US2917235A

US2917235A - Hecht

Info

Publication number: US2917235A
Authority: US
Publication date: 1959-12-15
Anticipated expiration: 1976-12-15

Description

United States Patent TRANSFER DEVICE FOR A CALCULATING MACHINE Ferdinand Hecht, Stuttgart, Germany Application April 3, 1956, Serial No. 575,848

Claims priority, application Germany March 10, 1951 Claims. (Cl. 235-137) The present application is a continuation-in-part application of my copending application Serial No. 386,366, filed October 15, 1953, and now abandoned.

The present invention relates to a transfer device for a calculating machine, and more particularly to a tens transfer device for simultaneously carrying out a tens transfer in all denominational orders.

The tens transfer devices according to the known art are so constructed that a tens transfer is carried out in each order whenever the register wheel of the next lower order passes during the input of numerical values from the 9 position to the 0 position during addition. Since each register wheel may pass at a different time through the transfer position,.the tens transfer operations are not simultaneously carried out. Due to the mechanical elements required for carrying out a tens transfer in each order dependently of the other orders, the tens transfer devices according to'the known art require a great number of mechanical elements which take up considerable angularspace. Consequently, it is not possible to build calculating machines according to the known art which are capable of computing more than twenty one orders.

It is one object of the present invention to provide a transfer device for carrying out tens transfers simultaneously in all higher denominational orders of a calculating machine.

It is another object of the present invention to provide a calculating machine in which transfers are simultaneously carried out in all denominational orders after the input operations have been completed in all orders.

It is a further object of the present invention to provide a transfer device in which all primary transfers established during the input operation of the calculating machine are simultaneously carried out after the input operation has been completed, and in which further secondary transfers becoming necessary due to the transfer of a unit to a higher order are carried out simultaneously with the primary transfers.

It is still an object of the present invention to provide a transfer device in a-calculating machine having a mini mum number of mechanical elements and being capable of reliable and rapid operation in a great number of denominational orders.

A transfer apparatus according to the present invention comprises a set of register wheels which are respectively associated with denominational orders. Each register wheel is turnable between a plurality of positions which are respectively associated with the digits of a series of consecutive digits, such as the digits 0 to 9. The two consecutive positions of each register wheel which are respectively associated with the first and last digits of the series of consecutive digits are transfer positions requiring the transfer of a unit to the register wheel of the next higher order when the respective register wheel passes during turning movement in any direction from the leading. transferposition to the trailing transfer position.

Preferably, the machine is designed for the decimal 2,917,235 Patented Dec. 15, 1959 system so that the leading transfer positionis associated with the digit 9-and the trailing transfer position is associated with the digit 0 during rotation of the register Wheels in one direction corresponding to addition. During subtraction requiring rotationof the register wheels in opposite direction the digit 0 is associated with the leading transfer position and the digit 9 is associated with the trailing transfer position.

The register wheels arepa1t of a totalizer in which additions, subtractions, multiplications, and divisions can be carried out.

According to the present invention, theregister wheels of the totalizer are first operated during an input operation to introduce digits which are registered by the register wheels. If such digits are added to or subtracted from previously introduced digits registered by the register wheels, one of the following three operational conditions may be present after the input operation:

(1) A register wheel .haspassed from the leading transfer position to the trailing transfer. position, for instance from the 9 position to the 0,position requiring a transfer to the next higher order.

(2) A register wheel is in its leading transfer position at the end of the input, for instance in the 9 position during addition or in the 0 position during subtraction.

(3) A register wheel is neither in the leading transfer position, nor has passed from the leading transfer nsition to the trailing transfer position. This condition is immaterial for the transfer operation.

In the first case which corresponds to the tens transfer condition occurring in all calculating machines it is necessary that the register wheel of the nexthigher order be shifted to the next following position corresponding to the transfer of a unit to suchnext higher order. This condition is determinedduring the. input operation at the time the respective register wheel passesfrom the leading transfer position to the trailing transfer position and is mechanically represented by the actuation of a primary presetting means in the. respective order. After the input operation has been completed the primary presetting means in the respective order effectsa transfer of a unit to the next higher order.

In the second case, it ispossible that aunit is transferred from the nextlower-order. In thisevent the respective register wheel will be turned from the leading transfer position, in whichit wasat the end of the input operation, to the trailing transfer position necessitating a transfer to the next'higher order above the respective order. In accordance with the present invention means are provided for carrying out such secondary transfer simultaneously with the primary transfer occurring inthe respective order.

Such secondary transfer operations must be continued through all successive higher denominational orders in which the register wheels are in the leading transfer positions thereof until a register wheel is found in a higher denominational order which is not in leading transfer position, corresponding to the 9 position during addition and the 0 position during subtraction if the machine is designed for the decimal system.

For the simultaneous operation of a transfer device in all denominational orders, a number of mechanical elements must be provided. Besides the primary presetting means, which may bea lever movable to a preset position for actuating the next higher denominational order, a presetting sensing means is required whichsenses before the start of the simultaneous transfer operation which register wheels arein leading transfer positions. Preferably, the presetting sensingfmeans are shiftable between two positions for sensing, respectively, the transfer position leading during addition and the transfer position leading during subtraction. Applied to the deci- 3 mal system, the presetting sensing means are shiftable between a position for sensing the "9 position of the respective associated register wheel during addition and rotation of the register wheel in one direction and for sensing the position during subtraction and rotation of the respective register wheel in opposite direction.

