US1858397A - Fornia - Google Patents

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US1858397A
US1858397A US1858397DA US1858397A US 1858397 A US1858397 A US 1858397A US 1858397D A US1858397D A US 1858397DA US 1858397 A US1858397 A US 1858397A
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shaft
zero
register
actuator
clutch
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    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06MCOUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M1/00Design features of general application
    • G06M1/28Design features of general application for zeroising or setting to a particular value
    • G06M1/283Design features of general application for zeroising or setting to a particular value with drums
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06CDIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C15/00Computing mechanisms; Actuating devices therefor
    • G06C15/42Devices for resetting to zero or other datum

Description

May 17, 1932. C, M, F, FRlDEN 1,858,397
y GALCULATING MACHINE Filed June 1. 1me 4 sheets-sheet 1 May 17, 1932. c. M. F. FRlDEN CALCULATING -MACHINE 4Sheets-Srl1eet 2 Filed June 1. 1926 INVENTOR Br Qarj/ M. ICT/Piden M l /Wz l "runners May 17, 1932.
C. M. F. FRIDEN CALGULATING MACHINE Filed June 1, 192e 4 Sheets-Sheet 5 May 17, 1932. c. M. F. FRIDEN CALCULATING MACHINE 4 Sheets-Sheet 4 den v/leaf' L Arran/1ers Filed June 1, 1926 Patented May 17, 1 932 UNITED STATES PATENT OFFICE vCARL I. FBIDEN, F OAKLAND, CALIFORNIA, ASSIGNOB TO HARCHANT CALCULAT- ING MACHINE COMPANY, 0F EHERYVILLE, CALIFORNIA, A CORPORATION OF CALI- FORNIA CALCULATING MACHINE Application nled June l, 1826. Serial No. 112,757.
lsters displays the multiplier and the other register displays the product. At the end of a calculating operation, the registers are usually cleared or reset to zMero, and heretofore this has been accomplished b rotation of hand cranks associated with t e respective registers. In accordance with my invention I have provided motor driven means for resetting the registers to zero. The zero resetting means are controlled by keys so that by a single manual stroke, one or both of the registers ma be reset to zero.
It is an o ject of my invention therefore to provide a calculating machine with motor driven zero resetting devices for the ,various re 'sters -of these machines. It is a further oiect'to provide control means for the zero resetting devices, so that these devices may be thrown into operationl by a single manual stroke.
The machine of 'my invention also embodies actuator control keys which are operated by a single manual stroke to determine the duration of operation of the actuator and its direction of movement. These control keys are operated by a single manual stroke time that the actuator is in operation and that the actuator be withheld from operation during the time that the Zero resetting devices arel in operation. It is therefore another object of my invention to provide interconnection between the actuator control means and the zero resetting'devices control means so that the actuator andthe zero re'- setting devices may not be placed in opera- .tion at the same time.
The machine shown in the accompanying drawings is of the keyboard type, in which the values are introduced into the machine by the depression of keys. The depression of a key, introduces a value corresponding to the numeral on the key, into a rotatable actuator within the machine, rotation of the actuator being effected to accomplish the calculating operation. The values introduced into the actuator, are transmitted, on rotation of the actuator, to the figure` discs of a register or counting mechanism, which, for the purpose of makingdirect action of the selected values on the figure discs of highest value lpossible, is disposed in parallel displacca ator. The longitudinally displaceable register, which, in problems of multiplication,
le relation to the axis of the actu-V is the product register, is provided with a zero resetting dev1ce and o ne of the objects of the present invention is to provide means for connecting the motor to the zero resetting device of this register, for all displaced positions ofthe register.
Another ob]ect of the invention is to congregate or assemble the control keys of the machine so that they may be operated by one hand of the operator, with a minimum of movement, thereby relieving the strain and fatigue of the operator.
Another object of the invention is to pro-` vide a motor driven calculating machine in which the operation of the actuator and the zero resetting devices of the register is controlled by depressible keys, a single manual stroke serving to throw the associated mechanism into operation.
The invention possesses man other advantageous features, some of W ich, with the foregoing, will be set forth at len th in the following description, where I sha1 outline in full, that form of the invention whichI have selected for illustration in the drawings accompanying and forming part of the present specification. In said drawings I have shown one embodiment of my invention, but it is to be understood that I do not limit myself to such form, since the invention, as
` position.
set forth in the claims, may be embodied in a plurality of forms. The invention is herein disclosed in its preferred form as embodied in a calculating machine such as is shown in my prior Patent No. 1,643,710 issued Septembe1'27, 1927, to which reference is made for a disclosure of the complete machine.
