Historical Document · 1909
US Patent 908,731: Calculating-Machine (W. R. Bonham, carrier-disk carry)
Bonham's second patent, filed 6 April 1905 and granted 5 January 1909: the carrier-disk tens carry between the stylus dials.
Historical Document · 1909
Bonham's second patent, filed 6 April 1905 and granted 5 January 1909: the carrier-disk tens carry between the stylus dials.
UNITED STATES PATENT OFFICE. WALTER RICHARD Bonham, or chicago, ILLINOIs. No. 908,731. specification of Letters Patent. Application filed April 6, 1905, serial No. 254,080. Patented Jan. 5, 1909. the outer circle of numerals indicated on the To all whom it may concern are visible, and an elongated. Be it known that I, WALTER RICHARD back plate,7, 4,through which the numbers of . BoNHAM, a citizen of the United States, re aperture, the inner and outer circle of numerals 60 siding at Chicago, county of Cook, and State both on the back plate may be seen in pairs suc 5 of Illinois, have invented certain new and cessively indicator diskis rotated, the useful Improvements in Calculating-Ma two circlesas the of numerals on the back plate chines, of which the following is a full, clear, being arranged reversely of each other, or in . and exact specification. words, reading respectively counter- 65 This invention relates to improvements in other and clockwise. These disks 1, 2, 1o calculating machines, in which is employed 3,clockwise are thus situated on the back plate, 4, at 8. E. of indicator disks, and carrier dis interposed between the indicator disks proper distance apart and arranged between the carrier disks, 8, which are pivot- . . fortransmitting the motion of one of the themonaresuitable E.in9,theonedraonly of, but theseit 70 indicator disks to the other, and the present ed disks, 8, being shown improvements have more special reference. 5. to means for controlling the rotation of the will nevertheless be understood that the carrier or carriers and the invention has for other one pivoted on the pivot 9 bears the . . its primary object to provide an improved, same relation to the disks 2, 3, as does the 75 8 to the members 1, 2. . . . . . . simple and efficient means forE. the disk The edge of the disk or carrier8 is provided 20 carrier from moving accidentally beyon the with depending teeth or lugs, 10, arranged position to which it is positively moved by at suitable intervals apart for interme oneWith of thea indicator members. . . . . . view to the attainment of these with teeth 11 formed on the Eli the indicator disks 1, 2,3. In the drawing 80 ends and the accomplishment of certain the teeth 11 are omitted from the disk be hereinafter appear. 25 other objects which cause they would have no function on the the invention consists in the features of units disk in practice. the disks may be novelty which will now be described with ES but, other and the presence of reference to the accompanying drawings and such teeth,of11,each on the units disk would not 85 then more particularly pointed out in the interfere with the operation of the device. . . . . . . . - Each of the indicator 30 claims... 1, 2, 3, however, In the said drawings. Figure 1 is a plan excepting the last onedisks, of the series, is essen view of my improved machine with a part E. provided with a projecting lug or of the top plate broken away. Fig. 2 is a tooth, 12, which extends E" outer 90 cross section thereof on the line, 2, 2, Fig. 1. of the teeth 11, and is adapted to en 35 Fig. 3 is a similar section on the line 3, 3, edges with the depending-lugs, 10, on the . . Fig. 1. Fig. 4 is a detail perspective view of gage carrier disk adjacent thereto and thereby - a part of the back plate. Fig. 5 is an ent impart tenth of a rotation to the carrier larged detail perspective view of the edge of disk, thea latter provided with ten of 95 's, one of the carriers; and Fig.6 is an enlarged the teeth or lugs,being 10, and im: . 40 detail section taken on the line 6, 6, Eig. 1. part a tenth of a rotation toconsequently the next one 1, 2, 3, represent respectively the indicator. indicator disks in the series, by virtueof . : . members or disks which stand for the units the of the engagement of the teeth 11 between ... tens, and hundreds, and it will be understood the teeth 10, hence it is seen that for each. 100 of course that any desired number of these complete rotation of the units disk, I, tens 45 indicator members or disks may be 'em disk, 2, will a tenth of a rotation and ployed, the three shown in the drawing being the hundredsreceive disk, 3, for eachlikewise completereceive. rota . . sufficient for the purposes of illustration. stion of the tens disk, 2, will As these indicator members are or may be a tenth of a rotation, and soon throughout 105. duplicates of one another the description of series. With such a construction it is 50 one will suffice for ali. They are pivoted to the obvious should the carrier, 8; continue ...: . . the back plate, 4, by...meansedofonjournals, 5, to rotatethat after, the tooth 12 leaves it, it the disks which are preferab would place the tens disk, 2, in a false posi osses struck up. tion, themselves in the sh and in order to guard against this arid 110. . . . . . therefrom and engagi table apertures positively the carrier after it has been *in the back plate, ey are provided inoved thelock predetermined distance, by the . . - is with a series of apertures, 6, through which 2. 