It is'therefore possible to distinguish between a primary direct tens transfer presetting and a secondary and indirect tens transfer presetting. The term tens transfer as applied hereinafter will be used to include any transfer of a unit to a higher denominational order including arrangements in which a series of consecutive digits other than the digits "0 to "9 is associated with the register wheels.

The primary and secondary presetting operations determine together whether and in what denominational orders a tens transfer has to be carried out during the time period available for the tens transfer after the input operation has been completed.

According to a preferred embodiment, three quarters of each operational cycle are used for introducing numerical values into the register wheels, and the last quarter of each operational cycle is used for carrying out all primary and secondary tens transfers in all denominational orders.

According to a preferred embodiment of the present invention a transfer control shaft is provided which turns through 360 during each operational cycle. 270 are used for the input operation including the primary presetting, the secondary tens transfer is preset substantially during the next following 30, and carried out together with the primary tens transfer during the 30 following thereupon, and during the last 30 the actuated elements are returned to their normal inoperative positions.

In view of the above, a transfer apparatus according to the present invention mainly comprises a set of register wheels respectively associated with denominational orders, each register wheel being turnable between a plurality of positions respectively associated with the digits of a series of consecutive digits, the two consecutive positions of each register wheel which are respectively associated with the first and last digits of the series of consecutive digits being transfer positions requiring the transfer of a unit to the register wheel of the next higher denominational order when the respective register wheel passes during turning movement in any direction from the leading transfer position to the trailing transfer posi- .tion; a set of presetting means respectively associated with the register wheels, each presetting means being movable between an inoperative and a preset position and being operated by the associated register wheel to move to the preset position when the associated register wheel passes from the leading transfer position to the trailing transfer position; a set of transfer means respectively associated with the register wheels, each transfer means being shiftable between an inoperative position and an actuating position and being moved by the associated presetting means in the preset position to the actuating position, each transfer means in the actuating postion turning the register wheel associated with the next higher order to turn to the next following position thereof; and means connecting the transfer means for simultaneous operation for simultaneously carrying out transfers in all orders requiring a transfer.

The means for connecting the transfer means for simultaneous operation preferably comprise a set of sensing means respectively associated with the register wheels for sensing the leading transfer positions of the register wheels. These sensing means control associated transfer means to turn the register wheel of the next higher order to the following position when a register wheel in leading transfer position is shifted to the trailing transfer position by the transfer means.

Preferably, a set of control means respectively associated with the register wheels is. provided. Each control means is shiftable between a first position associated with the transfer position leading during rotation of the associated register wheel in one direction, and a second position associated with the other transfer position leading during rotation of the associated register wheel in opposite direction. As pointed out above, the register wheels turn in opposite directions during addition and subtraction, respectively.

According to a preferred embodiment of the present invention a set of coupling means respectively associated with the register wheels is provided for coupling the transfer means associated with the same register wheel with the transfer means associated with the register wheel of the next lower order. Consequently, the transfer means of any order is shifted to its actuating position for carrying out a transfer when the coupling means connecting the respective transfer means to the transfer means of the next lower order isin coupling position. Secondary presetting sensing means move the coupling means to coupling position when the respective register wheel is in the leading transfer position.

The novel features which are considered as characteristic for the invention are set forth in particular in the appended claims. The invention itself, however, both as to its construction and its method of operation, together with additional objects and advantages thereof, will be best understood from the following description of specific embodiments when read in connection with the accompanying drawings, in which:

Fig. l is a cross sectional view of a transfer arrangement according to the present invention;

Fig. 2 is another cross sectional view of a transfer atrangement according to the present invention taken in a different plane; and

Fig. 3 is a schematic plan view of the transfer arrangement illustrated in Figs. 1 and 2.

Referring now to the drawings, and more particularly to Fig. l, the operating means for actuating the register wheels 4 include a drive shaft 3 rotating a set of gears 7 respectively associated with the register wheels 4 of the denominational orders. A coupling member 2 is pivotally mounted on the drive shaft and includes five arms. The actuating arm 25 is connected to the link 1 which is part of the input means of the machine, so that the coupling member 2 is pivoted through a small angle in counterclockwise direction when the input means 1 is shifted in direction of the arrow. The coupling arm 26 carries two meshing gears 5 and 6, which are driven from gear 7 meshing with gear 6. A gear 30 is connected to each register wheel 4 for rotation therewith. A locking arm 27 engages gear 30 and blocks rotation of the same when the coupling member 2 is pivoted in clockwise direction after retraction of the input means 1. The tens transfer arm 29 and the holding arm 28 are arranged in axially spaced planes and are provided with cam follower rollers cooperating, respectively, with the cams 14 and 15, cam 15 having two cam lugs 16 and 17. Cam 14 is fixedly connected to sleeve 12 which is mounted shiftable in axial direction on the transfer control shaft 13 and is connected to the transfer control shaft 13 for rotation therewith. Cam 15 is fixedly connected to control shaft 13.

