DE1229983B - Sorting device for hand punch cards - Google Patents

Description

Sorting device for hand punch cards The invention relates to a Sorting device for hand punched cards, consisting of two stacks of cards to be sorted out between receiving grids with the punch cards that can be passed through by sorting needles corresponding holes and lowerable ones that serve as a shelf for the cards Attacks.

In this known sorting device, however, the hand punch cards sought are only sorted out under the action of gravity as soon as the stops serving as the support base are pivoted downward. It can happen that the hand punch cards released by the sorting needles get stuck between adjacent, unsorted hand punch cards as a result of the adhesive force , and accordingly cannot be evaluated. To avoid this, the stack of cards must first be loosened by hand. A sorting process with the known sorting device is therefore unreliable and time-consuming.

A sorting device for hand punch cards is also known to which the sorted out punched cards are removed from the deck of cards by an electromagnet be pulled out. For this purpose, however, each hand punch card has one of the electromagnets facing edge on a magnetizable bar.

The production of hand punch cards for such a sorting device is therefore expensive, quite apart from the fact that the magnetizable strips the Thicken hand punch cards. In addition, in the previously known sorting devices only hand punch cards are selected which have a format corresponding to the sorting device exhibit. For hand punch cards with a different format, there is then another Sorting device necessary, so that the sorting devices on the market are proportionate are uneconomical.

It is therefore the object of the invention to provide the known sorting device for hand punch cards with the other features of the one explained in the first paragraph To develop the generic term so that in the sorting device with a fast and reliably feasible sorting process hand punched card stacks with different Format sizes can be sorted out.

This object is achieved according to the invention in that a perpendicular sliding carriage guided on a frame as a rear wall for the stack of cards is provided, which in the rest position with the bottom on the upper end of a under the action of an electromagnet standing plunger core and at the same time on a base acting as an anvil rests on it and which is the lowerable base serving stop on two laterally mounted, under the action of pawls standing levers loosely adjustable as well as the loosely adjustable grille having.

The deck of cards to be sorted out is simply selected for selection the rear wall formed by the carriage and on the stop forming a floor aligned after the perforated grid according to the format size of the hand punch cards selected and loosely set in the slide.

An exemplary embodiment of the subject matter of the invention is shown in the drawing. It shows F i g. 1 shows the front view of a sorting device designed according to the invention, FIG . 2 shows a longitudinal section through the sorting device along the line 11-II in FIG. 1, Fig. 3 shows the top view of the sorting device, FIG . 4 one of the F i g. 2 corresponding longitudinal section of another embodiment, shown only partially, of part of the sorting device, FIG . 5 one of the F i g. 4 corresponding longitudinal section of a further embodiment of the sorting device according to FIG . 4th

Each sorting device designed according to the invention is carried by a frame. This has a hollow base 1 , which is firmly connected to a vertical, wide stand 2, on which projecting rails 3 and 4, which are L-shaped in cross section, are formed. These latter enclose a T-shaped groove 5 with the stand 2. The back 6 of a slide 7 , which is also T-shaped in cross-section, is inserted into the groove in such a way that the rails 3 and 4 effect an effective guidance of the slide with the aid of self-lubricating strips 8 made of plastic, which laterally, the T-shape of the back Line 6 defining incisions 9 and 10 of the carriage, in which the freely terminating legs of the rails 3 and 4 engage.

The sorting device normally rests on the base 1, but it can also lie on the stand 2, which forms a sole, for reading the information recorded on the hand punch cards and for inserting the needles.

In order to avoid that the handling of the sorting device from a rest position into which the other becomes tiring if the repetition is too frequent, the stand 2 can with be provided with a special part, e.g. B. with a support which is inclined of the sorting device and thus facilitates its loading. This inclination can of course be adjusted according to the changing dimensions of the hand punch cards be.

Two perforated plates 11 and 12 that form grids are detachably placed on the visible side surfaces of the carriage 7 . These grids contain holes, the number and arrangement of which are the same as those of the holes 13 on hand punch cards 14 which do not contain any information and which are to be selected by means of the sorting device.

