DE1088071B - Tabulation device on typewriters - Google Patents

Description

GERMAN

There is a device for typewriters is known in which by means of a conductive surface on the lower At the edge of the recording medium when the last line is inscribed, a signal system is activated will. For automatic line formation in printing business machines controlled by counting cards it is known to photoelectrically scan a marking strip on the recording medium. Is known also the use of magnetizable markings on recording media in order to To trigger functions of devices on printing business machines controlled by counting cards.

On typewriters equipped with tabulation devices, the labeling of different types is required Forms a considerable amount of time when a provision and a new setting of the Tab according to the different form division is required. Will be several of the same kind If the forms are labeled one after the other, the individual forms must be clamped very carefully, if the previously set tabs are not to be deleted and set again.

The tabulation device according to the invention is eliminated this disadvantage of the repeated on and back position of the rider by a next to the type lever guide arranged electrical contact device, which with the column division of recording media characteristic conductive lines cooperates, for the purpose, by means of an arranged on the machine Electromagnets and mechanical transmission means assigned to the column of the recording medium To put riders in the way of a rider stop and by a lockable reset bracket, after the tabulation process, the tabs set automatically when the paper carriage moves in Swiveled back writing direction in its inoperative position.

According to a further feature of the invention interrupts During the return of the paper carriage, a relay controlled by the return button closes the circuit for the electromagnet.

With the tabulation device according to the invention, a prior setting of the is basically not necessary Equestrian. The setting and deletion of tabs required in the previously known tab devices when labeling different types of forms as well as the precise alignment of the forms when clamping Identical forms are also no longer required. Thus, the typewriter operation is simplified and at the same time an essential one Time savings achieved.

Further features of the invention emerge from the embodiment of the tabulation device, which Tabulator on typewriters

Applicant:

IBM Germany

International office machines

Gesellschaft mb H.,
Sindelfingen (Württ), Tübinger Allee 49

Claimed priority:
V. St. v. America 10 February 1955

John Boynton Clark, Santa Clara, Calif. (V. St. Α.),
has been named as the inventor

described below with reference to the accompanying drawings wind. It shows

1 shows the diagrammatic representation of a typewriter with the tabulation device,

FIG. 2 shows the enlarged illustration of a section from FIG. 1,

Fig. 3 a. View of the contact device,

4 is a perspective view of the contact device,

5 shows a view of the rider setting and resetting device,

Fig. 6 is a section along line 6-6 of Fig. 5,

7 shows the circuit diagram of the machine.

D, ie Tabuliereinrichtung according to the invention is described in connection with a typewriter .: • It is used to control .the .T.abuliervorgänge and consists of a tab setting A (Fig. 5), a sensing device B. (Fig. 7 ) for controlling the rider setting device and a rider resetting device C (Fig. 5, 6) for resetting the previously set tab.

The typewriter 10 (Fig. 1) is provided with a tab facility provided, in which the tabulation under the control of on the form or Conductive lines 13 arranged on writing sheet 11 takes place, which are sensed by a contact device 14 can be. Preferably, the conductive lines 13 become concurrent with the other text parts of forms in the same; Operation in the production of the forms printed, but these can Lines also printed on already completed forms at any time prior to using the forms

009 589/7

3 4

will. The lines 13 are printed under the condenser 54, which is instantaneously excited and, after the application of conductive ink or similar material, the condenser 54 is discharged again without current. As in locations on the form which mentions those to be described, the conductor 42 is contiguous via the capacitor 44 with form areas. In the case of the invoice 5 connected to the control grid of the thyratron 43 and the writing carriage of the machine, when a conductive line 13 hits a sensing pen (Fig. 1, 2), the conductive lines 13 immediately meet 17, the conductor 42 is terminated and a positive left in front of the blank area to be labeled in the form potential applied to the control grid of the thyratron, printed. The line 13 α is immediately on the left edge. When a conductive line 13 is sensed through the Abder for the name and address of the recipient feeler pins 17, the electromagnet 49 is therefore arranged in the area provided for the eye of the bill, and in io visually excited.