When the input means 1 is shifted in the direction of the arrow, the coupling member 2 is pivoted in counterclockwise direction, the locking arm 27 releases the gear 30, and the gear 5 engages the gear 30 and turns the same and the respective associated register wheel 4. In accordance with the time period during which the coupling member 2 is held by the input means 1 in this position, the respective register wheel 4 turns through a number of consecutive positions corresponding to the digit introduced by the input means 1. When the input means 1 is shifted to the left in Fig. 1, the gear 5 releases the gear 30, and the locking arm 27 locks the gear 30 and the associated register Wheel 4. The arrangement is such that the input operations are completed at complish" this' purpose; the input means 1 are shifted sooner to the right when a higher digit is to be introduced, and shifted later when'a lower'digit is to be introduced. For example, thetra'nsfer control. shaft '13 turns through 270 .insyncltronism with shaft 3 while'the input means 1 is in the shifted position for introducing the digit 9, and turnsthrough 30 while the digit 1 is introduced. A digit 1 is'introduced into one register wheel 4 in one order during the last 30 of the 270 during which a digit 9 isintroduced into the register wheel of another order. The introduction of the digits is consequently completed at the 'sam'eltime in all'orders, although the respec tive coupling members are in operative position for dif' ferent time periods.

The arrangement described above is not an object of the present invention, and is described in greater detail in my copending application Serial No. 386,367, filed October 15, 1953, now Patent No. 2,790,601.

The operating means 2, 5, 6, 30, 29 are also used for carrying out a tens transfer requiring turning of the respective register wheel from the position it assumes at the end of the input operation to'the next followingconsecutiv'e position. When the cam 14 engages the tens transfer'arm 29 after the input operation has been completed, the coupling member 2 is again shifted into its operative position in which the gear 5 meshes with the gear 30. The length of the cam track of cam 14' is such that the coupling member '2 is shifted to its operating position only for the short time necessary for turning the respective associated register. wheel to its next following position corresponding to' the introduction of a unit, as is required'for a tens transfer.

The cam lug 17 shifts the coupling'member 2 into its locking position after the input operation has been completed. While the cam disc turns furtherwith shaft 13 in direction of the arrow, the cam 14 becomes operative as described above to carry out a tens transfer.

Thereupon, the cam lug 16 engages the arm 23, and

shifts the. coupling member 2 into locking position in which the locking arm 27 locks the gear and the associated register wheel 4. A catch 31cooperates with the arm 26 of the coupling member 2 to hold the same in locking position.

As best seen in Fig. 2, each register wheel 4 is provided with an actuating projection 8 cooperating with a pivoted presetting lever 9. The actuating projection 8 is arranged in a position between the two transfer positions of the respective register wheel, so that the lever 9 is pivoted in clockwise direction to a preset position when the respective associated register wheel 4 passes from 9 position to 0"position during addition, and from 0 position to 9 position during subtraction. As indicated by the arrow 32, the register wheels rotate in clockwisedirection during addition, and in counterclockwise direction duringsubtraction. Eachpresetting lever 9 is provided with a cam track 11 cooperating with a projecting pin 10 which is mounted on the respective sleeve 12.

As previously described, a sleeve 12 having a projectingpin 10 and a cam 14 is associated with each register wheel 4 and is shiftable in axial direction on the transfer' the same plane as the cam follower roller of the arm 29 associated with the register wheel of the next higher order. Further turning of the control cam shaft 13 results in engagement between the cam 14 and the cam follower roller of the arm 29 whereby the register wheel of the'next higher denominational order is shifted to its 64 next position corresponding to the transfer of a unit to such next higher'order. A stationary cam track 34 en-' gagesthe pin-10 after cam 14 has released arm 29, and returns the sleeve 12 into itsinitial inoperative position in which 1 is axially spaced from arm 25?. In the meantime, the presetting lever moves'from its preset position to its inoperative position which is accomplished by the cam means 18. The set of return cam means 18 rotates synchronously with the transfer control shaft 13 and cooperates with the presetting levers 9 to return the same to inoperative positions after the actuating projection has passed over the respective lever 9*and the register wheel has arrived in its trailing transfer position. A resilient catch 33 is associated with each presettinglever 9 for arresting the same in its shifted positions.

The projections 8 and the presetting levers 9' constitute a first or primary presetting means for presetting the primary tens transfer. The transfer means which accomplish the transfer include the actuating means 10, 12 and re and the operating means 29, 26 and 30.

The above-described elements will preset a tens transfer whenever a register wheel passes during the input operation from its leading transfer position to its trailing transfer position, and will carry out the transfer after completion of the input operation when the cam 14 shifts the operating means into operative position. Since all cams 14 turn together with transfer control shaft 13 and are axially aligned, all primary tens transfers will be simultaneously carried out in all orders in which a transfer is required due to the fact that the register wheel of the next lower order has passed from its leading transfer position to its trailing transfer'position during the input operation.

During such simultaneous transfer operations-in all orders, one or several of the register wheels may be in the leading transfer position thereof, for instance in the 9 position during addition. 7 transfer position actuated to turn to the next'following position passes from its leading transfer position to its trailing transfer position necessitating a transfer to the next higher order. Inaccordance with' the present invention such secondarytransfer-iscarriedout simultaneously with the primary transfer, and consequently, must be preset before the primary transfer is carried out.

