DE1920629A1 - Device for the optional positioning of a part in a number of working positions - Google Patents

Description

Device for the optional positioning of a part in a number of working positions

The invention relates to a device for the optional positioning of a part »which can be adjusted from an inoperative position to a number of working positions in accordance with a combination code _f that it stores the complement of a number representing the steps to be performed by the part in BLnär code. The part is actuated by elastic means under control by means of a periodically rotating main shaft and returned to its inoperative position by the shaft at the end of the respective period of rotation

It is known for writing or printing devices which a type carrier turns steadily and a hammer when the selected character passes, printing causes the hammer with the help of a control device operated, which has a counter for impulses that rigidly move with the help of a series of with the type carrier

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Elements are generated · Such control devices are however unfit to part from an ineffective position to adjust to a changeable working position

In another writing or printing device, the Types attached to a type wheel, which can be turned in a constant direction, and those to be selected Type or code combination corresponding to the character to be selected is stored in a binary counter · Das The type wheel is set in rotation and sends an impulse to the counter for each step · As soon as the counter has the When the full state is reached, the type wheel is temporarily stopped and the print command is given Type wheel on again to return to its idle or inoperative position while additional means shutdown effect of the counter from the pulse generator »By these means the device becomes proportionate Complicated © In addition, this device is used to adjust the and moving movement unsuitable for adjustable parts ©

The object on which the invention is based is therefore to be seen _{in the acquisition of an adjusting device 9} by means of which the aforementioned parts are eliminated and which, in the case of a Sehreilte ™ or Briiekmeehanismus, for example for a data terminal, was suitable for controlling the selection of the character

According to the invention, a device for the optional positioning of a movable part from an ineffective. Position on a selected one of a series of working positions determined by a code combination in the proposal <.. * ■ -braoht, which comes from a binary counter. » the adapted ia1i _s that it is the complement to a number H of a certain dursh öi® Godekombination and the number of the T® ±%

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stores the number of movement steps required to reach its selected working position; the end a periodically rotating main shaft which is set up in such a way that it connects the part via an elastic coupling device moved from its inoperative position and subsequently returns it to its inoperative position; from a number of signal-generating elements, the corresponding angular positions on the shaft in the working positions are attached and arranged so that when they pass through a predetermined position, the binary counter Applying impulses to cause it to continue counting up to N » and it consists of a mechanism that acts on the achieved Number N responds to the moving part before being returned to the inoperative position for a given To stop the period of time in the selected working position

In this way 'is s he solved a positioning device for an adjustable in a reciprocating motion Part 3 invention, the technical problem of creating ait ^ Ll "allows" to stop the part temporarily in a selected position "during a main shaft rotates further · This device can be of the utmost simplicity and operational reliability.

The invention is explained in more detail below using an exemplary embodiment shown in the accompanying drawing. Show it:

Pig · 1 to 3 perspective left front views of the printing mechanism of a data terminal with a Positioning device according to the invention,

Figure 4 is a left front perspective view of a detail the printing mechanism in a working position,

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fig * 5 a blook diagram of the positioning device near the invention,

6 through 8 left side views of the poeitioning device according to the invention

The positioning device according to the invention is built into a printing mechanism of a terminal with an alphanumeric accounting machine in series with a central computer. The printing mechanism has four type wheels 1 (FIG. 1), each provided with twelve characters. Each type wheel 1 is rotatably mounted on a respective slide 2 which is slidable on two axles 3, which are attached to a vertical plate 4 _r which is itself attached to the center part of a carriage 6 · The four sliders 2 are usually by means of springs 7 in In the direction of the lower axis 3, each type wheel 1 is firmly connected to a gear wheel 8 which is in engagement with a toothed segment 9 which is articulated to the corresponding slide 2 and which can be moved vertically in a fork 12 of a connecting rod 13 Pull rod 11 (Pig x 2) is connected. Each pull rod 11 (Pig x 1) is normally urged by means of a spring 14 in the direction of a stop 16 (Fig. 2) of the fork 12. Each tie rod 11 has a recess 17 which, as required, can be brought into engagement with a rod 18 which is fastened to a bracket 19 pivotable about a shaft 21 In the direction of a stationary stop 23, the corresponding pull rod 11 is normally disengaged from the rod 18. Ausaerdem a two-armed lever 29 is attached to the shaft 21, which with a

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double curve height 31 with complementary to each other Cooperates profiles, which is mounted on a shaft 32 forming the usual main shaft of the machine · The Shaft 32 (Jig · 3) can be connected via a coupling 34 (Pig · 2) by means of an electric motor (not shown) of the machine, periodically operated for one revolution in the counterclockwise direction will"

With the aid of two pins 36 in the stationary frame of the machine, the sole carriage 6 (pig · 1) can be ^{displaced parallel to the usual 1} adjustable paper roll 38 in the transverse direction of the machine. The carriage 6 (fig · 3) is in a position of rest to the Centered rubbing point and provided with two lugs 39 and 41, which can come into abutment against fixed lugs 42 and 43, respectively, in order to bring the right outer type wheel 1 and the left outer type wheel 1 into position with respect to the writing parts Approaches 44 and 46 are provided, which can interact with shoulders 47 or 48 of a lever 49 in order to bring the right inner type wheel 1 or the left inner type wheel 1 into position with respect to the Sohreibetelle "

