US765774A - Calculating-machine. - Google Patents

Calculating-machine. Download PDF

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US765774A
US765774A US3166600A US1900031666A US765774A US 765774 A US765774 A US 765774A US 3166600 A US3166600 A US 3166600A US 1900031666 A US1900031666 A US 1900031666A US 765774 A US765774 A US 765774A
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indicators
wheel
axle
registers
teeth
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US3166600A
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Hyman Eli Goldberg
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C7/00—Input mechanisms
    • G06C7/10—Transfer mechanisms, e.g. transfer of a figure from a ten-key keyboard into the pin carriage

Definitions

  • My invention relates to calculating machines in which arithmetical operations are accomplished mechanically; and the objects in.
  • my invention general of my invention are, first, to provide amachine operated by but ten figure-keys and of such construction that when a number is to be set the keys are struck in the order in which a number is commonly read-that is, highest figure first, units last--said machine automatically adjusting itself to the number of figures in the number to be set; second, to eliminate both gravity and inertia as factors in the operation of the machine; third, to eliminate as far as possible the use of springs in the machine and to employ in their stead positive-acting locking and interlocking devices; fourth, to provide a machine which in adding shall show or indicate the number set before the same is actually added, which in case a number is by mistake incorrectly set may afford opportunity for erasing the incorrect number Without affecting the total previously obtained, which shall at all times show the total, and which shall at all times show a printed list of the numbers added.
  • the elements of the machine which more particularly embody my invention are, first, the tappets and tappet-actuating hammers; second, the indicators and indicator-carriage, together with the setting-wheel and carriageescapement; third, the devices for locking and erasing or resetting the indicators; fourth, the registers and their mountings in the rocking frame; fifth, the register-locking mechanism;
  • Figures 1 and 2 are side and plan views, respectively, showing the chief parts of the machine in their proper relative positions.
  • Fig. 1 is in section taken on the line 1 1, Fig. 2.
  • Figs. 3 and 1 are side views of the tappets and tappet-actuating hammers, illustrating the operation of the same.
  • Figs. 5 and 6 are side and plan views, respectively, of the settingwheel mounted upon the tappet-axle, the tappets, the hammers, the keys, and the carriageshifting yoke and lever-arm.
  • Figs. 7 and 8 are side and plan views, respectively, of the indicators and erasing or resetting mechanism, Fig. 7 being in section taken on the line 7 7, Fig.
  • Figs. 9 and 10 are side and plan views, respectively, of the indicator carriage and escapement, Fig. 9 being in section taken on the line 9 9, Fig. 10.
  • Fig. 11 is aside vie .v of a portion of a tappet-actuating hammer.
  • Fig. 12 is a view in perspective of a tappet.
  • Figs. 13 and 1 1 are views of a tappet, showing, respectively, the side and the edge thereof.
  • Figs. 15, 16, and 17 show the component parts of the tens-storing wheel, Fig. 15 showing the teeth for engagement alternately with the register and with the tens-carrying disk.
  • Fig. 16 shows the elongated tooth for engagement alternately with the tens-carrying disk and the next higher register, and Fig.
  • FIG. 17 shows the cam for operating the register-locking lever.
  • Fig. 18 is a side view of the complete tens-storing wheel, the components parts whereof are shown in Figs. 15, 16, and 17.
  • Figs. 19 and 20 are side and plan views, respectively, of the carriage-resetting mechanism and adjuncts thereof, Fig. 20 being partly in section on the line 20 20, Fig. 19. Said figures also show a portion of the indicators, the indicator-locking bar, and the actuating device of the latter.
  • Fig. 21 is a detail view of one of the carriage-resetting arms, the view being taken in the direction of the arrow, Fig. 19.
  • Fig. 22 is a side view of the registers and of the rocking frame wherein said registers are mounted.
  • FIG. 23 is a plan view showing the registers and a portion of the rocking frame.
  • 2 1 is a plan View showing a portion of the arm whereby the rocking frame is actuated, said figure also indicating the mechanism for operating said arm.
  • Fig. is a side view in detail showing the register-locking lever and "adjacent parts.
  • Fig. 26 is a side. view of certain of the gears connecting the tens-carrying axle with the operating-axle.
  • Figs. 27, 28, and 29 are detail views showing the construction of the ratchet-escapement on the indicatorcarriage.
  • Fig. 30 is a detail view in plan, and Fig.
  • FIG. 31 is a detail view from the side, showing the relative positions of the registers, tens-storing wheels, and tens-carrying disks.
  • Figs. 32, 33, 34, and 35 are diagrammatic views showing the operation of the tens storing and carrying mechanism.
  • Figs. 36and 37 are diagrammatic views, drawn to an increased scale, indicating suitable relative proportions of the'tens-storing wheel and related parts.
  • Fig. 38 is a detail view of a portion of the rocking frame, showing the operation of the locking-levers.
  • Fig. 39 is a detail view of the cam and arm whereby the rocking frame is operated.
  • Fig. 40 is a detail view of the cam whereby the carriage-resetting mechanism is operated.
  • Fig. 41 is a detail View of the cam for operating the indicatorlocking bar.
  • Fig. 42 is a detail view of the cam and lever whereby the erasing-bar is operated.
  • Fig. 43 is a plan view in detail showing a portion of the operating-axle, operatingcams, and related parts.
  • Figs. 44 and 45 are side and plan views, respectively, of the gears connecting the tens-carrying axle with the operating-axle.
  • Figs. 46 and 47 are side and plan views, respectively, showing the operating-axle, clutch, and mechanism for setting and releasing the same.
  • Fig. 48 is a detail view in plan, showing the means for preventing the sliding of the operating-sleeve longitudinally upon the operating-axle.
  • the parts of the machine will be grouped under the following heads: The number-setting part, The indicators, including the indicator carriage and escapement, The erasing or resetting mechanism, The registers, including the register-supporting frame and adjuncts, and The tens-carrying mechanism.
  • the number-setting part -The keys are ten in number and are supported upon the key-fulcrum 2 in such a manner as to rotate freely thereon. Said keys are provided with the usual finger-pieces 3, which bear upon their exposed faces the character from 0 to 9, indicating the value of the key.
  • the keys 1 are also provided with the segmental portion or hammers 4, the curved faces whereof are concentric with the key-fulcrum 2. The faces of the hammers 4 are of special construction and will be described in connection with the tappets 5.
  • the tappet-axle 6 is revoluble, but has a fixed position in the machine, being located a slight distance beyond the path of the faces of the hammers 4.
  • the tappets 5, above mentioned, are rigidly secured to said axle 6 and are so constructed that when in position upon said axle the concave segmental faces of said tappets may lie in the path of and make contact with the curved faces of said hammers 4. Said tappets extend in both directions from said axle 6, the purpose thereof being hereinafter pointed out.
  • the object of the said hammers and tappets is to impart a definite amount of rotation to the tappet-axle 6, and the final position of any tappet when engaged with its hammer is the position in which the curved faces of said hammer and tappet are in contact and concentric with the key-fulcrum 2.
  • the operation of said hammers and tappets is illustrated in Figs. 3 and 4. Referring to Fig. 3, it will be seen that when the forward portion 7 of the hammer 4 approaches the tappet 6 said forward portion will strike the portion 8 of said tappet which lies within the circle described by the face of said hammer.
  • said portions 7 and 9 are offset or cut away in the manner shown in Figs. 11 to 14, inclusive.
  • Said tappets and hammers are so constructed that the forward portion 7 of the hammer does not come opposite to the rear portion 9 of the tappet, thereby allowing said portions 7 and 9 to pass by each other and permitting said tappet to freely rotate, even though the portion 7 of said hammer is as near to the axle 6 as is the portion 9 of said tappet.
  • the portions 7 and 10 of said hammer come opposite to the portions 8 and 9, respectively, of said tappet, so that when the hammer is in approximate juxtaposition to said tappet the rotation of the latter in either direction will be prevented.
  • the setting-wheel 11 is rigidly secured to tates the indicator through an angle nine times remain in their initial position.
  • the zero-tappet is so set as to impart no rotation to the indicator, but looks the axle 6, while causing the shifting of the indicator-carriage, as herein after described.
  • the key-hammers 5 cause the axle 6 to rotate in only one direction, and the returning of said axle to its initial position is accomplished by the returning-lever 13 operating upon the returning-tappet 14.
  • Said tappet 14 is similar in construction and operation to the tappets 5, except that its efiect upon the axle 6 is to rotate the same in a reverse direction.
  • the returning-lever 13 is also similar in construction and operation to the keys 1, except that it is rigidly secured to and operated by the bar 2, which forms the key-fulcrum.
  • the hammer 15 of the returning-lever approaches its tappet 14 in a direction opposite to the direction of approach of the hammers 4 to their tappets 5.
  • the parts are so constructed and assembled that when the keys 1 approach said tappets 5 the lever 13 recedes from and releases the tappet 14, thereby permitting the rotation of the axle 6.
  • axle 6 and settingwheel 11 return to their initial position after each character is set up that is, after the operation of each and every one of the keys 1.
  • This returning of the axle 6 is accomplished by means of a yoke, which consists of the yoke-bar 16, carried at the extremities of the yoke-arms 17 17 Said arms are rigidly secured to the fulcrum-bar 2, and the yoke-bar 16 extends transversely to the keys 1 in proximity thereto in such a manner that the motion of any one of said keys in a direction to operate the tappets 5 Will move said bar 16 and cause the rotation of said fulcrum-bar 2.
  • the yoke-bar 16 and figure-keys 1 are pivoted upon the same axis, there will be no sliding action of said bar upon said keys, friction between the parts being thereby substantially eliminated.
  • a spring 18 is attached to each one of the keys 1, so that said keys tend to assume and A spring 19 is also attached to one or both of the yoke: arms 17 so as to cause the yoke to return to its initial position, thereby causing the returning-lever 13 to actuate the returning-tappet 1 1 and bring the setting-wheel 11 back to the initial position thereof.
