US663891A

US663891A - Computing-machine.

Info

Publication number: US663891A
Application number: US32908A
Authority: US
Inventors: Hans J Hanson
Original assignee: Individual
Current assignee: Individual
Priority date: 1900-06-04
Filing date: 1900-10-13
Publication date: 1900-12-18
Anticipated expiration: 1917-12-18

Description

Nu. 663,89l.

No Model.)

I Patented Dec. 18, I900. H. J. HANSON.

COMPUTING cums.

(Application filed Oct. 13, 1900.)

4-Sheets-Sheet l,

THE RRRR rs PETERS co. PHOTO-LITHO., WASHINGTON, n. c

No. 663,89l. Patented Dec. 18, I900. H. J. HANSON.

COMPUTING MACHINE.

(Application filed Oct. 13, 1900.]

@iezz 2 0x ,5/ M W 171 015] a/1aw1, By %2J //z752"/zzya No. 663,891. Patented Dec. l8, I900.

H. J. HANSON.

COMPUTING MACHINE.

[Application filed Oct. 13, 1900.)

(No ModeL) 4 Sheets-$heet 3.

I? WW.

No. 663,89l. Patented Dec. 18, I900. H. J. HANSON.

COMPUTING MACHINE.

(Application filed Oct. 13, 1900) (No Model.) 4 Sheets-8heet 4 X/ 4 wa t UNITED STATES PATENT OFFICE.

HANS J. HANSON, OF HANSONVILLE, MINNESOTA.

COM PUTlNG-MACHINE.

SPECIFICATION forming part of Letters Patent No. 663,891, dated December 18, 1900.

Original application filed June 4, 1900, Serial No. 18,979. Divided and this application filed October 13, 1900. Serial No.

To all whom it may concern.-

Be it known that I, HANS J. HANSON, a citizen of the United States, residing at Hansonville in the county of Lincoln and State of Minnesota,have invented certain new and useful Improvements in Computing-Machines; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

My present invention relates to computingmachines, and has for its especial object to provide a machine of simple construction and small cost by the use of which various oomputations-such, for instance, as the cost of a certain number of bushels of grain at a certain price per bushel or the interest on a certain sum for a certain number of years and fractions thereof at a certain rate of interest and analogous computations-may be quickly and accurately made even by persons not able to make such calculations mathematically.

To the above ends my invention consists of the novel devices and combinations of de vices hereinafter described, and defined in the claims.

This application is filed as a division of my pending application, Serial No. 18,979, filed June 4, 1900, and allowed August 23, 1900, entitlec Calculating-Machine.

My present invention is illustrated in the accompanying drawings, wherein like characters indicate like parts throughout the several views.

Figure 1 is a view, partly in plan and partly in horizontal section, on the line x 50 of Fig. 2. Fig. 2 is a vertical section approximately on the line :0 1: of Fig. 1. Fig. 3 is a vertical section taken approximately on the line :0 00 of Fig. 2. Fig. 4c is a front elevation of the keyboard portion of the machine, some parts being broken away; and Fig. 5 is a de tail in vertical section of a portion of one side of the case and certain other parts, taken approximately on the line 09 of Fig. 3.

The numeral 1 indicates the case of the ma chine, the same, as shown, having a lower compartment in which a drawer 2 is mounted to work below a false bottom 3 of the said (No model.)

case. The upper portion of the case is preferably formed by sheet-

metal sections

4 and 5, the latter of which is detachable. The section a is provided with a series of slots 6, spaced apart laterally, as best shown in Figs. land Q. There are nine of these slots, and the purpose of the same will hereinafter appear.

Suitably mounted at their inner ends on a transverse pivot-rod 7 is a series of keyrods 8, nine in number, the free outer ends of which work one in each of the slots 6 of the plate 4:. These keys 8 are subject to springs 9, which yieldingly hold the same upward, and at their outer ends they are provided with finger-pieces or heads 10, marked consecutively from the left toward the right with the numerals or digits 1 to 9, inelusive.

Mounted for pivotal or oscillatory movements within the case 1 on a horizon tally-extended shaft 11 is a lever 12, preferably of the rectangular form shown. The lever or frame 12 is adapted to be moved from the position indicated by full lines into the position indicated by dotted lines in Fig. 2, and at its forward end it is provided with a stepped plate 13, preferably bent to form the segment of a cylinder. Said plate 13 has nine steps, varying in height from the left toward the right and standing one under each of the key-rods 8, as best shown in Fig. -:t.

The oscillating lever-frame 12 is normally yieldingly held, as indicated by full lines in Fig. 2, by means of a leaf-spring 14, one end of which is applied to the top of the case 1 and the other end of which, as shown, is applied to the rear inner end of said lever-frame 12. The spring 1 1- is shown as provided with a branch spring portion 15, the free end of which is pronged for engagement with the shaft 11; but this latter feature forms no part of my present invention and is claimed in my said pending application above identified.