The lever 49 can be pivoted about a fixed axis 50 and as a result of the action of a each 51 in the rest position against two lugs 52, 53 of the two inner wheels 1 corresponding two connecting rods 13 placed in such a way that the two lugs 47 and 48 outside the Se » trajectory of the lugs 44 and 46 of the sole 6 are held · A link 54 is articulated to the carriage 6, daa is in turn connected to a rocker arm 56 in order to move the sole arm to the right or left · The lever 56 is pivotable about a fixed axis 57 and is open one side with a pull rod 58 and on the other side

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connected to a tie rod 59 · As a result of the action of a spring 61 or 62, the two tie rods 58 and 59 by means of a recess 63 or 64 with a rod 66 in engages on one about the shaft 21 versohwenkbarem Bracket 67 is attached

As a result of the action of a peder 68, the bracket 69 lies Ib position of rest against an arm 69 fastened to the shaft 21 to · A pin 71 is attached to the tie rod 58 each of the two linkage rods 13 corresponding to the two left type wheels 1 can interact with an extension 72, while a pin 73 is attached to the tie rod 59 is »the old one approach 74 of each of the two connecting rods 13 corresponding to the two right type wheels 1 can interact ·

Each connecting rod 13 (? Ig · 2) is attached to a pull arm 91 articulated »the one assigned to one of the connecting rod Shaft 92 is attached, which is rotatable in the fixed frame of the machine · On each shaft 92 is a Selector blade 93 is fastened by a tooth 94 one slider of a row of sliders 96 each assigned to a symbol of the type wheels 1 pivot clockwise lets · Ea are four types of sliders 96 * which pass through the position of their tooth 94 differ from one another, which determines which connecting rod 13 is moved and consequently the selection of the correct type radea causes *

Each slide 96 is on two fixed axes 97 and

98 slidable and is in the rest position with the help of a spring

99 held against the axis 98, a pawl 101 is hinged to each slide 96, which with the help of a In the rest position, recess 102 is in engagement with a thrust member 103 which is also articulated to slide 96

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ufci is connected to the pawl 1Q1 by means of a spring 104 is »Each pawl 101 can with a shoulder 106 of a shaft 107 cooperate, to which a corresponding touch button 108 is attached * Each shaft 107 is with With the help of a Langloohes 111 on a fixed axis

112 slidable against which he is in the rest position by a spring

113 is activated *

Each pawl 101 can cooperate with a universal rod 114, the one with the help of two arms 116 and 117 Shaft 118 is attached, which is rotatable in the fixed frame of the keyboard · On the shaft 118 iat a pull arm 119 attached, which is connected via a connecting rod 121 to a bracket 122, which in turn in the Frame of the machine rotatable shaft 123 is pivotable »The bracket 122 normally holds with the help of a shoulder 124 the clutch 34 is released or disengaged * In addition, the bracket 122 is in the rest position via a further arm 126 and held against a cam disk 128 fastened on the shaft 32 under the action of a spring 127

Each Sehubglieä 103 can with the help of a paragraph 129 with one on one in the fixed frame of the machine Universal adjustment vanes 131 attached to rotatable shaft 132 cooperate · There is also a pull arm on shaft 132 133 attached, which via a connecting rod 134 to a lever pivotable about a fixed axis 137 136 is connected, which is normally fastened against a spring 138 on the shaft 32 under the action of a spring 138 Cam 139 is in contact

The shoe members 103 can also with the help of a tooth 141 (Fig. 4) with a universal reset rod 142 work together »on a fixed axis

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144 pivoting cheek 143 attached iat die, cheek 143. is in turn connected with the aid of a connecting rod 146 a pull arm 147 attached to the shaft 21 connected The Univ er sal-Rüclt.st el! Rod 142 can also be used with a lug 148 of each of the slides 96 cooperate

Each slide 96 (FIG. 2) is provided with an attachment ζ 149 which can be brought into the path of movement of a selector tooth 151 _r , which is attached to a shaft 152 which forms part of the sioh changeable from an inoperative position to a number of working positions _pO0itio-: kidney leaves · the different teeth 151 are mounted on the shaft 152 in a changing according to the angular position of the carried by the corresponding one of the type wheels 1 each Schriftzeiohens or type angular position · on the shaft 152 a Sahnrad 154 is mounted, the one around a fixed axis. 157 swiveling toothed segment 156 is constantly in engagement · The toothed segment 156 is connected to the bracket 119 with the help of a connecting rod 158 ·

By depressing a write key 108, the Corresponding leg 107 that the pawl 101 rotates counterclockwise by the action of the projection 106 and pushes the rod 114 downwards Rod 114 has the effect of pulling arm 119 and connecting rod 121 that bracket 122 moves counterclockwise pivoted and thereby the clutch 34 from the main shaft 32 triggers its rotation by one counterclockwise rotation begins · In addition, the pawl 101 gives the Push member 103 freely, which is under the action of the spring 104, pivoted in the opposite direction until the heel is brought into the trajectory of the wing 131

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Now hold the pawl 101 and the Sohubgliei 103 wtoheelseitlg able to fig · 4t so that the button 108 (iig · 2) can be released immediately · As a result of the Action of each 113 then returns the key to its upper Position backward Now the bracket 122 is in the middle of his Arm 126 against the raised part of the profile of the cam disc 128, ao that it reached the rod 114 in the Holds position

At the beginning of the work cycle of the shaft 32, the cam lever 139 causes the lever 136 to pivot counterclockwise, ao daaa the connecting rod 134 afterwards is moved at the front · The pull arm 133 has the effect that the adjusting lever 131 is swiveled clockwise and in doing so, by acting on the shoulder 129 of the lifting link 103, the Einatellaohieber 96 close to the front The tooth 94 of the slide 96 then causes the corresponding adjusting wing 93 is swiveled clockwise and with the help of the pull arm 91 the connection atang 13 near the front, which engages the receptacle 17 of the pull rod 11 with the rod 18 of the bracket 19