908,731 tooth 12, I provide a stop therefor in the movement, of the last said indicator is im form of a lug or pin, 13, which for con- parted to the carrier, stop means for resisting venience may be produced in the form of a the movement of the carrier when the last boss directly on the inner side of the face said means ceases to act thereon, and inde plate 14. The ends of the teeth, 10, are in means for preventing retrograde 70 close propinquity to the inner face of the pendent movement of the carrier. back plate, 4, and when in that position the calculating machine the combina disk 8 is a little to one side of the plane in tion2. ofIna aplurality of rotary indicators, a car which the end of the lug or stop 13 is situated 0 so that while in that position the disk 8 will rier for imparting the movement of one of indicators to the other, a stop normally 75 be free to rotate. As shown in Fig. 2, how said out of the plane of movement of the carrier, ever, the disk 8 is allowed a slight lateral and means moving the carrier into the movement on its pivot, 9, and consequently plane of thefor stop as the carrier rotates. may be moved toward the end of lug or stop 3. In a calculating machine the combina 5 13 which is situated inwardly with respect tion of a plurality of rotary indicators, a car 80 to the circumference of the disk 8 and rier for imparting movement of one of said directly in line with a circular series of slots, indicators to the other, said carrier being free 15, cut round the edge of the disk 8 and to rotate in one plane, means for forcing the forming crossbars, 16, the slots being of carrier into another plane as it rotates and 20 sufficient width to receive the end of the for preventing its rotation in said 85 other plane. pin 13, so that when the disk 8 is moved means towards the pin 13 the latter will engage in calculating machine the combina the slots, 15, and prevent further rotation of tion4. ofIna aplurality indicators, a car the disk 8 as soon as one of the crossbars, 16, rier for impartingoftherotary movement of one of 25 encounters said stop 13. These slots and said indicators to the other free to rotate in crossbars, 16, are so situated and propor one plane in one direction but not reversely, 90 tioned that the disk 8 may be given a tenth means for forcing the carrier into another of a rotation by the tooth 12, and at the plane as it rotates, and means for preventing completion of that tenth the crossbar, 16, 30 will be about to engage with the stop 13 so its rotation in said other plane. 5. In a calculating machine the combina that when the tooth 12 lets go the stop 13 tion of a plurality of rotary indicator disks, a 95 will control and prevent further rotation of carrier disposed between the disks for the carrier. The lateral movement for thus rotary transmitting the motion of one of said disks bringing the carrier disk 8 into engagement 35 with the stop 13 is preferably produced by to the other, a stop for limiting the rotation of the carrier, means on one of said indicators 00 an incline, 17, formed on the back plate, 4, for directly engaging and rotating said car in the line of movement of the tooth 12 and rier into engagement with the stop, and which causes the tooth 12 and its indicator means on another of said indicators engaged disk 1, 2 or 3 to lift or move laterally with by the carrier for receiving the rotation of 40 relation to the back plate, and the tooth 12 said carrier. being under the edge of disk 8 at that time 6. In a calculating machine the combina 05 it also lifts the disk 8. As soon as the tooth tion of a plurality of rotary indicators mov 12 passes the incline, 17, thereby permitting able laterally or axially, teeth projecting disk, 8 to drop back into place, another 45 tooth, 10, on the disk 8 falls just at the end from said indicator, inclines with which said engage for moving the indicators later 0 of a stop 18 formed on the back plate in teeth ally, rotary for imparting the move the line of movement of the tooth 10, said ment of onecarriers of said to the other, stop, 18, being beveled on one side to facili and under which saidindicators teeth engage, said car tate the passage of the tooth, 10, thereover. 50 This prevents any retrograde movement of riers being axially movable, crossbars on said carriers, stops arranged in the line of move 15 the disk 8 after it is released by the tooth 12, ment of said crossbars but normally out of while the stop 13 prevents it from rotating the plane thereof and adapted to be engaged forwardly under the impulse it receives from by said crossbars when the carriers are the tooth 12. moved axially towards them. 55 Having thus described mv invention, what 7. In a calculating machine the combina 20 I claim as new therein and desire to secure tion of a plurality of rotary indicators, a car by Letters Patent, is: rier consisting of a rotary disk for imparting 1. In a calculating machine the combina the movement of one of said indicators to the tion of a plurality of rotary indicators, a car 60 rier independent of and disposed between the other, teeth projecting laterally from the edge of said disk, a tooth on one of said indi 25 indicators, said carrier being adapted to en cators to engage with said teeth, gage one of the indicators for imparting the means adapted for moving disk axially by the movement of another of said indicators to movement of said said tooth, crossbars carried the firstforindicator, on saidwhereby other indi by said disk, and a stop fixed with relation 65 ) cator engagingmeans the carrier the to said crossbars and normally out of the 30 908,731 8 plane of movement thereof but adapted to plane of the stop as the carrier rotates, said 10 be engaged thereby when said disk moves means serving to prevent a retrograde move laterally. ment of the carrier in the first said plane of 8. 8. this the combina- its movement. tion of a imparting plurality oftherotary indicators, a car rier for movement of one of WALTER RICHARD BONHAM. said indicators to the other, a stop normally Witnesses: out of the plane of movement of the carrier, Y FRANCIs A. HoPKINs, and means for moving the carrier into the A. M. UHER.