  • Said springs 18 and 19 are also attached to the bars 18 and 19, respectively, which latter are fixed at their extremities in the frame or casing of the machine.
  • the fixed shaft 20 extends in a direction parallel to the axle 6 and fulcrum-bar 2 and forms a support for the indicators 12.
  • Said indicators are loosely mounted, so as to be revoluble independently of each other upon the sleeve '21 of the indicator-carriage, as best shown in Figs. 7, 8, 9, 10, 19, and 20.
  • the indicators 12 are subject to two motions one of rotation,due to the setting-wheel 11, and the other of translation, due to the lateral shifting of the carriage. It is the translation of the carriage consequent upon the action of the escapement that brings the indicators successively into engagement with the setting-wheel 11 and gives the place value to thefigures set up.
  • the indicator-carriage consists of the sleeve 21, shiftable longitudinally upon the shaft 20, above mentioned, and has the side arms 24 24:, which extend in the same direction from said sleeve and are located at such a distance apart as to hold the indicators 12 in close proximity to each other without preventing the free and independent rotation of said indicators.
  • the outer extremities of said side arms 24 are constructed to slide upon the fixed guide-bar 25. It is important that the rotation of the indicators 12 be confined within definite limits, and as a suitable means of limiting such a rotation the said indicators are provided with an aperture 26, as best shown in Figs. 1 and 7.
  • the fixed guide-bar 25v extends through said apertures 26 and serves as a stop for said indicators when the portions 27 and 28 at the upper and lower extremities, respectively, of said apertures are rotated into contact with said bar.
  • the translation of the carriage is effected by means of the spiral compression-spring 24, which encircles the guide-bar 25 and abuts at one extremity against the side framework or casing of the machine and at the other against the adjacent one of the side arms 24 of the.
  • ratchet 29 is rigidly secured to the indicator-carriage and is provided with teeth 31, as shown in detail in Figs. 27, 28, and 29.
  • the working faces of said teeth are set toward the left, or in the direction of the travel of the carriage, while said pawl 30 is provided with two teeth 32, whose working faces are opposed to the faces of said ratchetteeth 31.
  • Said pawl-teeth are located in different planes one above the other and at such a distance apart in a horizontal direction that when said pawl is rotated in one direction about the shaft 33 one of said pawl-teeth is released from the contiguous ratchet-tooth 31, permitting the ratchet to escape the detaining-tooth of the pawl.
  • the rotation of the pawl causes the second one of the pawl-teeth 32 to engage one of the ratchetteeth 31 after the ratchet 29 has moved a half-step toward the leftthat is to say, a distance equal to half the distance between the ratchet-teeth 31.
  • the'pawl 30 is pivotally mounted in the pawl-box 34 in such a manneras to be withdrawn from the path of the rackteeth when the ratchet 29 is retracted, as shown in Fig. 28.
  • Said pawl is pivoted upon the pin 35 in said pawl-box and tends to return to its normal position by reason of the spring 36, attached to said pin.
  • the pawlbox 34 is supported by and rigidly secured to the rock shaft 33 above mentioned.
  • the mechanism for rotating said rock-shaft 33 is best shown in Figs. 5, 9, and 10 of the drawing, wherein 37 represents a rocking arm, one extremity whereof is rigidly secured to said rock-shaft.
  • the other extremity of said arm carries a projecting pin 38, adapted to be engaged by the hooks 39 39, formed at the free extremity of the escapement-lever 40.
  • the lower extremity of the lever 40 is rigidly secured to the fulcrum-bar 2, thereby receiving a rocking or vibratory motion when any of the keys 1 is struck and the said bar 2 rotated. It is evident that a complete stroke of the arm 37 in one direction permits the escapemen t of the indicator-carriage one halfstep toward the left, while a complete stroke of said arm inthe return direction permits the escapement of the carriage a second halfstep toward the left.
  • the hooks or prongs 39 are so constructed and the lever 40 is so set upon the bar 2 that said hooks engage the pin 38 only toward the end of the stroke of the said lever 40.
  • the first half-step of the escapement or translation of the carriage may take place after the rotation of the indicator has been accomplished by the setting-wheel 11 and that lows: First, the setting-wheel 11 is in engagement with one of the indicators 12 and rotates said indicator the proper distance from the initial position, at the same time positively looking it; second, by the operation of the escapement the carriage and indicator are translated one half-step to the left, which motion releases the indicator from the setting-wheel; third, the setting-wheel is rotated backward to its initial position and positively locked; fourth, the indicator-carriage is translated a second half step toward the left, thereby bringing the next one of the indicators 12 into engagement with the setting-wheel 11.
  • the indicator-carriage has completed its travel toward the left, it is returned to its initial position by the carriage-shifting mechanism, consisting of a series of levers actuated by a cam 41, rigidly set upon the operatingaxle 42, as shown in Figs. 19, 20, and 21.
  • the shifting lever 43 is rigidly secured at one extremity to the shaft 44 and at its free extremity is adapted to work against a convenient portion of the escapement-ratchet 29.
  • Said shaft which is pivotally supported in the bearings 44, extends to a point near the axle 42 and is provided with an arm 45, extending substantially at right angles to said shaft. At its free extremity said arm carries africtionroller 46 for working upon said cam 41.
  • the parts are so assembled that when the cam 41 operates upon the roller 46 the arm causes the shaft 44 to rotate in such a direction that the arm 43 forces the carriage to its original position.
  • the reserve indicators are prevented from rotating by a fixed lockingbar 47. (Shown in Figs. 1, 7, 8, and 20.) Said bar 47 does not extend completely to a point opposite the setting-wheel, for the reason that the indicator which at any time is in engagement with said setting-wheel is suitably'controlled by the latter.
  • a movable locking-bar 48 is provided for maintaining the active indicators in the position to which they have been brought by the setting-wheel.
  • Said bar 48 is of such extent as to receive and lock the active indicators immediately upon the translation of said indicators from the setting-wheel.
  • Said bar48 is hung by means of arms 49 49, rigidly attached to the shaft 50 in such a manner that the rocking of said shaft moves said bar into and out of engagement with the teeth of the indicators 12.
  • Said shaft 50 is supported at its extremities in the side frames of the machine, as shown in Fig. 2. The indicators are released only when the indicators are to be reset to the Zero position, as will hereinafter more fully appear.
  • the operating-axle 42 above mentioned is encircled by and may rotate the operatingsleeve 54. (Best shown in Figs. 43, 47, and 48.) Said axle 42 extends, preferably, across the machine and is rotated by means of the handle 55 or in any other suitable manner. As will hereinafter appear, when a number has been incorrectly set upon the indicators the indicators and indicator-carriage may be replaced in their initial position without affecting the previously-obtained total by op erating the axle 42 without operating the said sleeve 54.
  • the independent or the simultaneous rotation of said parts 42 and 54 is governed by the clutch 56, which is so constructed that when said clutch is set the parts 42 and 54 rotate together, but when the clutch is released the axle 42 rotates without affecting said sleeve 54.
  • the precise construction of said clutch will be referred to in connection with the cams and other cycle-completing parts operated by said handle 55.
  • the erasing 0r resetting mechanism After the indicators 12 have been rotated to various positions consequent upon the setting up of all be returned to their initial or zero position preparatory to setting up another number by means of the erasing or resetting mechanism, which comprises a bar 57, supported at its extremities and suspended from the shaft 20 by means of the arms 58 58. Said arms are rigidly secured to said shaft at such a distance apart as to permit the travel of the indicator-carriage, and preferably in such positions as to form stops to confine said travel within the proper limits.
  • the bar 57 extends through the apertures 26 in the indicators 12 and is adapted to come into contact with the portions 27 and 28 at the extremities of said apertures.
  • the erasing-bar 57 oocupies a position adjacent to the carriage guide-bar 25, so as not to interfere with the rotation of the indicators; but when a number is to be erased the rotation of the shaft 20 in the proper direction raises the erasing-bar 57, thereby bringing said bar into contact with the upper portions 27 of said indicators. This rotates said indicators toward the zero position until further motion is prevented by the portions 28 of the indicators coming into contact with the guide-bar 25, at which time the indicators regain the zero position.
  • the rotation of the shaft 20 for resetting the indicators is accomplished by actuating devices.
  • the link 59 is pivotally connected at one extremity to one of the arms 58 at a point removed a suitable distance from the center of the shaft 20.
  • the other extremity of said link 59 is pivotally connected to the upper extremity of the lever 60, said lever having the prongs 61 and 61" at its lower extremity operated by the cam 62.
  • Said lever is supported between its extremities by means of the fulcrum 63, which latter is mounted in the bracket 63, secured to the rear wall of the casing of the machine.
  • the cam 62 is rigidly set upon the operating-axle 42, and the parts are so related that the rotation of the cam 62 causes the proper movement of the erasing-bar 57, as above mentioned and more fully described hereinafter.
  • the registers 64 consist of disks of similar configuration and size mounted side by side upon the shaft 65, so as to rotate thereon independently of each other.
  • the width of the said registers is equal to the width of the indicators 12.
  • the teeth 66 of the registers are for the purpose of engaging the teeth of the indicators 12 and occupy a portion only of the width of said registers, the remaining cylindrical portion 67 having marked thereon the figures O to 9 in one or more series for registering the totals in the manner usual in such machines.
  • Said teeth 66 are some multiple of ten in number and occupy a position 'upon the right of the register when looking direction of the arrow, Fig. 2.
  • the points of the teeth 66 preferably-do not project beyond the cylindrical portion 67 of the registers, but are substantially flush with the same.
  • the tens-carrying teeth 68 are formed at one or more points in the cylindrical portion 67 of the registers for the purpose hereinafter described.
  • The'point at which said teeth are located corresponds to a Zero-point on the register, there being as many sets of teeth 68 as there are series of figures upon the register.