As an example, let it be assumed that the tie rod 11 of the depressed one assigned to the right outer wheel 1 is assumed Key 108 sprayed out * With the help of approach 74 (Tig * 3) causes the corresponding connection aatange 13 also, that the pull rod 59 sioh swiveled counterclockwise and thereby terminating its engagement with the rod 66 · At the same time, the cam 31 causes sloh the lever 29 pivoted together with the shaft 21 in a clockwise direction. The pull arm 147 (Pig · 4) thus pivoted in a clockwise direction and thereby causes the cheek 143 to be with it With the aid of the connecting rod 146, it is pivoted clockwise. Thus, the universal adjusting rod 142

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moves upwards, taking it by pushing on the thrust link 103 meets its renewed engagement with the pawl 101 in the ineffective position according to fig »2 causes · Aueserde« the rod 142 (Pig · 4) is arranged behind the extension 148 of the slide 96 »so that its adjustment would be released at Duroh the adjusting wing 131 backwards to the end of the Arbeitsiyklua is prevented · At the same time the swivels Lever 27 (Pig »2) turn the bracket 19 bit using the leather 24 la clockwise, the bracket causing the Toothed segment 156 with the help of the connecting rod 158 im Terso is swiveled counterclockwise, then turn there Gear 154 and shaft 152 together with teeth 151 clockwise while rod 18 is selected Pull rod 11 is moved downwards, causing the corresponding tooth segment 9 (Tig »1) to pivot Button 106 corresponding tooth 151 (fig * 2) against the approach 149 of the slide 96 in question comes into abutment · The Type wheel 1 (fig * 1) remains while the selected Type · or the selected character of the platen 38 is opposite, in position · The arm 69 (Pig · 3) in turn causes the bracket 67 with the help the spring 68 is swiveled clockwise. The rod 66 causes the pull rod 58 to move downwards and thereby swiveling the rocker arm 56 counterclockwise, the slide 6 is shifted to the left, in order to be stopped by the stop of the extension 39 against the stationary Ansati 42 · In this position it is located the rseht · outer type wheel 1 on the writing parts while the relevant slide 2 has a »hammer 77 (fig · 1} opposite ·

If the connection corresponding to the right inner type wheel 1

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is pushed forward in the eye of the dung, causing the approach 53 (Fig. 3) the corresponding »connecting rod 13 the Pivoting the lever 49 counterclockwise. In this lalle is the lateral adjustment of the slide stopped when the approach 46 of the carriage against the right approach 48 de «lever 49 comes into abutment, whereby the right inner type wheel 1 is brought into its writing position · Corresponding processes take place when setting the left outer type wheel 1 and the left inner type wheel 1 corresponding connecting rods 13 instead of · In this case, the pull rod 58 remains in its rest or inoperative position, and the pull rod 59 is down shifted »whereby« an adjustment of the slide 6 close to the right causes

The slide 2 brought to the Sohreibstelle lies with a shoulder 76 in the path of movement of the hammer 77 » the one in the fixed frame of the machine rotatable shaft 78 fixed and adjusted to the center of the writing point · For this purpose is attached to the shaft 78 an arm 79 with circular profile 80 attached, which is in the rest position against a roller rotatably attached to the lever 27

82 rests · The hammer 77 can also by means of a Tongue 83 cooperate with a pawl 84, which in turn is pivotable on a fixed axis 86 and in Buhelage by the action of a spring 87 against the tongue

83 rests · The pawl 84 can interact with an extension 89 of the lever 27 with the help of another arm 88 »

In. In any case, the lever 27 (Fig. 2) completes when that selected characters are located at the place of writing, rotating it clockwise and stretching in the process 41 e spring 24 · Hun more the roller 82 (Fig. 1) of the

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Lever 27 on the circular profile 80 of the arm 791 until it verläset * Then, the arm 79 of the spring is pivoted durofa action 81, stopped slightly in Gegenuhraeigerainn, wherein he pivoting drives the hammer 77 at © until the Zung® 83 on the pawl 84 As it continues to rotate, the lever 27 comes into abutment with its extension 89 against the arm 88 of the pawl 84, which is then taken along in order to pivot and release the tongue 83 of the hammer 77 the hammer turns counterclockwise, actuating the sofa friction slide 2 (Pig * 1) of the selected type wheel 1 - which thus strikes against the platen 38 ·

Towards the end of the working cycle of the shaft 32, the lever 27 is pivoted in the counterclockwise direction, and the roller 82 is effected the renewed engagement of the hammer 77 with the pawl 84 · Simultaneously becomes the return rod 142 (Mg · 4) of the cheek 143 brought into its inoperative state, while the selected slide 96 follows it and thus by the spring 99 is returned to its inoperative position

At the end of the working cycle of the shaft 32 (FIG. 2) the Cam 128 so that the arm 126 jumps around clockwise as a result of the action of the spring 127, so that the sowing device 124 disengages the clutch 34 again

The different alphanumeric characters of the four Type wheels 1 can also be written or printed under control by code combinations in the form of signals received from a central data processing system, ao that the printing or writing mechanism as Data terminal is used · This is controlled with the help of an electronic control unit 160 (Fig. 5), such as they for example in the British patent application no »