F i g. 2 shows a hand punch card 14, the holes of which are arranged in a square hole field. This perforated field only takes up part of the hand punch card, while the remaining part is intended for labeling. To mark feature terms, elongated holes 15 are punched into the hand punch card, which connect two adjacent selected holes of one and the same column.

A retractable stop 16 is attached to the bottom of the carriage 7 with the aid of two lateral levers 17 which are pivotably mounted on axes 18 of the carriage. The side levers are under the action of a latching mechanism which allows the stop 16 to temporarily move either in the upper position 16 ", in which it is in contact with the side grids 11 and 12, or in a lower position 16b, in which it is completely is withdrawn, or to be held in intermediate positions, not shown, which are removed from position 16 "by a distance which is equal to the pitch of the rows of holes in these grids or a multiple thereof.

The flat side 19 of the slide 7 facing the punched cards and the stop 16 in its upper position 16 ″ or in an intermediate position form a rear wall and a base for aligning a package of hand punched cards 14 to be sorted out Grids 11 and 12 inserted, which correspond to the holes in the hand punch cards 14 sought for the selected feature terms. Each sorting needle 20 passes through circular holes 13 if these in the corresponding hand punch cards do not correspond to the feature terms assigned to these holes, whereas they pass through elongated holes 15 , To sort out the hand punch cards provided with elongated holes, the sorting device has an electromagnet 21 with a plunger core 23 , the excitation winding 22 of which is arranged in the hollow base 1. The plunger core 23 is held by a finger 24 extended from a non-magnetic alloy, which passes through the base and is in contact with the underside of the slide 7.

The winding 22 is connected by conductor 25 via a resistor 26 and a switch 27 to a power source. When the switch is closed, the winding is energized and energized. As a result, the plunger core 23 made of soft iron is attracted, which in the direction of the arrow F by means of the finger 24 moves the slide 7 into its position in FIG. 2 upper position shown lifts. By opening the switch 27 , the electrical current supply to the winding 22 is interrupted, so that the carriage 7 is no longer held in the raised position and falls onto the base 1 forming an anvil.

As a result of the inertia, the selected hand punch cards 14 fall downwards, since they are no longer held by the sorting needles 20. After one or more Sled movements, the selected hand punch cards are shifted by a distance, which corresponds to the division of the rows of holes in the grids.

The resistor 26 allows the voltage of the electrical current in the winding 22 and thus the electromagnetic force exerted on the plunger core 23 to be varied. The value of this force determines the speed of the upward movement of the carriage 7 in the direction of the arrow F, which must not be too great, otherwise the selected hand punch cards will take their position in the package again due to inertia and align themselves with the unselected hand punch cards. This risk can be prevented by adjusting the speed of the upward movement of the carriage by means of the resistor 26 .

The tendency of the selected hand punch cards to step back into the card stack depends on the variable parameters of these hand punch cards, such as format, thickness, weight, mutual adhesion, number of hand punch cards in the same card stack, etc. The resistor 26 therefore forms a means for regulating the Sorting process, which allows the field of application of the sorting device to be extended to sorting several types of cards.

Another control means, which can be combined with the previous one, is to place a movable slide 161 on the stop 16 serving as the bottom, which works together with markings engraved in the stop and indicates the approximate number of hand punch cards which one can be inserted into the Form a sorting device to be used for sorting.

After the sorting process has ended, the unselected hand punch cards remain in position 141, while the selected hand punch cards have fallen down into position 142. Then a pin 28 is inserted into a hole in the grids 11 and 12, which is located approximately in the middle zone of the punched field of the hand punched cards, whereupon a pin 29 is inserted into a hole in the top row of holes in the grids to hold the unselected hand punched cards. Finally, a pin 30 is inserted into the outer hole at the end of the bottom row of holes of the selected hand punch cards so that, after removing the sorting needles 20 , they can be pivoted around the pin 28 from the vertical position 14 into the horizontal position 14 ", in which the are of the non-perforated part of the hand hole card carried records visible without removal is required. This pivoting movement is made possible through an opening provided in the slide 7 the recess 31.