Similarly, other lines 13 on the left can be The relay 51 is an interlock relay with two

Edge of other blank fields of the invoice arranged excitation windings, in which the assigned

are, for example, the order number, contact α in a known manner by the excitation of

Amount etc. are to be used. a winding 51P opened and in this position

The setting of the tabulation device is locked with * 5 and the locking is released by the excitation of the second Wickder sensing the conductive lines 13 through the cone 51 L and the contact device 14, which is closed again from a clock α made of insulation material. One side of the holder 16 (FIGS. 3, 4) is made, in the windings 51L and 51P of which several sensing pins 17 are inserted on a corresponding central web 25. Voltage source connected while the other The pins 17 consist of conductive and elastic a ° winding side of the winding 51 P over a normal material and are insulated from each other. The holder wise open contact 59, the other winding side 16 is also normally provided with a recess 18 and several grooves 19 of the winding 51 L , into which the ends 22 of the pins 7 protrude. open contact 61 is grounded. In typewriters The ends 22 of the pins are hook-shaped and so-with electric motor drive is the Wagenrückstaltet that the part 23 of the pins out of the groove 19 run under _2g under control of a carriage return key, the bottom surface 21 (Fig. 3) of the holder 16 protrudes. The and it is therefore advantageous to put the contact 59 under the pins 17 are in the web 25 fixed and immovable control of this button. As soon as the embedded, but their ends 22 can be actuated as a result of the carriage return button, the inherent elasticity in the associated grooves 19 is short-circuited to contact 59 and the winding 51 P of and are moved down. This is used to energize the 30 relay 51, as a result of which the associated contact a pins 17 with its parts 23 is firmly opened and locked against writing. Make contact with the opening of the contact sheet. tes α interrupts the anode circuit of the thyratron

The holder 16 is by means of a steel spring plate 26 43. In any case, precautions must be taken that and the screws 27 and 29 (Fig. 3) resiliently at the contact 59 just before the start of the carriage adjustable carrier 28 attached. In an ent- 35 return it is closed. One contact spring of the Speaking threaded hole 31 of the carrier 28 is a contact 61 is on the frame of the typewriter Threaded bolt 32 used in a suitable manner (Fig. 5) and the other spring of the contact is on fixed in one of the spring plate 35 of the typewriter carriage so that the two contact springs were carried along Support 34 (Fig. 2) is attached. Through this come into contact with each other when the Arrangement may be the spacing of the carrier 28 and the 4 ° carriage in its rightmost position. Holder 16 of the platen 30 precisely adjusted by this contact arrangement is therefore when will. , Pressing the carriage return button of the contact 51 α in

The juxtaposed sensing pins 17 are locked in its open position to allow during the

alternating with a conductor 41 or 42 (FIG. 4), the carriage return ensures that the thyratron 43 becomes conductive

bound. The conductor 41 is grounded (Fig. 7), and the 45 and the excitation of the solenoid 49 upon impact

Conductor 42 is connected to the conductive marks 13 via a capacitor 44 to control the sensing pins 17

grid of a thyratron 43 connected. A to prevent an exchange form. When the

selstromquelle connected rectifier supplies the carriage return, the contact 61 is closed, the

line 47 has a voltage of approximately -250VoIt. Relay winding 51 L energized and the associated con-

The cathode of the thyratron 43 is over a suitable 5 ° clock α and thus the anode circuit of the Thyra-

Neten resistor 48 connected to line 47 trons 43 closed again.

