US2815912A - Neumann-lezius - Google Patents

Description

Dec.710, 1957 H. NEUMANN-LEZIUS 2,315,912

SETTING MECHANIS" FOR KEY-SET CALCULATING AND PRINTING MACHINE 6 Sheets-Sheet l Filed Feb. 25, 1954 Inventor? 444 5 #504144/0- 4 52/115 Dec. 10, 1957 H. NEUMANN-LEZIUS 2,815,912

SETTING MECHANISM FOR CALCULATING AND PRINTING ACHINE Filed Feb. 25, 1954 6 Sheets-Sheet 2 D 1957 7H. NEUMANN-LEZIUS 2,815,912

SETTING MECHANISM FOR KEY-SET CALCULATING AND PRINTING MACHINE 6 Sheets-Sheet 3 Filed Feb. 25, 1954 Dec. 10, 1957 H. NEUMANN-LEZIUS 2,815,912

' SETTING MECHANISM FOR KEY-SET CALCULATING AND PRINTING MACHINE Filed Feb. 25. 1954 6 Sheets-Sheet 4 m V v I fm emon' #44 Iii/04414 452111:

6 Sheets-Sheet 5 NEUMANN -LEZIUS SETTING MECHANISM FOR KEY-SET CALCULATING Dec. 10, 1957 AND PRINTING MACHINE Filed Feb. 25, 1954 Dec. 10, 1957 H. NEUMANN-LEZIUS 2,315,912

' SETTING MECHANISM FOR KEY-SET CALCULATING I AND PRINTING MACHINE Fil ed Feb. 25, 1954 e Sheets-Sheet 6 q) C Q q) n Q f J United States Patent Office 2,815,912" Patented Dec. 10, 1957 SETTING MECHANISM FOR KEY-SET CALCULAT- ING AND PRINTING MACHINE Hans N eumann-Lezius, Braunschweig, Germany, assignor to Brunsviga Maschinenwerke Aktiengeselischaft, Braunschweig, Germany Application February 25, 1954, Serial No. 412,575

Claims priority, application Germany February 28, 1953 12 Claims. (Cl. 235-6031) The present invention relates to a calculating machine, and more particularly to a calculating machine operated by keys.

It is an object of the present invention to provide a keyset calculating machine which needs a relatively low power for operating the keys.

It is another object of the present invention to provide a structure which can be used either with a full keyboard or a ten-key keyboard.

It is a further object of the present invention to provide a machine enabling items to be set up by the keys while the calculation is continued with the preceding setting up. This will be called the pre-setting hereinafter.

It is still another object of the present invention to provide for an automatic printing, without any additional operational handling, of all items set up by the keys of the machine or calculated items, such as intermediate sums or products, this including items which have been retransmitted.

Other objects and advantages of the present invention will become apparent from the following detailed description thereof when read in connection with the accompanying drawings forming part of this specification and showing, by way of example, some embodiments of the present invention. In the drawings Fig. 1 is an elevation, partly in section, of the parts associated with one decimal place, of an embodiment of a calculating machine according to the present invention, this machine having a full keyboard;

Fig. 1a shows part of Fig. 1 on a larger scale;

Figs. 2 and 3 are, respectively, front elevations on an enlarged scale in two different positions of the driving mechanism of a part shown in Fig. 1;

Fig. 4 is a side elevation of Fig. 2, some parts being omitted;

Fig. 5 is a section on an enlarged scale along the line VV of Fig. 1;

Fig. 6 shows a detail of Fig. 1 on an enlarged scale in a different position from that shown in Fig. 1;

Figs. 7 and 8 are front and side elevations, respectively, on an enlarged scale of a modified embodiment of some parts shown in Fig. 1;

Figs. 9 and 10 are views seen from the top and from the side on a reduced scale of a full key keyboard calculating machine having a mechanism such as shown in Figs. 1-6;

Fig. 11 is a side elevation of certain parts of a tenkey keyboard machine according to the present invention;

Fig. 12 is a development of some parts shown in Fig. 11; and

Fig. 13 is a top view on a reduced scale of a ten-key key'board calculating machine having the parts shown in Figs. 11 and 12.

