US1558920A

US1558920A - Progress chart

Info

Publication number: US1558920A
Application number: US679871A
Authority: US
Inventors: Raymond G Rech
Original assignee: Individual
Current assignee: Individual
Priority date: 1923-12-10
Filing date: 1923-12-10
Publication date: 1925-10-27
Anticipated expiration: 1942-10-27

Description

R. G. ARECH Pao'eass eww Filed nec. 1o, 192s Jiri-o Nays JA w.

N EQE l.: -22

' adapted to be used more particularly inr of production or completion to keep the by hand as the work upon the articles of Patented Oct. 27, 1925.

yUmTEDSTATEs iti . l RAYMOND G. RECH, or sYRAcUsnNEW YORK.

.- .rRoGRRss CHART.

4Application vfiled December 10, 192,3. Serial No. 679,871.

To all whom it' may concern:

y Be it known that I, RAYMOND G. RECH, a citizen of the United States 'of America, of

Syracuse, in the county of Onondaga, in the State of New York, have invented new and useful Improvements in Progress Charts, of which the following, taken in connection with the accompanyingdrawings, is' a full, clear, and exact description.

This invention relates to a progress chart large ,manufacturing establishments as a means for informing those interested as to the y preparation, progress and completion of the manufacture of various articles entering into a vparticular machine although it is Vequally applicable for use in any other relation where it is desired to keep a record of the progressive stages of development of any particular line of work.A l

In the extensive manufacture of machines of a certain type, each involving the use of a considerable number of parts, it is customary to carry in stock a sufficient quantity of raw materials for a given number of machines depending upon the capacity of' the plant and economic working conditions, n

the stock on handbeing distributed to various departments for such operations and processes rof finishing as may be necessary ot enable them to be easily and quickly i'nstalled in their, respective places in the assembling or finishing department.l

It is well known that some of the yparts require a greater number of operations sometimes in different *departmentsV than other parts, and vin, order that the work of each department may progress without delay or loss of time in each department, it is highly important that the raw materials and unfinished work be kept up in proper ratio assembly room at full working capacity.

These duties usually devolve upon what 1s commonly known as the production manager and his assistants, and the main object ofA tively adjustable endwise oneover the 'other and each strip bearing graduated indicia cooperating with one end of a next-superposed strip whereby the production manager or his assistant y'may at any time, adjust any one or the other of the Ystrips of each section to give a reading which will indicate'the various stages of lprogress of manufacture of articles under` the title of that particular section from the stock on hand or onorder, to the finished article so that the production manager or any other personA interested, may quickly determine byian examination of the chart, the exact progre'ssmade inthe completion or inshing offthe'articles under any one or the lother ofthetitles and also givesexact information'as to the stock on hand or on order, and 'if on order, the quantity due for ra given total productionl of machines, the number vunder process of y manufacture, and the number actually finished kfrom which maybe determined the amount ef stock necessary to order fory a continuation of the process or the necessity of urging the delivery of the raw materials immediately the rate of manufacture of any particular article through the various stages of completion by simplyV 'comparing the lengths Vof the exposed portions of the strips of any one sectionxand -in like manner, may determine the rate of manufacture of the different articles in variousstages of production by comparing the lengths of the exposed portions of the strips of any one 'section with those of'theother sections.

A further object is to provide suitable guides for the strips of each section whereby said strips maybe readily adjusted endwise that `particular section progresses.V

Other objects and uses relating to specific parts of the device will be `brought out in the following description.

In the drawinofsg-A Figure 1 is a fi'ont elevation of aprogress chart showing, this instance, three sections partly breken away.

Figure 2 is an enlarged longitudinal sectional view, partly broken away taken on line 2 2, Figure 1.

Figure 3 is an enlarged transverse vertical sectional View taken on line 3 3, Figure 1.

