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Патент USA US3060792

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Oct. 30, 1962
J. BURGESS
PUNCH CARD DEVICE 'HAVING A FINE GRAIN
cELLULosE sPoNGE BACKING MEMBER
Filed sept. 1. 1959
// / Í
Y4
3,060,782
United States Patent Office
3,060,782
Patented Oct. 30, 1962
2
1
and thereby further assist in removing the scored areas
by scraping them therefrom.
The foregoing and other objects and advantages will
be apparent from the following description, and the in
3,060,782
PUNCH CARD DEVICE HA‘VHNG A FINE GRAIN
CELLULÜSE SPONGE BACKîNG MEMBER
Jackson Burgess, Mundelein, Ill., assigner to Burgess
Cellulose Company, Freeport, Ill., a corporation of
vention will be understood, by reference to the accom
panying drawings showing an illustrative embodiment of
the invention, and in which drawings
Delaware
Filed Sept. 1, 1959, Ser. Noa 837,479
3 Claims. (Cl. iBS-65S)
FIGURE 1 is a plan view of the device broken away
to show the intermediate cellular cushion and the backing
This invention relates to a punch card device, and more 10 support, with the card in position to be punched;
FIGURE 2 is a cross-section of the structure of FIG. 1
particularly such as is employed for registering informa
taken on the line 2_2 of FIG. 1;
tion by punching out designated scored areas thereof with
FIGURE 3 shows a conventional punching tool for use
a hand-held punching tool, such cards being then ready
with the device of FIG. l;
to run through electrically operated machines to collect
FIGURE 4 is a fragmentary enlarged perspective view
or collate the information aiforded thereon by their
of a corner of the structure of FIG. 1, the tool of FIG. 3
punched out areas.
being shown in use therewith;
A signiñcant difficulty encountered heretofore in the
FIGURE 5 is a fragmentary vertical section taken on
use of such punch cards has resulted from the need to
the line 5_5 of FIG. 4; and
ascertain that every punched area has been completely
FIGURE 6 is a section similar to FIG. 5 further en
removed from the card before the card is put into the 20
larged to bring out detail.
tabulating machine, and that there are no partially
Referring specifically to the illustrative embodiment of
punched areas still adhering to the card, the presence of
the invention shown in the drawings, the holder 11 may
which would interfere with the attempted tabulation.
be of metal or plastic and includes a ñat stiff portion or
ln a portable device of this character, for example,
there is generally included a backing support for the card 25 backing sheet 12, the upper and lower margins of which
overlie the sheet i2 as at 13. The holder thus provides
having upper and lower overlying margins into which the
retainer flange strips for the elongated punch card 1<4 that
card may be slid lengthwise, being held against the back
may thus be slid into the holder 11, from either end there
ing sheet by the overlying margins. The card has a multi
of. The margins underlie and are retained by the retainer
plicity of small scored areas, each generally rectangular,
flange strips 13', with the result that the card is held in
and arranged 1n serried vertical and longitudinal rows, any
place for operation thereon, as later described. ` For this
one of the scored areas being adapted to be punched out,
purpose the card `14 has serried vertical and longitudinal
by a special hand-held tool provided. To facilitate such
rows of relatively small predetermined pre~scored areas
punching, it is desirable to provide an intermediate pad
15 that have suitable designations or indicia thereon in
between the backing and the card of a resilient material,
accordance with punch card tabulating or information
for which purpose felt or rubber has been used. An
collecting practices, as is well known to the art and need
objection to felt or rubber has been found to be that a
not be here further described.
substantially larger area than the scored area being
»In accordance with the present invention, there is inter
punched is depressed during the punching operation, and
.
.
.
.