The secondary presetting means for presettinga second ary tens transfer include the

members

19, 20 and 21. Rollers 19 are provided with projecting pins which are guided in slots 19a of members 19!) which are secured to the register'wheels 4. The slots 19b extend in radial direction of the register wheels 4, and the control members 1 are movable between an outer'and'inner position in the radial direction of the slots 19b. A presetting control cam means 20 is associatedwith each register wheel 4 and is-turnabie with the shaft 24 on which the register When a register wheel 4- wheels 4 are freely rotatable. assumes its leading transfer position, the roller 19 is engaged by the presetting control cam means 20"and shifted to its outer position illiistrated' in Fig. 2. Each" roller 19 engages a presetting sensing member 21 when the respective register wheel is in its leading transfer p0 sition so that the roller 19, supported by cammeans20,

forces the presetting sensing member 21" into the illustrated preset position against the action of a spring 211:

pling: member 22 has a coupling portion 22b projecting in axial direction toward the sleeve 12 of the next lower order. A spring 23 urges the coupling means 22 1M0 A" register wheel in leading 7 the illustrated inoperative position. During rotation of the transfer control shaft 13, each coupling means 22 passes an associated presetting sensing member 21. If the respective presetting sensing member 21 is in its preset position projecting into the path of the coupling means 22, the coupling means 22 is pressed inwardly into a coupling position in which the axial projection 22b is located between the associated sleeve and the sleeve 12 associated in the next lower order. This will be the case if the respective register wheel 4 of the next lower order is in its leading transfer position so that the control member 19 is held by the presetting control cam means 20 in its advanced position.

If, however, the register wheel is in any other position, the presetting sensing member 21 is in its inoperative position, and the coupling means 22 is not shifted so that its axial projection 22b is located outside of the sleeve 12 adjacent thereto and cannot couple the respective two sleeves 12.

Assuming now that in a first order the register wheel has passed from the leading transfer position to the trailing transfer position requiring a tens transfer to a second higher order. During such passage of the register wheel of the first order the respective presetting lever 9 is preset.

Assuming that the register wheel of the second order is in its leading transfer position at the end of the input operation, the presetting sensing member 21 of the second order senses this position and assumes its actuated position.

Further turning of the transfer control shaft 13 moves a coupling means 22 of the third order under the presetting sensing member 21 of the second order and the coupling means is shifted to its coupling position in which the axial projection 22b is located between the sleeve 12 of the third order and the sleeve 12 of the second order.

Further turning of the transfer control shaft 13 moves projecting pin 10 of the second order into engagement with the cam track 11 of the presetting lever 9 of the first order which is in preset position.

Consequently, the sleeve 12 of the second order is shifted in axial direction, and since the coupling projection 22b is located between the shifted sleeve 12 of the second order and the sleeve 12 of the third order, the sleeve 12 of the third order is shifted together with the sleeve 12 of the second order in axial direction.

Both sleeves 12 are now shifted to an actuating position in which the earns 14 associated with the two shifted sleeves are located in the planes of the tens transfer arms 29 associated with the register wheels 4 of the second and third orders.

Further turning of the transfer control shaft 13 moves the cam 14 of the sleeve '12 of the second order into engagement with the arm 29 of the coupling member 2 associated with the second order, and the cam 14 of the sleeve 12 of the third order into engagement with the arm 29 of the coupling member 2 associated with the third order so that the coupling members 2 of the second and third orders are simultaneously shifted into operative positions in which the gears thereof mesh with the gears 30 of the register wheels of the second and third orders and turn the same in the next following position thereby obtaining a simultaneous tens transfer to the second and third orders. In the event that the register wheel of the third order is in its leading transfer position, the transfer is continued to the fourth order.

The register wheels turn in clockwise direction during addition, and assuming that the decimal system is applied, the leading transfer position is the 9 position. During subtraction the register wheels turn in counterclockwise direction and the leading transfer position which has to be sensed by the presetting sensing members 21 is the 0 position.

According to a preferred embodiment of the present invention. the presetting control cam means 20 is turnable together with shaft 24 through 36 from the position in which it is associated with the 9 position of the register wheel to a second position in which it is associated with the 0 position of the respective register wheel for operation during subtraction. As pointed out above, the 0 position is the leading transfer position during subtraction. Since the respective register wheel turns through 36 in the same direction when passing from the 9 position to the 0 position, the relative position of the presetting sensing means 19, 21 remains the same.

Fig. 3 illustrates schematically the operation of the transfer device according to the present invention in several orders. Cams 15 are omitted in Fig. 3 for the sake of clarity.

The transfer control shaft 13 carries a plurality of axially shiftable actuating means including sleeves 12. cams 14 and pins 11 which cooperate with the coupling members 2 by which the register wheels are operated. Fig. 3 also shows the end portions of the presetting levers 9 provided with cam tracks 11. The orders are indicated by Roman numerals II-VlI.

The elements of order II are in inoperative positions assuming that no tens transfer is required from order I. Also, the register wheel of order II is not in its leading transfer position.

It is assumed that the register wheel of order II has passed from its leading transfer position to its trailing transfer position and has preset the presetting lever 9. Consequently, the pin '10 of order III has engaged the cam track 11 and the actuating means 10, 12, 14 have been shifted to the left in Fig. 3 into an actuating position in which the cam 14 is located opposite the coupling member 2 which operates the register wheel of order III. Further turning of the transfer shaft 13 will result in turning of the register wheel of the order III to the next following position whereby a tens transfer from order II to order III will be accomplished.