  • Said teeth 68 are formed at the left portion of the register and preferably project slightly beyond the cylindrical face thereof.
  • the rocking frame which constitutes the mountings for the registers, is best shown in Figs. 1, 22, 23, and 38.
  • Said frame consists of the side bars 69 69, which support the register-shaft and are pivoted on the rockingframe fulcrum 7 O.
  • Said fulcrum 70 consists of a shaft having a fixed position in the machine, but revoluble upon its own axis. In order to stiffen the frame, said bars 69 are also connected by the cross-rod 71.
  • One of said bars 69 has an extending arm 72, forming a lever for rocking said frame upon the fulcrum 70.
  • Said lever is operated by a cam 73, which works within the prongs 74: and 7 4?, formed upon said lever.
  • Said cam is rigidly set upon and rotated by the operatingsleeve 54, as described in connection with the cycle-completing mechanism hereinafter.
  • the parts are so related that when the rear pronged extremity of the lever 72 is depressed by said cam the bars 69 are rocked about the fulcrum 70, thereby bringing the registers 64 into mesh with the indicators 12. Said registers are brought into mesh with said indicators only when a number is to be transferred from the indicators to the registers. Except during the carrying of the tens each of the registers when out of mesh with the indicators is locked in position by a lockinglever 75, pivoted upon the fulcrum 76. Said fulcrum 76 is supported at one extremity by the standard 7 6*, rising from the bottom of the machine, near the central portion thereof, and said fulcrum is fixed at its other extremity in the adjacent side wall of the machine, as shown in Fig. 23.
  • Each of the levers 75 is operated by a cam 77, which is loosely mounted upon the shaft 78 and forms a component part of the tens-storing wheel 79 hereinafter described.
  • Said shaft 78 is fixed at its extremities in the side bars 69 of the rocking frame.
  • Said locking-levers are provided with working surfaces 7 5, upon which the cams 77 operate, as shown in Fig. 38.
  • Said surfaces 75" are so formed that when the registers are out of mesh with the indicators and the cams 77 are in their normal posit-ion (which they occupy at all times except during levers.
  • said surfaces 7 5 are concentric with the fulcrum 70.
  • the shaft 76 is stationary and as the rocking motion of the rocking frame causes the cams 77 to move in a path co'ncentriewith the shaft 70 and, moreover, as the surfaces 7 5 of the locking-levers are also concentric with said shaft 7 0 it follows that unless the cams 77 are rotated upon their own axis 78 the rocking motion of the rocking frame will have no effect upon said locking-levers 75 to move the same. Therefore said locking-levers remain stationary at all times independently of the position of the rocking frame, and said levers move only when during the carrying of the tens the cams 77 rotate individually upon the shaft 78.
  • the locking-levers become virtually stationary and the moving of the registers 64: into mesh with the indicators 12 results in the moving of said registers away from and out of mesh with said locking
  • the purpose in making the locking-levers movable being to provide means for permitting the carrying of the tens.
  • register-retaining bar or rack 80 When the registers are moved by the rocking frame toward the indicators, one or more of said registers are engaged by a corresponding number of indicators, depending on the lateral position of said indicators.
  • a register-retaining bar or rack 80 In order to prevent the rotation of the remaining registers, there is provided a register-retaining bar or rack 80. Saidbar or rack has a motion corresponding to the motion of translation of the indicator-carriage, so as to engage only such of the registers as are not engaged by the indicators, said bar or rack preferably forming a component part of said carriage.
  • the zfmscmWy iwg wwchcmwm-By tenscarrying mechanism is signified the correlated devices whereby at the proper time a ten upon any given register is transferred so as to register a unit upon the next higher register.
  • the registers are actuated by the tens-storing wheels 79, (shown in detail in Figs. 15 to 18,) said wheels being in turn actuated by the carrying-disk 81.
  • the tens-storing wheel 79 consists of three portions or parts 77, 82, and 83, which may be formed separately and subsequently brazed or otherwise secured together or may be constructed of a single piece.
  • the said parts are shown separately, Fig. 17 representing the cam 77 above described, and Figs. 15 and 16 representing the parts 82 and 83, respectively.
  • Said part 82 consists of a toothed wheel mutilated by having a portion of the teeth thereof cut away, the remaining teeth being adjacent and preferably two in number.
  • Said part 83 consists of an arm projecting beyond the point circle of the wheel 82 and extending in a different direction from the teeth of said wheel.
  • a suitable construction of the tens-storing wheel as assembled is shown from the side in Fig. 18, said figure showing a mutilated fivetoothed wheel having but two teeth remaining and the arm 83 extending on a radius angularly advanced from one of said teeth approximately three-tenths of a circumference.
  • the assembled wheel 79 is shown in top or plan view in Fig. 30, the mutilated gear being interposed between the cam 77 and arm 83.
  • the relation of the parts is such, however, that the lever 75, operated by the cam 77, operates upon the same register as does the arm 83 of the storing-wheel, the periods of operation being such that the lever 7 5 is released from any given register only while the said arm 83 is rotating such register, as will hereinafter appear.
  • the storing-wheel is so located with respect to the registers 64 that the teeth of the mutilated gear 82 may mesh with the teeth 68 of said register and may also make contact with the surface. 67 thereof.
  • the arm 83 is so located as to engage the teeth 66 on the next higher register.
  • the tens-storing wheels are loosely mounted upon the shaft 78, so as to rotate independently thereon, and the distance between the curved surface 67 of the register M and the axis of the tens-storing wheels 79 is less than the radius of the point-circle of the gear-wheel 82.
  • the arm 83 extends in such a direction and is of such length as not to interfere with the registers 64: when the teeth of the part 82 are locked between said registers and. the carrying-disks 81, the relation of the parts being indicated in Fig. 36.
  • the tens-carrying disks 81 above mentioned are rigidly set upon the axle and are provided with teeth 84 for gearing with the toothed part 82 of the tens-storing wheels 7 9.
  • the teeth 84L do not occupy the full circumference of said disks, and the remaining portion 85 of the circumference is a curved surface of revolution, preferably cylindrical.
  • Said curved surface 85 approaches the axis of the tens-storing wheel 79 to within adistance less than the radius of the point-circle of the part 82 of said wheel, thereby preventing the rotation of said wheel when said curved surface is in conjunction with the teeth thereof, but rotating said wheel when the teeth 84 are in mesh with the teeth upon the part 82.
  • the arm or lug 86 Located preferably upon the side of the disk 81, but in such a position as to engage the arm 83 of the storing-wheel, is the arm or lug 86, so placed as to occupy a position in front of the teeth 84 with respect to the direction of rotation of said disk 81.
  • the purpose of the arm 86 is to insure the engagement of the teeth 84 with the teeth of the part 82 of the storing-wheel 79.
  • the registers 64 are so constructed and placed that said wheel 79 is locked by the curved surfaces of the said adjacent members; but if the teeth 68 of the register engage the said storingwheel the-latter is rotated to such a position as to'be engaged by the teeth 8 k and arm 86 of said disk 81'. Moreover, the rotation of said storing-wheel 79 by said disk 81 causes the said arm 86 to rotate the next higher register one figure, thereby carrying the ten.
  • the carrying-disks 81 are arranged in a series upon the axle 7 O and constitute the carrying-drum of the machine.
  • the teeth 84 are so set in the carrying-drum as to constitute a helix or screw, thereby causing the rotation of the tens-storing wheels 79 sew imam, so as to carry from units place first, highest place last.
  • the gear-wheel 87 is rigidly fixed on the axle 7 O and is driven by the gear-wheel 88. (Shown in Fig. 26.) Part of the teeth upon the peripheries of each of said wheels is substituted by a cylindrical portion, the cylindrical portion 89 upon the wheel 87 being concave and locking upon the convex cylindrical portion 90 upon the wheel 88.
  • the wheel 87 is locked during a portion of the period of rotation of the wheel 88.
  • Said wheel 88 is driven by a train of gearwheels 91 91. (Shown in Figs. 2, 43, 4A, and One of said gears is concentric with and fixed to said wheel 88, and a second thereof is concentric with and driven by the operating-sleeve 5a.
  • the intermediate one of the gear-wheels 91 is loosely mounted upon the stud-shaft 91, fixed in the adjacent side wall of the machine. mounted upon the stud-shaft 88.
  • the framework of the machine is constructed in any suitable form and manner.
  • 92 forms the bottom and 93 93 the sides of the machine.
  • the front 94 is provided with an aperture 95 for the passage of the sheet upon which has been printed the numbers set.
  • the sight-orifices 96 and 97 are also provided for permitting the figures upon the indicators and registers, respectively, to be read.
  • 98 represents the back or rear wall of the machine.
  • the cycle-completing mechanism which comprises the shaft &2 and parts mounted thereon.
  • the sleeve 54 is provided and so constructed that the parts directly concerned in said transferring may Said wheel 88 is similarly remain stationary while the other resetting and cycle-completing parts are operated.
  • the parts directly concerned in said transferring or adding are the tens-carrying devices and the rocking frame.
  • Said sleeve 54 therefore carries the driving gear-wheel 91, which actuates the carrying-disks, and said sleeve also carries the cam 73, which actuates the rocking frame.
  • Said sleeve which is best shown in Figs. 43, 47, and 48, is loose upon the axle 42, but is prevented from lateral motion thereon by means of the screw-pin 99, which is fixed in said sleeve and projects into the slot 100, out circumferentially in the axle 42, as shown in Fig. 48.
  • Said pin fits loosely in said slot, so as not to prevent the independent rotation of the sleeve 54 and axle 42.
  • Integral with said sleeve at the extremity thereof is the disk 101 of the clutch 56, above mentioned.
  • Said disk is provided with a notch or slot 102 for receiving the corresponding projection 103 upon the second clutch-disk 104.
  • Said disk 104 is loose upon the axle 42, but is prevented from rotating thereon by means of the spline 105. (Shown in Figs. 46 and 47.)