It is manifest that the invention disclosed in this application may be combined with any suitable form of calculating mechanism. In tne accompanying drawings I have shown the invention embodied in a calculating machine comprising a countin mechanism actuating device consisting cfg a reversible rotatable actuator in which the values to be calculated are introduced, but it is to be understood that the invention is not limited to use in connection witha calculating machine having a counting mechanism actuating device of this character or to a machine having a reversible rotatable actuator for performing the calculating operation. Further, in the machine shown in the drawings, the values are entered into the actuator by means of a plurality of depressible keys, but it is to be understood that other suitable or well known means may be employed for introducing the values into the device. It is preferable however, to embody the invention in a keyboard calculating machine wherein the values are introduced int-o the machine by the depresslon of keys. The calculating machine shown in the accompanying drawings is of the true rotary type, embodying a rotatable actuator of the reversible cycle type which is rotated from neutral or full cycle position thru a complete cycle in either direction to perform a calculating operation. The actuator is rotated from full cycle position thru one or 'more cycles of 360 degrees in either direction and is stopped at full cycle The counting mechanism or register is arranged on a carriage, normally stationary with respectto the actuator and displaceable longitudinally to make direct action of the actuator on the various figure discs of the register possible. The actuator is rotated by an electric motor. suitable means being employed for stopping the actuator in full cycle position, and a reversing gear is interposed between the actuator and the motor to permit rotation of the actuator in either direction.4
Referring to said drawings. in which only that portion of the calculating machine is shown which enters into cooperative relation with the present invention,
Fig. 1 is a plan view, partly in section, of the right hand portion of the machine. the casing being removed to disclose the interior mechanism and portions of the machine being broken away to reduce the size of the figure.`
Fig. 2 is a vertical section taken on the line 2-2 of Fig. 1 showing the telescopic driving thru the machine showing the means for controlling the rotation and the direction of rotation of the actuator.
Fig. 7 is an end elevation of the carriage.
Fig. 8 is a vertical section thru the carriage, taken on the line 8 8 of Fig. v1, and in the opposite direction to the elevation in Fig. 7 and showing the product register and its zero resetting device.
Fig. 9 is a vertical longltudinal section` thru the machine showing the keys for predetermining the number of cycles of operation of the actuator and the connection between these keys and the rotation controlling mechanism of the actuator.
Fig. 10 is a section thru the actuator controlling clutch.
The calculatin machine shown in the drawings, and which embodies the present invention, comprises a suitable base 22, having side plates 23, 24, between which the selecting, counting and controlling mechanism devices are arranged. These devices include a register arranged on a longitudinally displaceable carriage, a register actuator, which upon rotation in either direction, causes the values entered therein to become effective in operating the register, keys for entering the selected values into the actuator,
keys for determining the duration and direction of rotation of the actuator, a register for -disclosing the values entered into the actuator, a register for disclosing the calculations performed or being performed, zero resetting devices associated with such registers, means for operating and controlling the operation of the resetting devices and means interconnecting the zero resetting devices controlling means and the actuator controlling means. The machine comprises all of the elements necessary to quickly and accurately perform the operations of addition, subtraction, multiplication and division with e minimum of effort on -the part of the operator. The machine is provided with a cover plate disposed between the side plates and arranged on the cover plate, andpreferably toward the. left side thereof, are the banks of keys which form the keyboard for entering values into the actuator. In Fig. ,1, only four rows of numeral keys 25 are shown, but it is to be understood that the maand'one of the keysbeing chine may contain any suitable number' of rows of keys, usually nine'rows and each row usuallycontains4 ten keys, nine of the keys being nmnbered from 1 to 9 consecutively, a clearance key, depression, of this-key serving to release the depressed key in the row. The arrangement ofthe keys and their connection with the actuator is fully disclosed in my patent above identie l,"and since thisl feature of the machine forms no part of the present invention, it will not be described in det-ail herein.