and the anode with one end of the winding of a. The electromagnet 49 (FIG. 5) is connected by means of an electromagnet 49, the second winding clamp 63 of which is attached to the rear part of the machine winding end via the normally closed frame and controls when it is excited clock α of a relay 51 and the current limiting 55 setting of the tab 64. The taboo state 52, which is known per se, is grounded. The rider 64 which is adjustable by the current flow through the device contains adjustable riders 64, which cooperate with resistor 48 and resistor 53 to earth as a rider stop (not shown) in the OFF state and allows charging, pressing the tab key set in motion a fairly strong capacitor 54, which was between 6o. The tabs are switched in the usual way through which the cathode and the non-grounded side of the counter is operated. A temporary grounding set, which is arranged so that it causes the Thy handlebars and levers to conduct the rider in the opposite ratron as long as the capacitor 54 clockwise (Fig. 6) is in its setting position via a suitable control grid of the thyratron rotates, is sufficiently charged, and the resistor 52 is so 65 After its setting, the rider is held in a high position that the passage of current through him is not in a position in which he does not oppose the rider stop (the thyratron after the discharge of the Kon- shows) can work together if this is actuated to keep the capacitor 54 conductive. So when that becomes potential. It is noted that the tab stop m tial of the control grid is positive, ie if it is grounded in its inoperative position and with none of the, the solenoid will be able to interact by the discharge of the 70 set tab as long as the

Tab key is not pressed. When you press the tab key, the tab stops in one position moves, in which he can interact with the set riders, and after his encounter a rider, the rider stop is returned to its ineffective position and remains in this until the tab key is pressed again.

The armature 67 of the solenoid 49 (Fig. 5) is by means of its flange 66 and the pin 68 on the typewriter frame rotatably mounted and held by a spring 70 normally in a position in which its right end rests against a stop 69 on the machine frame and its left end from Bobbin is lifted off. When the electromagnet is energized, the armature 67 is wrapped around the pivot 68 rotated and puts through its nose 71 attached to the right end of the adjacent tab 64 in its Actual action.

A reset bracket 72, known per se, is arranged in such a way that that he rotates the adjusted rider back to their basic position when this against the in his The active position of the rotated bracket. In the automatic tabulation process according to the invention, it is necessary to reset the tabs immediately after their use, and it is therefore a matter of course for everyone Modern typewriters commonly used locking devices are provided around the reset bar during the tabulation process to hold in its operative position. In this way, the reset bracket 72 remains effective to all riders that were previously set when they hit the bracket during the carriage movement postpone.

In order to carry out the automatic tabulation processes, the operator of the machine must first press the tabulator release key Press to move the reset bracket 72 into its operative position and to close it in this position lock. Then the tab key is pressed, whereby the rider stop is rotated into its operative position and the carriage is released for its movement to the left (Fig. 1). When the sensing pens 17 during this movement of the writing carriage on a conductive line 13 in the clamped in the writing carriage Hit the form or writing sheet, the potential at the conductor 42 is increased and thereby the thyratron 43 ignited and the electromagnet 49 energized.

When this occurs a tab 64 is set and when that tab encounters the tab stop, will the carriage stopped in a known manner so that the part of the writing sheet to be written on is is in the writing position. As the carriage moves further, the previously set Rider, who caused the carriage to stop, returned to its normal position by means of the reset bar 72 Position reset. Each additional conductive line 13 printed on the form takes place in the same way a tabulation process. It is therefore only necessary that the writing sheet be prepared accordingly and after it has been inserted into the carriage, the tab key is pressed to activate the to bring the labeling part of the form into print position.

Claims (2)

PATENT CLAIMS: 1. Tabulation device on typewriters with a rider rail on the carriage, characterized by an electrical contact device (14) which is adjustably arranged next to the type lever guide and which interacts with the electrically conductive lines assigned to the columns of recording media for the purpose of using an electromagnet ( 49) and mechanical transmission means (67, 71, 70) to set the tab (64) assigned to the column of the recording medium in the path of a tab stop to be actuated by the tab key, and by a lockable reset bracket (72) which, after the tabulation process, sets the tab Tab (64) automatically when the paper trolley is moved in the writing direction. · 2. Apparatus according to claim 1, characterized in that during the return of the paper carriage a relay (51) controlled by the return button controls the circuit for the magnet (49) interrupts. Considered publications:
German patent specifications No. 518 934, 670 190,
605, 738 171, 747 009. U.S. Patent Nos. 2,246,968, 2,254,299. 1 sheet of drawings © 009 58S / 7 8.60