The chart shown is designed to show the progressive development of a plurality of, in this instance three, articles of manufacture and therefore, comprises a series of three parallel guides or sections 1 of substantially equal length arranged edgewise one upon the other and formed intermediate their ends with return bends 1 so that the opposite ends of the guides extend in the same direction and terminate in substantially the same transverse plane each section being designated by a different title such as M 1001 base, M 1002 Lf. front leg, M 1003 Rt. front leg, printed or otherwise impressed upon suitable cards 2 which are removably inserted in guide plates 3 the latter being secured to the front faces of the sections 1 near the return bend 1 with their inner ends in vertical alinement to form a fixed index lt If desired, these guide plates 3 may be rigidly united along their adjacent edges to each other and rigidly secured by brazing or otherwise, to the sections 1 to assist in supporting said sections.

The outer ends of the plates 3- may be hinged at 5 to any suitable support 6 to permit the entire chart to be swung in a horizontal plane to different angles as may be most convenient for observation by the users.

The printed title in the plates 3 represent the names of different articles to be operated upon and adapted to enter into the construction of machines of a certain type, each using one or more of said articles.

The front portions of the guides 1 extend horizontally in the same direction from their respective title plates 3 and terminate in the same vertical plane some distance from the fixed index Q depending somewhat upon the amount of work which may be conveniently and economically carried on in the plant, but more particularly upon the amount of information which the chart is required to give as to the various stages in the progress of the work.

For convenience of illustration of the operation of the chart I have shown only three of the guides and a plurality of, in this instance live, information strips cz b c c and (Z- in each guide, but it will be evident from the following description, that the number of guides and also the number of strips in each guide may be varied according to the information required.

The strips c O c and CZ are preferably ade in the form of thin flat tapes of flexible card board or equivalent material in different contrasting colors so as to be readily distinguishable one from another, and are relatively adjustable or slidable endwise in their respective guides by hand, or at will, so as to vary the distances between corresponding ends at the front and thereby to indicate, by comparison of the exposed lengths, the condition of the work upon the articles corresponding to the title of any particular guide 1 The innermost tapes --a are preferably secured by an adhesive, or otherwise, to the front faces of their respective guides and are provided with similar scales or numbered graduations gradually increasing in value from left to right while the remaining tapes ZJ e and M are provided with scales or numbered graduations grads' ually increasing in value from right to left.

For example, assuming that the capacity of output of a factory for a given period of time is 30,000 (more or less) machines of a certain type composed of, say three parts, such as a base, a left leg and a right leg, all requiring some particular operation to enable them to be properly assembled in the completed machine, then the innermost strips are preferably graduated in this instance, in inches progressively increasing the values of 1,000 from left to right and each division is divided into tenths, each representing one hundred parts so that the graduations will be numbered in sequence from left to right from 1,000 to 30,000 (29,000 being visible) with the ends of the innermost tapes representing the last named figure and vertically alined with each other.

The remaining tapes Z) O and (Z represent similarly graduated and numbered strips from right to left with the right hand end of each representing the lowest number.

One of the duties of the production manager is to see that a sufficient number of parts are in stock and on order for the completion of a certain number of machines in a given time and in going over the stock or raw materials on hand, he finds that he actually has on hand 8,000 of the Base7 parts; 14,000 of the Lf Leg parts and 12,000 of the Rt Leg77 parts of which 4,000 of the Base parts, Z1,000 of the Lf Leg parts antcll 3,500 of the Rt Leg parts are due on orer.

n n g This condition of the stock or raw mal terials would be shown on the chart by adjusting the strips or tapes Z of the upper, intermediate and vlower guides 1-- endwise to the left to register their right hand ends with the 8,000; 14,000 and 12,000 graduations on said guides respectively, while the tapes or strips c of the saine guides would be adjusted endwise to the left to bring their right hand ends into registration with the graduations numbered 7jof the lower intermediate and upper Cil guides respectively to indicate that Vof the 8,000 base parts 14,000 Lf Leg parts and 12,000 Rt Leg parts in stock and 'on order, 4,000 of the Base parts; 4,000 of the Lf Leg parts and l3,500 of the Rt Leg7 parts are still due on order and that the actual number of each of those parts on hand upon which work can be immediately begun will be the difference between what is shown to be on order and the total amount of stock ony hand and on order or, in this instance, 4,000 of the Base parts; 10,000 of the Lt Leg parts and 8,500 of the Rt Leg parte.