Rotatably mounted in the machine between the side plate 23 and the/intermediateplate 26 is a reversible rotaryactuator 27 into which' the values are introduced by t-he 'depression'of the keys. Arranged in operative relation with the actuator 27 :is a product register28 which is arrangedin a longitudinallv displaceable carriage 29 mounted 'on the trackwayf31 extending across the machine. l y The construction of the actuator 1s disclosed in 'my prior-United States yPatents Numbers"1,476,198 and, 1,524,924, to which referenceis hereby made,'but other forms of actuators may be employed without departing from the presentinvention.
n lheprod uct register28 comprises a series of numeral wheels 32 arranged side by side in axial alinement, the spacing of thc respective wheels being the same as the spacing of thc toothed units of the actuator. Associated with each numeral wheel 32 is'a gear 33 which is in mesh with an intermediate gear 34 which is acted upon by the teeth of rthe actuator.
i The carriage 29 is longitudinally displaceable to bring various figure discs 32'into cooperative relation with the various toothed elements of the actuator to permit actuation of the actuator on the register in different numerical orders. The gears are secured l to the respectiveA numeral wheels 32 and the assembly is rotatable on the shaft 35, free rotation being prevented by the cscapelnent latch36, the latch-36 is held in engagement with the gear 33 fby thespring j37 seated in the rock shaft 38. When it is desired to reset the numeral Wheels A32 to zero. the shaft 38 is rocked away from the latchV 36, to relieve thc pressure of the spring 37 on the latch so that the latch is free to oscillate. Reset-tingof they numeral wheels to zero is accomplished `by rotation of thepsha ft 35, this vshaft containing means for returning the wheels to zero position. Seated in the shaft area plurality of spring pressed balls 39 there being one ball for each numeral wheel and the balls project slightly from the surface of the shaft. Each numeral wheel is provided on its inner periphery wit-h a tooth or p rojection 41 which, on rotation of the shaft 35 is engaged by the ball 39 causing the numeral wheel' to rotate with the shaft. The shaft 35 is normally held in zero position by a latch 42 engaging a notch in the disc 43 tion, thus stopping secured to the shaft The latch 42 is held in the notchby the spring 44 and the latch 1s secured to the shaft 38 so that the initial rotation of the shaft 35 rocks the latch 42' contacts with the inner end of the transfer" lever 45 when the wheel reaches Zero posithe wheel in this position and preventing (wert-hrow-due to momentum of the Wheel. The use ofthe -transfer lever to stop the numeral wheel in zero position is well known and requires no detail description herein,I beingr fully described in the prior patent to Johnston et al. N o. 1,764,959 issued June 17, 1930.
The zero resetting devices :ire operated by rotation of the shaft 35 and means under the control of a key are provided for rotating'this shaft, as will be set forth hereinafter. The machine is provided with a second register 51, which l have termed the multiplier register and which serves to register the etl'ective number of rotations of the actuator in various numerical orders. The register 51 is disposed between the side plate 24 and the intermediate plate 26 and is simi lar `in construction to the product register 28. This'register 51 comprises a plurality of axially alined numeral Wheels 52, mounted on the shaft 53 and provided with zero rcsetting devices comprising a v plurality of spring pressed balls 54 seating in and projecting from the shaft and the teeth 55, one on each numeral-Wheel. Each numeral wheel is provided on one side with a gear 56 which is in mesh with an intermediate gear 57 and is also provided on the other side with a projection adapted to contact with the inner end of the transfer lever 58 to stop the nu'- meral Wheelv in zero position. 'lhe gear 56 is constrained to move in a step by step movcment bythe spring pressed latch 59 and means Vare provided for renlovi'ng the latch from engagement with the gear to permit free rotation of the gear when it is desired to reset the gear to zero. Secured tothe shaft 53 is a disc 61 having a notch therein i'n whichthe end of the lever 62 is disposed. 'l'he lever 62 is secured to the end of the shaft 63 which shaft is circular in cross section and is provided with a plurality of slots into which the rear ends of the latches 59 extend. Normally, the shaft is disposed in the position indicated in Figure 5, and when the shaft 53 is rotated, the shaft63 is rocked. serving to rock the latches 59 on their fulcrums and move them out of engagement with the gears 56. WVhen the shaft 53 reaches zero positi'on, the lever 62 drops back into the notch in the disc 61 returning the shaft 63 to the position indicated in Figure 5. The zero setting devices associated with this register are brought into operation by rotation of the shaft 53 and means are provided, under the control of a key, for causing rotation of this shaft in the proper direction to reset the numeral wheels to zero.