Referring now to the drawings, and first to Figs. 1 and 1a, an item-introducing mechanism includes the keys 1 (see also Fig. 9) of a decimal place of a calculating machine having a full key keyboard which act,

respectively, through lateral pins 2 or rollers 2 on inclined faces 3 having different inclinations of a common item bar 3 arranged for longitudinal displacement so as to displace the latter by different distances corresponding to the values or items entered by the keys 1. As will be clearly seen from Fig. 5 for each decimal place is provided a separate item bar 3 which is connected by a recess 3a thereof with the head 4 of a twoarmed lever 5. The levers 5 are supported by a common shaft 511 so that each lever 5 is rotatable independently of the others about the shaft 5a. A member formed by the lower end 6 of each lever 5 is offset and engages a stepped recess or slot 7 (Fig. 1), termed hereinafter the longitudinal slot, of an adjustable member or slide 9 formed in its main part as a circular segment, provided with nine abutments forming projecting steps 1-9. The slides 9 are guided by shafts 6a and 7a engaging, respectively, a recess or slot 612 and the recess or slot '7 so that the slides 9 perform a rectilinear movement against the force of tension spring 8 connected to a stationary part 8a of the machine. Each slide 9 is further acted upon by a tension spring 10 connected to the lower arm of the associated lever 55, which urges the slide 9 into a position in which the left end of the slot 7 is adjacent to offset end 6; however, this structure permits the displacement of the lever 5 by the keys 1 in anticlockwise direction even when the slide 9 is pre vented from moving further to the right by the part 12 more fully to be described hereinafter, this being desirable for a preceding of items in the calculating machine. The mechanism including the parts 1-9 will be referred to hereinafter as the item introducing mechanism.

When the slide 9 has been adjusted by depressing one of the keys 1, the step thereof corresponding to the item of the depressed key 1 is in a position in which it is in the path of an abutment 12 formed by the upper end of a bell crank lever 13 (termed hereinafter the first coupling means) pivotable about a pivot 14 secured to a rotatable member 15 formed as a disk provided over part of its circumference with lifting surfaces more fully disclosed in U. S. Patent No. 2,042,986, issued on June 2, 1936, to Richard Haase for Calculating Machines, which allow to adjust over two rocking levers 23, 24 attached to a stationary part of the frame of the machine, two disks 25, 26 for each decimal place to an arbitrary item. The disks 25, 26 are provided, respectively, with five teeth and four driving teeth. In front of the bell crank lever 13 a second bell crank lever 17 (termed hereinafter the second coupling means) is arranged so as to be pivota ble about the pivot 14. The bell crank lever 17 is provided at the upper end thereof with an arm 11 which in the rest position of the rotatable member or disk 15 engages a stationary abutment bar 22a (termed hereinafter the disengaging means) which extends over all decimal places or item introducing mechanisms of the machine and forms part of a stationary guide rail 22 for the slides 9. The lower parts of the bell crank levers 13 and 17 are provided, respectively, with hookshaped noses 18, 19 turning toward each other and cooperating with a sector or cam 20 keyed to a shaft 21 (termed hereinafter the oscillating haft) carrying out oscillating movements about the axis thereof separated by standstills at reversing points. The member or disk 15 is supported by the shaft 21 against which it is freely rotatable. A compression spring 16 (termed hereinafter the resilient means) is arranged between abutments 13a and 17a of the bell crank levers 13 and 17, respectively, and urges the same into a position in which the hooks 18, 19 engage the end surfaces of the cam 20.

The operation of the device so far described is as follows:

When by depressing one of the keys 1 the lateral pin 2 connected thereto is depressed and moves on the asso ciated inclined face 3 of the item bar 3 the latter is longitudinally displaced and in consequence thereof the head 4 of the two-armed lever 5 is displaced so that it carries out a corresponding rotational movement about the shaft 5a which causes a displacement of the offset end 6 within the slot 7 so that the slide 9 follows and takes a position corresponding to the item indicated by the depressed key 1. After that, at the beginning of each working stroke of the machine, the shaft 21 is rotated by hand or automatically in the direction of the arrow A shown in Fig. 1 which is imparted through the cam 20 abutting against the hook 18 tothe bell crank lever 13 and the pivot 14 thereof so that a rotation of the disk is caused which extends until the abutment 12 of the bell crank lever 13 comes to rest on the uppermost step of the slide 9 projecting into the path of motion, thus causing a rotation of the bell crank lever 13 about the pivot 14 leaving the arrested disk 15 to remain in the reached position of adjustment or item position, the hook 18 of the bell crank lever 13 sliding along the perimeter of the cam 20 so that the latter can rotate further together with the shaft 21. In consequence thereof the disks 25, 26 being in adjusting position can transfer the set-up item at the rotation of the main or driving shaft 45 of the machine in either direction over the toothed wheels 46, 47 and 48 to the digit wheel 49 (see also Fig. 9) of an accumulating or total taking mechanism.