.
that, because of this, the punching operation becomes
largely a tearing action, facilitated only slightly by the
n
posed between the backing 12 and the card 14 the inter
mediate resilient layer or cushion 16, that, in accordance
`herewith, is formed of a cellulose sponge material cut
pre-scoring of the area. Moreover, especially in the case
from a larger block of such material by a slice in the
of rubber, the material is so resilient that when the punch
plane of the cushion. The `cutting advantageously ex
ing tool is presed against a scored area, one side parts first
poses the cell structure of the material over a surface of
from the card, and the scored area swings outward about
its other side like a door and remains attached to the 45 the cushion to provide upstanding walls of the cells over
a surface 17 that is in Contact with the back face 18 of
punch card by that one side.
the card 14, these upstanding walls being best seen at 19
ln accordance with the present invention, a sheet or
(FIGS. 5 and 6). The sponge material should have fine
flat cushion of tine-grained cellulose sponge hävmg an
grain so that a large number of cell walls will be avail
open cell structure over its surface is placed in contact
with the back face of the card. The surface of the cushion 50 able for supporting the punch card at all points, and, yet,
which 4may be depressed by the scored areas when they
which is to contact and support the card is cut so that the
are punched out without affecting surrounding cell walls
thin open cell walls will be exposed. This open cell struc
which continue to support the area of the punch card
ture, by reason of the cutting through of the original cells
surrounding the scored area. Sponge material which has
of the material in the slicing thereof, has a multi-parietal
structure containing upstanding cell Walls dispersed over 55 large pores would not be as effective since the desired
support of the areas of the card immediately surrounding
said surface, so that instead of a smooth surface in con
the scored areas is not assured.
tact with the back face of the card there are a multiplicity
The sponge cushion should preferably be thin for etli
of discrete points or cell walls which support the back
cient operation, pads having a thickness of from 1A" to
of the card. As a result, when the tool is pressed against
the scored area of the card, the scored area so punched 60 1A ” having been found to be very suitable.
The conventional tool 20 has a die termination 21 of
compresses the call walls and causes them to recede. The
-cell walls which are not so compressed continue to sup
port the portions of card surrounding the punched area.
As a result, instead of a tearing action on the area, a
rectangular form corresponding to the rectangles of the
scored areas 15, which are pre-scored as at 22. Flange
strips 13 as shown have an open flange portion 13a for
sliding reception of the card 14 and a more closed por
desirable shearing action is obtained which removes the 65
tion 13b'which holds the pad 16 in position.
punched out area wholly and cleanly from the card.
When now, as seen for example, in FIGS. 4, 5 and 6,
A further important advantage lies in the fact that, be
the tool 20 has its termination 21 pressed against one of
cause of the upstanding discrete cell Walls of the sponge
material as so constructed and arranged, when the card
the areas 15, this area is cleanly punched out as indicated
is slid out of the holder, along said surface of the cushion, 70 by its sheared edges 23, completely removing the scored
area 15 from the card. Such shearing action is of course
the upstanding walls of the cells again come into play to
facilitated by the pre-scoring 22 but is also, in accord
conveniently create a drag on the back face of the card
3,060,782
3
4
ance with the present invention, further insured by the
plane of the card, and when the pressure on the sponge
is removed said part will return to its initial position and
a sharp edged hole is made in the card.
2. A punch card device for use with a scored punch
open cellular structure of the face 17 of the cellulose
sponge cushion 16. As seen for example from FIG. 6,
the upstanding cellular walls 19a immediately adjacent
the score line 22 act somewhat independently of adjacent Ul
card and a punch as for example of the type having a flut
end, said device comprising: a stiff backing member hav
ing a relatively ñat base; and a resilient cellulose sponge
at 24 (FIG. 6). Thus a sharp edge hole as at 23 is made
in the card.
on said face and completely supported thereby, said
upstanding Walls 19 of the cellular structure and support
the portion of `the card 12 margining the score line 22 as
sponge having a fine grain cell structure with the side
It is to be understood of course that as soon as the tool
opposite said backing member having a multiplicity of
20 has been used it is removed and the now punched out
area 25 and other similarly punched out areas are free to
fall out and be discarded.