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43 987/68 is described * You slekta? ® »The same control unit 160 can be used as a data processing facility with a channel 161 which is» known «according to any one! Record encoded data »The unit 160 transmits the» data via a channel 162 is a Umeoditrtr 1S3. The output deaUmeodierer * fc consists of atoh »Pages At B» C, J) ₉ E ₉ Ϊ »of which one is provided for tift Bit dee umeoditrtoB 8e * ha-Bit-0oöe ·

The code for the signal combinations on line ^ A ···· J is chosen so that all SohrlftMieh »With the same angular position on the animal character wheels 1 of the same combination of the animal signal · on lines A» B, 0 _t S are assigned »Se? Öode for these animal signals is a binary code of the digits 1 * 2 * 4 » Sp so that» eefaiehn different combinations can be supplied · Besides »· the signal on the line A signifies the signal on the type wheel 1 generally one of an odd number Toa Winkdlsohritteii are arranged corresponding angular position * while the absence of the signal SohriftzQiohen in a straight angular position (ä »h» a number of _: angled aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaof of: angular ears corresponding angular position) means · On the other hand, the alphanumeric Sohriftaelohan each type wheel 1 corresponds to a combination assigned to the two signals on the lines e "9 _t yielding under" · aohiedXiohe combinations four *

The lines £>? are at the input of a register 165 with two binary digits attached * that to its »output four lines; 166 has »every line 166 kana normal: * - keep an electromagnet 168 arranged on one of the type wheels 1 excited. Sas register 165 can be used for Jtd * Ioä— filiation of those stored in lines E »1 Oodesignalθ a single; the magnet * 163 energizes

You lines A » B ₉ C _t 3) ßisid & n the input of an electro»

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»Isehta Vergieiohavorriohtung attached, the sas #inea Signal converter 1 & S and a pulse counter. 170 with iriecr Mnaretellem ce stands · 5 count? 170 can b «i & Üpfang • ine «« ·? for the position to be selected, according to Xapulaes, a signal such as naohitehena to be discussed in more detail 1st · in detail can dita ·· signal via a bistable · Ilip-Ilep circuit 171 • Press inta AahaXte-llektromajpitt 174. Pie flip-flop-8ofealtung 171 is usually located in a working family State »to keep the electromagnet excited ·

In Oer shaft 32 (YIG * 6) is a Seheibe 172 attached, the ven to their AussenumfaBg with a series of plates 173 aua ferromagnetic · * Material iet vtrsehest that j * - are wells arranged in the Winkellag · _f the shaft 32 occupies "When a! Character wheel 1 brings each of its characters into the writing position", taking into account the laws of motion that the cam 31 (fig * 2) has in styles 27, 19, 11 and 12-the character wheel 1 hermitttin ₉ to di © Shaft 152 is stopped »._ ■ A signal transmitter is arranged on the outside of the sole plate 172, which consists of a magnetic detector 178, the primary sounding of which is fed to create the magnetic field around an Eera 176 from a direct current source 175 The flat surface 175 opposite the core 176 gate, a signal is induced in the seirindärwloklung of the detector 178 "The conduction of the secondary winding is connected to an" impulse-shaped "control 177 (? ig * 5)" the the

Signals in electrical o · Reohteo pulses with

same terieiohen umsuwandela and * ie to strengthen » to "feed a binary counter 170"

Dit lititung Λ can also use a · bistable? Lip-? Lop ~ Circuit 181 in an odd-numbered electromagnet 185

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betätigeti _t flop circuit Plip-is normally held energized by the bistabile- · It will flip-flop Sohaltung 186 each time "when a Oodekombination a valve disposed on a daisy wheel 1 in odd angular position Sohrifteeiohen represents" with the aid of the signals at the line A switched to de-energize & en electromagnet 185

The pulse shaper circuit 177 is auseerdem connected to a counter 182, which immediately after the amplifier circuit _f 177 to sounded out by the detector 178 in accordance with the twelve Sohriftzeiohenstellungen each Sypenrades in the course of a working cycle of the shaft has sent 52 twelve pulses generated "on a line 183 can generate a signal * The line 183 is directly connected to the control unit 160 in order to supply the input of the umoder 163 from time to time with the help of the signals generated by the counter 182. The line 183 is also connected to another input of the Plip -Plop holdings 171 and 186, register 165 and counter 170 connected to return the device to its initial state at the end of the operating cycle of shaft 32

To start the printing or Sohreib terminal is a Circuit 187 is provided which is able to send out a start signal which indicates that the Druok or Sohrerubbing mechanism is ready to receive · The circuit 187 is connected to a flip-flop circuit 189, which is a normally can actuate de-energized start electromagnet 192 »The plip-flop circuit 189 can be used when sending of a start signal through circuit 187 to energize electromagnet 192 «

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The flip-flop position 189 can be used to de-energize the start. electromagnet en 192 brought to its ineffective position surUek as soon as a decoder 188 is connected to the lines A oe * f the presence of a special stop godekosfolnatlosi determines the data files normally transmitted at the end of each block by the control unit 160 via the mood controller 163 is transmitted

Each solenoid 168 (Pig x 6) normally holds against the action of a corresponding spring 198 an anchor 199 is tightened »The anchor 199 is on a stationary Axis 202 pivotable and connected to a transmission element or a slide 204 by means of a pin 203 » Each slide 204 is at the front of each connecting rod 13 with the aid of an elongated hole 206. which pin 205 slidable · Each slide 204 is with a tooth 208 provided with the Univeraal adjustment wing 131 can work together · Usually located in calibration the four teeth 208 outside the movement path of the setting wing 131 · The connecting rods 13 are equipped with a Tooth 209 is provided, with which a shoulder 207 of a lever 211 can come into engagement, which is hinged to the shaft 144 and in the idle state due to the action of a spring 210 against the universal rod 142.