The register wheel of order III is assumed to be in its leading transfer position, and consequently the presetting sensing means 21 of order III which is schematically indicated by an arrow in Fig. 3 has moved the respective coupling means 22 to its coupling position in which the coupling projection 22!; is located between member 14 of order III and member 12 of order IV. Consequently, the previous shifting of the actuating means 12, 14 of order III has resulted in the corresponding shifting of the actuating means 12, 14 or order IV to actuating position. The register wheel of the order IV is also assumed to be in its leading transfer position so that the actuating means l2, 14 or order V also has been shifted to actuating position. The coupling projection 22]) of order VI is in inoperative position since the register wheel of order V is not assumed to be in its leading transfer position. Consequently, the connection between orders V and V1 is interrupted, and the fact that the coupling means 22b of order VII is in coupling position has no effect. The register wheel of order VI is assumed to be in its leading transfer position, but since no unit is transferred from order V to order VI no transfer to order VII takes place.

As shown in Fig. 3, the actuating means of the orders III, IV and V have been simultaneously shifted into actuating positions and during further rotation of the transfer control shaft 13, tens transfers will be carried out simultaneously in orders III, IV, and V by operation of the coupling members 2.

From the above description of the transfer arrangement according to the present invention, it will be understood that there are four consecutive operations required.

(1) Primary transfer presetting by movement of the presetting levers 9 to present position.

(2) Secondary transfer presetting by movement of the couplin means 22 to coupling position.

(3) Combining of the primary and secondary presetting operations by shifting the actuating means 10,

12, 14 to actuating poSitionlocated.opposite the coupling members 2.

(4) Simultaneous transfer by simultaneously shifting the coupling members 2 into operative positions in which the respective register wheels are turned by the operating means to the next following position.

It will be understood that each of the elements de scribed above, or two or more together, may also find a useful application in other types of transfer devices for calculating machines differing from the types described above.

While the invention has been illustrated and described as embodied in a tens transfer device for simultaneously carrying out tens transfer operations in all orders of a calculating machine after the input operations have been completed, it is not intended to be limited to the details shown, since various modifications and structural changes may be made without departing in any way from the spirit of the present invention.

What is claimed as new and desired to be secured by Letters Patent is:

1. In a calculating machine, a transfer apparatus comprising, in combination, a set of register wheels respectively arranged in denominational orders, each register wheel being rotatable between a plurality of positions including two consecutive transfer positions; a set of tens-transfer presetting means respectively operatively connected to said register wheels, each presetting means being movable between an inoperative and a preset posi tion; means operated by the associated register wheel to move said presetting means to said preset position when the respective register wheel passes from the leading transfer position to the trailing transfer position; a set of transfer means respectively operatively connected to said register wheels, each transfer means being shiftable between an inoperative position and an actuating position and being moved by the respective presetting means in said preset position to said actuating position, each transfer means in said actuating position being operable to control the advance of the register wheel corresponding to the next higher order to the next following position thereof; means for operating said transfer means; a do nominational set of adjustable cam members respectively coaxial with said register wheels, each cam member being rotatably shiftable between a first position corresponding to the one transfer position leading during rotation of the associated register wheel in one direction during addition, and a second position corersponding to the other transfer position leading during rotation of the associated register wheel in opposite direction during subtraction; a set of movable control members, each movable control member being connected to one of said register wheels spaced from the axis of the same and being movable in radial direction of said register wheel between an advanced position and a retracted position, each movable control member being located radially outwardly of the respective cam member and being engaged and moved to said advanced position by said cam member during rotation of said register wheel and held in said advanced position when said register wheel is in said leading transfer position; means connected to said transfer means for controlling movement of said register wheels in said one direction during addition and in said opposite direction during subtraction; aset of sensing means respectively operatively connected to said register wheels for sensing movable control'members in advanced positions for determining said leading transfer positions of said register wheels, said-"sensing-means shifting the corresponding transfer meansto transfer position to turn the register wheel'of the next higher order to the next following positionwhen a register wheel in said leading transfer position is' shifted to said trailing transfer position by said transfer means whereby transfer operations are simultaneously carried out in all denominational orders.

2; A transfer arrangement as set forth in claim 1 wherein said denominationalorders are decimal orders,

wherein said series of consecutive digits are the digits from 0 to 9, wherein said transfer positions are respectively associated with the digits 0 and 9, and wherein said register wheels turn in one direction during addition so that said leading transfer position is associated with the digit 9 and said trailing transfer position is associated with the digit 0, and wherein said register wheels turn in opposite direction during subtraction so that said leading transfer position is asociated with the digit 0 and said trailing transfer position is associated with the digit 9.

3. In a calculating machine, a transfer apparatus comprising, in combination, a set of register wheels respectively arranged in denominational orders, each register wheel being rotatable between a plurality of positions in luding two consecutive transfer positions; a set of tenstransfer presetting means respectively operatively connected to said register wheels, each presetting means being movable between an inoperative and a preset position; means operated by the associated register wheel to move said presetting means to said preset position when the associated register wheel passes from the leading transfer position to the trailing transfer position; a set of transfer means respectively operatively connected to said register wheels, each transfer means being shif able between an inoperative position and an actuating position and being moved by the respective presetting means in said preset position to said actuating position, each transfer means in said actuating position being operable to control the advance of the register wheel corresponding to the next higher order to the next following position thereof; means for operating said transfer means; a denominational set of adjustable cam members respectively coaxial withsaid register wheels, each cam member being rotatably turnab-le about an axis coinciding with the axis of the associated register wheel between a first position corresponding to the one transfer position leading during rotation of the associated register Wheel in one direction. during addition, and a second position corresponding to the other transfer position leading during rotation of the associated register wheel in opposite direction during subtraction; a set of movable control members, each movable control member being connected to one of said register wheels spaced from the axis of the same and being movable in radial direction of said register wheel between an advanced position and a retracted position, each movable control member being located radially outwardly of the respective cam member and being engaged and moved to said advanced position by said cam member during rotation of said register wheel and held in said advanced position when said register wheel is in said leading transfer position; means connected to said transfer means for controlling movement of said register wheels in said one direction durin gaddition and in said opposite direction during subtraction; a set of sensing means respectively operatively connected to said register wheels for sensing movable-control members in advanced positions for determining said leading transfer positions of said register wheels, said sensing means shifting the corresponding transfer means to transfer position to turn the register wheel of the next higher order to the next following position when a register wheel is shifted from said leading transfer position to said trailing transfer position by said transfer means whereby transfer operations are simultaneously carried out in all denominational orders.