The pin 29, which is normally removed during the pivoting movement so as not to hinder it, is reinserted when the selected cards are in the position 14 ″ in order, together with the pin 28 , to move the selected cards opposite the grids 11 and 12 keep.

The device thus allows to sort hand hole cards of various formats by on the carriage 7 either a pair of grids 11 and 12 is fixed, which cover all of these formats' or by any format a respective pair of gratings 11, is assigned to the 12th The sorting device also permits the selection of hand punched cards with edge perforations 32 ( FIG. 4). In the vicinity of their longitudinal edges 34 and their lateral edges 35, these punched edge cards each have a row of holes parallel to them, so that almost the entire surface of the punched edge cards is available for labeling with information in plain text. This information generally corresponds to a hole which is enlarged by an incision 36 opening outwards.

The selection of punched edge cards by means of the sorting device requires grids 11 and 12 which have an upper row of holes 37 which corresponds to the row of holes in the upper lateral edge 35 of the card stack 32 when the punched edge cards are on the retractable stop 16 .

In addition, the grids require a lower row of holes 38 which runs tangentially to the lower lateral edge 35 and is in alignment with the lower row of holes 33 of the edge of the edge punch card resting on it.

After inserting the sorting needles 40 into the selected holes of the rows of holes 37 and 38 of the grids 11 and 12, each sorting process then results in a downward displacement of the edge punched cards, which have the feature terms sought, since nothing hampers the downward movement of these selected cards 32a , while the unselected edge punch cards 32b are retained by the sorting needles, since they only penetrate closed holes and no incisions 36 in the unselected tape punch cards.

So that the information carried by the selected punched edge cards 32 ″ is visible without removing the punched edge cards from the sorting device, a pin is inserted into a hole 33 ″ in the grids 11 and 12 and through the entire stack of cards. This pin forms a pivot axis for the selected edge punch cards 32 ". This pin cooperates with another pin which is inserted into a hole 33b of the grids and the unselected edge punch cards 32b in order to hold the latter. A third pin is inserted into a hole 33, the lower row of holes of the selected edge punch cards 32 ″ inserted so that they can be easily pivoted in the direction of the arrow F and brought into the reading position 32 . This is made possible in that a cutout 41 is made in the Git-'Lern opposite the holes 33 and the pin inserted in the holes 331, the top row of holes, is removed during the pivoting.

It can be advantageous to use the same grid set 11 and 12 for sorting edge punch cards of different formats for the feature terms in the lateral edges 35 and a different grid set for sorting these edge punch cards for the feature terms in the longitudinal edges 34.

For this purpose, the grids have a single lower row of holes 38, but at the top several rows of holes 37, 37p, 372 etc., which are removed from the lower row of holes by a distance corresponding to the length or width of the edge punch cards.

F i g. 5 shows, in another embodiment, one of the grids 42 of a grid pair for the carriage 7, which allows edge punched cards with feature terms carried on all sides to be sorted without removing them. These grids 42 have the shape of an asymmetrical T, such that one leg 43 covers the edge punch cards when they are arranged horizontally and the other leg 44 when they are arranged vertically.

In each of the legs 43 and 44 of the grid 42, an upper row of holes 45 and 46 and a lower row of holes 47 and 48 are attached, which correspond to the rows of holes 37 and 38 in the embodiment according to FIG. 4 same. The legs 43 and 44 each delimit a cutout 49 or 50 in their lower front corner. When the retractable stop 16 is in the upper position 16, a stack of cards is brought between the horizontal legs 43 of the grids 42. Sorting needles are inserted into the holes of the rows of holes 45 and 47 which correspond to the feature terms sought, whereupon, after the stop has been pivoted down, a first sorting is carried out in that the switch 27 for exciting the electromagnet 21 is opened and closed one or more times after the resistance 26 has been discontinued.