The even-odd electromagnet 185 (Fig * 7) stops in In the idle state, an armature 213 corresponding to the armature 199 is attracted against the action of a spring 212 Anchor 213 is made with the help of a tenon and a langlooh Link connected to a lever 214 articulated to a fixed axle 216. The lever 214 is by means of a spring 217 with a also hinged to the fixed axis 216 and normally against a lug 219 of the lever 214 adjacent lever 218 connected ·

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The lever 218 can interact with the rear ends 222 223 of two pawls 224 and 226 articulated to a fixed axle 227 by means of a lug 221 · Normally the lug 221 lies opposite the end 223 of the pawl 226 and opposite a recess 228 of the pawl 224. As a result of the action of a S'eder * 227 is located on each pawl 224, 226 in idle state against a Anaata 229 of a lever 2JQ) on which the armature 231 of the stop solenoid 174 is mounted "

The pawl 224 can come into engagement with the teeth of a wheel 232, while the pawl 226 can come into engagement with the teeth of a second wheel 233 corresponding to the wheel 232 The teeth of each wheel are offset from those of the other wheel by the distance corresponding to a movement of the shaft 152 _f in which the wheel 232 can come into engagement with the pawl 224 are related to the various possible rotations of the Iypwheels 1, starting from their inoperative position, by an even number of angled ears. The different angular positions of the shaft 152 are correspondingly in which the wheel 233 can come into engagement with the pawl 226 ₉ to the various possible rotations of the T ypen wheels 1 from their inoperative position related to an odd number of angular increments *

The start solenoid 192 (3? Ig # 6) has one in one Excitation coil 234 displaceable cylindrical rope core 233 '»by means of a pin and slot

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The connection is connected to a lever 236 which, in turn, can be pivoted on a fixed axis 237 is * The lever 236 is provided with a pin 238, the as a result of the action of a spring 239 a lever 241 eo With that he is in the [state of rest against the action of a The spring is tensioned between the lever 236 and the lever 241 242i is pivoted clockwise »

The lever 241 can by means of an approach 246 with a AnacJaIag 247 tines »on the one hand to a pull arm 249 (fig · 8) connected slide 248 to interact » The pull arm is firmly connected to a locking wing 251 ^ the hit the shaft 1Q7 of each button 108 of the machine susammeimnrirkexL is able «. The pull arm 249 is in the Erthe-SU at and dureh the action of a spring 252 against one fixed stop 253 held so that the locking wing «I au sa receive» de? Path of movement of the sole them is located and the keypad is thus unlocked is·

In addition, the lever 236 (Pig »6) lies with its approach 252 * in the idle state against a pivotable about the shaft 123 three-armed lever 253 * on · The lever 253 * is with provided with a roller 2J56 with a on the main shaft 32 attached cam 257 is able to work together * The lever 253 * is connected to a slipcase 258, which can be moved on the axis 227 (fig * 7) and by means of einta cream · 261 (fig · 6) bit one attached to the bracket 122 Pin 262 for Iiöaen the coupling 34 to cooperate able · The slide 258 (fig · 6) is in the rest state by the lever 253 * against the action of a spring 255 held in its position shown in the newspaper and is by means of a cone and Langlooh

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Connection to an Aoha® 26S protruding on the reverse hwenkfearen bracket 264. The Mgel 264 is provided with a cross section 267 ^ öas by the slide 258 in the resting state against the anchors 199 and 213 (Tig 6 and T) of the four ! Electromagnets 6 & and the electromagnet 169 'is acted upon by the second slide 258 (fig. 7).

Thus, the slide 258 holds with the help of an extension 274 (? Ig · θ) a lever 277 which can be swiveled about a fixed "axis 276 vsrsohwenkbaren in such a way" that this lever is locked counterclockwise against the action of a spring 276 Seat 279 to interact with a pin 2Θ1 of the pulling arm 249 and by means of an extension 282 with an extension 283 of the pulling arm 119, which is normally in its position near Fig. ₉ 8 The extension 283 (Fig. * 2) is provided with an extension 284, which with a recess 286 (FIG. 8) formed in the pull arm 249 is able to interact

The lever 277 is also provided with an extension 287, which in the rest state opposite an extension 288 on a fixed pin 291 displaceable slide lies · The slide 289 lies in the rest state as a result of the action of a spring 292 against a shoulder 293 of a Lever .294 on · Lever 294 is around a fixed axis 296 νerschwenkbar and is at rest due to the Action of a spring 290 against a connecting rod 146 attached to the actuating rod 142 (FIG. 4) Pin 295 on · In addition, the base fiber 289

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(Pig · 8) held with the help of the spring 292 so that it is against one on the one with the universal lens bar or the setting ellf lüg el 131 (Mgβ 2) firmly connected pull arm 133 attached Pin 298 rests

Finally, the slide 289 (FIG. 8) can interact by means of an attachment 299 with a shoulder 301 of a lever 302 which is pivotable about the axis 227 and, in the idle state, due to the action of a spring 303, rests against an impact pin 304 normally a pawl 307, which is urged by a spring 308 tensioned between the lever 302 and the pawl 307. The pawl can be pivoted about the axis 227 and is able to engage with a toothed wheel 309 fixedly mounted on the shaft 152 . The wheel 309 is provided with a number of teeth which is equal to the number of characters provided on the type wheels 1