  • the disk 104 is circumferentially grooved to receive the shifting collar 106, which has a slotted link-and-pin connection with the shifting yoke 107.
  • the bracket 108 secured to the rear wall 98, forms a support for the shifting lever 109, which is integral with said yoke and is pivoted so as to effect the horizontal motion thereof.
  • the yoke 107 has a branch 110, adapted to engage the notched periphery of the disk 101 when the disk 104 is out of engagement therewith. By means of said branch the sleeve 54 is prevented from rotating when the clutch is released.
  • the lever 109 projects through a slot in the rear wall 98 and terminates in a handle 111.
  • a spring 112 is attached to the lever 109 and to the wall 98 in such amanner as to normally keep the clutch in aset positionthat is, with the disks 101 and 104 in engagement.
  • the first action of the cycle-completing mechanism is to cause the rocking frame to move the registers 64 into mesh with the indicators 12. This is accomplished by lowering the rear extremity of the arm 72 by means of the cam 73. (Shown in detail in Fig. 39.)
  • Said cam for greater accuracy comprises two working parts, each provided with separate working surfaces, the
  • the pointer X traveling upon the reference-circle Y, indicates the angular progress ofthe axle 42 from its initial position.
  • the cam 73 is so constructed that the arm 72 commences to lower immediately upon the commencement of the rotation of the shaft 42 and reaches its lowest position at the end of thirty degrees of rotation. The said cam holds said arm in the low such raising at the end of the first thirty degrees of rotation of the shaft 42.
  • said axle has rotated sixty-five degrees.
  • the erasing-bar 57 must next be operated to return the now free indicators to their initial position, and this operation is accomplished by moving the lower extremity of the lever 60 toward the rear.
  • Said motion of the lever 60 is effected by the cam 62 (shown in Fig. 42) and commences after the axle 42 has rotated sixty-five degrees.
  • the construction of the cam 62 is analogous to that of the cams 73 and 52, the parts 117 and 118 operating upon the prongs 61 and 61, respectively. Said parts are so proportioned that an additional rotation of the axle 42 through fifty degrees causes the indicators to reach their initial position and subsequently causes the erasing-bar 57 to return.
  • the axle 42 has now rotated one hundred and fifteen degrees, and the cams 73 and 53 operate, respectively, to lower the rocking frame and return the locking-bar 48. These return motions are accomplished in a further rotation of ten degrees.
  • the cam 41 now commences to lower the roller 46 and arm 45, thereby causing the indicator-carriage to be moved toward the right into the initial position, the resetting being accomplished in one hundred and twenty-five degrees or at any period within the complete rotationof the axle 42.
  • the gears for driving the fulcrum-shaft 70 i are so timed as to rotate said shaft subsequently to the first one hundred and twentyfive degrees of rotation of the axle 42.
  • the carriage translates the indicators so that said setting-wheel becomes out of mesh therewith and occupies a position between two adjacent indicators.
  • the second or return stroke of the key struck withdraws the hammer L from its tappet 5, thereby unlocking the set-
  • the force of the spring 19 causes the yoke to move the returning-lever 13 so as to operate the returning-tappet let and bring the setting-wheel back to a Zero position and lock the same in such position.
  • the return stroke of the yoke operates the carriage-escapement similarly to the manner described and permits the carriage to be moved a second half-step, thereby bringing the next indicator into mesh with the setting wheel 11. This completes the cycle dependent upon the motion of the figurekeys 1.
  • the indicators when not engaged by the setting-wheel 11 are locked by the fixed bar 47 and movable bar 18, the latter engaging the active indicators. WVhen a number is to be added or transferred from the indicators 12 to the registers 64, the latter are moved by means of the bars 69 of the rocking frame into mesh with said indicators. Said motion of the registers releases the same from the locking-levers 75, which remain stationary during the transferring of the number. After the indicators and registers are in engagement the further rotation of the operating-axle 12 causes the erasing-bar 57 to reset the indicators to the zero position. This erasing or resetting of the indicators causes the rotation of the registers, and thereby transfers the number thereto from said indicators.
  • the registers are then disengaged from theindicators and returned by the rocking frame to the original position, where they are locked by the levers 75.
  • the transferring of the number to the registers it is possible that one or more of said registers have been rotated past a zeropoint that is, past a series of figures-.-a ten being thereby completed, which must be transferred or carried as a unit onto the next higher register.
  • This carrying is accomplished by the rotation of the operating-sleeve 54, which drives the axle of the tens-carrying drum.
  • Such of the registers as have completed a ten have by means of the teeth 68 rotated the tensstoring wheel '79 from the locked position shown in Figs. 32 and 33 to the position shown in Fig.
  • the carriage resetting mechanism, the erasing mechanism, and the locking-bar 18 maybe operated without disturbing the tens-carrying mechanism and registers by releasing the clutch 56, so that the operating-axle 42 shall rotate without rotating the operating-sleeve 54:.
  • the clutch 56 will be set so that both axle and sleeve will rotate together, and a single rotation of the handle 55 will add the number on the indicators to the number previously shown on the registers and at the same time reset all parts in readiness for setting up a new number.
  • a member revoluble about a fixed axis, and a second member for actuating the same one of said members having a working surface and the other of said members having a portion for working against said surface; said members when in conjunction, i'naking sliding contact at points on said revoluble member on opposite sides of a line passing through the axis thereof at right angles to a line joining the extreme points of contact of said members, whereby said revoluble member is locked when said parts are in conjunction, but said actuating member is free to move in either direction.

Description

No. 765,774. PATENTED JULY 26, 1904. H. E. GOLDBERG. CALCULATING MACHINE.
APPLICATION FILED 00121, 1900. N0 110mm. 11 SHEETS-SHEET 1.
/M l/f J QQAQ ws W ad W ad U wv\\ && a m m & t r 1 m G q m w a m H v 2 M 1 1M 7 U Md No. 765,774. PATENTED JULY 26, 1904. H. B. GOLDBERG. GALGULATING MACHINE.
APPLICATION FILED 00121.1900.
N0 MODEL. 11 8HEBTS-SHEET 2.
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PATBNTED JULY 26, 1904 H. E. GOLDBERG. GALGULATING MACHINE.
APPLICATION FILED OGT.1, 1900.
ll SHEETSSHEET 3.
N0 MODEL,
I ll: "IIII 1 i lz o rvz/ci 5 No. 765,774. PATENTED JULY 26, 1904.
H. E. GOLDBERG. CALCULATING MACHINE. -v
APPLICATION FILED 0GT.1, 1900.
N0 MODEL. 11 SHEETS-SHEET 4.
Hyman/-571 Gblao'ewy ziof'neyci No. 765,774. PATENTED JULY 26, 1904. H. E. GOLDBERG.
CALCULATING MACHINE.
APPLIOATION run) 0011, 1900.
N0 MODEL.
11 8HBETS-SHEET a.
A mama N0. 765,774. PATENTED JULY 26, l904.
H. E. GOLDBERG.
CALCULATING MACHINE. X. APPLICATION FILED 00.1". 1, 1900.
NO MODEL.
11 SHEETS-SHEET 7.
No. 765,774. PATENTED JULY 26, 1904. H. E. GOLDBERG.
CALCULATING MACHINE.
APPLICATION FILED OCT. 1, 1900. N0 MODEL.
11 SHEBTSSHEET 8.
LWLMMM 3/ M No. 765,774. PATENTED JULY 26, 190:1.
H.'E. GOLDBERG.
CALCULATING MACHINE.
APILIOATIOK FILED OUT. 1, 1900. H0 MODEL. 11 BHEETB-BHEBT 9.
PATENTED JULY 2 1904.
H. E. GOLDBERG. CALCULATING MACHINE.
APPLICATION FILED OCT. 1, 1900.
11 SHBBTSSHEET 10.
NO MODEL.
Zdifndc 5 No. 765,774. PATBNTED JULY 26,}904.
H. E. GOLDBERG. CALCULATING MACHINE.
APPLICATION FILED OUT. 1, 1900. N0 MODEL. 11 SHEETS-SHEET ll.
9/ illlllllll l l iilllllllllllIllIIi lIllllllllllllllllllir illlllllll .llllllIlll "ED a 73" 73 90 6'6 7a lullanamllllu lo] lllh I08 Q 44 ml- 5 lmlmm m 7 5 v 53 llllli xix/hum 1-MXMALQX'\ Patented July 26, 1904.
PATENT OFFICE.
HYMAN ELI GOLDBERG, OF CHICAGO, ILLINOIS.
CALCULATING-MACHINE.
SPECIFICATION forming part of Letters Patent N0. 765,774, dated July 26, 1904.
Application filed-October 1, 1900. Serial No. 31,666. No model.)
To all whom it may concern.-
Be it known that I, HYMAN ELI GOLDBERG, a citizen of the United States, residing in the city of Chicago, county of Cook, State of Illinois, have invented a new and useful Calculating-Machine, of which the following is a specification.
My invention relates to calculating machines in which arithmetical operations are accomplished mechanically; and the objects in.
general of my invention are, first, to provide amachine operated by but ten figure-keys and of such construction that when a number is to be set the keys are struck in the order in which a number is commonly read-that is, highest figure first, units last--said machine automatically adjusting itself to the number of figures in the number to be set; second, to eliminate both gravity and inertia as factors in the operation of the machine; third, to eliminate as far as possible the use of springs in the machine and to employ in their stead positive-acting locking and interlocking devices; fourth, to provide a machine which in adding shall show or indicate the number set before the same is actually added, which in case a number is by mistake incorrectly set may afford opportunity for erasing the incorrect number Without affecting the total previously obtained, which shall at all times show the total, and which shall at all times show a printed list of the numbers added.