Any tens transfers involved thereby are carried out in a manner disclosed in U. S. Patent No. 2,042,986 mentioned hereinabove by a shaft 92 driven together with the main shaft 45 of the machine. If none of the keys 1 is depressed so that a 0 (zero) is set up by the mechanism, the slide 9 remains entirely outside the path of movement of the abutment 12 of the bell crank lever 13 so that the disk 15 follows the cam 20 on the shaft 21 up to the final position thereof in which the disks 25, 26 are again in their rest positions.

When the shaft 21 is rotated in a backward direction, i. e. in a clockwise direction in Figs. 1 and 1a, the cam 20 allows first the hook 18 to snap in and then engages the hook 19 of the bell crank lever 17 so that the disk 15 is returned from the set-up working position to the rest position shown in Fig. 1 in which the arm 11 strikes against the stationary bar 22a so that the hook 19 is withdrawn from the cam 20. Shortly afterwards the shaft 21 is arrested so that the hook 19 of the bell crank lever 17 rests on the circumference of the cam 20. In this position the intermediate setting mechanism consisting in each stage corresponding to a decimal place, of the two bell crank levers 13, 17 and the rotatable member or disk 15 is prepared for settings occurring in retransmission operations from one of the calculating mechanisms referred to hereinafter.

Referring now to Figs. 2-4 it will be seen that the shaft 21 is connected to a gear including a toothed wheel 60 engaging a toothed wheel 61 connected to a crank arm 62 connected by a link 63 with a crank arm 64- rigidly connected to the shaft 65 of a toothed wheel 66 engaging a toothed wheel 67 having half the number of teeth than the toothed wheel 66 and being rigidly connected to a driving shaft 68 provided with a circumferential groove 69, which is engageable by the offset end 71a of a pawl 71 acted upon by a spring 70. The pawl 71 is supported by a pin or bolt 72 arranged in an arm 73 rigidly connected to the toothed Wheel 67. The pawl 71 is provided with a stop 74 engaging a hook 75 forming part of a lever 75a rotatable about a stationary shaft or pivot 75b. The lever 75a is provided with a tip 750 which engages an angle 93a formed in a link 93 which is connected in the manner more fully to be described hereinafter with an entering key 76 (see also Fig. 9), by the actuation of which the lever 75a is rotated about the shaft 75b so that the hook 75 is removed from the stop 74 so that the set-up items can be entered from the setting-up mechanism including the parts 1-9 into the intermediate setting-up mechanism including the part 15.

After actuating the book 75 the link 93 pivotally connected to the member 76:: carrying the entering key 76 is brought out of engagement with the tip 750 of the lever 75a by a stationary pin 94 so that the lever 75a returns to its normal position in which it disengages the coupling 71/69 after one revolution of the shaft 68 (single revolution clutch).

The operation of this gearing is as follows:

In the rest position of the gearing the point of application x (Fig. 3) of the link 63 on the crank arm 64 is in the position denoted in Fig. 2 with b. After release of the pawl 71 by a downward movement of the hook 75 at the pressing of the entering key 76 (Fig. 3), the pawl 71 engages under the influence of the spring 70 the groove 69 of the shaft 68 and thereby couples the toothed wheel 67 with the driving shaft 68 for a full revolution after the completion of which the stop 74 strikes the hook 75 which has in the meantime been brought to stopping position so that the toothed wheel 67 is rotated for a full revolution in the direction of the arrow B and the toothed wheel 66 for a half revolution in the direction of the arrow C shown in Fig. 3. In consequence thereof the crank arm 64 is rotated from the position b into the position d shown in Fig. 2, the crank arm 64 having then the position shown in Fig. 3. During this rotating movement the point of attack y of the link 63 (Fig. 3) at the crank arm 62 is moved from the position b to d (Fig. 2); thus the crank arm 62 carries out a single swinging movement which is correspondingly transferred by the toothed wheels 61, 60 to the shaft 21 to be driven. After the shaft 68 has carried out a full revolution the pawl 71 is again caught by the hook 75 so that the shaft 21 is arrested in the position shown in Fig. 3. During the motion of the shaft 21 the latter takes the disk 15 along as described hereinabove so that it comes into the item positions thereof.