The work of the printing or writing mechanism, when receiving code combinations, is carried out as follows:

When the start signal is sent by the circuit 187 (FIG. 5) the flip-flop 189 is actuated to energize the start solenoid 192. Then the Plunger core 233 '(Fig. 6) is attracted, which causes the lever 236 to pivot clockwise and thereby the Detach pin 238 from lever 241 and lug 252 'from lever 253 *, thus releasing slide 258. Thereupon the lever 241 acted upon by the spring 242 pivots counterclockwise until it rests against the tooth 247 of the slide 248 · The slide 258 is in turn due to the "action of the spring 255 forward (when considering 6 to the right) and causes

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the lever 253 * is swiveled in the counter-clockwise direction, while its roller 256 rests against the profile of the cam disk 257. The slider 258 also releases the port set 268 non dent lever 230 (FIG Clockwise causes the armature 199 (Fig. 6) of the four electromagnets 168 and the armature 213 (Fig. 8) of the electromagnet 185 to release _e bel 277, which then pivots clockwise as a result of the action of the spring 276 until it rests against the extension 283 of the pull arm 119 by means of its extension 282 the pin 262 and thereby causes a pivoting of the bracket 122 in the counterclockwise direction and thus a release of the write coupling 34 so that the main shaft 32 begins to rotate in the counterclockwise direction »

In addition, the bracket 122 operates via the pull rod 121 (FIG. 8) and the pull arm 119 so that the extension 284 is guided downwards and thereby opposite that in the pull arm 249 formed recess 286 comes to rest »The released in this way lever 277 pivots as a result of the action of the spring 276 in a clockwise direction and thereby, by acting on the pin 281, causes the pull arm 249 pivoted in the same direction of rotation, the spring 276 overcoming the spring 252 and thus the slide 248 close is moved forward »The universal wing 251 swivels together with the pull arm 249 so that it is under the Shafts 107 of the keys 108 is brought and thus the keypad for the entire duration of the message to be written locks * At the same time the pull arm 249 comes by means of its recess 286 with the extension 284 of the pull arm into engagement, so that the release of the coupling 34 (Fig. 6)

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is brought about and, as a result, the shaft 32 steadily can rotate · The lever 241, which is no longer blocked by tooth 247, swivels as a result of the action of each 242 counterclockwise and locks the slide 248 in its front position

During the first working cycle of the shaft 32, the The machine does not select because the electromagnets 168, 185 and 174 (Figo 5) are excited Hammer 77 operated ineffectively against the fixed plate 4 (Pig · 1) · In detail, the slide 258 (Pig · 6) by the cam 257 together with the bracket 264 and the lever 230 (Pig · 7) in its starting position fed back, while, as described in more detail below, the slide 289 (Pig «8) for the next working cycle the shaft 32 (FIG. 5) is actuated. The twelve signals picked up by the detector 176 are now coming one after the other at the counter 170 »

When the circuit 177 receives the last of these signals, the circuit 182 returns the flip-plop circuits 171 and 186, the register 165 and the counter 170 to their inactive state via the line 183, while it supplies the control unit 160 with a signal, that feeds the first code combination to be written to lines AI ^{1 »The signals of this combination.} lines E, P are then stored in the register 165, the · then causes as needed, the de-energizing of only one of the electromagnets 166 (Pig * 6) On the other hand, the signals on dew line A "B, G, D with the aid of Circuit 169 reversed and stored in counter 170, which thus contains the complement to sixteen of the number representing the position to be selected »In addition, assuming that the selected character is on the relevant character wheel 1 in

-23- 9098A5 / 1151

~ 23 -

one corresponding to an even number of angle steps Position, the line A has no signal and consequently the electromagnet 185 remains energized. The armature of the electromagnet However, e 168 and 185 are temporarily due the bracket 164 (FIG. 6) is held "as the roller 256 of the lever 253 * is located on the raised part of the cam disk 257

At the end of the first working cycle the if eile 32 jumps Roller 256 as a result of the action of the spring 255 on the lowest part of the cam disk 257 over, so that the Slide 258 is moved forward again, while the bracket 264 and the lever 230 (Pig x 7) in their protruding Sarauf becomes the armature of the de-energized electromagnet 168 (Fig. 6) pivoted clockwise with the aid of the spring 198, so that the Ses. ■ sor 204 is led downwards and thereby brings its tooth 208 into position opposite the universal wing 131

If now the wing 131 is pivoted clockwise, it pushes by acting on the tooth 208 of the selected Sohiebers 204 on the one hand the corresponding connecting rod 13 forward, so that (as already described) the Type wheel 1 is selected on which the character to be printed is arranged, while on the other hand the Pull arm 133 withdraws the pin 298 (Fig. 8) from the slide 289. On the other hand, the cheek 143 releases with the aid of the Universal rod 142 releases lever 211 (FIG. 6), whereupon the Lever 211 swivels clockwise and sioh with its sowing s 207 rests against tooth 209 of the selected connecting rod 13

When moving the connecting rod 146 (Pig · 8) after

-24- 909845/115 1

In turn, it allows spring 290 to denote Lever 294 swiveled counterclockwise so that the The slide 289 is released by the shoulder 293 * Then the slide 289 is opened as a result of the action of the spring swiveled clockwise and pushed forward until it rests against the shoulder 301 of the lever 302 · Meanwhile The shaft 152 rotates as a result of the action of the cam 31 (Pig · 2) via the bracket 19 and the connecting rod 158 of the tooth segment 156 clockwise

