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Патент USA US2412238

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-Dec. .110, 1946.
2,412,238
'F. |_. WASSELL
PRODUCTION CONTROL BOARD
Filed Aug.‘ 13, 1942
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Dec. 10, 1946.
F. L. WASSELL
‘
2,412,238
PRODUCTION CONTROL BOARD
Filed Aug. 13, 1942
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Dec. 10, 1946.
.
. F. 1..‘ WASSELL
2,412,238
PRODUCTION CONTROL BOARD
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Filed Aug. 15, 1942'
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Dec. 10, 1946.
2,412,238
F, L. WASSELL
PRODUCTION CONTROL BOARD
Filed Aug. 15, 1942
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Patented Dec. 10, 1946'
2,412,238
UNITED‘ STATES PATENT OFFICE .
2,412,238
PRODUCTION CONTROL BOARD
Frank Lloyd Wassell, Westport, Conn, assignor
to Georgene P. Wassell, Westport, Conn.
Application August 13, 1942, Serial No. 454,712
8 Claims.
1
(Cl. 116-135)
The present invention relates to improvements
in statistical control charts, particularly of the
kind employing pegs or other markers for the
purpose of tabulating and portraying data of
various kinds.
A use to which the board contemplated by the
2
I
~
of Fig. 1 showing the installation of various 51%‘
nal strips; and
Fig. 9 is a vertical sectional view of Fig. 8 taken
through the signal strips.
7
present invention is particularly adapted is that
Fig. 10 is a fragmentary view similar to Fig. 1
butshowing a combined visible card index and
indicating board with a modi?ed arrangement of
of a digest of production in factories to the end
pegs and cords;
of facilitating assembly of the various parts and
expeditious delivery of the manufactured de 10
vices.
Other uses for which the device of the present
invention is well adapted are various tabulations
-
-
Fig. 11 is an edge view of the device of Fig.
10; and
-
Fig. 12 is a fragmentary View similar to Fig. 1
but showing a further modi?ed arrangement of
pegs and a cord to represent a graph.
involving scheduling, machine loading, purchas
Referring more particularly to the drawings
ing, production, assembly, tool allocation, sales 15 wh'ere like numerals refer to like parts, the board
statistics and in general comparative showings
of all kinds, as well as many other uses, as will
hereinafter be apparent.
indicated in its entirety by the numeral 10 in a
preferred construction is formed of laminated
sheets of ?brous material, but it may obviously
be formed of any other material for durability
It is an object of the present invention to pro
vide a chart board adapted for a great variety 20 and convenience of manipulation.
‘
of speci?c uses and which may be easily manipu
The working face of the board In is arranged
lated at will, as well as a device which may be
to receive at its left-hand section 12 various
repeatedly reused.
sheets of descriptive matter relating to the situ
A further object is to provide a compact board
ation to be charted or'a visible card index show
which may be used individually or in series and 25 ing a more complete record of the particular mat
which is simple in construction and durable in
ter involved, the visible portion of the card being
operation.
.
opposite the line for which it is the records ‘To
A more speci?c object and advantage of the
the right thereof the major body portion of the
invention is to provide a peg positioning board
board is made up of a- series of apertures ll dis
in which the pegs may besecured to the board .30 posed in horizontal and vertical alignment, each»
by cords or the like, and in which the cords may
aperture being adapted to receive a peg i4. . The,
be spring anchored at the interior or rear of the
pegs l4 may be of diiferent colors to signify vari-v
board so as to remain concealed when not in
ous denominations, units, etc. The pegs [4 are
preferably provided with shoulders to limit their
In the accompanying drawings wherein a pre 35 insertion into the board to provide means-for
ferred embodiment of the present invention has
holding the cords 26 hereinafter referred to close
been selected for exempli?cation:
to the face of the board.
>
. ‘
use.
Fig. 1 represents a plan view of a control
board;
Fig. 2 is a horizontal section of the device
illustrated in Fig. 1;
Fig. 3 is a vertical section of the device shown
in Fig. 1;
Space is provided above the aligned apertures
for receiving further indicia which, if the board
is used to portray factory production data, will
usually comprise the scheduled delivery dates and
dates for the-completion of component units of.
the device to be manufactured.