If the book 75 is again disengaged from the stop 74 by actuating the entering keys 76 and thus the driving shaft 68 is coupled with the toothed wheel 67 the point of attack x of the link 63 on the crank arm 64 is brought from the position d back to the position b with the direction of revolution of the crank arm 64 being unchanged. During this half revolution of the crank arm 64 the point of attack y of the link 63 on the crank arm 62 is moved in opposite direction from the position d to the position b so that the shaft 21 is oscillated in opposite direction.

The disk 15 is provided with a partial gear 27 which is connected by two intermediate toothed wheels 28 and 29 (Figs. 1 and 6) to a digit wheel 30 (see also Fig. 9) of an indicator mechanism showing always the position of the disk 15.

By the toothed wheels 27, 31, 32 and the toothed rack 37 formed on a segment 34 supported by the rollers 35 and 36 carried by stationary axles 35a and 36a, respectively, the motion is transferred to the segment 34. Thus the position of the segment 34 is dependent on the posi tion of the disk 15 so that also the position of the segment 34 is indicated by the digit wheel 30. Printing types 33 are carried by a member 33a detachably connected by screws 33b to the segment 34 which brings the proper type 33 in a position opposite a paper guide roller 38. The printing types 33 can be advanced against the roller 38 by a hammer device 51 known per se in the art which comes into operation after each setting movement of the shaft 21. The parts 15/27, 31, 32, 37-34 being coupled with one another by the toothings are arrested in each numerical position by a pawl 35b rigidly connected to the shaft 35a of the roller 35 which engages the gaps between the teeth of the toothed wheel 32.

Each of the digit wheels 43 of the total taking or accumulating mechanism can be coupled with the disk 15 and the digit wheel 30 of the indicating mechanism by means of a coupling KR to be engaged by a radial motion of the toothed wheel 28 with respect to a toothed wheel 51 supported by a stationary shaft 50a. This radial motion is achieved by moving the axle 30a of the digit wheels 30 downwards in slots 77 provided in the frame of the machine so that the toggle joint system 73, '79 (Fig. 6) connecting the shaft 21 with the axle 39a is brought out of alignment against the force of a spring (not shown) holding the same in the stretched position shown in Fig. 1. Thus the toothed wheel 28 engages the toothed wheel 50 being in connection through the toothed wheels 47 and 43 with the digit wheel d9 of the total taking or accumulating mechanism so that at the resetting to zero of an item in the digit wheels 49 of the total taking or accumulating mechanism the disks 15 are rotated from their zero positions into item positions corresponding to the item taken from the total taking or accumulating mechanism which is at the same time allowed to be printed by striking the types of the simultaneously moved printing type segments 34.

The segment 34 is provided with another toothing 39 connected over an axially displaceable toothed wheel 41) forming part of a coupling KZ and further intermediate wheels 41, 4-2 with digit wheels 43 (see also Fig. 9), of a revolution counting mechanism corresponding to the decimal places of the digit wheels 49 of the total taking or accumulating mechanism, and being moved by one digit in a way known per se in the art by a pawl 44 and the toothed wheel 42 at every revolution of the shaft 45.

Thus it will be understood that instead of retransmitting items from the total taking or accumulating mechanism which has been described hereinabove, an item stored in the digit wheels 43 can be transferred and simultaneously printed by an axial engagement of the toothed wheels 40 with the toothing of the wheels 41, the transfer being etfected by a toothing 39 of the segment 34, the toothing 37, the intermediate whteels 32, 31, the disk 15, the swinging levers 23, 24 and the disks 25, 26.

In order to render possible a rapid conversion of the machines according to the present invention from nonprinting to printing machines and vice versa the part 33:: carrying the printing types 33, as well as the printing mechanism including the hammer device 51, and the writing carriage or the printing roller 3S are removably attached to the machine.

Figs. 9 and illustrate the complete calculating machine according to Figs. 16. The machine is enclosed in a casing 130 provided with slots for rendering visible the parts 43, 49, and 39. Furthermore, the roller 38 can be rotated by a handle 38. Also the keys, such as the digit keys 1 and the entering key 76, are accessible from the outside of the machine.

