SU42102A1 - Four Key Writing Machine - Google Patents

Description

The proposed four-keyboard typewriter is of the so-called pocket type, and it can be printed in size and device on it without taking your hand out of your coat pocket.

In FIG. 1 shows a general view of the maschina; FIG. 2 - the same with the upper lid; FIG. 3 is a side view in section; FIG. 4 (a) () and (c) - details of the key; FIG. 5-linking levers / 5; FIG. b - modification of the mechanism for the installation of the bouquet before printing; FIG. 7 shows the printing scheme of the second embodiment; FIG. 8-general view of the machine according to the second option; FIG. 9-view of a car with a snowboard; FIG. 10-13 details of the machine.

When working on such a machine, tap and hold the key to the side, and then press it down. As can be seen from FIG. 4, the cup of the / key can move in four perpendicular directions due to the fact that the loop 2, in which it moves freely in two directions, can be rotated in all directions on the head 3 of the button 4. The neck 5 of the key / can walk along the grooves b which are shaped like a cross with clockwise curved ends. Pushing with your finger. on the key, you can bring it into one of these grooves. If you remove your finger from the key, then the springs 7 and 8 will return the head of the key to its former place. When you push the key

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OR a different groove neck 5 pushes aside one or another stop 9 and thereby affects the mechanism of the corresponding letter.

Each key can take eight positions and bend the eight stops 9 and, consequently, print eight different letters, and all the keys give thirty-two letters, i.e. the entire alphabet.

The action of the machine when writing is as follows. Let us take the key, for example, into the right groove (Fig. 4 (6) dotted position) and press the key of the key. Pressing the finger through loop 2 is transmitted to button 4 and then to rod W, which acts on the crank lever, // and gives forward rod 2 with roller 73 and eight letters 74. When the keys are moved into groove-neck 5, the emphasis 9 will be moved to the side (on Fig. 3 shows the stop 9 and the corresponding system of levers for only one letter) and acts on the lever 75 and the post / 6, which will turn up (take the dotted position) and when the rod 72 moves, it will hook the paw 77 to the stop 78 and retard the toothed rack 79 (rod 72 slides inside sleeve 20, one piece with the rail 79) until then. until the stop 27, mounted on the rod 72, does not reach the foot 22 and press the stand 76 aside, thereby releasing the rack 7P, which will later move together with the rod / 2. But during the delay of the rail, its teeth act on the gear 23 of the roller 13 and rotate the latter by a certain number of teeth of the teeth, corresponding to the installation of a letter 14 in front of the paper tape 24. The distance between the legs 17 and 22 on the posts 16 corresponds to a strictly defined number of teeth on Zubchatka 23, i.e. a certain letter 14.

So, for each letter 14 on the lever on a four roller 13, a certain stand 16 is intended. Therefore, such stands must be twenty-eight (four letters do not move).

The paper tape 24 is drawn along with a copy paper tape and is wound onto one of the coils 25. The rod 12 reaches the steady letter 14 of the tape 24 and makes an impression on it through the copy tape.

The finger is then removed from the key 7, the springs 8 VI 7 retracts it into place, the spring 26 also retracts the rod 12, and the stop 18, which moves along the rod (thanks to the sleeve 20) of the rail 19, hits the rest 27 a place. The ease of movement of the rod 12 is achieved thanks to two balls 28. Each time you press a key / rod 10, it presses the end 2I. The lever 30 is pushed by the pawl 31. The latter releases one tooth of the ratchet wheel 32 and the spring 33 moves the coils 25 by one letter distance.

For greater compactness, the pillars 16 are divided into seven groups, joined by four (Fig. 5). Four one-sided stops 9 with flexible links 34 are attached to one point 55 of the quadrilateral lever 16, designed to rotate the four gears 23 to the same distance.

The modification of the printing mechanism of FIG. b consists in the fact that on the same rod 72 a not struck rod 19 is fastened, but a dog 36 turning from around point 37 connected tightly with rod 72 will act on the stop P by lifting the lever 38 with the corresponding number of teeth 39. (from one to seven teeth) .. Dri move the rod 72 teeth 39 is set for the gear 23, rotated by an appropriate number of teeth, borrowed; The spring 40, until the stop 41 rests on the foot 42, puts the dog on the teeth of the teeth 23 and interrupts the contact of the teeth 39 with the teeth of the teeth 23,

Upon the return of the rod 72 to the previous position, the foot rests against the stop 44, causes the dog 36 to jump off the teeth of the teeth 23, unwind the spring 0 and thereby bring the entire system back to its original position.