‘
Extending vertically of- the board is a plu
45 rality of tapes or cords I6, each secured at its
choring the extensible cords;
lower end by a peg [8 received in a selected hole
Fig. 5 is an enlarged detail of the preferred
of a row 20, and anchored at its upper end by
manner of securing the pegs or other markers
means of a similar peg 22 received in a selected
to the extremities of the cords;
aperture of a row 24. A spring 25 is interposed
Fig. 6 is a horizontal section similar to Fig. 2 50 between the cord l6 and one of its anchoring
but of a modi?ed form of the invention;
pegs so that the cord maybe taut'at all times.
Fig. 7 is a horizontal section similar to Figs. 2
[The purpose of the cord I6 is to divide the hori
and 6 but illustrating a double-faced modi?ed
zontal row of apertures into various groups or
board;
numbers, such as tens, for example.
Fig. 8 is a fragmentary plan view of the board 55 ‘ Each of the indicating pegs Hi is secured to a _
Fig. 4 is an enlarged detail of means for an
2,412,238
3
sary to portray a situation. A series of boards
may conveniently be vertically pivoted on an up
right standard or otherwise handled as leaves of
tape or cord 26 in any suitable manner such as
shown in Fig. 5, and at the left-hand side of the
bank of apertures I I is a separate vertical row of
apertures 28 through which the cords 26 are
passed to be anchored at the rear or concealed
face of the board. Immediately to the left of
the row of apertures 28 is a further row indi
a book.
A further feature of the invention is shown at
Fig. 8 wherein signal strips or cards of various
colors indicated at ‘H! are provided. Each of the
strips or cards 10 is provided preferably with
cated at 30, each of the apertures of this row
apertures mating with those of the board proper >
being in alignment with the horizontal rows and
providing a point for depositing the pegs M when 10 so that pegs [4 may be inserted through the strip
and into an aperture II. In addition, the strips
in unused or neutral position. It will be apparent >
‘or cards 10 are provided with further apertures
that the apertures ll provide at all times fixed
positions for receiving indicating pegs l4 and... ' 12‘for the. purpose of pegging the same to the
. board by small pegs 15.. Such strips or cards may,
attached cords 26. This construction has de
if desired, carry further indicia and are .of value
cided advantages over prior devices employing
in indicating special operations for emphasizing
pins or clips which mutilate the board and are
readily dislodged. It will be apparent that, any
given operation can be projected on the board
by selectively positioning the pegs M in proper
pockets and the cord 26 ‘can be suitably posi 20
tioned to show the progress or history of the
Cords 26 are spring-tensioned so that they may
across the board, as desired. A convenient man
at an end of‘ a tension spring 36 screwed or other
wise se‘cured at one end of the board as at 38. A
guide 40 which may be in the form of an indi
vidual ring is secured at the opposite end of the
board and each cord 26 is passed around the guide
48 and thence doubled back and tied as at 42 to
ring 34. . .It will be apparent that this gives a
three to one ratio and it will be understood that '
any other desired ratio may be provided by ap
‘
Another modi?ed 'arrangementiis shown in
25 pegs preferably of a color contrasting with the .
cord and the peg carried by it. > In this arrange
ment, the pegs I'M, which can be identical- with .
the pegs it except for color, may denote an ob
ner of anchoring the cords is best shown in Fig. 2
wherein a cord 26 is passed around guide mem
bers 32 positioned at opposite sides of an aper
ture 28, then looped through a ring 34 carried
will.
Fig. 10 wherein cords or tapes areprov'ided‘for
or used for alternate rows only thusleaving an
adjoining row of holes or pockets for receiving
operation.
be pulled through apertures 28 and stretched
the importance of a particular phase of the
charted situation and, of course, may be posi
tioned at any part of the board and removed atv
jective. For example, the pegs H4" may be used
36
to project a schedule on a horizontal row of pock
ets according to date, quantity, etc., and the cord
may then be pulled out in alignment with the
horizontal row of pockets‘below and its peg l4
_ inserted in the-proper pocket to show operation
against the projection or approach to the
objective.