Instead of the disks with the lifting surfaces, the rocking levers 23, 24 and the disks 25, 26, a device shown in Figs. 7 and 8 can be provided, in which the toothed wheel 27 of the disk 15' is connected with a mechanism which is based on the principle of the pin wheel. The parts denoted by indexed reference numerals correspond to the analogous parts without indices shown in Figs. 1-6. The device shown in Figs. 7 and 8 comprises besides the well-known adjusting ring 96 which participates in the transmitting revolution and forms part of the pin wheel controlling the radially displaceable teeth such as 193 by means of members 1414 guided in a step groove 105, an adjusting disk 97 which is supported in the manner well-known from U. S. Patent No. 843,506, issued February 5, 1907 to Franz Trinks for Adjusting-Lever Arrangements for Calculating-lvlachines, by the drum 106 of the pin wheel and is in permanent connection by means of the toothing 97 thereof with the toothing 27 of the disk 15". Also the disk 97 may be coupled, if desired, with the ring 96 by means of a wide coupling wheel 95; which can be brought to engagement with the toothings of the adjusting members 96 and 97 during the adjusting and return movements. The wheel 98 is attached to one end of the double armed lever 1.91 supported by a stationary axle 1100 the other arm of which is connected at 167 with the member 93 connected to the entering key 76. The member 93 has a vertical slot 108 containing the stationary shaft 7a so that the entering key 76 may be pressed down and thus the lever 191 rocked in anticlockwise direction thus bringing the coupling wheel 98 into engagement with the adjusting members 96 and 97. A locking disk 162 secured to the shaft 68 maintains this coupling position during the whole entering or return movement of the shaft 68' and thus of the adjusting shaft 21' by a sliding movement of a projection 99 of the member 93 on the flattened portion 192 of the circumference of the locking disk 102.

Referring now to Figs. 11 and 12 of the drawings showing the parts which have to be changed in order to adapt the machine to a ten-key keyboard it will be seen that the keys 81 corresponding to the digits 3, 6, 9 behind which are situated the keys (not shown) corresponding to 1, 2; 4, 5; and 7, 8 cooperate with curved slots 82 guiding rollers such as 96 attached to the ends of adjusting rods 83 arranged with the ends 83' thereof in one plane E (Fig. 12) opposite to those adjusting pins 84 which are just positioned in the plane E so as to displace these pins from the rest position thereof shown in the drawings to a working position (not shown). in either position the pins 84 are held by springs 89. After each operation of a key 81 the slide 85 carrying the adjusting pins 84 is, in a manner well-known from adding machines with a ten-key keyboard, set free by a stepping mechanism (not shown) so that it can follow the tension exerted by a carriage spring 88 acting in direction St) (Fig. 12) so that the slide 85 being slidably supported in the frame by the parts 86, 37 can jump by one division to the left of Fig. 12 so that the next decimal series of the adjusting pins 84 is in line with the ends 83' of the adjusting rods 83 in the plane E.

At the same time the pins 84 corresponding to the decimal place set up in the slide 85 are moved so as to be in the plane of motion of a first disk (not shown) corresponding to the disk 15' shown in Fig. l and lying immediately to the left of the adjusting plane E as seen in Fig. 12. If the key 81 corresponding to the zero is pressed only the stepping mechanism is released and thus the slide 35 shifted to the next decimal place.

At further settings of digits this operation is repeated in the manner well-known from adding machines with a ten-key keyboard so that after pressing the entering key 76" (Fig. 13) the adjusted pins 84 can serve as steps cooperating with abutments (not shown) corresponding to the abutments 12 shown in fig. 1, in the same manner as the projecting steps of the slides 9 shown in Figs. 1 and 5.

As will be seen from Fig. 13, the ten-key keyboard machine is quite similar to the machine shown in Figs. 9 and 10, except that the ten-key keyboard machine is provided with nine digit keys 81 corresponding to the digits 1-9 and one zero digit key 81. The other keys including the entering key 76", the parts corresponding to parts 38', 43, 49, 30, and the casing are exactly the analogs of the parts in Figs. 9 and 10.

The counting mechanism of the machine according to the present invention can be used for carrying out fully automatic multiplier multiplication key or special storing or accumulating device.