When the card 14 has been punched as much as in
tended, it is then slid lengthwise out of the holder 11 and
in this movement the upstanding cell walls 19 of the cellu
lose cushion 16 again come into play to provide a some
what scratchy surface in contact with the back of the
card that further assists in removing the punched out areas
25 from the card if any of them should still be adhering
upstanding thin cell walls exposed to forrn a card-con
tacting upper surface, the characteristics of said sponge
being such that when a card is laid across said opposite
side and the punch forced into the card the punch will
shear out an area of the card which will be forced into
the corresponding part of the sponge without severing the
cell walls of the sponge, with the sponge surrounding said
area supporting the remainder of the card substantially
in the plane of the card, and when the pressure on the
sponge is removed said part will return to its initial posi
tion and a sharp edged hole is made in the card.
3. A punch card device for use with a scored punch
card and a punch as for example of the type having a flut
end Whose cross section is of substantially the same shape
as the scored areas of said card, said device comprising:
a stiff backing member having a relatively flat face; and
thereto.
An additional advantage of the use of the cellulose
sponge material is the fact that while the cushion 16 is
resilient in the sense that it will return to its original
shape after being depressed, its resiliency is substantially
less than that of felt or rubber for example, thus offering
minimized resistance to the force of the tool 20 in the
particular area 15 being punched while at the same time
a resilient cellulose sponge on said face and completely
supported thereby, said sponge having a line grain cell
structure with the side opposite said backing member
tending to independently support the immediately adja
cent margins of the area to effect the shearing action pre 30 being defined by a cut surface to expose the Walls of the
viously described.
cells across said opposite side, the characteristics of said
Thus an improved punch card device is provided that
sponge being such that when a card is laid across said
opposite side and the punch forced into the card the
facilitates punch card tabulating or other data accumulat
ing operations and expedites use of the card both in regis
punch will sear out an area of the card which will be
tering information thereon and in collecting or collating
forced into the corresponding part of the sponge without
such information.
severing the cell walls of the sponge, with the sponge sur
rounding said area supporting the remainder of the card
In view of constantly enhanced use of punch cards for
this purpose in science and industry, for example, the in
vention is of marked utility.
substantially in the plane of the card, and when the pres
sure on the sponge is removed said part will return to its
The invention is claimed as follows:
40 initial position and a sharp edged hole is made in the card.
1. A punch card device for use with a scored punch
References Cited in the ñle of this patent
card and a punch as for example of the type having a ñat
end, said device comprising: a stiff backing member hav
UNITED STATES PATENTS
ing a relatively flat face; and a resilient cellulose sponge
on said face and completely supported thereby, said
sponge having a fine grain cell structure with the side op
posite said backing member being defined by a cut sur~
face to expose the walls of the cells across said opposite
side, the characteristics of said sponge being such that
when a card is laid across said opposite side and the .
punch forced into the card the punch will shear out an
area of the card which will be forced into the correspond
ing part of the sponge without severing the cell walls of
the sponge, with the sponge surrounding said area sup
porting the remainder of the card substantially in the ,
l
223,676
356,113
996,228
1,871,597
2,143,209
2,325,620
2,532,672
2,537,778
2,557,797
2,575,378
2,764,239
2,771,947
Kelly ________________ __ Ian. 20, 1880
Forbes ______________ __ Ian. 18, 1387
Elliott ______________ __ June 27, 1911
English ______________ __ Aug. 16,
Rambold _____________ __ Jan. 10,
Maeser ______________ __ Aug. 3,
Michael ______________ __ Dec. 5,
1932
1939
1943
1950
McCormick ___________ __ Jan. 9, 1951
Rand _______________ __ June 19, 1951
Bender ______________ __ Nov. 20, 1951
Selky _______________ __ Sept. 25, 1956
Cefaly ______________ __ Nov. 27, 1956
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