4. In a calculating machine, a transfer apparatus comprising, in combination, a. set of register wheels respectively arranged in denominational orders, each register wheel being rotatable between a plurality of positions including two consecutive transfer positions; a set of first tens-transfer presetting means respectively operatively connected to said register wheels, each first presetting means. being movable between an inoperative and a preset position; means operated by the associated register wheel to move said presetting means tion when the associated register wheel passes from the leading transfer position to the trailing transfer position; a set of transfer means respectively operatively connected to said register wheels, each transfer means being shiftable between an inoperative position and an actuating position and being moved by the respective first presetting means in said preset position to said actuating position, each transfer means in said actuating position being operable to control the advance of the register wheel corresponding to the next higher order to the next following position thereof; a set of coupling means respectively corresponding to said register wheels, each coupling means being movable between an inoperative position and a coupling position and connecting in said coupling position the transfer means corresponding to the same register wheel with the transfer means corresponding to the register wheel corresponding to the next lower order for movement therewith between said inoperative and actuating positions so that the transfer means of any order is shifted to actuating position when the coupling means connecting the respective transfer means with the transfer means of the next lower order is in said coupling position; and a set of second presetting means respectively operatively connected to said register wheels, each of said second presetting means moving the coupling means associated with the same register wheel to said coupling position when the respective register wheel is in said leading transfer position whereby a transfer is simultaneously carried out in all orders requiring a transfer.

5. In a calculating machine, a transfer apparatus comprising, in combination, a set of register wheels respectively arranged in denominational orders, each register wheel being rotatable between a plurality of positions including two consecutive transfer positions; a set of operating means respectively connected to said register wheels for turning the same between said positions; a set of first tens-transfer presetting means respectively operatively connected to said register wheels, each first presetting means being movable between an inoperative and a preset position; means operated by the respective register wheel to move said presetting means to said preset position when the respective register wheel passes from the leading transfer position to the trailing transfer position; a set of shiftable actuating means respectively operatively connected to said register wheels, each actuating means being shiftable between an inoperative position and an actuating position and being moved by the respective first presetting means in said preset position to said actuating position, each actuating means in said actuating position being operable to control the advance of the operating means associated with the register wheel corresponding to the next higher order for turning the respective register wheel to the next following position; a set of coupling means respectively operatively connected to said register wheels, each coupling means being movable between an inoperative position and a coupling position and connecting in said coupling position the actuating means corresponding to the same register wheel with the actuating means corresponding to the register Wheel corresponding to the next lower order for movement therewith between said inoperative and actuating positions so that the actuating means of any order is shifted to actuating position by the actuating means of the next lower order moving to said actuating position when the coupling means connecting the respective two actuating means is in said coupling position; and a set of second presetting means respectively operatively connected to said register wheels, each of said second presetting means moving the coupling means associated with the same register wheel to said coupling position when the respective register wheel is in said leading transfer position whereby a transfer is simultaneously carried out in all orders requiring a transfer.

to said preset posi- 6. In a calculating machine, a transfer apparatus comprising, in combination, a set of register wheels respectively arranged in denominational orders, each register wheel being rotatable between a plurality of positions including two consecutive transfer positions; a set of first tens-transfer presetting means respectively operatively connected to said register wheels, each first presetting means being movable between an inoperative and a preset position; means operated by the associated register wheel to move said presetting means to said preset position when the respective register wheel passes from the leading transfer position to the trailing transfer position; a set of transfer means respectively operatively vconnected to said register wheels, each transfer means eing shiftable between an inoperative position and an actuating position and being moved by the associated first presetting means in said preset position to said actuating position, each transfer means in said actuating position being operable to control the advance of the register wheel respective with the next higher order to the next following position thereof; a set of coupling means respectively corresponding to said register wheels, each coupling means being movable between an inoperative position and a coupling position and connecting in said coupling position the transfer means corresponding to the same register wheel with the transfer means corresponding to the register wheel corresponding to the next lower order for movement therewith between said inoperative and actuating positions so that the transfer means of any order is shifted to actuating position when the coupling means connecting the respective transfer means with the transfer means of the next lower order is in said coupling position; a set of presetting sensing members respectively operatively connected to said register wheels, each of said presetting sensing members being movable between an inoperative position and an actuating position and moving in said actuating position the coupling means associated with the same register wheel to said coupling position; and a set of presetting control means respectively operatively connected to said register wheels, each presetting control means being connected to one of said register wheels spaced from the axis of the same and being located opposite the respective presetting sensing member when the respective register wheel is in said leading transfer position for holding said presetting sensing member in said actuating position.