The actuator 27 is normally held in full cycle position, as is disclosed in my Patent ko. 1,643,710, and an electric motor 65 is employed -to rotate the actuator in either direction. Theelectric motor is connected to the driving shaft 66 by suitable reduction 'gearing comprising the gears` 67, 68, 69 and 71, the latter gear being secured to the driving shaft 66."r\ friction clutch 7 2 is interposed betwcenthe gears 68 and 69 so that a destructive load will not bc placed on the motor 65 in the event that the load placed upon the motor by the actuating mechanism,becomes Atoo great. Means, including a clutch member i3 which will be described hereinafter is interposed between the driving shaft 66 and the shaft 74 which is connected to the actuator. Splined to the shaft 74 is a gear 75`which is movable axially ofthe shaft by the shifting fork 76. In one of its shifted positions, the gear 75 meshes with the gear 77 and in the other of its shifted positions lneshesA with the gear `7 8. The gears 77 and 78 are in lnesh with each other and the gear 77 is in mesh With the gear 79 which in turn meshes with the gear 81, secured to the actuator 27. The gear 75 thus drives the actuator 27 either through the geant-rain 75, 77, 77', 79, and 81 or drives itin the reverse direction through Athev gear f train 75, 78,177, 77,f79 and 81. By shifting the gear 75 axially of. the shaft 74, the actuatr e.
rotated in eitherv direction. shifting fork 7.6 is secured to the axially movable rod 83 which 4is suitably mounted in the machine and which is provided at its may be opposite end with va slot in which the cam' shaped end 84 of the rock lever 85 is disposed. By rocking the lever 85, the rod 83 is shifted axially, vreversing thev direction of rotation of the actuator 27. The direction of rotation of the actuator is controlled by the plus and minus keys 86 and 87 arranged to the right of the rows of value keys. Depression of the key' 86 serves to cause rotation of the actuator in one direction and depression of the key 87 serves to cause rotation in the opposite direction. Fulcrumed below the stems of the keys 86 and 87 is a T shaped lever 88 which-is connected to the rock lever 85 by the link 89. The parts are normally held in the position shown in Figure l6 by the spring 91 attached to the T shaped lever 88. with the parts in this position, the motor drives Athe actuator in a forward direction. Depression of the minus key -87 causes the stem thereof to contact with and rock the so thatv when either of these keys is de- 4 pressed, the motor will drive the actuator in the proper direction as long asthe key is held depressed. Mounted in the machine below the keys 86 and 87 is a rock plate 93 which is so Vshaped that depression of either key will rock the plate in a clockwise direction. Pivoted to the plate 93 is a clutch control bar 94 which is normally held in retracted position by the spring 95. Associated with the clutch control bar is the' clutch control lever 96 which opera-tes to control the en a ement and disengagement of the Yclutc 3. The clutch bar 94 is provided on its forward end with af recess 97'which engages a pin 98 on the clutch leverr 96. This lever 96 is normally held in retracted position by the spring 99. Depression of either key 86 or 87 moves the clutch bar 94 forward, rocking the. clutch lever 96 against the action of the spring 99 andy holding the clutch lever in such position. I
The clutch comprises a ratchet. wheel 101 secured to the driving shaft 66 anda housing member 102 secured to the driven shaft 74. Fulcrumed on the housing member is a pawl 103 adapted to engage the ratchet 101 and .cause simultaneous rotation of the ratchet and the housing. lThe pawl is provided on its end with a projection 104 which overlies an aperture in the housing and when the projection 104 is pressed inward, the pawl is held out of vengagement with the ratchet. The clutch lever 96`is provided on its end' with a toot-h 105 which is adapted to enter the aperture in the housing and move the latchl to separate it from engagement with the ratchet wheel. lVhen either of the keys 86 or 87 is depressed, the end 105 of the clutch lever 96 is moved out of the aperture in the housing permitting the spring 106 to move the pawl into engagement with the ratchet thus engaging th clutch. T he release of either of the keys 86 or 87 or. the release of the'clutch lever'96 by disengagement of the hook portion 97with the pin 98.y causes the projection 105 on the clutch lever to enter theaperture in the housing as thc clutch housing rotates, and disengage the clutch and stop the clutch housing. The gear train between the clutch housing and the actuator is such'that the stopping of the clutch housing by the clutch lever 96 stops the actuator in full cycle position regardless of the direction of rotation of the actuator'. There is therefore pron vided means actuated by the single manual stroke of either key'86 or 87 for initiating the rotation' of the actuator, determining its direction of'rotation, determining the duraent :,ssasev Y tion of such rotation and for stopping it in 'is a slide`113 which is moved forwar full cycle position.