To this end a number forming the multiplier is set up in the keyboard of the machine, the entering key 76 is pressed and causes the entering of the multiplier in the intermediate setting and printing mechanism according to the present invention, which intermediate setting mechanism is coupled by the clutch KZ being closed by simultaneously pressing a clutching key (not shown) with the revolution counting mechanism 40-43, to which the multiplier is charged; then the multiplier is printed in a known manner. If the entering key 76 is pressed once more without simultaneously pressing the KZ-clutching key the latter causes the intermediate setting device to be reset. Then the multiplicand is set up in the keyboard, and a pressing of the entering key 76 causes the entering of the multiplicand in the intermediate setting and actuating and printing mechanisms 15, 25, 26, 34, 33, the multiplicand being printed on the paper tape. After pressing an automatic multiplication key the automatic multiplication is operated in a manner well known in the art: the multiplicand is transmitted by the differential actuating device 25, 26 into the accumulator 49; on each transmission cycle the multiplier digit wheel 43 corresponding to the denominational position of the carriage containing the accumulator is actuated by means of the counting finger 44 by one unit step thus diminishing the multiplier digit until the digit wheel 43 of the revolution counting mechanism 4tl-43 comes in its zero position; thereby the actuator revolutions are stopped, the accumulator carriage is shifted by one step, and in the new denominational position the same operations are carried out, until the last multiplier digit wheel 43 arrives at its zero position, so that in the end the digit wheels 4 of the accumulating mechanism show a number corresponding to the product of the multiplicand and the multiplier. Finally, the intermediate setting mechanism is reset to its rest position by pressing once more the entering key '76.

it should be understood that numerous changes may be made in the form, construction, and arrangement of the several parts of the illustrated calculating machine without departing from the spirit and scope of my invention or sacrificing any of its attendant advantages, the calculating machines herein described being merely for the purpose of illustrating the invention.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent is as follows:

1. A key-set calculating machine, comprising, in combination: an oscillating shaft being arranged for selective rotation in each of two opposite directions, a rotatable member being arranged coaxially with said oscillating shaft, said rotatable member being adapted to assume a zero position, first means for coupling said oscillating shaft with said rotatable member, said first coupling means becoming effective at the beginning of a rotation of said oscillating shaft in one of said two opposite directions so as to rotate said rotatable member in said one of said two opposite directions, an adjustable member adapted to be brought in a position in which the same uncouplcs said first coupling means from said oscillating shaft, second coupling means for coupling said oscillating shaft with said rotatable member, said second coupling means becoming effective when said oscillating shaft starts a rotation in the other of said two opposite directions so as to rotate said rotatable member in said other of said two opposite directions, and means for automatically disengaging said second coupling means at the end of the return motion of said rotatable member in said other of said two opposite directions so as to uncouple said oscillating shaft from said rotatable member when the latter assumes said zero position thereof.

2. A key-set caclulating machine, comprising, in combination: an intermediate setting mechanism being adapted to take a plurality of item positions, an itemintroducing mechanism associated with said intermediate setting mechanism, and an oscillating shaft being arranged for selective rotation in each of two opposite directions, said intermediate setting mechanism including orders each including a rotatable member being arranged coaxially with said oscillating shaft, said rotatable member being adapted to assume a zero position, first means for coupling said oscillating shaft with said rotatable member, said first coupling means becoming effective at the beginning of a rotation of said oscillating shaft in one of said two opposite directions so as to rotate said rotatable member in said one of said two opposite directions, an adjustable member adapted to be brought in a position in which the same uncouples said first coupling means from said oscillating shaft, second coupling means for coupling said oscillating shaft with said rotatable member, said second coupling means becoming eifective when said oscillating shaft starts a rotation in the other of said two opposite directions so as to rotate said rotatable member in said other of said two opposite directions, and means for automatically disengaging said second coupling means at the end of the return motion of said rotatable member in said other of said two opposite directions so as to uncouple said oscillating shaft from said rotatable member when the latter assumes said zero position thereof.