In the second embodiment, in FIG. 7-13, instead of a paper tape with a copy tape, a small roll of paper 45 is offered, rewinding from one reel 46 to another. The imprint of letters on paper occurs either due to the contact of the paper strip 45 with a strip of carbon paper wound on the reels together with the writing paper, or due to the contact of the paper of the plug 47 with the tape 48 soaked in paint. In the latter case, the movement of the colorful ribbon 48 is due to the spring 49 and the ratchet with the dog 50.

Pressing the key (of the same construction as in the first embodiment) acts on the rod 52, ending in sector 53, with letters 54 turning on tuapHHpe 55. The bend of the stop 59 acts on the lever 56 of one or another length. The flexible link 57 lifts the lever 56, which lifts the pad 55 to this or that height, looking at what letter 56 is intended for. In this case, the levers 56 are not twenty-eight, but only eight. Each has four flexible links 57 from four one-sided stops 9. The pad rotates on the hinges 59, while the rod 52 rolls over the balls 60.

The coils 46 are placed in a metal box 60 having a slot along its length that extends in front of the pad 61. This slot serves for the letter keys 54, the passage between the fork 47, to touch the paper 45, which fits the pad 61. On the outside of the box there is a gear

The rail 62, inside the box on the axis 63, is a spiral spring 64, which, on the one hand, is fixed to the wall of the housing 65, and on the other, to the box 60 and tends to squeeze the box to the left from the machine case.

When pressing the keys 5 /, the spatula 66 is pressed down, which actuates the pawl 67 resting its teeth on the teeth of the rail 62. The pawl moves to the side and the spring 64 moves the box 60 and the paper 45 back by one tooth of the rail 62. Simultaneously with the deviation doggie 67 is deflected and doggie 50. This is the movement of paper and colorful ribbon 48. After box 60 comes out of the car to the full, remove one finger from the key and, pressing the button 68, take the box back to the machine.

When the side wall of the box 60 approaches the wall of the casing 65, a gear 69 located on the wall of the box is in contact with a gear 70 fixed to the wall of the casing. In this case, the foot 71, which is the continuation of the button 68, rests against the foot 72 on the dog 73, acts on the latter, and the spring 74 will turn the spine 70 by one tooth and will shift the gear 69 and the gear 75. Both coils 46 are turned at the same distance and now it will be possible to print the next line. In this way, the paper is moved on the reels as each line is filled.

The subject matter of the invention.

Claims (5)

1. A four-key writing machine, characterized in that each key is provided with grooves 6 with stops 9 for moving the keys of the / key to them, for the purpose of installation, by means of a rack 19 and gear 23, one or another of eight letters 14 located on the roller 13 against the printing point on the paper tape 24, and the button 4, which acts when the keys are pressed, by means of the rod 10) on the end of the rod 12 for printing letters and on the end 29 of the lever 30 with the pawl 31 to release the gear wheel 32, with advancing coil 25 with paper nd by letter distance (Fig. 1-4, b). 2. Form execution machine pop. 1, characterized in that a pawl 36 is coupled to the rod 12, which engages with the gear 23, and the levers 38 with the teeth 39 (Fig. 6) are used for turning the teeth. 3. The form of the machine according to claim 1, characterized in that the letters and marks 54 are fixed on the toothed sectors 53, driven in appropriate movements by means of the rod 52 and the lever 56, connected by flexible links 57 and stops 59 (Fig. 7 , 9). 4. In the machine according to claim 3, applying a reel of paper 45 that is rewound from one reel 46 to another, enclosed in a box 60, having a slot extending in front of the pad 61, and on the outside of the box is a toothed rail 62 interlocking with the pawl 67 The spiral spring 64 on the axis 63 (Fig. 8-11) serves to advance the box for one tooth. 5. In the machine of claim 3, a device for turning coils 46 to a new line consisting of gears 69, 70, buttons 68 with a foot 7 /, paws 73 with a foot 72 and springs 74 (Fig. 11, 12, 13).