The elements of the machine which more particularly embody my invention are, first, the tappets and tappet-actuating hammers; second, the indicators and indicator-carriage, together with the setting-wheel and carriageescapement; third, the devices for locking and erasing or resetting the indicators; fourth, the registers and their mountings in the rocking frame; fifth, the register-locking mechanism;
sixth, the tens storing and carrying mechanism and the actuating devices thereof.
Claims to the registering mechanism are contained in a separate application for Letters Patent filed by me in the United States Patent Office on the 25th day of October, 1902, Serial No. 128,716.
accomplish my objects by the mechanism illustrated in the accompanying drawings, in which Figures 1 and 2 are side and plan views, respectively, showing the chief parts of the machine in their proper relative positions. Fig. 1 is in section taken on the line 1 1, Fig. 2. Figs. 3 and 1 are side views of the tappets and tappet-actuating hammers, illustrating the operation of the same. Figs. 5 and 6 are side and plan views, respectively, of the settingwheel mounted upon the tappet-axle, the tappets, the hammers, the keys, and the carriageshifting yoke and lever-arm. Figs. 7 and 8 are side and plan views, respectively, of the indicators and erasing or resetting mechanism, Fig. 7 being in section taken on the line 7 7, Fig. 8. Figs. 9 and 10 are side and plan views, respectively, of the indicator carriage and escapement, Fig. 9 being in section taken on the line 9 9, Fig. 10. Fig. 11 is aside vie .v of a portion of a tappet-actuating hammer. Fig. 12 is a view in perspective of a tappet. Figs. 13 and 1 1 are views of a tappet, showing, respectively, the side and the edge thereof. Figs. 15, 16, and 17 show the component parts of the tens-storing wheel, Fig. 15 showing the teeth for engagement alternately with the register and with the tens-carrying disk. Fig. 16 shows the elongated tooth for engagement alternately with the tens-carrying disk and the next higher register, and Fig. 17 shows the cam for operating the register-locking lever. Fig. 18 is a side view of the complete tens-storing wheel, the components parts whereof are shown in Figs. 15, 16, and 17. Figs. 19 and 20 are side and plan views, respectively, of the carriage-resetting mechanism and adjuncts thereof, Fig. 20 being partly in section on the line 20 20, Fig. 19. Said figures also show a portion of the indicators, the indicator-locking bar, and the actuating device of the latter. Fig. 21 is a detail view of one of the carriage-resetting arms, the view being taken in the direction of the arrow, Fig. 19. Fig. 22 is a side view of the registers and of the rocking frame wherein said registers are mounted. Fig. 23 is a plan view showing the registers and a portion of the rocking frame. 2 1 is a plan View showing a portion of the arm whereby the rocking frame is actuated, said figure also indicating the mechanism for operating said arm. Fig. is a side view in detail showing the register-locking lever and "adjacent parts. Fig. 26 is a side. view of certain of the gears connecting the tens-carrying axle with the operating-axle. Figs. 27, 28, and 29 are detail views showing the construction of the ratchet-escapement on the indicatorcarriage. Fig. 30 is a detail view in plan, and Fig. 31 is a detail view from the side, showing the relative positions of the registers, tens-storing wheels, and tens-carrying disks. Figs. 32, 33, 34, and 35 are diagrammatic views showing the operation of the tens storing and carrying mechanism. Figs. 36and 37 are diagrammatic views, drawn to an increased scale, indicating suitable relative proportions of the'tens-storing wheel and related parts. Fig. 38 is a detail view of a portion of the rocking frame, showing the operation of the locking-levers. Fig. 39 is a detail view of the cam and arm whereby the rocking frame is operated. Fig. 40 is a detail view of the cam whereby the carriage-resetting mechanism is operated. Fig. 41 is a detail View of the cam for operating the indicatorlocking bar. Fig. 42 is a detail view of the cam and lever whereby the erasing-bar is operated. Fig. 43 is a plan view in detail showing a portion of the operating-axle, operatingcams, and related parts. Figs. 44 and 45 are side and plan views, respectively, of the gears connecting the tens-carrying axle with the operating-axle. Figs. 46 and 47 are side and plan views, respectively, showing the operating-axle, clutch, and mechanism for setting and releasing the same. Fig. 48 is a detail view in plan, showing the means for preventing the sliding of the operating-sleeve longitudinally upon the operating-axle.
Similar letters refer to similar parts throughout the several views.
For convenience of description the parts of the machine will be grouped under the following heads: The number-setting part, The indicators, including the indicator carriage and escapement, The erasing or resetting mechanism, The registers, including the register-supporting frame and adjuncts, and The tens-carrying mechanism.
The number-setting part=-The keys are ten in number and are supported upon the key-fulcrum 2 in such a manner as to rotate freely thereon. Said keys are provided with the usual finger-pieces 3, which bear upon their exposed faces the character from 0 to 9, indicating the value of the key. The keys 1 are also provided with the segmental portion or hammers 4, the curved faces whereof are concentric with the key-fulcrum 2. The faces of the hammers 4 are of special construction and will be described in connection with the tappets 5.
The tappet-axle 6 is revoluble, but has a fixed position in the machine, being located a slight distance beyond the path of the faces of the hammers 4. The tappets 5, above mentioned, are rigidly secured to said axle 6 and are so constructed that when in position upon said axle the concave segmental faces of said tappets may lie in the path of and make contact with the curved faces of said hammers 4. Said tappets extend in both directions from said axle 6, the purpose thereof being hereinafter pointed out. The object of the said hammers and tappets is to impart a definite amount of rotation to the tappet-axle 6, and the final position of any tappet when engaged with its hammer is the position in which the curved faces of said hammer and tappet are in contact and concentric with the key-fulcrum 2. The operation of said hammers and tappets is illustrated in Figs. 3 and 4. Referring to Fig. 3, it will be seen that when the forward portion 7 of the hammer 4 approaches the tappet 6 said forward portion will strike the portion 8 of said tappet which lies within the circle described by the face of said hammer. The continued travel of said hammer causes the tappet to rotate until the rear portion 9 of said tappet comes into contact with the rear portion 10 of said hammer, as shown in Fig. 4, the motion of said tappet being thereby arrested. By this means the danger of too great rotation of the tappet is eliminated and the tappet is positively locked in its proper position.
In order that the forward portion 7 of the hammer may not interfere with the rear portion 9 of the tappet upon occasions when said tappet is rotated by the axle consequent upon the operation of any of the other keys, said portions 7 and 9 are offset or cut away in the manner shown in Figs. 11 to 14, inclusive. Said tappets and hammers are so constructed that the forward portion 7 of the hammer does not come opposite to the rear portion 9 of the tappet, thereby allowing said portions 7 and 9 to pass by each other and permitting said tappet to freely rotate, even though the portion 7 of said hammer is as near to the axle 6 as is the portion 9 of said tappet. The portions 7 and 10 of said hammer, however, come opposite to the portions 8 and 9, respectively, of said tappet, so that when the hammer is in approximate juxtaposition to said tappet the rotation of the latter in either direction will be prevented.
The setting-wheel 11 is rigidly secured to tates the indicator through an angle nine times remain in their initial position.
as great as does key No. 1. The zero-tappet is so set as to impart no rotation to the indicator, but looks the axle 6, while causing the shifting of the indicator-carriage, as herein after described.
The key-hammers 5 cause the axle 6 to rotate in only one direction, and the returning of said axle to its initial position is accomplished by the returning-lever 13 operating upon the returning-tappet 14. Said tappet 14 is similar in construction and operation to the tappets 5, except that its efiect upon the axle 6 is to rotate the same in a reverse direction. The returning-lever 13 is also similar in construction and operation to the keys 1, except that it is rigidly secured to and operated by the bar 2, which forms the key-fulcrum.
The hammer 15 of the returning-lever approaches its tappet 14 in a direction opposite to the direction of approach of the hammers 4 to their tappets 5. The parts are so constructed and assembled that when the keys 1 approach said tappets 5 the lever 13 recedes from and releases the tappet 14, thereby permitting the rotation of the axle 6.
It is necessary that the axle 6 and settingwheel 11 return to their initial position after each character is set up that is, after the operation of each and every one of the keys 1. This returning of the axle 6 is accomplished by means of a yoke, which consists of the yoke-bar 16, carried at the extremities of the yoke-arms 17 17 Said arms are rigidly secured to the fulcrum-bar 2, and the yoke-bar 16 extends transversely to the keys 1 in proximity thereto in such a manner that the motion of any one of said keys in a direction to operate the tappets 5 Will move said bar 16 and cause the rotation of said fulcrum-bar 2. As the yoke-bar 16 and figure-keys 1 are pivoted upon the same axis, there will be no sliding action of said bar upon said keys, friction between the parts being thereby substantially eliminated.
A spring 18 .is attached to each one of the keys 1, so that said keys tend to assume and A spring 19 is also attached to one or both of the yoke: arms 17 so as to cause the yoke to return to its initial position, thereby causing the returning-lever 13 to actuate the returning-tappet 1 1 and bring the setting-wheel 11 back to the initial position thereof. Said springs 18 and 19 are also attached to the bars 18 and 19, respectively, which latter are fixed at their extremities in the frame or casing of the machine.
The indicators and. related pm'ts.The fixed shaft 20 extends in a direction parallel to the axle 6 and fulcrum-bar 2 and forms a support for the indicators 12. Said indicators are loosely mounted, so as to be revoluble independently of each other upon the sleeve '21 of the indicator-carriage, as best shown in Figs. 7, 8, 9, 10, 19, and 20. The
indicators consist of disks or wheels having.
tion is cut away, so that the face or width of" the teeth is slightly less than half the width of the indicator, while the face or width of the teeth of the setting-wheel 11 is approximately equalto the width ofthe indicatorteeth. By this construction when the indicators are translatedthat is, shifted laterally-the setting-wheel 11 may become unmeshed from an indicator and occupy a position between two adjacent indicators without interference with the same. The remainder of the periphery of the disk is equally divided into two portions, upon one of which is marked the figures 0 to 9 for indicating to the operator the figure set up. The last portion of the disk is provided with type forming the figures 0 to 9, which are adapted to print upon paper in any suitable manner. Aform of printing device is indicated in Fig. 1 of the drawings, wherein 22 represents a roll of paper which is led over the type above mentioned and pressed upon the proper type-figure at the proper time by means of a pressing device 23.