Accordingly, the detector 178 detects (Pig · 6th) successively the passage of the ferromagnetic plates 173, generating a signal for each of them, which is fed to the binary counter 170 via the circuit 177 (Pig · 5) preselected position receives corresponding impulse, d »h · once the character wheel 1 has performed a number of steps equal to the complement of sixteen of those in the counter 170 is the number stored, the counter has stored the number formed by 1111 in binary code sixteen and sends out a signal which switches the flip-flop circuit 171 and thus de-energizes the electromagnet 174 So the lever 230 (Pig 7) swings under the action of the Spring 269 counterclockwise, whereby he the lug 229 from the pawls 224 and 226, which are thus due to the action of the respective springs 227 * in the same direction of rotation swivel

Provided that, as assumed, the electromagnet 185 is not de-energized iat, the pawl 226 is stopped by the anchor 221, while the pawl 224 with the tooth gap located in its path of movement at this point in time of the toothed wheel 232 came into engagement thereby holding

-25- 9 0 9 8 4 5/1151

the pawl 224 the closest tooth of the Radee 232 together with the shaft 151 in the one to be written and on the corresponding type wheel 1 in an even number of Angle holes arranged corresponding angular position Sohriftzeichen corresponding position to »

If, on the other hand, the letter to be written is on the relevant character wheel in an odd number of angular steps corresponding angular position is located, a signal occurs on line A (Pig »5) as the result whose plip-plop posture 186 is rendered ineffective and consequently de-energized the electromagnet 185. The extension 221 is then in the path of movement of the edge 222, so that the pawl 224 is stopped by the shoulder 221 * while the pawl 226 pivot can until it comes into engagement with the had 233, so that the shaft 152 in its immediately after stopping the Wave 152 and before the hammering was effected 77 (i * ig * 1) the one to be written, in an odd Number of angular steps corresponding angular position arranged characters stopped corresponding position becomes ©

As soon as the counter 182 (Pig "5) the last of the Detector 176 counts transmitted signals, the control unit 160 generates the next code combination to be written the lines A - P and at the same time the circuit elements 165 »170, 171, 186 and 188 returned to their inoperative state»

The universal rod 131 (Pig · 2) pivots on its return to the inoperative position counterclockwise and causes the slide 289 with the help of the pin 298 (Pig 8) naoii is shifted to the rear so that a ter-

-26- 909845/1151

pivoting the Heiseis 302 caused in a counterclockwise direction Now, the lug 306 allows the pawl 307 to engage the toothed wheel 309 and thus the by which the shaft 152 reached position is reached * At the same time, the cam 257 causes the slide 258 is pushed backwards and over the Bracket 264 the armature 199 (Pig · 6) of the de-energized electromagnet 168 and the armature 213 (]? Ig · 7) of the electromagnet 174 returns to its rest position. Almost simultaneously, the printing of the as described above takes place Sohriftzeiohens instead, its location opposite the writing point now by the engagement of the pawl 307 (Hg. 8) in the wheel 3O9 is determined · Towards the end of the working cycle of the shaft 32 (Pig * 6), the cheek 143 returns to its rest position, as a result of which the lever 211 the connecting rod 13 engaged with it releases the connecting rod 146 (Pig * 8) in turn moves again forward and pushes the lever 294 around with the help of the pin 295 until its extension 293 the Pivoting the slide 289 counterclockwise and this causes the release of the lever 302 · Then pivoted the peder 303 the lever 302 clockwise and thereby releases the pawl 307 from the wheel 3O9> so that the shaft 152 can be returned to its inoperative position

Writing cycles follow one another continuously as long as the control unit transmits characters to be written, since the lever 236 (Pig 6) does not re- ^{engage with the lever 253 f at the end of each cycle.}

When the stop code combination is picked up by lines A-P is »it is recognized by the decoder 188 (Pig · 5) and the plip-plop condition is made ineffective $ so that the starting electromagnet 192 (Pig · 6) is de-energized «Barn»

-27- 909845/1151

If the lever 236 pivots a little counterclockwise to the action of the spring 239, until it ^{comes into abutment with its shoulder 252 1} against the lever 253 ', the lever 253 puts "on it" as soon as the cam disk 257 causes its pivoting in the clockwise direction - the shoulder 252 In its position shown in the drawing (Fig. 6), the lever 236 also causes the lever 241 to pivot clockwise with the help of the pin 238, so that the tooth 247 of the slide 248 is released * In addition, it pivots by the spring 252 acted upon pull arm 249t when the slide 258 (Fig. 8), moving close to the rear as described above, returns the lever 277 to its starting position with the help of the extension 274 _t in a counterclockwise direction, so that the keypad is unlocked and also the extension 284 of the pull arm 119 is released · At the end of the working cycle of the shaft 32 lötrfc Now the bracket 122 (fig · 6) again the supplying 3 · * »

Wb / Hf -28-

909845/1151

Claims (1)