As with the sorting process already explained, pins 53, 54 and 55 are used to hold the unselected edge punch cards 51 in relation to the grids, to form a pivot axis for the selected edge punch cards 52 and to pivot the latter into the vertical position 56 shown in dash-dotted lines the latter process can only take place when the sorting needles are removed.

Two other pins 57 and 58 are inserted into the protruding parts of the legs 43 of the grids 42 to hold the unselected edge punch cards 51. The pins 53, 54 and 55 are then removed in order to be able to bring the punched edge cards 52 sorted out in the first selection process from the upper position 56 to the lower position 59 , in which these punched edge cards rest on the stop 16 , which was previously in an intermediate position 16 , was brought.

After performing a first selection process for searched feature terms provided on the longitudinal edges of the edge punch cards, searched feature terms are now to be selected on the lateral edges of the edge punch cards in a second selection process. As before, the switch 27 is opened and closed one or more times, as a result of which the punched edge cards selected in the second selection process are brought into the position 60 . These latter edge punch cards actually already have the feature terms sought, which are carried by the longitudinal edges and the side edges at the same time. So that the information from these selected punched edge cards are visible and the order of the entire stack of cards is not destroyed, the punched edge cards must be brought into the position 61 shown in phantom. For this purpose, as already explained with reference to FIG. 4, a pin 62 is inserted for holding the punched edge cards 59 not selected in the second selection process, as well as a pivot pin 63 and a pin 64 for taking along the punched edge cards 60 in the lower corner hole. In order to keep the latter horizontally in position 61 , a second pin 65 must be inserted, which cooperates with pin 63 and, in contrast to pins 62 and 64, has not been removed.

- In order not to occupy the sorting device during the evaluation of the sorted out punched edge cards, a container for the punched edge cards to be selected and another container is generally combined with the sorting device, which holds the selected and the unselected cards that are differentiated from one another, but not excluded are removed from the container.

The pins 28 (in FIG. 2), 33 "(in FIG. 4) and 54 as well as 63 (in FIG. 5) forming a pivot pin can then be omitted, the operator then endeavoring to select the selected ones compared to the non-selected edge punch cards to pivot edge punch cards to 901, but without the latter of these separate to the order not to destroy. g in F i. 2, the selected edge punch cards from the position 14, 14 in the position, and the Edge punch cards in FIG . 4 brought from position 32 ″ to position 32 . In the embodiment according to FIG. 5 , however, the mode of operation is somewhat different: the punched edge cards 52 sorted out during the first selection process are immediately brought into position 59 without difficulty, with the punched edge cards not selected being held in position 51 by pins 57 and 58 . Then the unselected edge punch cards in the second sorting process after removal of the sorting needles of the upper row of holes 46 from the position 59 to the position 51 to be combined with the edge punch cards unselected in the first sorting process.

From the above it can be seen that after the pivot pin has been omitted, the recess 31 of the carriage 7 no longer needs to be present.

Claims (3)

Claims: 1. Sorting device for hand punched cards, consisting of two grids receiving a stack of cards to be sorted out, which can be penetrated by sorting needles, with holes corresponding to the punched cards and lowerable stops serving as a mounting base for the cards, characterized in that a vertically displaceable, on a frame guided carriage (7) is provided as a back wall for the stack of cards, which in the rest position with the underside on the upper end of a plunger core (23, 24) under the action of an electromagnet (21, 22) and at the same time on a base acting as an anvil (1) and which has the lowerable stop (16) serving as the bottom on two laterally mounted levers (17) under the action of pawls, loosely adjustable and the loosely adjustable grids (11 and 12). 2. Sorting device according to claim 1, characterized in that the plunger core (23, 24) coaxially comprehensive excitation winding (22) of the electromagnet (21) is connected to a power source via a rheostat (26) and a push button switch (27) . 3. Sorting device according to claim 1, characterized in that the frame of the sorting device is formed by a hollow, the electromagnet (21, 22) receiving the base (1) and by a stand firmly connected to the base (2), in which a T -shaped groove for guiding the carriage (7), which is also T-shaped on the back, is provided. Considered publications: German Patent Specifications No. 1033 180, 956 121, 345783.