7. In a calculating machine, a transfer apparatus comprising, in combination, a set of register wheels respectively arranged in denominational orders, each register wheel being rotatable between a plurality of positions including two consecutive transfer positions; a set of first tens-transfer presetting means respectively operatively connected to said register wheels, each first presetting means being movable between an inoperative and a preset position; means operated by the respective register wheel to move said presetting means to said preset position when the respective register wheel passes from the leading transfer position to the trailing transfer position; a set of transfer means respectively operatively connected to said register wheels, each transfer means being shiftable between an inoperative position and an actuating position and being moved by the respective'first presetting means in said preset position to said actuating position, each transfer means in said actuating position being operable to control the advance of the register wheel corresponding to the next higher order to turn to the next following position thereof; a set of coupling means respectively operatively connected to said register wheels, each coupling means being movable between an inoperative position and a coupling position and connecting in said coupling position the transfer means corresponding to the same register wheel with the transwith the next lower order for movement therewith be- 13 tween said inoperative z-andg: actuating positions; so that the transfer means of any. order isrshifted to actuating. positionwhen theicoupling means :connecting ,the' respec+ tive transfer means with the:transfer means'of the next lower order is in said coupling position; a set of presetting sensing members, respectively operatively connected to said register wheels,.each'of said presetting sensing members being movablebetween aminoperative position and an actuating position .and;moving in said actuating position the coupling means corresponding tothe same register Wheel to said :coupling position; means connected to said .transferimeans for turning said register wheels in one direction during addition and in anaoppofsite direction during subtraction; means: for operating said transfer means; a denominational set of adjustable cam members respectively coaxial, with said register wheels, each cam-memberbeing turnable about an axis coinciding with the axis of the respective register wheel between a first positioncorresponding to the one transfer position leading during rotation of the associated register wheel in said one-direction during:;addition, and a second position correspondingto the other transferrposition leading during rotation: ofthe respective register wheel in said opposite direction duringsubtraction; a set of movable control members, each movable control member being connected to one of said register wheels spaced from the axis of the. same and being movable .in radial direc tion of said register wheel between an advanced position and a retracted position, each movable control member being located radially outwardly of the respective cam member and being engaged and moved to said advanced position by said cam member during rotation of said register wheel and held in said advanced position when said register wheel is in said leading transfer position, said control members in said advanced position moving said presetting sensing members to said actuating position.

8. In a calculating machine, atransfer apparatus comprising, ,in combination, a set'ofregister wheels respectively arranged in denominational orders, each register wheel being rotatable between a plurality of positions including two consecutive transfer positions; a setof operating means respectively connected to said register wheels for turning the same between said positions; a set of first tens-transfer presetting means respectively operatively connected to said register-wheels, each first presetting means being movable between an inoperative and a preset position; means operated by; the respective register wheel to move said presetting-means;to said preset position when the respective registerwheel passes from the leading transfer position to the trailing transfer position; a control shaft; a set of shiftable actuating means respectively operatively connected to said register wheels, each actuating means includingra sleeve means having a cam and being mounted on said control shaft connected to the same for rotation therewith and being shiftable on said control shaft in axialv direction between an inoperative. position and. antactuating position in which said cam is located opposite said operating means, said sleeve means being moved by the associated first presetting means in said preset position to said actuating position, each actuating means in said actuating position actuating by said cam the operating means corresponding to the register wheel corresponding to the next higher order to turn the respective register wheel to the next following position; a set of coupling means respectively operatively connected to said register wheels, each coupling means being located intermediate two adjacent sleeve means and being movable between an inoperative position located outwardly of said sleeve means, and a coupling position located between said two sleeve means and connecting in said coupling position the sleeve means corresponding to the same register wheel with the sleeve means corresponding to the register wheel corresponding to the next lower order for movement therewith between said inoperative and actuating positions so that the actuating means of any order is shifted to actuating position by the. actuating meansof thenext lower ordermoving to.-said actuatingposition when the coupling means connecting the respective two actuating means is in said coupling position; and a set of second presetting means respectively operatively connected to said register wheels, each of said second presetting means moving the coupling means corresponding to the same register wheel to sair coupling position when the respective register wheel is in said leading transfer position whereby a transfer is simultaneously carried out in all orders requiring a transfer.