The clutch lever 96 is also controlled by a plurality of multiplication keys, depression of any ey serving to cause the actuator to rotate a number of times `corresponding to the vaue of the key. Arranged at the right of the machine'is a row of ten keys 112, the first key being the clearance key and the other nine keys being numbered consecutively from one to nine. Depression of one of these keys, the five key for instance, will cause the motor to rotate the actuator' five times and stop the actuator in full cycle position. The mechanism for accomplishing this automatic operation of the actuator is fully described in my aforesaid Patent No. 1,643,710'to which reference is hereby made, but since such `mechanism, forms no part of the present invention,. it will not be described herein. Associated with the stems of the kevs 112 upon the depression of a key, the key stems being irovided with cams 114 for this purpose.
ngaging the forward end of the slide 113 is a rock lever 115, the lower end of which is in contact with a pin 116 on the clutch control bar 94. Depression of any of the keys 112 with the exception of the clearance key, rocks the lever 115, thus moving the clutch control bar 94 and the clutch lever 96 causing disengagement of the clutch housing anni engagement of the clutch. It is seen therefore, that operation of the machine ma be actuated by depression of either of the eys 86 or 87 or any of the value keys 112. Upon the depression of one of the keys 112, the clutch is engaged and the actuator is rotated a number of times equal to the value of the key and then the automatic mechanism described in my Patent No. 1,643,710 above referred to raises the clutch control bar 94` disconnectingr it from the clutch lever 96 and permittingthe spring 99 to return the projection 105 .of the clutch lever into engagement with the housing, to stop the houslng and disengage the clutch.
. The calculating machine contains two registers, the product register consisting of the series of numeral wheels 32 which reglster is mounted on the longitudinally displaceable carriage 29 and the multiplier register comprising the series of numeral wheels 52, which register is mounted on the frame of the machlne. During the operation of the machine, these registers accumulate values, and at the end of a calculating o eration, the registers must be reset to zero. he present invention contemplates the provision of means operative b a single manual stroke to reset either or oth of`these registers to zero. Associated with the driving shaft 66 are two clutches 120 and 121. These clutches are both of the same construction and one of them is shown in Figure 3. Each clutch comprises a ratchet 122 secured to the driving shaft 66 and a housing or driven member 123. Pivoted to the driven member is a pawl 124 having a tooth 125 adapted to engage the ratchet 122. This pawl 1s pressed toward the ratchet 122 by the spring 126, but is normally held out of engagement with the ratchet by the clutch control lever 127. This lever is provided on its end with a projection 128 which enters an aperture in the housing 123 and engages the projection 129 on the end of the pawl 124, holding the pawl out of engagement with the ratchet. The projection 128 alsoserves to stop the housing ordriven member 123 in zero position. Secured to the housing 123 of the clutch 121 is a sprocket 131 which 1s connected by the endless chain 132 with the sprocket 133 secured to the projecting end of the shaft 53 of the multiplier registerAV 51. Secured to the housin 123 of the clutch 120 is a sprocket 134 whic is connec'ted by the endless chain 135 to the sprocket 136 which is secured to the hub 137, journaled in the side plate 24- Splined to and rotatable with the hub 137 is the hollow shaft 138 which is in turn splined to the projecting shaft 35 of the product register. The shaft 35 is telescoped within the hollow shaft 138, so that the carriage 29 maybe displaced longitudinally without interrupting the driving connection between the shaft 35 and the sprocket 136. When either of the clutches 120 and 121 are in engagement, the'shafts of the registers are rotated to return the figure disc to zero and these clutches may be separately engaged or may both be engaged at the same time to simultaneously reset both registers to zero. l
Each clutch 120 and 121 is provided with its own clutch control lever. The clutch 120 being provided with the clutch control lever 1,27 and the clutch 121 being provided with the clutch control lever 127 These levers are normally held in engagement with the clutch housings by the springs 141 and each lever is provided with a key or other manually manipulable means for moving the lever out of engagement with the associated clutch housing. Associated with the levers 127 and 127 are keys 142 and 143, the stems of which extend through the casing 144 which encloses the clutches and their control means. The keys 142 and 143 are arranged adjacent each other and adjacent to the keys 112 and' 86 and 87 so that they may be readily operated by one hand of the operator without reaching. This greatly reduces the fat'igue to which the operator of the machine is subjected. The stems of the keys 142 and 143 are pivoted to a stub-shaft 145 secured lto the side bracket 24 and are connected at their inner ends by sliding joints with the clutch levers 127 andv127 respectively. De-
the engagement of the clutch and the consequentrotation of the zero resetting shaft of the associated register. The projection 128 on the clutch control lever will, upon the release of the key, stop the housing and consequently the register in zero position. When desired, the two keys 142 and 143 may be depressed simultaneously, thereby\ clearing both registers at the same time.
