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Патент USA US3021639

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Feb. 20, 1962
Filed June 17, 1960
2 Sheets-Sheet 1
@E 3 %;Qamw.LEI
Feb. 20, 1962
Filed June 1'7, 1960
2 Sheets-Sheet 2
Henry J. Zaorski
Patented Feb._20, 1952,,
Harry B. Fuge, Somerviile, and Henry J. Zaorski, Mar
tinsville, N.J., assignors, by mesne assignments, to Plas
tic & Appliance (30.; Inc, Philadelphia, Pa., a corpora
tion of Pennsylvania
Filed June 17,- 1960, Ser. No. 36,772
5 Claims.
for mounting on a desk.
A plurality of strips 19, 20, 21 of different thickness
made preferably of aluminum and called “?ll tabs” carry
5 number indicia 22 (FIG. 4) which identify speci?c cus
tomers. The thickness of these strips represents an anae
log of the gallons required for a standard ?ll. . For ex-_
(c1. 40-195) .
This invention relates to devices for schedulingfuel
sired, the unit may also be supplied with angle supports
ample, if %4 inch represents 100, gallons then a strip
representing a 200 gallon standard ?ll for a 275 gallon
tank would be 1/32 inch thick. The strip for a 550 gallon
tank would be %6 inch thick and so on.
~'The retail fuel oil merchant delivers oil to customers
A plurality of open-front boxes 23 preferably made of
whose use varies primarily with the weather and whose
molded plastic and of a size to receive the ?ll tabs 19,
maximum stock of fuel may be su?icient for a period
20, 21 in vertically stacked relation, are set in line hori
varying from three days to three months depending on 15 zontally on the rack 10. Each box 23 is formed with
tank size and rate of use. To deliver oil at theoretically
a ?nger portion 24 to facilitate removal from the rack
minimum cost requires the solution of an extremely com
10 and has an inclined ramp 25 at the bottom to retain
plex problem in linear programming. Present practice
the ?ll tabs in stable stacked relation. A key portion 26
is aware of the problem, but attacks it with only the
formed on the box is engaged by the in-turned portions
most primitive methods based almost entirely on intui 20 27 of the extrusion piece 11 which form a track on which
tion. For instance, the retailer knows he must increase > the boxes are slidable horizontally as seen best in FIG. 2.
gallons delivered per day during colder weather. He
Each box represents a block of 25 weather units. On
knows that many full'tanks of a given size and similar
the front face 29 of each box is marked in sequence, a
usage at the beginning of the season may make a “pile
up” of required deliveries later in the season. The dis
patcher often attemps to equalize deliveries by guessing
from the number of customer cards in a given spot in
his degree day ?le or other crude means. No convenient
method or device appears to be available to help solve
the problem.
The device of this invention is intended to give the >
dispatcher a manually operated, visually readable analog
3 digit number (000, 025, 050, 075, 100, etc.) in steps
of 25 from 000 to 975 (40 boxes). These numbers
represent the last 3 digits of a weather unit reading for
today and the future for the next 2000_weather units (80
Each box will accommodate a 41/2 inch stack of‘ ?ll
tabs representing approximately 28,000 gallons of ‘oil.
This yields a maximum dealer delivery-capacity of 1100
gallons per weather unit or an effective 41/2 million gal
display of his delivery requirements based on some fuel
lons per year in one group of 80 boxes. It is estimated
use index. Opportunity is then provided to manipulate
that this represents about 2500 customers requiring 4 or 5
this display to optimize deliveries with respect to truck 35 trucks
delivery capacity.
size, geographical zone and coincidental peaks.
The logic of the device is based on the relatively few 7
the front edge of the boxes for manual accessibility and
standard tank sizes in common use along with standard
the boxes 23 have one side open to permit ready removal
truck sizes used for delivery. of oil. The device may be
the tabs when emptying a box for delivery scheduling.
based on “weather units” as indicated by the fuel use 40
computer shown and described in the United States patent _
application Serial No. 815,985, ?led May 26, 1959. It
may also be based on degree days or many other index
used to indicate fuel use as in?uenced by variable weather
At the left end of the rack as seen in FIG. 1 a portion
28 of the track is cut away or rabbeted to permit the
removal of a box 23 when moved to this position. The
box “025” is shown in position to be removed. At the
right‘ end of the rack as seen in FIG. 1 the front portion
of the track is cut away or rabbeted to permit insertion
' It is an object of this invention to provide aschedu-liug 45
;, 30
of a box in the rack 10.
. '
device for the fuel oil dispatcher which gives him a man
ually operated, visually readable analog display showing
tions ‘facilitate the ?ling of the ?ll tabs 19, 20, 21 in the
the proper priority of his delivery requirements based on
proper boxes in accordance with a consumption rate
a fuel use index.
50 factor 32 (boxes per ?ll) indicated thereon (FIG. 4).
With the above and other objects in view, as will here
On the basis of previous experience or estimated char
inafter appear, the invention comprises the devices, com
the number of weather units between deliv
binations and arrangements of parts hereinafter set forth
eries is determined for each customer. This ?gure di~
and illustrated in the accompanying drawings of a pre
ferred embodiment of the invention, from which the sev 55 vided by 25 equals the number of boxes between deliv
eries, i.e., boxes per ?ll, and may be recorded as the
eral features of the invention and the advantages attained
thereby will be readily understood by those skilled in the
consumption rate factor 32 on the ?ll tab as shown in
FIG. 4. When a customer is scheduled for delivery of
a full tank of oil, the ?ll tab representing the analog of
that customer’s ?ll is placed in the box 23 representing
60 the weather unit reading at which the next delivery will
FIG. 2 is an end elevational view of the device of
be required. Repeating this process'results in a ?ll tab
FIG. 1.
for each customer placed in the box representing the
FIG. 3 is an enlarged sectional view taken substantially
on line 3—3 of FIG. I.
point on the rack 10 at which the next delivery will be
FIG. 1 is a front elevational view of a device embody
ing the invention.