,
i
Figs. 10 and 11 also illustrate a further‘ im
portant feature of the invention residing in the
combination of a visible card index and indicator
40 board. According to this feature of the inven-'
tion a series of visible index cards I20 are sup;
In the modi?ed construction shown in Fig. 6,
ported on elongated pins I22 at the left-hand
thetapes or cords 4B are continuous, the rear face
side of the board with the visible edgesfthereof
of the board supporting a tension spring 48 car
in alignment with one ‘or ‘more rows of horizontal
rying a ring 50 through which a cord 46 is passed.
pockets. In this manner the media carrying the
In this instance, the vertical row of apertures at
descriptive matter to be recorded on the working
the right-hand side. of the board is provided with
face of the board can also carry additional indi
‘ guides 52,and the guides 32 at the aperture 28
propriately rearranging the number and position
of pulleys or guides.
.
,
.
are appropriately rearranged to suit the direc
tion of the cord. The'construetion of Fig. 6 lends
‘itself toia novel feature of the device in that the
‘ portion of the cord 46, at the right-hand side of
peg It may be of a color, such as black, match
ing with the face .of the board so as to incon
; spicuousl'y blend into the board background,
while the portion of the cord 45 at the left-hand
side of peg It may be of a contrasting color, such
as white, to clearly show the distended length of
the cord on the working face of the board.
,
In the furtbermodification of Fig. 7, a double
board is provided and, as shown therein, the ag=
gregate thickness may be materially reduced by
providing a recess at the rear of the portion l2
of the board to receive the spring and pulley ar
rangement for anchoring the various cords.‘ vIn
the ‘particular construction illustrated in Fig. 7,
blocks 54 are carried at the ends’ of tension springs
55, each secured to an inside end wall of the
board. Each block '54 is provided with a series
of guides 58 opposed to stationary guides 69
around which a cord 66 is looped and fastened at
itsend to a block 54, as at 62.
It will be apparent that a very compact struc-wr
ture is thus ‘provided so that the double-faced
board of Fig. '7 readily lends itselffor use incom
plex operations where a series of. boards is. neces
vidual information without interfering with the
compactness and other utility of the device.’
“
' A novel use to which an indicator board "of'the
invention may be put is shown in Fig. 12 wherein
one of the cords ‘or tapes 26, which maybe of
passed
greateraround
than conventional
a plurality of length
pegs [4 ifso desired,‘
positioned
in various pockets that they cord will represent a
graph in curved or straight lines as'desir'ed. Al-i
though only 0116511011 graph is ‘shown, it will be
~ apparent that several graphs may be portrayed
on the same working surface but in such'event
to it is preferable to employ different‘colored pegs
for contrast.
'7
'
“
'
V
‘ It will be apparent that indicating .boards‘suoh
‘7 as contemplated by the invention maybe em
ployed individually or in series with‘ the utmost
e?iciency to chart and control. even the most
complex factory operations and‘ are of particular
value for this purpose. The. combination-of the
pocketed board, pegs and cord provides. a ?xed
portion on the board for measurement“ by per
centage, by numerical arrangement, .or' by- date
or a combination of date and percentage ordate
and
numbers.
'
‘
'
'
i
‘
"
" It- will be understood that the specific‘ struc-.
tures herein illustrated and described areiz'exg
emplary only and. may be modi?ed in many‘de
2,412,288
5
the points of extension of said ?exible members
through said board being aligned with selected
tails in'accordance with the principles of the
‘invention as de?ned in the following claims.
onesof said horizontal rows of holes, resilient
means individual to each of said members and
positioned at the rear of said board for tension
ing said members, each of said resilient means
being so constructed as to permit the pegs at
tached to the ?exible members associated with
The term ?exible member in the following
claims is intended to include tape, ribbon, wire,
or any similar elongated means.
I claim:
1. In an indicating device, a pair of boards
each having a plurality of peg receiving holes in
said resilient means to be moved a substantial
one face thereof, said holes being positioned
closely adiacent each other and being arranged 10 equal maximum extent from said points of ex
tension of said ?exible member through said
in alignment with each other to form vertical
board, said ?exible members having a width not
and horizontal rows, said boards being secured
greater than the width of one of said horizontal
together with said faces positioned to form the
rows of holes, said ‘resilient means comprising
exterior faces of a board structure and being
spaced from each other to provide a hollow board, 15 elongated coil springs extending horizontally of
said board each having one end engaging a ?ex‘
structure, a plurality of pegs provided with a
ible member and its other end attached to said
shank portion ?tting said holes in said board, for
insertion into selected holes so as to resist re
board.