These parts which are actually on hand will therefore, be placed in the factory to receive any operations thereon which may bev necessary in the process of manufacture and to enable them to be installed in the assembling room for completing the machine.

These operations are defined as under process7 of finishing and in order to chart the numbers of articles or parts L.actually under process, the strips or tapes -CZ- will be adjusted endwise to the left to register their ends with the numbers of those parts on the tapes orstrips -c.

For example, if 1,500 of the Base parts; 8,000 of the Lf Leg parts and 7,500 ofthe Rt Leg parts have been placed under process of finishing, the right hand ends of the tapes l of the uppermost, intermediate and lower guides will be adjusted to register with the graduations number 1,500; 8,000 and 7,500 of the underlying tapes -0-, respectively.

These adjustments of the. several strips -CZ- will cause certain graduations thereon to register with the fixed index 4- and the numbers of Vthese graduations will indicate the number of each of the parts actually on hand and yet to be placed under process of completion of corresponding guides or as illustrated, 2,500; 2,000 and 1,500 on the uppermost, intermediate and lower strips CZ- respectively.

These numbers added to the readings on the strips ad of the corresponding guides will give the actual number of parts on hand and in process of construction or the sums of the readings on the strips -Z-^, -c and -Z will correspond` to the readings on the strips +Le- In like manner, any number of strips may be used in each guide to give additional information as to the progress of the work from the raw material to the finished machine and by making the strips for each guide of contrasting colors enables the production manager and others to see at a glance the relative progress of the work on any particular part by comparing the eX- osed lengths of the strips, one with another irrespective of the reading of the graduations, which is intended to ,give an accurate account ofthe number of parts ineach progressive stage of manufacture, fromf the quantity in stock `and on order-t0 the finished machines, which latter would be indicated by the registration of the right hand ends While Figure 1 shows only four exposed strips -ct-, -Z c and -cZ-in each of the guides -1--, each guide actually contains live strips, an extra strip as .-02- making five in all for each section as shown in Figures 2 and 3, but the right hand ends of the strips or tapes -care concealed by the superposed strips -cin that its right hand end is registered with that of the last named strip.

This extra strip -cmay be used for other purposes than shown, as foreXample to indicate one of the steps in the process of manufacture of each of the parts.

By the use of a chart of this' character, the n production man-ageror any otherperson interested, may readily determine the various stages of manufacture of any one of the parts and also whether the department operating upon quantity of any one of the parts is keeping pace with the progress of manufacturing of a quantity of any *one of the other parts in some other department and if not, the fault or delay may be quickly remedied either by supplying the necessary parts for manufacture or by speeding the operatives in the delayed departmentall of which contributes greatly to the harmonious operation of the several departments operating upon different parts and assures the supply of the finished parts necessary to keep the assembling room in harmonious operation and full capacity production.

I claim:

1. A progress chart comprising a plurality of strips relatively adjustable endwise at will one over the other to vary the distance between corresponding ends of the strips and thereby tol indicate progressive stages of a working process, the rearmost strip and its overlying strip being provided with reversely arranged lengthwise scales.

2. A progress chart comprising a plurality of strips relatively adjustable endwise at will one over the other to vary the distance between corresponding ends of the strips and thereby to indicate progressive stages of a working process, each strip being provided with a lengthwise scale, and a iXed index for cooperating with the outermost scale.

3. A progress chart comprising a guide, and a plurality of strips relatively adjustable endwise at will one over the other in said guide and each provided with a lengthwise scale, the innermost strip being iXed to said guide, and a fixed index. cooperating with the outermost scale,

eL. A progress chart Comprising-a plurality strip for indicating the progressive stages of parallel guides designated by distinct but of Work under the title of the corresponding related titles, each guide containing a pluguide. 10 rality of strips relatively adjustable endln Witness whereof I have hereunto set Wise therein toward and from one end theremy hand this lst davy of December 1923. of and each strip graduated lengthwise to cooperate With one end of the next adjacent RAYMOND Gr. RECH.