9. In a calculating machine, a transfer apparatus comprising, in combination, a set of register wheels respectively arranged in denominational orders, each register wheel being rotatable between a plurality of positions including two consecutive transfer positions; a set of operating means respectively connected to said register wheels for turning the same between said positions of-thesame; a set of first tens-transfer presetting means respectively operatively connected to said register wheels, each first presetting means being movable between an inoperative and a preset position; means operated by the respective register wheel to move said presetting means to said preset position when the respective register wheel passes from the leading transfer position to' the trailing transfer position; a control shaft; :1 set of shiftable actuating means respectively operatively connected to said register wheels, each actuating means including a sleeve means having a cam mounted on one of said sleeve means and being mounted on said control shaft connected to the same for rotation therewith, said sleeve means shiftable on said control shaft in an axial direction between an inoperative position and an actuating position in which said cam is located opposite said operating means and being moved by the respective first presetting means in said preset position to said actuating position, each actuating means in said actuating position actuating by said cam the operating means corresponding to the register wheel corresponding to the next higher order to turn the respective register wheel to the next following position; a set of coupling means respectively operatively connected to said register wheels, each coupling means being located intermediate two adjacent sleeve means and being mounted on one of said sleeve means movable between an inoperative position located outwardly of said sleeve means, and a coupling position located between said two sleeve means and connecting in said coupling position the sleeve means corresponding to the same register wheel with the sleeve means corresponding to theregister wheel corresponding to the next lower order for movement therewith between said inoperative and actuating positions so that the actuating means of any order is shifted to actuating position by the actuating means of the next lower order moving to said actuating position when the coupling means connecting the respective two actuating means is in said coupling position; a set of presetting sensing members respectively operatively connected to said register wheels, each of said presetting sensing members being movable between an inoperative position and an actuating position and being located opposite one of said coupling means, each presetting sensing member moving in said actuating position thereof the respective coupling means to said coupling position; and a set of presetting control means respectively operatively connected to said register wheels, each presetting control means bieng connected to one of said register wheels spaced from the axis of the same and being located opposite the respective presetting sensing member when the respective register wheel is in said leading transfer position for holding said presetting member in said actuating position.

10. A transfer device as set forth in claim 9 and including input means for introducing digit values and operating said operating means during a first part of each revolution of said control shaft so that said first presetting means move to said presetting position and said presetting sensing means move to said actuating position during said first part of each revolution of said control shaft; and wherein said presetting sensing members move said coupling means to said coupling position during a second part of each revolution of said control shaft; and wherein said first presetting means move said sleeve means to said actuating position during a third part of each revolution of said control shaft; and wherein said cam of said sleeve means operates said operating means during a fourth part of each revolution of said control shaft.

11'. A transfer device as set forth in claim 10 wherein said second, third and fourth parts of each revolution are within the last quarter of each revolution of said control shaft.

12. In a calculating machine, a transfer apparatus comprising, in combination, a set of register wheels respectively arranged in denominational orders, each register wheel being rotatable between a plurality of positions including two consecutive transfer positions; a set of operating means respectively associated with said register wheels for turning the same between said positions; a set of first presetting means, said presetting means respectively operatively connected to said register wheels, each first presetting means being movable between an inoperative and a preset position; means operated by the associated register wheel to move said presetting means to said preset position when the respective register wheel passes from the leading transfer position to the trailing transfer position; a control shaft; a set of shiftable actuating means respectively operatively connected to said register wheels, each actuating means including a sleeve means having a cam mounted on one of said sleeve means and being mounted on said control shaft connected to the same for rotation therewith, said sleeve means being shiftable on said control shaft in an axial direction between an inoperative position and an actuating position in which said cam is located opposite said operating means and being moved by the respective first presetting means in said preset position to said actuating position, each actuating means in said actuating position actuating by said cam the operating means corresponding to the register wheel corresponding to the next higher order to turn the respective register wheel to the next following position; a set of coupling means respectively operatively connected to said register wheels, each coupling means being located intermediate two adjacent sleeve means and being mounted on one of said sleeve means movable between an inoperative position located outwardly of said sleeve means, and a coupling position located between said two sleeve means and connecting in said coupling position the sleeve means corresponding to the same register wheel with the sleeve means corresponding to the register wheel corresponding to the next lower order for movement therewith between said inoperative and actuating positions so that the actuating means of any order is shifted to actuating position by the actuating means of the next lower order moving to said actuating position when the coupling means connecting the respective two actuating means is in said coupling position; a set of presetting sensing members respectively operatively connected to said register wheels, each of said presetting sensing members being movable between an inoperative position and an actuating position and being located opposite one of said coupling means, each presetting sensing member moving in said actuating position thereof the respective coupling means to said coupling position; a set of preetting control means respectively operatively connected to said register wheels, each presetting control means being connected to one of said register wheels spaced from the axis of the same and being located opposite the respective presetting sensing member when the respective register wheel is in said leading transfer position for holding said presetting member in said actuating position; and means for returning said first presetting means, said sleeve means, said coupling means, and said presetting sensing members to the respective inoperative positions of the same.

13. A transfer device as set forth in claim 12 wherein said denominational orders are decimal orders, wherein said series of consecutive digits are the digits from 0 to 9, wherein said transfer positions are respectively associated with the digits 0 and 9, and wherein said register wheels turn in one direction during addition so that said leading transfer position is associated with the digit 9 and said trailing transfer position is associated with the digit 0, and wherein said register wheels turn in opposite direction during subtraction so that said leading transfer position is associated with the digit 0 and said trailing transfer position is associated with the digit 9.

14. A device as set forth in claim 12 wherein said first presetting means are pivoted levers having cam tracks; wherein each of said register wheels includes an actuating projection located between said leading and trailing transfer positions and engaging and pivoting said pivoted levers to said preset position; and wherein said sleeve means have projecting pins engaging said cam tracks during rotation of said control shaft for shifting said sleeves to said actuating position.

15. A device as set forth in claim 14 wherein said operating means include a pivoted lever and a drive gear for turning a register wheel; and wherein said cam of said sleeve means is located opposite said pivoted lever in said actuating position of said sleeve means and pivots the same and said drive gear to an operative position, said cam having such length as to hold said pivoted lever in operative position until the respective register wheel has been turned to the next following position thereof by said drive gear.

Carrol June 26, 1917 Reynolds Nov. 16, 1954