.
‘
'
4. In an indicating device, a board having a
moval therefrom, a plurality of ?exible members
plurality
of peg receiving holes in one face there
20
each having one end attached to one of said pegs
of, said holes being positioned closely adjacent
and extending to the interior of said board struc
each other and being arranged in alignment with
ture adjacent one side edge of each of said boards,
each
other to form vertically and horizontally
spring means individual to each of said members
extending rows, a plurality of pegs each provided
positioned in the interior of said board structure
for tensioning said members and withdrawing 25 with a shank portion ?tting said holes for inser
tion into selected holes so as to resist removal
the same to the interior of said board structure
therefrom, a plurality of ?exible members each
upon removal of the corresponding peg from a
having one end attached to one of said pegs and
hole in one of said boards, said ?exible members
extending through said board to the rear of said
being aligned with selected ones of said horizon
board adjacent one side edge thereof, the points
30
tal holes.
of extension of said ?exible members through
2. In an indicating device, a pair of boards
said board being aligned with selected ones of
each having a plurality of peg receiving holes
said horizontal rows of holes, resilient means
in one face thereof, said holes being positioned
individual to each of said members and posi
closely adjacent each other and being arranged
tioned at the rear of said board for tensioning
in alignment with each other to form vertical 35 said members and withdrawing the same to the
and horizontal rows, said boards being secured
rear of the board upon removal of .the corre
together with said faces positioned to form the
sponding peg from a hole in said board, each of .
exterior faces of a board structure and being
said resilient means being so constructed as to
spaced from each other to provide a hollow board
permit the pegs attached to the ?exible mem
structure, a plurality of pegs provided'with a 40 bers associated with said resilient means to be
shank portion ?tting said holes in said board, for
moved a substantial equal maximum extent from
insertion into selected holes so as to resist re
said points of extension of said ?exible members
moval therefrom, a plurality of ?exible members
through said board, said ?exible members hav
each having one end attached to one of said pegs ; ing a width not greater than the width of one
and extending to the interior of said board struc
of said horizontal rows of holes, said resilient
ture adjacent one side edge of each of said boards,
means comprising elongated coil springs extend
spring means individual to each of said members
ing horizontally of .said board, each having one
positioned in the interior of said board structure
end engaging a ?exible member and its other
for tensioning said members and withdrawing
end attached to said board, said ?exible members
the same to the interior of said board structure '
each being looped at the rear of said board and
upon removal of the corresponding peg from a
attached to said one end of said springs and to
hole in one of said boards, said ?exible members
said board to provide for greater movement of
being aligned with selected ones of said horizon~
the end of said ?exible member attached to said
tal holes, each of said boards having an indicia
peg than said one end of said spring.
receiving portion along one side edge of said ‘
5. In an indicating device, a board having a
board,- the indicia receiving portions for the re
plurality of peg receiving holes in one face there
spective boards being positioned at opposite ends
of said board structure, said spring means for one
of said boards being positioned adjacent one of
said indicia receiving portions and the spring
means for the other of said boards being posi
tioned adjacent the other of said indicia receiv
ing portions.
.
3. In an indicating device, a board having a
plurality of peg receiving holes in one face there
of, said holes being positioned closely adjacent
each other and being arranged in alignment with
each other to form vertically and horizontally
extending rows, a plurality of pegs each provided
with a shank portion ?tting said holes for inser
of, said holes being positioned closely adjacent
each other and being arranged in alignment with
each other to form vertically and horizontally
extending rows, a plurality of pegs each provided
with a shank portion ?tting said holes for inser
tion into selected holes so as to resist removal
therefrom, a plurality of ?exible members each
having one end attached to one of said pegs and
extending through said board to the rear of said
board adjacent one side edge thereof, the points
of extension of said ?exible members through‘
said board being aligned with selected ones of
said horizontal rows of holes, resilient means in
dividual to each of said members and positioned
at the rear of said board for tensioning said
members and withdrawing the same to the rear
therefrom, a plurality of ?exible members each
of the board upon removal of the corresponding
being attached to one of said pegs and extend
ing through said board to the rear of said board, 75 peg from a hole in said board, each of said re
tion into selected holes so as to resist removal
2,412,238
7
,
.