Means are provided for preventing the engagement of either clutch 120 and 121, while the clutch 7 3 is in-engagement and for preventing engagement of the clutch 73 when either of the clutches 120 or 121 is in engagement. The clutch control levers 127 and 127 are fulcrumed on a shaft 146 which is journaled in the side late 24. Each clutch control lever is provi ed with a hub surrounding the shaft and each hub is provided with a peripheral slot 147 in which there is disposed a pin 148 extending radially from the shaft 146. The slot is of greater length than the diameter of thepin, so that the clutch levers 127 and 127 may normally be oscillated without rotatin the shaft. Journaled inthe frame of t e machine below the driving shaft 66 is a transverse shaft 151 and secured to one end of this shaft is a finger 152 which lies behind and in the path of the end of the clutch control lever 96. Secured to the other end of the shaft 151 is afinger 153 which lies directly below and in contact with a linger 154 secured to the end of the shaft 146. When the clutch lever 96 is rocked to disengage the clutch housing and engage the clutch 7 3, the end of the lever 96 contacts with the finger 152, rocking the shaft 151 and causing the contacting fingers 153 and 154 w rock cie shaft 146. When the clutch levers 127 and 127 are in engagement with the respective clutch housings, the pin 148 which is secured in the shaft 146 is spaced away from the end of the slot so that the shaft 146 can rock. If however, one of the-levers 127 and 127 is out of engagement with the clutch housing, the end of the slot in the hub is in contact with the pin 148 and consequently the shaft 146 cannot rotate. Therefore, the finger 152 is held against movement and consequently the clutch control lever 96 cannot be moved out of engagement withthe housing of the clutch 7 3. Severally, similarly, when the clutch lever 96 is out of engagement with the housing of the clutch 73, the pin 148 is held in contact with the end of the slot 147 so that neither of the clutch control levers 127 and,127 may be rocked to move them out of disenga ement with the housings of the respective c utches 12() and 121. Therefore, the actuator may not be thrown into operation when either of the zero resetting devices is in operation and conversely neither of the zero resetting devices may be thrown into operation while the actuator is in operation. This will prevzero resetting device to reset the register to zero in any of a plurality bf positions of the carriage. c
2. In a calculating machine, a frame, a carriage displaceable longitudinally on said frame, aA registerxmounted on said carriage, a zero resetting device movable with the carriage and associated with said register, a motor mounted on said frame, and a driving connectionv including a telescoping shaft connecting said motor With 'said device in a pluralit of longitudinally displaced positions o the carriage.
3. In a. calculating machine, a frame, a
carriage displaceable longitudinally on said frame, a register mounted on said carriage', a zero resetting device movable with the carriage and associated with said register, au electric motor mounted on said frame, a driving connection including a telescoping shaft connecting the motor with the device, a normally disengaged clutch in said driving connection and manually operable means for causing engagement of the clutch.
4. In a calculating machine, a longitudinally displaceable register comprising a'plurality of numeral wheels adapted to be separately moved various amounts` from zero postion, a zero resetting device associated with the register, an electrically operated device and means operated by a single manual stroke serving to cause the electrically operated device to operate the zero resetting device to rotate the wheels to zero position in any displaced position of the register.
5. In a calculating machine,.a frame, a carriage displaceable longitudinally on said frame, a shaft carried by and movable with the carriage, a lurality of numeral wheels mountedgon said shaft and l.comprising a register, a zero resetting device associated with said register, an electric motor mounted on said frame, and controllable means for connecting .said zero resetting device to said motor in a plurality of longitudinally displaced positions of the carriage.