FIG. 4 is a detail perspective view of one of the boxes 65 required.
of FIG. 1 with a single ?ll tab received therein.
Since the thickness of each ?ll tab is an analog of
Referring now to FIG. 1, a rack 10 is formed of four
delivery gallons required, the dispatcher has a complete
pieces 11, 12, 13, 14 of extruded aluminum having a sec
picture in bar graph form of his weather oriented delivery
tion as shown in FIG. 3. These pieces are secured to
requirements. The geographical zone in which a cus
a base plate 15 by means of nut and bolt fastenings 16
70 tomer resides may be identi?ed by color-coding the tabs
to form a self supporting structure which may be mounted
and the dispatcher may then, by inspection, group deliver
on a wall -17 by screws 18 as shown in FIG. 2.
If de
ies according to neighborhood.
If weather oriented
deliveries result in a chance accumulated peak at a certain
dividual customer identi?cation and consumption rate
time, this is immediately evident from the height of the
‘ factors in vertically stacked relation in said boxes,'and
means permitting removal of one box at one end of the
pile of ?ll tabs. By advancing some of these deliveries to
a slack period the dispatcher may. balance his daily delivery
requirements to his operating truck capacity. It is also
evident that the dispatcher may manipulate this analog to
suit other special conditions which may arise, such as truck
breakdown, for example.
As weather units are accumulated day by day during
track and subsequent insertion of said box in said track at
the other end after movement of all of said boxes along
said track a distance equal to the width of one box while
preserving the relative position of the boxes.
. 2. A fuel delivery control indicator comprising a hori
zontal track, open front boxes with indicia representing
the year, the stack of boxes 23 is moved horizontally to 10 blocks of cumulative weather units, degree days or their
equivalent mounted on said track in side-by-side numerical
the left along the rack 10 in step with weather units as
sequential relation and slidable horizontally along said
read from the fuel use computer and successive boxes ap
track for receiving tabs carrying individual customer iden
pearing at the left end contain the ?ll tabs identifying the
ti?cation numbers and consumption rate factors carried in
customers to ‘be delivered each day. These boxes are
removed through the rabbeted portion 28., Boxes thus 15 vertically stackedrelationin the boxes, and means per
mitting the removal of one box at one end of the track
emptied for delivery scheduling are returned in sequence
and subsequent insertion thereof at the other end of the
track after movement of all of said boxes along the track
a distance equal to the width of one box, while preserving
this manner the numerical sequence of the boxes 23, repre
senting the accumulated weather unit scale, remains the 20 the relative position of the boxes on said track.
to ‘the right side of the rack as viewed in FIG. 1 and are
inserted in the track through the rabbeted portion 30. In
Since the output of this device is a customer identi?ca
tion number, a helpful additional device is a hand im
3. Apparatus according to claim 2 in which the track
is provided with sequential numbers corresponding to the
positions of the boxes on the track to facilitate the ?ling
of tabs in the proper boxes in accordance with the “boxes
printer for plastic address cards such as used by depart
ment stores and ?lling stations. The customer’s name, 25 per ?ll” factors indicated thereon.
4. Apparatus according to claim 2 in which the boxes
address, burner rate (boxes per ?ll), etc., may be im
have one side open to facilitate removal of the tabs when
printed on the plastic address card and ?led by customer
the boxes are removed from the track for delivery sched
identi?cation number. These may be drawn from ?le
as required and used to print delivery tickets for the daily
delivery schedule. A single daily log of weatherunits, 30
and a customer billing record complete the records re
quired for the retailer’s operation.
From the above it will be perceived that the device of
this invention eliminates the need for daily posting and ex
tending of written records and thus eliminates the pos
sihility of errors that occur so frequently in these func
tions. It enables the dispatcher to level peak load days at
will by visually displaying'both light and heavy delivery
days ahead. Delivery priority is maintained automatically
5. A fuel delivery priority indicator based on a cumula
tive fuel use index comprising a track, open front boxes
having indicia marked thereon representing equal blocks
‘of weather units, degree days or other fuel use indices ar_
ranged in side-by-side numerical sequential relation and
manually slidable on said track in step with the cumulative
fuel use index as read daily from a fuel use computer for
receiving tabs carried in said boxes in vertically stacked
‘relation each tab bearing a customer identi?cation num
ber and a consumption rate factor, and means permitting
since ‘the components move on a locked track and, since 40 the removal of a box from one end of the track and its
subsequent insertion when empty at the other end of said
track after all the boxes on said track have been moved
along said ‘track toward the removal end a distance equal
to the width of one box while preserving the relative posi
we claim herein is:
1. A device for scheduling fuel delivery to a group of 45 tions of the boxes on the track.
only .today’s boxes of ?ll tabs can be removed, the pos
sibility of taking the wrong day’s tabs is eliminated.
Having thus set forth the nature of the invention, what
customers having various known fuel storage capacities
and fuel consumption rate factors comprising a supporting
track, boxes identi?ed by numbers representing blocks of
cumulative weather units, degree days or their equivalent,
References Cited in the ?le of this patent
Molz _______________ __ Aug. 15, 1939
said boxes being mounted on said track in stepped nu
r 2,192,679
Kimball ______________ __ Mar. 5, 1940
merical sequential relation and keyed for sliding horizon
‘tally along the track for receiving tabs bearing visual in
Robbins .et a1.
Parkinson _________ ._-c.._ July 12, 1960
_______ .._. Sept. 2, 1958
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