3. A key-set calculating machine, comprising, in combination: an intermediate setting mechanism being adapted to take a plurality of item positions, an itemintroducing mechanism associated with said intermediate setting mechanism, and an oscillating shaft being arranged for selective rotation in each of two opposite directions, said intermediate setting mechanism including orders each including a rotatable member being arranged coaxially with said oscillating shaft, said rotatable member being adapted to assume a zero position, first means for coupling said oscillating shaft with said rotatable member, said first coupling means becoming effective at the beginning of a rotation of said oscillating shaft in one of said two opposite directions so as to rotate said rotatable member in said one of said two opposite directions, an adjustable member adapted to be brought in a position in which the same uncouples said first coupling means from said oscillating shaft, second coupling means for coupling said oscillating shaft with said rotatable member, said second coupling means becoming effective when said oscillating shaft starts a rotation in the other of said two opposite directions so as to rotate said rotatable member in said other of said two opposite directions, and means for automatically disengaging said second coupling means at the end of the return motion of said rotatable member in said other of said two opposite directions so as to uncouple said oscillating shaft from said rotatable member when the latter assumes said zero position thereof, said disengaging means including a stationary bar common to all orders of said itemintroducing mechanism.

4. A key-set calculating machine, comprising, in combination: an intermediate setting mechanism being adapted to take a plurality of item positions, an itemintroducing mechanism associated with said intermediate setting mechanism, a shaft driving the calculating machine, a plurality of elements arranged on said driving shaft, said elements being capable of a plurality of item positions, an oscillating shaft being arranged for selective rotation in each of two opposite directions, said rotatable member being adapted to assume a zero position, said intermediate setting mechanism including orders each including a rotatable member, said elements arranged on said driving shaft being adapted to be brought in connection with said rotatable members so as to bring the same into the item positions thereof, said stages of said intermediate setting mechanism each including first means for coupling said oscillating shaft with said rotat able member, said first coupling means becoming e fective at the beginning of a rotation of said oscillating snaft in one of said two opposite directions so as to rotate said rotatable member in said one of said two opposite directions, an adjustable member adapted to be a position in which the same uncouples said first coupling means from said oscillating shaft, second coupling means for coupling said oscillating shaft with rotatable member, said second coupling means becoming effective when said oscillating shaft starts a rotation in the other of said two opposite directions so as to rotate said rotatable member in said other of said two opposite directions, and means for automatically disengaging said second coupling means at the end of the return motion of said rotatable member in said other of said two opposite directions, so as to uncouple said oscillating shaft from said rotatable member when the latter assumes said zero position thereof, said disengaging means including a stationary bar common to all orders of said item-introducing mechanism.

5. A calculating machine as claimed in claim 1, a gear imparting to said oscillating shaft an oscillating movement about the axis thereof, and a single revolution coupling forming part of said gear.

6. A calculating machine as claimed in claim 1, a pivot arranged on said rotatable member, said pivot being operatively connected to said first and second coupling means, so that the latter are rotatable about said pivot, and resilient means arranged between said first and second coupling means, said resilient means urging one of said first and second coupling means at a time into the coupling position thereof.

7. A calculating machine as claimed in claim 3, a printing type bearing lever, and means for connecting said rotatable members with said printing type bearing lever.

8. A calculating machine as claimed in claim 3, a revolution counting mechanism having a plurality of digit wheels, and coupling devices having selectively an effective and an ineffective position, said coupling devices in the effective position thereof coupling said digit wheels of said revolution counting mechanism with said rotatable members to enter items by the entering movement of the intermediate setting mechanism in the revolution counting mechanism and vice versa by resetting the revolution counting mechanism.

9. A calculating machine as claimed in claim 3, a total taking mechanism having a plurality of digit wheels, and coupling devices having an effective and an ineffective position, said coupling devices in the effective position thereof coupling said digit Wheels of said total taking mechanism with said rotatable members to enter items by the entering movement of the intermediate setting mechanism in the revolution counting mechanism and vice versa by resetting the revolution counting mechanism.

10. A calculating machine as claimed in claim 1, said adjustable member including a slide having a series of abutments forming steps.

11. A calculating machine as claimed in claim 10, said slide having a longitudinal slot, a member arranged in said slot and being operable by the keys of the machine so as to allow adjustments of said slide before the end or" the operation of said rotatable member and the parts associated therewith.

12. A calculating machine as claimed in claim 3, the machine having a ten-key keyboard, said adjustable members including a sliding member having a plurality of adjustable pins, and means for adjusting said pins by said ten-key keyboard of the machine.

References Cited in the file of this patent UNITED STATES PATENTS 2,034,345 Kottman Mar. 17, 1936 2,433,679 Williams Dec. 30, 1947 2,522,671 Gourdon Sept. 19, 1950 2,568,616 Gourdon Sept. 18, 1951

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