US666790A - Cash-register. - Google Patents

Description

'Paton'tod Jan. 29, I901.

D. K. ALLISON. CASH REGISTER.

(Appliation filed Apr. 80, 1900.)

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THE NORRIS PETERS co, PNDTO-LITNQ. VIVASNIN No. 666,790. Patented Ian. 29, IN.

. D. K. ALLISON.

CASH REGISTER.

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UNITED. STATES,

PATENT OFFICE.

DANIEL K. ALLISON, OF DAYTON, OHIO, ASSIGNOR TO THE TROY REGISTER AND MANUFACTURING COMPANY, OF TROY, OHIO.

CASH-REGISTER.

SPECIFICATION forming part of Letters Patent No. 666,790, dated January 29, 1901.

Application filed April 30, 1900.

To all whom it may concern.-

Be it known that I, DANIEL KQALLISON, a citizen of the United States, residing at Day: ton, in the county of Montgomery and State of Ohio, have invented certain new and usef ul Improvements in Cash-Registers; and I do 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, reference being had to the accompanying drawings, and to the letters of reference marked thereon, which form a part of this specification.

This invention relates to certain new and useful improvements in cash-registers, with special reference to the type known as detail-adders.

The object of the invention is to provide a machine for obtaining detail records of various commercial transactions which is simple in its construction and efficient and reliable in its operations.

The invention consists of a series of compound levers through which primary movement is imparted to the registering mechanism and in the connections between said compound levers and the registering-wheels, as will be hereinafter more particularly described.

In the accompanying drawings, Figure 1 is a side elevation of the machine, partly in section. Fig. 2 is a detail View of one of the registering-wheels. Fig. 3 is a front elevation of the mechanism. Fig. 4 is a sectional view on the line at 00, Fig. 1, showing the positions of the lovers.

The drawings, while not showing the machine in its entirety, are a full illustration of one complete set of the mechanism by which a sale or transaction is registered, the remaining mechanism being duplicates of that shown.

In a detailed description of the invention similar reference-letters indicate corresponding parts in the several views of the drawings.

By the letter Aone of the two side frames is designated. These frames are firmly held together by means of cross-pieces B, O, D, E, 50 F, and G, which will again be referred to.

Other bars or connections may be supplied Serial No. 14,810. (No model.)

for the purpose of connecting the framework, which is inclosed within a suitable casing. (Not shown.)

Extending between the two side frames A are shafts X, T, and W. Shaft X forms the fulcrum for a series of key-levers II, which are arranged side by side, with suitable spaces between. It will be observed that the shafts X and T are on a common plane. These levers may be of any value or denomination desirable, the value or denomination appearing on the finger-piece Y. These levers are pivoted on shaft X at or near their centers.

Fulcrumed on shaft T are a series of linklevers I, the number of which corresponds to the number of the key-levers H, to which they are loosely connected by pins or screws S. The connected ends of levers II and I have oblong slots I, through which the screws S pass, so that the connected ends of each lever will be permitted to describe arc movements, which is due to their respective pivots X and T, lever I being moved upon its pivot T upon each movement of its connected lever H. From Fig. 4 it will be seen that each of the link-levers I has a hub, and they are strung closely together on the shaft T and are held by said hubs from moving laterally out of their proper places on said shaft. The keylevers H are guided in the front of the machine by the slots B, and being screwed to the link-levers I they are held much more firmly in their proper positions. Therefore the upright barsK will not get out of a proper vertical position. The cross-bar B has a series of slots B, through which the key-levers II project and are allowed to move in. These slots serve as guides for the key-levers H and also to limit the stroke or movement of said levers.