The indicators 12 are subject to two motions one of rotation,due to the setting-wheel 11, and the other of translation, due to the lateral shifting of the carriage. It is the translation of the carriage consequent upon the action of the escapement that brings the indicators successively into engagement with the setting-wheel 11 and gives the place value to thefigures set up.
The indicator-carriage consists of the sleeve 21, shiftable longitudinally upon the shaft 20, above mentioned, and has the side arms 24 24:, which extend in the same direction from said sleeve and are located at such a distance apart as to hold the indicators 12 in close proximity to each other without preventing the free and independent rotation of said indicators. In order to prevent the rotation of the indicator-carriage about the shaft 20, the outer extremities of said side arms 24 are constructed to slide upon the fixed guide-bar 25. It is important that the rotation of the indicators 12 be confined within definite limits, and as a suitable means of limiting such a rotation the said indicators are provided with an aperture 26, as best shown in Figs. 1 and 7. The fixed guide-bar 25v extends through said apertures 26 and serves as a stop for said indicators when the portions 27 and 28 at the upper and lower extremities, respectively, of said apertures are rotated into contact with said bar. The translation of the carriage is effected by means of the spiral compression-spring 24, which encircles the guide-bar 25 and abuts at one extremity against the side framework or casing of the machine and at the other against the adjacent one of the side arms 24 of the.
indicator-carriage, thus tending to move said carriage toward the leftthat is, in the direction of the arrows, Figs. 10 and 20. The movement of the carriage toward the left is permitted at the proper times by the operation of the carriage-escapement, which consists of the ratchet 29, held by the pawl or pallet 30. Said ratchet 29 is rigidly secured to the indicator-carriage and is provided with teeth 31, as shown in detail in Figs. 27, 28, and 29. The working faces of said teeth are set toward the left, or in the direction of the travel of the carriage, while said pawl 30 is provided with two teeth 32, whose working faces are opposed to the faces of said ratchetteeth 31. Said pawl-teeth are located in different planes one above the other and at such a distance apart in a horizontal direction that when said pawl is rotated in one direction about the shaft 33 one of said pawl-teeth is released from the contiguous ratchet-tooth 31, permitting the ratchet to escape the detaining-tooth of the pawl. The rotation of the pawl, however, causes the second one of the pawl-teeth 32 to engage one of the ratchetteeth 31 after the ratchet 29 has moved a half-step toward the leftthat is to say, a distance equal to half the distance between the ratchet-teeth 31.
In order to permit the return of the carriage for resetting, the'pawl 30 is pivotally mounted in the pawl-box 34 in such a manneras to be withdrawn from the path of the rackteeth when the ratchet 29 is retracted, as shown in Fig. 28. Said pawl is pivoted upon the pin 35 in said pawl-box and tends to return to its normal position by reason of the spring 36, attached to said pin. The pawlbox 34 is supported by and rigidly secured to the rock shaft 33 above mentioned. The mechanism for rotating said rock-shaft 33 is best shown in Figs. 5, 9, and 10 of the drawing, wherein 37 represents a rocking arm, one extremity whereof is rigidly secured to said rock-shaft. The other extremity of said arm carries a projecting pin 38, adapted to be engaged by the hooks 39 39, formed at the free extremity of the escapement-lever 40.
The lower extremity of the lever 40 is rigidly secured to the fulcrum-bar 2, thereby receiving a rocking or vibratory motion when any of the keys 1 is struck and the said bar 2 rotated. It is evident that a complete stroke of the arm 37 in one direction permits the escapemen t of the indicator-carriage one halfstep toward the left, while a complete stroke of said arm inthe return direction permits the escapement of the carriage a second halfstep toward the left. The hooks or prongs 39 are so constructed and the lever 40 is so set upon the bar 2 that said hooks engage the pin 38 only toward the end of the stroke of the said lever 40. The purpose of such construction is that the first half-step of the escapement or translation of the carriage may take place after the rotation of the indicator has been accomplished by the setting-wheel 11 and that lows: First, the setting-wheel 11 is in engagement with one of the indicators 12 and rotates said indicator the proper distance from the initial position, at the same time positively looking it; second, by the operation of the escapement the carriage and indicator are translated one half-step to the left, which motion releases the indicator from the setting-wheel; third, the setting-wheel is rotated backward to its initial position and positively locked; fourth, the indicator-carriage is translated a second half step toward the left, thereby bringing the next one of the indicators 12 into engagement with the setting-wheel 11.
l/Vhen the indicator-carriage has completed its travel toward the left, it is returned to its initial position by the carriage-shifting mechanism, consisting of a series of levers actuated by a cam 41, rigidly set upon the operatingaxle 42, as shown in Figs. 19, 20, and 21. The shifting lever 43 is rigidly secured at one extremity to the shaft 44 and at its free extremity is adapted to work against a convenient portion of the escapement-ratchet 29. Said shaft, which is pivotally supported in the bearings 44, extends to a point near the axle 42 and is provided with an arm 45, extending substantially at right angles to said shaft. At its free extremity said arm carries africtionroller 46 for working upon said cam 41. The parts are so assembled that when the cam 41 operates upon the roller 46 the arm causes the shaft 44 to rotate in such a direction that the arm 43 forces the carriage to its original position.
It is evident that not every indicator is used for every number set, a number having three figures using but three indicators, and so on, and the total number of indicators determining the greatest number of figures that may be set at one time that is to say, in any one horizontal line. For convenience of description those of the indicators 12 which have been operated upon by setting-wheel 11 in the setting of any number will be referred to as active indicators, while the remaining ones thereof will be referred to as reserve indicators.
In order that all of the indicators shall be Ioo in the zero position when coming into engagement with the setting-wheel 11 at the zero position, the reserve indicators are prevented from rotating by a fixed lockingbar 47. (Shown in Figs. 1, 7, 8, and 20.) Said bar 47 does not extend completely to a point opposite the setting-wheel, for the reason that the indicator which at any time is in engagement with said setting-wheel is suitably'controlled by the latter.
A movable locking-bar 48 is provided for maintaining the active indicators in the position to which they have been brought by the setting-wheel. Said bar 48 is of such extent as to receive and lock the active indicators immediately upon the translation of said indicators from the setting-wheel. Said bar48 is hung by means of arms 49 49, rigidly attached to the shaft 50 in such a manner that the rocking of said shaft moves said bar into and out of engagement with the teeth of the indicators 12. Said shaft 50 is supported at its extremities in the side frames of the machine, as shown in Fig. 2. The indicators are released only when the indicators are to be reset to the Zero position, as will hereinafter more fully appear.
' The rocking of the shaft 50 is accomplished by means of the arm 51, which is rigidly set upon said shaft 50 at one extremity and at the other bifurcates, so as to form the prongs 52 and 52. (Shown in detail in Fig. 41.) Said prongs inclose the cam 53, set upon the operating-axle 42. The rotation of said cam, the construction whereof is explained below, imparts a reciprocating motion to the pronged extremity of said arm 51, which is transformed into the swinging motion of the locking-bar 48.
The operating-axle 42 above mentioned is encircled by and may rotate the operatingsleeve 54. (Best shown in Figs. 43, 47, and 48.) Said axle 42 extends, preferably, across the machine and is rotated by means of the handle 55 or in any other suitable manner. As will hereinafter appear, when a number has been incorrectly set upon the indicators the indicators and indicator-carriage may be replaced in their initial position without affecting the previously-obtained total by op erating the axle 42 without operating the said sleeve 54. The independent or the simultaneous rotation of said parts 42 and 54 is governed by the clutch 56, which is so constructed that when said clutch is set the parts 42 and 54 rotate together, but when the clutch is released the axle 42 rotates without affecting said sleeve 54. The precise construction of said clutch will be referred to in connection with the cams and other cycle-completing parts operated by said handle 55.
The erasing 0r resetting mechanism. After the indicators 12 have been rotated to various positions consequent upon the setting up of all be returned to their initial or zero position preparatory to setting up another number by means of the erasing or resetting mechanism, which comprises a bar 57, supported at its extremities and suspended from the shaft 20 by means of the arms 58 58. Said arms are rigidly secured to said shaft at such a distance apart as to permit the travel of the indicator-carriage, and preferably in such positions as to form stops to confine said travel within the proper limits.
The bar 57 extends through the apertures 26 in the indicators 12 and is adapted to come into contact with the portions 27 and 28 at the extremities of said apertures. During the setting up of a number the erasing-bar 57 oocupies a position adjacent to the carriage guide-bar 25, so as not to interfere with the rotation of the indicators; but when a number is to be erased the rotation of the shaft 20 in the proper direction raises the erasing-bar 57, thereby bringing said bar into contact with the upper portions 27 of said indicators. This rotates said indicators toward the zero position until further motion is prevented by the portions 28 of the indicators coming into contact with the guide-bar 25, at which time the indicators regain the zero position.
The rotation of the shaft 20 for resetting the indicators is accomplished by actuating devices. (Best shown in Figs. 7 and 8.) The link 59 is pivotally connected at one extremity to one of the arms 58 at a point removed a suitable distance from the center of the shaft 20. The other extremity of said link 59 is pivotally connected to the upper extremity of the lever 60, said lever having the prongs 61 and 61" at its lower extremity operated by the cam 62. Said lever is supported between its extremities by means of the fulcrum 63, which latter is mounted in the bracket 63, secured to the rear wall of the casing of the machine. The cam 62 is rigidly set upon the operating-axle 42, and the parts are so related that the rotation of the cam 62 causes the proper movement of the erasing-bar 57, as above mentioned and more fully described hereinafter.