- 28 - Patent claims * Device »for optional positioning of a movable Part from an inoperative position to a series of working positions in accordance with a combination code in which the one to be selected Code combination corresponding to the working position is temporarily stored in a binary pulse counter which is previously, in binary code, the complement of a step number to be executed by the moving part can store the number representing, the part being controlled by a cyclically rotating main shaft is returned to its inoperative position by the shaft »characterized in that the counter (170) by controlling a number of signal-generating elements (173) which, in the working positions, are arranged on the shaft (32) corresponding to angular positions and are able to generate a signal each time they pass through a predetermined position » 2 door direction according to claim 1, characterized in that that a further counter (182) the first counter (170) upon receipt of the by {every duty cycle capable of zeroing the signal generated by the last element (173) passing through the predetermined position. 3 »Device according to claim 2, wherein the movable Part can operate a type carrier of a bridging or writing mechanism, characterized in that by the signal generated by the last element (173). the supply of a new code combination a memory (160) can be generated in the first counter (170) » '-29- 909845/1151 4 * Torriohtung & a © fe & e © pxu® & 3 $ fe © i iwXohae der Bruek- or SchreiMeehaMasiBis a feiappe Ύοπ fyp © nträger »includes * di © € ta * © .i T © ^ aoJainteag te a © advise Siohimig auawäkllar. siiiiij w © b © it @ E on this © Wels® selected type ent rag <sE lait Hilf © the most flexible file in a second liqb, tuag from a- ujwirfeamea position to a 'Ssm & k- hm & SQteaiba-feaXimng is »dadureli g® k0Haa0 ± Qha © t _f - fiassj fliig'eh © in © elsheit (161) -Ιθμ "© rst © B 2äfal © E - (1TO) © Ib. Q ^ dea? Signal © ö © s" öodekömM & atioa.- mal ® ia. swsiter rope of the "gigaaX © © ines Segistes? (165)" on WsSEbe & ist »- duron that the selection de ©" öttreff © ad @ m Sjpeaträgs ^ s (1) is controllable © - - - "" 5 »¥ orriöhtung na © h a, represents claims 1 to 4 _f laei which check the main shaft by a coupling periodiselt feetätigen can, _P» characterized in that the clutch (34) under! Control Durah a start solenoid (192) eingerüekt is, whereby means are provided * which prevent a Söaem of the clutch (54) "until the starting electromagnet is de-energized» 6ο Device according to claim 4 or 5 »characterized in, that the register (165) has a group idle energized selector electromagnet (168) controls whose Anchor via transmission members (13) individually to the respective Type carrier (1) are connected »whereby the electromagnets as required generally correspond to the Combination of the second part of the signals can be deenergized are to the corresponding transmission link with a through the main shaft (32) periodically operated universal rod (18) to bring into engagement and thereby the corresponding type carrier with the movable part (152) to connect » -30- 909845/1151 Itorxieh / ttung nactk Aespruah. 6 * ä & QB äUT & h den erat® »voters (170) eis im'Bt & esustaad. energized further WäM.elekt@Kagnet (174) can be controlled »deaseia anchor (25t) an AnaetalagTOxrlehiningett (232 _r 233» 224r 226) for. fiaa movable rope "(152). is sohlassett, whereby the further electromagnet (174) % © ± filled counter is de-energized» uia die ^: Alis chi agvo rriohtungem-effective snt-maohen ₉ and whereby the .Schriftiseiohea ai £ den irerscfeiedentB Sjpentei, g @ rm (1) feesüg- - - liefe eier the same movement is with the same SomfeiaatiQa of the first part "of the - signals agree" 8 « tQ '££ ± Qhtumg -nash- iass die üisohlag ¥ ori? iahtungeii ans © ± asK Heih © tos © ja. ■ "" the liiBwegli.eheit feil (152) tefestigtsm laseh would be _v .- (232? 253) ftestebesy where- the * .Aaschlgge -'- each row ":. In an Afestssä ¥ oaeiaa3ßi © s» asag @ © rda © "fe" -siiid · "the dai feeifaisfes cl®s Afestaaiaa swisisfees sem. atellsagaa IsQ-feriziertii where far he -the attacks one. ; Eeihe -wx the stops of the other Eeiiie are arranged offset from one another by one step of the moving ax, and two counter base saws (224 »226) assigned to the two rows of stops can be selected» in order to stop the moving rope under the control of one of the signals of the first file » 9 · 8 _t Anspruoh Naeh device characterized in that the Gegenansohläge (224> 22 €) by a select jack by means of the signal (A) of the first (salvation of the signals controlled further Wählelektromagneten (185) are controllable in bar and by means of an element (218), which is connected to the armature (213) of the further electromagnet (185) ao »that in accordance with the -ji- 909845/1151 ~ 31 - Suetand the signals (A) one or the other of the two ftegenansanlag can be selected * 10a device naoh claim 8 or 9ι in which the moving part consists of a rotating shaft, which can be connected to a series of independent type wheels as required, characterized by « that the two rows of stops paved the way for two Wheels (232, 233) and the counter base saw there are two pawls (224, 226) which can be released periodically by the main shaft (32) 11 · Door direction according to claim 10 _s characterized by a further toothed wheel (309) with a tooth pitch amounting to half the tooth pitch of the two wheels (232, 233), which can be brought into engagement with a further pawl (307) which, as long as the Start solenoid (192) is excited, can be actuated periodically by the main shaft in order to take the place of the two pawls (224, 226) in a later part of the working cycle of the main shaft (32) when the moving part is adjusted. 12 · Door direction according to one of Claims 5 to 11, characterized by the armature (199) of the selector electromagnet (168) Yerrdegierenden means (264), which normally are effective and can be made periodically ineffective by the main shaft (32) as long as the starting electromagnet (192). is excited * 13 · gate direction according to one of claims 5 to 12, the furthermore a series on the writing baw · Druokmeohanis- «32- 909845/1151 ~ 32 - active writing keys, characterized by a bar (251) for locking the keys (108) _t which can be activated when the starting electromagnet (192) is energized » Wb / Hf 909845 / 11sheets