Attachedto each of the link-levers I is an upright bar K, which is held in proper position by cross-bars D and E, said bars being provided with grooves D, in which said up- 5 right bars K move up and down and which serve to prevent said uprights from striking each other. The lower end of each upright K is pivoted to its respective link-lever I by pins 1 The upper end of each of said up- [00 rights is provided with a flat spring-hook N. These spring-hooks are so shaped that they press against ratchet-wheels L at all times. These ratchet-wheels L rotate on shaft W, which extends between the side frames A. Each of said wheels is provided with a flange on on one side of the ratchets, on which is placed a series of numbers, as shown in Fig. 2. The numbers on each wheel correspond in denomination to the numbers on their respective keys, and the numbers on each wheel begin with the units of that denomination and increase in consecutive order to as many multiples of that denomination as may be desired. The said ratchet-wheels are prevented from moving backward by means of springdetent-s 0, which are made of flat spring-steel and are so constructed as to serve the purpose of both a detent and a spring. Said detentsaresecuredtoatransverse barF. When a ratchet-wheel Lis moved forward one tooth, the spring-detent 0 rises sufficiently to release the tooth engaged thereby and immediately falls into the next tooth, thus holding the ratchet-wheel firmly in its proper position.

Across the machine in front of the ratchetwheels and close to them is a transverse bar G, which has a slot 9 extending its entire length, through which the numbers on the peripheries of the wheels are visible. This sightslot is so narrow that but one number can be viewed at a time on each wheel. A registration is made by pressing downwardly a keylever H. By this operation the link-lever I of such key-lever is raised and the upright bar K is elevated. This causes the springhook N to engage with the next higher tooth on the ratchet-wheel. When the finger is removed from the key-lever, the spring q draws down the link-lever and key-lever thus actuated to their original positions, in which operation the spring-hook N turns the ratchetwheel around the extent of one tooth. The spring-detent 0 engages the next tooth, and thus the next highest number may be seen through the sight-opening in bar G. The springs q are secured to the cross-bar O and to each of the link-levers 1.

Having described my invention, I claim- 1. In a machine of the character specified, the combination of a series of compound levers consisting of two single levers acting on a common plane, the forward one of which is f ulcrumed midway of its length, and the rearward one of which is fulcru med atits extreme rear end, the said levers being flexibly connected at their meeting ends, a series of registering-wheels of which there is one for each set of compound levers, an upright bar pivoted to the rearward one of each set of compound levers, ratchet mechanism between each upright bar and a corresponding registering-wheel, a spring for automatically returning each set of compound levers to their normal positions after each operation, and during which return movement, a registering-wheel is actuated to expose the number last registered, substantially as described.

2. In a registering-machine, the combination of a forward and rearward shaft X and T, a series of levers H and I, the former of which are fulcrnmed at or near their centers on the shaft X and the levers I being fulcrumed on the shaftT at their rear ends, and each pair of said levers having a flexible c011- nection at their adjoining ends, a spring exerting normal downward pressure 011 each of the levers I, a registering-wheel for each set of levers H and I, the numbers on each of said registering-wheels corresponding with the denomination or value of each respective set of levers, an upright bar K pivoted to each of said levers I, and a resilient pawl attached to the upper end of each of said bars K, and ratchet teeth on each of the registeringwheels with which said resilient pawls engage to rotate the said wheels upon each downward movement of the bars K, substantially as shown and described.

3. In a machine of the character specified, the combination of a series of register-wheels having ratchet-teeth thereon, a set of levers for each of said registering-wheels consisting of a forward lever H and a rearward lever I, the lovers H being fnlcrumed midway of their length, and the rearward levers I being fulcrumed at their rear ends, each set of levers H and I having a flexible connection at their meeting ends, a spring connected to each of the levers I adjacent to the point of connection with the levers H and exerting a normal downward pressure of said levers, an upright bar K pivoted to each of the levers I midway of the length of said levers I, a guide inclosing the upperportions of said bars K, a springpawl attached to the upper end of each of the bars and engaging with the ratchet-teeth on the registering-wheels to rotate said wheels on each return stroke of the levers, and a spring-pawl 0 engaging with the ratchet-teeth on each of the registering-Wheels to prevent a backward movement of said wheels, substantially as shown and described.

In testimony whereof I alfix my signature in presence of two witnesses.

DANIEL K. ALLISON.

Witnesses:

R. J. MCOARTY, LINDLEY G. Lone.

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