T 710 registers and related 1960/ 258. The registers 64 consist of disks of similar configuration and size mounted side by side upon the shaft 65, so as to rotate thereon independently of each other. The width of the said registers is equal to the width of the indicators 12. The teeth 66 of the registers are for the purpose of engaging the teeth of the indicators 12 and occupy a portion only of the width of said registers, the remaining cylindrical portion 67 having marked thereon the figures O to 9 in one or more series for registering the totals in the manner usual in such machines. Said teeth 66 are some multiple of ten in number and occupy a position 'upon the right of the register when looking direction of the arrow, Fig. 2.
The points of the teeth 66 preferably-do not project beyond the cylindrical portion 67 of the registers, but are substantially flush with the same. As shown in detail in Figs. 30 and 31,the tens-carrying teeth 68 are formed at one or more points in the cylindrical portion 67 of the registers for the purpose hereinafter described. The'point at which said teeth are located corresponds to a Zero-point on the register, there being as many sets of teeth 68 as there are series of figures upon the register. Said teeth 68 are formed at the left portion of the register and preferably project slightly beyond the cylindrical face thereof.
The rocking frame, which constitutes the mountings for the registers, is best shown in Figs. 1, 22, 23, and 38. Said frame consists of the side bars 69 69, which support the register-shaft and are pivoted on the rockingframe fulcrum 7 O. Said fulcrum 70 consists of a shaft having a fixed position in the machine, but revoluble upon its own axis. In order to stiffen the frame, said bars 69 are also connected by the cross-rod 71. One of said bars 69 has an extending arm 72, forming a lever for rocking said frame upon the fulcrum 70. Said lever is operated by a cam 73, which works within the prongs 74: and 7 4?, formed upon said lever. Said cam is rigidly set upon and rotated by the operatingsleeve 54, as described in connection with the cycle-completing mechanism hereinafter.
The parts are so related that when the rear pronged extremity of the lever 72 is depressed by said cam the bars 69 are rocked about the fulcrum 70, thereby bringing the registers 64 into mesh with the indicators 12. Said registers are brought into mesh with said indicators only when a number is to be transferred from the indicators to the registers. Except during the carrying of the tens each of the registers when out of mesh with the indicators is locked in position by a lockinglever 75, pivoted upon the fulcrum 76. Said fulcrum 76 is supported at one extremity by the standard 7 6*, rising from the bottom of the machine, near the central portion thereof, and said fulcrum is fixed at its other extremity in the adjacent side wall of the machine, as shown in Fig. 23. Each of the levers 75 is operated by a cam 77, which is loosely mounted upon the shaft 78 and forms a component part of the tens-storing wheel 79 hereinafter described. Said shaft 78 is fixed at its extremities in the side bars 69 of the rocking frame. Said locking-levers are provided with working surfaces 7 5, upon which the cams 77 operate, as shown in Fig. 38. Said surfaces 75" are so formed that when the registers are out of mesh with the indicators and the cams 77 are in their normal posit-ion (which they occupy at all times except during levers.
the carrying of the tens) said surfaces 7 5 are concentric with the fulcrum 70. Now as the shaft 76 is stationary and as the rocking motion of the rocking frame causes the cams 77 to move in a path co'ncentriewith the shaft 70 and, moreover, as the surfaces 7 5 of the locking-levers are also concentric with said shaft 7 0 it follows that unless the cams 77 are rotated upon their own axis 78 the rocking motion of the rocking frame will have no effect upon said locking-levers 75 to move the same. Therefore said locking-levers remain stationary at all times independently of the position of the rocking frame, and said levers move only when during the carrying of the tens the cams 77 rotate individually upon the shaft 78. By this construction the locking-levers become virtually stationary and the moving of the registers 64: into mesh with the indicators 12 results in the moving of said registers away from and out of mesh with said locking In other words, when the registers are in mesh with the indicators they are not in mesh with said lockingdvers, the purpose in making the locking-levers movable being to provide means for permitting the carrying of the tens.
When the registers are moved by the rocking frame toward the indicators, one or more of said registers are engaged by a corresponding number of indicators, depending on the lateral position of said indicators. In order to prevent the rotation of the remaining registers, there is provided a register-retaining bar or rack 80. Saidbar or rack has a motion corresponding to the motion of translation of the indicator-carriage, so as to engage only such of the registers as are not engaged by the indicators, said bar or rack preferably forming a component part of said carriage.
The zfmscmWy iwg wwchcmwm-By tenscarrying mechanism is signified the correlated devices whereby at the proper time a ten upon any given register is transferred so as to register a unit upon the next higher register. In the present machine the simple transferring of figures from the indicators 12 to the registers 64: occurs simultaneously, and to get a correct total it is necessary that the tens which have been completed on any one register shall be subsequently transferred to the next higher register.
In the carrying of the tens the registers are actuated by the tens-storing wheels 79, (shown in detail in Figs. 15 to 18,) said wheels being in turn actuated by the carrying-disk 81. In the preferred construction the tens-storing wheel 79 consists of three portions or parts 77, 82, and 83, which may be formed separately and subsequently brazed or otherwise secured together or may be constructed of a single piece. For convenience of description the said parts are shown separately, Fig. 17 representing the cam 77 above described, and Figs. 15 and 16 representing the parts 82 and 83, respectively. Said part 82 consists of a toothed wheel mutilated by having a portion of the teeth thereof cut away, the remaining teeth being adjacent and preferably two in number. Said part 83 consists of an arm projecting beyond the point circle of the wheel 82 and extending in a different direction from the teeth of said wheel.
A suitable construction of the tens-storing wheel as assembled is shown from the side in Fig. 18, said figure showing a mutilated fivetoothed wheel having but two teeth remaining and the arm 83 extending on a radius angularly advanced from one of said teeth approximately three-tenths of a circumference. The assembled wheel 79 is shown in top or plan view in Fig. 30, the mutilated gear being interposed between the cam 77 and arm 83. The relation of the parts is such, however, that the lever 75, operated by the cam 77, operates upon the same register as does the arm 83 of the storing-wheel, the periods of operation being such that the lever 7 5 is released from any given register only while the said arm 83 is rotating such register, as will hereinafter appear. The storing-wheel is so located with respect to the registers 64 that the teeth of the mutilated gear 82 may mesh with the teeth 68 of said register and may also make contact with the surface. 67 thereof. The arm 83 is so located as to engage the teeth 66 on the next higher register.
The tens-storing wheels are loosely mounted upon the shaft 78, so as to rotate independently thereon, and the distance between the curved surface 67 of the register M and the axis of the tens-storing wheels 79 is less than the radius of the point-circle of the gear-wheel 82. By this construction the teeth of the said part 82 abut against said surface 67 and prevent the rotation of said tens-storing wheel.
The arm 83 extends in such a direction and is of such length as not to interfere with the registers 64: when the teeth of the part 82 are locked between said registers and. the carrying-disks 81, the relation of the parts being indicated in Fig. 36.
The tens-carrying disks 81 above mentioned are rigidly set upon the axle and are provided with teeth 84 for gearing with the toothed part 82 of the tens-storing wheels 7 9.
The teeth 84L do not occupy the full circumference of said disks, and the remaining portion 85 of the circumference is a curved surface of revolution, preferably cylindrical. Said curved surface 85 approaches the axis of the tens-storing wheel 79 to within adistance less than the radius of the point-circle of the part 82 of said wheel, thereby preventing the rotation of said wheel when said curved surface is in conjunction with the teeth thereof, but rotating said wheel when the teeth 84 are in mesh with the teeth upon the part 82.
Located preferably upon the side of the disk 81, but in such a position as to engage the arm 83 of the storing-wheel, is the arm or lug 86, so placed as to occupy a position in front of the teeth 84 with respect to the direction of rotation of said disk 81. The purpose of the arm 86 is to insure the engagement of the teeth 84 with the teeth of the part 82 of the storing-wheel 79.
The registers 64:, tens-storing wheels 79, and the disks 81 are so constructed and placed that said wheel 79 is locked by the curved surfaces of the said adjacent members; but if the teeth 68 of the register engage the said storingwheel the-latter is rotated to such a position as to'be engaged by the teeth 8 k and arm 86 of said disk 81'. Moreover, the rotation of said storing-wheel 79 by said disk 81 causes the said arm 86 to rotate the next higher register one figure, thereby carrying the ten.
The carrying-disks 81 are arranged in a series upon the axle 7 O and constitute the carrying-drum of the machine. The teeth 84: are so set in the carrying-drum as to constitute a helix or screw, thereby causing the rotation of the tens-storing wheels 79 sew imam, so as to carry from units place first, highest place last. The gear-wheel 87 is rigidly fixed on the axle 7 O and is driven by the gear-wheel 88. (Shown in Fig. 26.) Part of the teeth upon the peripheries of each of said wheels is substituted by a cylindrical portion, the cylindrical portion 89 upon the wheel 87 being concave and locking upon the convex cylindrical portion 90 upon the wheel 88. As a result, the wheel 87 is locked during a portion of the period of rotation of the wheel 88. Said wheel 88 is driven by a train of gearwheels 91 91. (Shown in Figs. 2, 43, 4A, and One of said gears is concentric with and fixed to said wheel 88, and a second thereof is concentric with and driven by the operating-sleeve 5a. The intermediate one of the gear-wheels 91 is loosely mounted upon the stud-shaft 91, fixed in the adjacent side wall of the machine. mounted upon the stud-shaft 88.
The framework of the machine is constructed in any suitable form and manner. In the framework shown in Figs. 1 and 2 of the drawings 92 forms the bottom and 93 93 the sides of the machine. The front 94 is provided with an aperture 95 for the passage of the sheet upon which has been printed the numbers set. The sight- orifices 96 and 97 are also provided for permitting the figures upon the indicators and registers, respectively, to be read. 98 represents the back or rear wall of the machine.