6. In a calculating machine, a frame, a carriage displaceable longitudinally on said frame, a shaft carried by and movable with the carriage, a plurality of numeral wheels mounted on said shaft and comprising a register, a zero resetting device associated 'with said register, an electric motor mounted on said frame, a driving connection including a telescoping shaft connecting the motor with the re ister shaft, a normally disengaged clutch 1n said drivin connection, and manually operable means der causing engagement of the clutch.
7. In a calculating machinea frame, a carriage displaceable longitudinally with res ct to the frame into a plurality of pos".- tions, a register mounted on said carriage, a zero resetting device movable with the carriage and associated with said register, and power operated means controlled by a single manual stroke for resetting the register to zero in any of a plurality of displaced positions of the carriage.
8. In a calculatlng machine, a longitudinally displaceable register, power operated means ffor resetting the register to zero, and means operable by a single manual stroke to initiate and effect transmission of movement from said power operated means to reset said register to zero in any of a plurality `of displaced positions of the register.
9. In a calculating machine, a longitudinally displaceable register including a plurality of numeral wheels, means subject to a constant driving potential for returning said wheels to zero,l means for restraining said potential from driving said zero resetting means, and means for releasing said restraining means in a plurality of displaced positions of said register, said releasing means being operable by a downward stroke.
10. In a calculating machine, a multi-denominational accumulator actuator, a plurality of accumulator elements mounted on a supporting shaft and shiftable relatively to the actuator for selective actuation by the several orders thereof, a driving means, and
'means for Vcoupling the accumulator elements thereto in any of their shifted positions, for drive selectively by the said accumulator actuator or by the said shaft.
11. In a calculating machine, a plurality of relatively displaceable register frames, registers mounted therein, zero-resetting means associated with each of said registers, and means comprising permanently juxtaposed control elements operable by a single manual stroke to causeoperation of any or all of said zero-resetting means selectively, while said registers are in any of a plurality of relatively displaced positions.
12. In a calculating machine, a plurality of relatively displaceable register frames, registers mounted therein, zero-resetting means associated with each of said registers, a source of power, and means comprising permanently juxtaposed control elements operable jointly or severally by a single manual stroke to connect said source of power with all or any of said zero-resetting means respectively, while said re 'sters are in any of a plurality of relative y dis laced positions.
13. In a calculating mac ine, a frame, a
register displaceably mounted thereon, a second register, zero-resetting means associated with each of said registers, a drivin mechanism mounted in said frame, an means comprising permanently juxtaposed control elements operable jointly or severally by a single manual stroke to connect said driving mechanism with said zero-resetting means selectively, While said first register is in any of a' plurality of displaced positions on said frame.
14. In a calculating machine, a frame, a register displaceably mounted thereon, a second register, zero-resetting means associated with each of said registers, and means cemprising juxtaposed control elements mounted in said frame and operable jointly or severally by a single manual stroke to operate said zero-resetting means selectively, while said first register is in any of a plurality of displaced positions on said frame.
15. In a calculating machine, a plurality of relatively displaceable registers, zero-resetting means associated with each of said registers, a source of power, and means comprising permanently juxtaposed control elements each operable by a single manual stroke to connect said source of power withf' one of said zero-resetting means, while said registers are in any of a plurality of relatively displaced positions.
16. In a calculating machine, a frame, a register displaceably mounted thereon, a second register. zero-resetting means associated with each of said registers, a driving mechanism mounted in said frame, and means comprising` permanently juxtaposed' control elements each operable by a single manual stroke to connect said driving medhanism with one of said zero-resetting means. While said first register is in any of a plurality of displaced positions on said frame.
17. In a calculating machine, a frame, a register displaceably mounted thereon, a second register. zero-resetting means associated with each of said registers, and means comprising juxtaposed control elements mounted in said frame, and each operable by a single manual stroke to operate one of said zeroresetting means, while said first register is in anyof a plurality of displaced positions on said frame.
18. In a calculating machine having driving mechanism, a rotatable shaft displaceably arranged with respect thereto, numeral wheels carried by said shaft, and actuators for rotating said numeral Wheels upon said shaft, the combination of transmission mechanism connecting said actuators and said driving mechanism, extensible transmission mechanism connecting saidshaft and said driving mechanism, and interlocking means for rendering either transmission mechanism operative to drive said numeral wheels.