The sides of the case 1 are provided with vertical channels or guides 16, in which verticallymovable blocks 17 are mounted to freely slide. The blocks 17 are connected to the ends of a transversely-extended channellike rest 18. The lever-frame 12 is provided with outwardly-projcoting fingers or lugs 19, which underlie the blocks 17 and support and control the same.

The back of the case 1 is extended upward, as shown at 20, and spaced apart from, but just forward of, this portion 20 is a thin guide plate or rail 21, provided, preferably, with a slot 21. The indicator-head 22 is mounted to slide transversely over the guide-plate 21, the same, as shown, having inturned lips 23 for holding it in place on the said guide-plate. At its upper and lower ends the indicatorhead 22 is provided, respectively,with notches 24c and 25 for purposes which will hereinafter appear.

The numeral 26 indicates a chart or card which is graduated or marked on its face, as presently noted. This chart 26 when in operative position is supported by the channelrest 18, which, it will be remembered, receives its vertical movements, together with the blocks 17, from the oscillating lever-frame 12. The said chart 26 is adapted to he placed in working position, as just indicated and as best shown in Fig. 2, by dropping it between the case-section 20 and the guide-plate 21, the top of the case being cut away, as shown at 27, to freely pass the same.

'l henumeral28indicates a so-callec quantity-strip which is subdivided and marked longitudinally of itself and transversely of the machine with numerals indicating certain numbers of pounds, bushels, yards, or other indications of measure. This quantity-strip is preferably loosely supported in a seat 29,

formed in the upper portion of a case extension 20.

The chart or card 26 is lined longitudinally to correspond to the number of different positions which the lifting-lever 12 maybe given under the actions of the various keys 8, which in the machine described are nine in number. \Ve will assume that the particular chart or card 26 is graduated or marked to indicate the selling price or sum which should be received for wheat or other produce in quantities corresponding to the numbers on the quantity-strip 28 at a selling price varying from fifty to fifty-nine cents per bushel. More pecifically stated, the top line of the chart, which is normally clearly seen through the slot 21 of the guide-plate 21, is marked in vertical lines with the numerals on the quan tity-strip 28 to indicate the value of the different quantities or number of bushels of grain or produce at fifty cents per bushel. Hence by moving the indicator-head 22 so that its upper notch 2-1 displays the figure 10 of the quantity-strip its lower notch 25 displays the mark on the chart 26. This of course indicates that ten bushels of grain at fifty cents per bushel are worth five dollars.

it is not, of course, necessary to operate the keys Sin calculating the value of any amount of grain or produce at fifty cents per bushel;

but for any other price, varying from fiftyone to fifty-nine cents, inclusive, per bushel the said keys must be depressed so as to raise the chart as an entirety. For instance, to determine the value of sevent y bushels of wheat at fifty-nine cents per bushel the head 22 should be moved so that its upper notch 24; displays the figure on the quantity-strip 2S, and then the actuating-key marked with the numeral 9 should be depressed to its limit. This will raise the chart 26 upward to its limit, so that the amount $41.30 is displayed in the notch 25 of the indicator-head 22. From theabove statements the principle of graduation or arrangement of the markings of the chart will be understood.

In practice I provide a series or plurality of quantity strips and charts marked in various denominations for performing various calculations. For instance, I provide interest tables, subtraction and multiplication tables, tables for determining the prices or values of lumber, $00.; but as the principle of construction and operation remains the same throughout all of such devices I do not deem it necessary for the purposes of this case to carry out specific illustrations further than as above given.

The machine above described is in itself capable of considerable modification within the scope of my invention.

What I claim, and desire to secure by Letters Patent of the United States, is as follows:

1. A computing-machine comprising an oscillating lever or frame, a bank of keys havingadifferential action on said lever orframe, a chart or graduated card movable vertically into different positions by said frame or lever, and a transversely-inovable indicator or head cooperating with said chart, substantially as described.

A computing-machine, comprising an oscillating frame, a bank of keys having a differential action on said frame, a chart or graduated card movable into different positions by said frame, a relatively stationary scale or strip marked to indicate quantities, a transversely-movable indicator or head cooperating with said chart, substantially as described.

3. The con'ibination with the oscillating lever-frame 12, having the stepped feed-plate 13, of the bank of digit-keys 8 operating one on each step of said plate 13, the verticallymovable blocks 17, subject to said lever 12, the channel-like support 18 carried bysaid blocks 17, the graduated chart or card sup ported by and movable with said rest 18, the relativelystationary quantity-strip,the guide plate 21, and the indicator head 22 sliding on said guide-plate 21 and provided with upper and lower end notches, substantially as described.

4c. The combination with a strip marked to indicate quanties, of a chart marked in one direction to indicate the value of the various terial or matter at a certain price, substanquantities at a certain price and having sevtially as described. to eral lines of such markings, for several differ In testimony whereof I affix my signature ent prices, means for variably moving one of in presence of two witnesses.

5 said members toward and from the other, and HANS J. HANSON.

an indicator movable lengthwise of the said \Vitnesses: two members, for determining on the said L. M. LENVIOK,

chart the value of a certain quantity of ma- DAVID WHALEN.