I will now refer to the cycle-completing mechanism, which comprises the shaft &2 and parts mounted thereon. As before stated, it is necessary sometimes to erase a number from the indicators without transferring it to the registers, and for this purpose the sleeve 54: is provided and so constructed that the parts directly concerned in said transferring may Said wheel 88 is similarly remain stationary while the other resetting and cycle-completing parts are operated. The parts directly concerned in said transferring or adding are the tens-carrying devices and the rocking frame. Said sleeve 54 therefore carries the driving gear-wheel 91, which actuates the carrying-disks, and said sleeve also carries the cam 73, which actuates the rocking frame. Said sleeve, which is best shown in Figs. 43, 47, and 48, is loose upon the axle 42, but is prevented from lateral motion thereon by means of the screw-pin 99, which is fixed in said sleeve and projects into the slot 100, out circumferentially in the axle 42, as shown in Fig. 48. Said pin fits loosely in said slot, so as not to prevent the independent rotation of the sleeve 54 and axle 42. Integral with said sleeve at the extremity thereof is the disk 101 of the clutch 56, above mentioned. Said disk is provided with a notch or slot 102 for receiving the corresponding projection 103 upon the second clutch-disk 104. Said disk 104 is loose upon the axle 42, but is prevented from rotating thereon by means of the spline 105. (Shown in Figs. 46 and 47.) The disk 104 is circumferentially grooved to receive the shifting collar 106, which has a slotted link-and-pin connection with the shifting yoke 107. The bracket 108, secured to the rear wall 98, forms a support for the shifting lever 109, which is integral with said yoke and is pivoted so as to effect the horizontal motion thereof.
The yoke 107 has a branch 110, adapted to engage the notched periphery of the disk 101 when the disk 104 is out of engagement therewith. By means of said branch the sleeve 54 is prevented from rotating when the clutch is released. The lever 109 projects through a slot in the rear wall 98 and terminates in a handle 111. A spring 112 is attached to the lever 109 and to the wall 98 in such amanner as to normally keep the clutch in aset positionthat is, with the disks 101 and 104 in engagement.
Under normal conditions the first action of the cycle-completing mechanism is to cause the rocking frame to move the registers 64 into mesh with the indicators 12. This is accomplished by lowering the rear extremity of the arm 72 by means of the cam 73. (Shown in detail in Fig. 39.) Said cam for greater accuracy comprises two working parts, each provided with separate working surfaces, the
part 113 actuating the .prong 74 and the part 114 actuating the prong 74.
In Figs. 39 to 42, inclusive, the pointer X, traveling upon the reference-circle Y, indicates the angular progress ofthe axle 42 from its initial position. The cam 73 is so constructed that the arm 72 commences to lower immediately upon the commencement of the rotation of the shaft 42 and reaches its lowest position at the end of thirty degrees of rotation. The said cam holds said arm in the low such raising at the end of the first thirty degrees of rotation of the shaft 42. By the time said bar is removed said axle has rotated sixty-five degrees. The erasing-bar 57 must next be operated to return the now free indicators to their initial position, and this operation is accomplished by moving the lower extremity of the lever 60 toward the rear. Said motion of the lever 60 is effected by the cam 62 (shown in Fig. 42) and commences after the axle 42 has rotated sixty-five degrees. The construction of the cam 62 is analogous to that of the cams 73 and 52, the parts 117 and 118 operating upon the prongs 61 and 61, respectively. Said parts are so proportioned that an additional rotation of the axle 42 through fifty degrees causes the indicators to reach their initial position and subsequently causes the erasing-bar 57 to return. The axle 42 has now rotated one hundred and fifteen degrees, and the cams 73 and 53 operate, respectively, to lower the rocking frame and return the locking-bar 48. These return motions are accomplished in a further rotation of ten degrees. The cam 41 now commences to lower the roller 46 and arm 45, thereby causing the indicator-carriage to be moved toward the right into the initial position, the resetting being accomplished in one hundred and twenty-five degrees or at any period within the complete rotationof the axle 42.
IOO
The gears for driving the fulcrum-shaft 70 i are so timed as to rotate said shaft subsequently to the first one hundred and twentyfive degrees of rotation of the axle 42.
Operation: WVhen any of the figure-keys 1 is struck, the hammers 4 thereon strike the corresponding tappet 5 and thereby cause the rotation of the axle 6 and setting-wheel 11 through an arc corresponding to the key struck, the construction of the hammer and tappet locking the setting-wheel in position. The striking of the key moves the yoke-bar 16 and shaft 2. and this in turn withdraws the returning-lever 13 from the returningtappet 14, thereby unlocking said tappet and permitting the axle 6 to be rotated. Toward the end of the first or positive stroke of the figure-key the escapement-arm 40 engages the rocking-arm 37, so as to move the pawl 30 and permit the escapement of the indicatorcarriage one-half step. The setting-wheelll when being rotated in a forward or positive direction is in such mesh with one of the indicators 12; but 'the half-step escapement of ting-wheel 1 1.
the carriage translates the indicators so that said setting-wheel becomes out of mesh therewith and occupies a position between two adjacent indicators. The second or return stroke of the key struck withdraws the hammer L from its tappet 5, thereby unlocking the set- As the yoke-bar 16 is now free to return, the force of the spring 19 causes the yoke to move the returning-lever 13 so as to operate the returning-tappet let and bring the setting-wheel back to a Zero position and lock the same in such position. The return stroke of the yoke operates the carriage-escapement similarly to the manner described and permits the carriage to be moved a second half-step, thereby bringing the next indicator into mesh with the setting wheel 11. This completes the cycle dependent upon the motion of the figurekeys 1. The indicators when not engaged by the setting-wheel 11 are locked by the fixed bar 47 and movable bar 18, the latter engaging the active indicators. WVhen a number is to be added or transferred from the indicators 12 to the registers 64, the latter are moved by means of the bars 69 of the rocking frame into mesh with said indicators. Said motion of the registers releases the same from the locking-levers 75, which remain stationary during the transferring of the number. After the indicators and registers are in engagement the further rotation of the operating-axle 12 causes the erasing-bar 57 to reset the indicators to the zero position. This erasing or resetting of the indicators causes the rotation of the registers, and thereby transfers the number thereto from said indicators. The registers are then disengaged from theindicators and returned by the rocking frame to the original position, where they are locked by the levers 75. In the transferring of the number to the registers it is possible that one or more of said registers have been rotated past a zeropoint that is, past a series of figures-.-a ten being thereby completed, which must be transferred or carried as a unit onto the next higher register. This carrying is accomplished by the rotation of the operating-sleeve 54, which drives the axle of the tens-carrying drum. Such of the registers as have completed a ten have by means of the teeth 68 rotated the tensstoring wheel '79 from the locked position shown in Figs. 32 and 33 to the position shown in Fig. 8 1, said last-mentioned position being such that the arm 83 of the tens-storing wheel will be engaged by the arm 86 of the disk 81 when the latter is rotated. The rotating of the arm 83 by the arm 86 throws the teeth of the part 82 into mesh with the teeth 8 1 of said carrying-disk, thereby causing said tens-storing wheel 79 to be still further rotated until the storing-wheel again assumes the original position and becomes locked therein between the register and disk. These last two steps are illustrated in Figs. 34: and 35. The last of the above-described steps in the operation of the storing-wheel causes the arm 83 to retate the next higherregister one figure, which completes the carrying of the ten. Subsequent rotations of the carrying-disk 81 wil have no effect upon the storing-wheel 79 un til the register 6% has first completed another ten and again started the rotation of said wheel. The rotation of the cam 77 of the storing-wheel causes the lever 7 5 to momentarily release the higher register while the arm 83 is actuating the same. The resetting of the indicator-carriage takes place at any suitable time between the setting up of two consecutive numbers and results from the retation of the operating-axle 42.
As it may be desirable to reset a number without transferring it to the registers, the carriage resetting mechanism, the erasing mechanism, and the locking-bar 18 maybe operated without disturbing the tens-carrying mechanism and registers by releasing the clutch 56, so that the operating-axle 42 shall rotate without rotating the operating-sleeve 54:. In general, however, the clutch 56 will be set so that both axle and sleeve will rotate together, and a single rotation of the handle 55 will add the number on the indicators to the number previously shown on the registers and at the same time reset all parts in readiness for setting up a new number.
Although I have described my machine in its preferable form, it is evident that details of construction may be greatly varied without departing from my invention. For example, the rotation of the shaft 6 may be transmitted to the indicators 12 by means of a reciprocating member or rack in lieu of the rotating setting-wheel 11. The printing device and the connections between the operating-axle and the parts actuated thereby may also be subject to great modification and still embody the spirit of my present invention.
What I claim as new, and desire to secure by Letters Patent, is
1. In a calculating-machine, the combination of a member revoluble about a fixed axis, and a second member for actuating the same, one of said members having a working surface and the other of said members having a portion for working against said surface; said members when in conjunction, i'naking sliding contact at points on said revoluble member on opposite sides of a line passing through the axis thereof at right angles to a line joining the extreme points of contact of said members, whereby said revoluble member is locked when said parts are in conjunction, but said actuating member is free to move in either direction.
2. In a calculating-machine, the combination of a revoluble tappet having parts lying on opposite sides of the axis of rotation there-
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2427271A (en) * 1947-09-09 Multiplier correction mechanism
US2873610A (en) * 1954-12-15 1959-02-17 Sylvania Electric Prod Tuner and control
US2945622A (en) * 1955-02-11 1960-07-19 Precisia A G Ten-keys key board for calculating machines

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2427271A (en) * 1947-09-09 Multiplier correction mechanism
US2873610A (en) * 1954-12-15 1959-02-17 Sylvania Electric Prod Tuner and control
US2945622A (en) * 1955-02-11 1960-07-19 Precisia A G Ten-keys key board for calculating machines

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