21).

4. Security printer according to claim 1, characterized in that the pressure roller (22) is locked against rotation during the setting of the type wheel (14) by a locking device (28, t, 2) controlled by the keys (1).

1 sheet of drawings