19. In a calculating machine, a register comprising reversibly operable numeral wheels, a key, said register being longitudinally shiftable relatively to said key, and connections between said key and said register whereby depression of said key invariably serves to set said register to zero.
20. In a calculating machine, a zero-resetting drive member, a carriage shiftable with respect thereto and having reversibly operable numeral wheels therein, zero-resetting mechanism for said numeral wheels, and means for 'eecting a driving connection between said member and said mechanism in any of a plurality of positions of said carriage.
21. In a calculating machine, a zero-resetting drive member, a carriage shiftable with respect thereto and having reversibly operable numeral wheels therein, zero-resetting mechanism" for said numeral wheels, and means for maintaining a driving connection ,between said member and said mechanism in any position of said carriage.
22. In a calculating machine, a frame, a zero-resetting drive member mounted in said frame, a carriage having a limited range of longitudinal movement on said frame, reversibly operable numeral wheels carried by said carriage, resetting means for said numeral wheels, and means for maintaining a driving connection between said member and said mechanism throughout the range of movement of said carriage.
23. In a calculating machine; a frame. aA key mounted in said frame, registering mechanism comprising a zero-resetting shaft longitudinally shittable on said frame, and means controlled by said key for operating said shaft in any relative displacement thereof. f
24. In a calculating machine, a zero-resetting drive member, a register carriage shiftable with respect thereto, a zero-resetting shaft journalled in said carriage and shiftable therewith, and means for maintaining a driving connection between said member and said shaftin an v position of said carriage.
25. In a calculating machine, a zeroresetting drive member, a register carriage shiftable with respect thereto, a zero-resetting shaft journalled in said carriage and shiftable therewith, and transmission mechanism comprising engaged driving elements relatively displaceable with respect to each other without disengagement for maintaining a driving connection between said member and said-shaft in any position of said carriage.
26. In a calculating machine, a zero-resetting drive member, a register carriage shiftable with respect thereto to a plurality of positions, a zero-resetting shaft journalled in said carriage and shiftable therewith, and
means for effecting a driving connection between said member and said shaft while the Lassen? carriage is in any of a plurality of said positions." .fg'f .u
27 .---In a calculating machine, a zeijofresetting drive member, a registerl carri-agelshiftable with respect thereto tofwipl-nizality of positions, a zero-resetting shaft j ournalled in said carriageand shiftable therewith, and transmission mechanism compris-ing engaging ble with respect thereto, a zero-resetting shaftjournalled in said carriage and having reversibly operable numeral wheels mounted thereon, zero-resetting means between said shaft and'said numeral wheels, and means forniaiiitaining a driving connection between said shaft and said member in any position ofsaid carriage.
29. In a calculating machine, a frame, a drive mechanism comprising a rotatable driving element mounted on said frame, a register carriage longitudinally sliir'table to a plurality of operating positions on said frame, a rotatable shaft carried in and shiftable with said carriage with respect to said rotatable driving element, numeral wheels mounted on said shaft, and anextensible driving connection between said rotatable driving element and said shaft for driving said numeral wheels while said carriage is in any of said operating positions.
In testimony whereof, I have hereuntol set
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2423502A (en) * 1942-04-13 1947-07-08 Jorgensen Julius Coin counting and sorting machine
US2440665A (en) * 1942-06-17 1948-04-27 Nat Acme Co Automatic set-back counter
US2951636A (en) * 1953-11-19 1960-09-06 Pointe Lloyd J La Plural register calculator
US3188647A (en) * 1961-04-06 1965-06-08 Ramona E Davis Data recorder
US3944795A (en) * 1974-04-29 1976-03-16 Diehl Setting mechanism for digital display devices

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2423502A (en) * 1942-04-13 1947-07-08 Jorgensen Julius Coin counting and sorting machine
US2440665A (en) * 1942-06-17 1948-04-27 Nat Acme Co Automatic set-back counter
US2951636A (en) * 1953-11-19 1960-09-06 Pointe Lloyd J La Plural register calculator
US3188647A (en) * 1961-04-06 1965-06-08 Ramona E Davis Data recorder
US3944795A (en) * 1974-04-29 1976-03-16 Diehl Setting mechanism for digital display devices

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