silient means being so constructed as tolper-mit
the pegs attached to the ?exible members associ
"8
,
said‘board by‘said pe‘gsto‘ cover at least a;portion
of a pair of horizontal rows of'holes.
ated with said resilient means to be moved a
, substantial equal maximum extent from said
‘
7. Indicating ‘apparatus comprising ‘a board
member having a plurality of indicia receiving
spaces adjacent oneside thereof, extensible'indi
eating means carried by the board member ad
points :of extension of said ?exible members
through, said board, said ?exible members hav
ing 1a width not greater than the width of .one
pf said horizontal rows of holes, and a plurality
of'cards of materially smaller area than the
area of said ‘board and provided with holes 10
, spaced in accordance with the spacing of the
holes on said‘ board, whereby said cards may be
held in position on said board by‘ said" pegs.
jacent each of said indicia spaces and of a color
contrasting with the color of the board, yielding
means to maintain the extensible means normally
in a retracted position, a plurality of series of
holes in the ‘board member aligned with each of
the respective indicia ‘receiving spaces, pegs‘ se
cured to the‘ ends of the‘ extensible means and
.6.‘ In/an indicating device, a board having a
adapted to be positioned removably in the‘ holes
plurality "of peg ‘receiving holes in one face 7-15 of the respective series'of holes,land a second in
thereof, ‘said holes being positioned closely'ad
dicating means associated with each of the in
jacent each other ‘and being arranged in align
dicia receiving spaces andadapted to be posil
ment with each other to form vertically and hori
tioned removably in the holes of the, respective
zontally extending rows, a plurality of pegs‘ each
series of holes for providing information rela-'
provided with a shank portion ?tting-said holes .20 tive to said extensible indicating means.
for insertion into selected‘ holes so as to resist
8. Indicating apparatus comprising a board
removal'therefrom, a plurality of ?exible mem
member having a plurality of visible index cards,
bers .each having one end attached to one of
means to mount the cards movably positioned
' said pegs and extending through said board to
on said board member adjacent one side of the
the ‘rear of said board adjacent one side edge 25 board member with the visible edges exposed to
thereof, the points of extension of said ?exible
members through said board ‘being aligned with
form va plurality of indicia receiving spaces ad
jacent the said one side of said board member,
selected ;.ones of said horizontal rows of, holes, re
extensible indicating means carried by the board
silient means individual to each of said members
member adjacent each of said indiciafspaces and
and positioned at the rear of said board for ten 30 of a color contrasting with the color of the board,
sioning said members and withdrawing the same
yielding means to position the extensible means
to the rear of the'board-upon ‘removal of the
normally in a retracted position, a series or" holes
corresponding peg from a hole in said board, each
in the board, member comprising a pair of rows
of said resilient means being so constructed as
of holes aligned, with eachof the respective in-,
to permit the pegs attached to the ?exible mem
dicia receiving spaces, pegs securedto the ends
bers associated with said resilient means to be
of the extensible means and adapted to be posi
moved a substa’ntial‘equal maximum extent from
tioned removably in oneof the rows of holes of
'said points ofkextension of said ?exible members
the respective series of holes, and an indicating
through said'board, said ?exible members having
peg for each of the indiciareceiving spaces and 7
a, Width not greater than the width of one of
adapted to be positioned removably in the other
row of said respective series of holes to provide
said horizontal rows'of holes, and a plurality of
elongated cards having a width covering a pair
Yof adjacent horizontal rows of holes, said cards
~ information relative to said indicia receiving
spaces, said cards ‘having normally covered ,por
tions for receiving information relative to the
being provided with holes spaced in accordance
with the spacing of the holes on said board,
‘ whereby said cards may be held in position on
'
indicia receiving’ spaces thereof.’
}
~
7
FRANK LLOYD WAYSVSELL,
~
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