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Патент USA US2123149

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July 5, 1938.
w. GRUMBACHERV
2,123,149
SPIRAL BILINDING
Filed Aug. 18,’ 1936 ‘
INVEN I OR,
' v Patented'Juily 5, 1938
2,123,149
‘UNITED STATES PATENT OFFICE
i 2,123,149
srmar. BINDING
.Walter‘Grumbacher, New York, N. Y.
_ Application August 18, 1936, Serial No. 96,572
'
.13 Claims.
My present invention relates generally to book
binding and has particular reference to the bind
ing 'of sheaves or stacks of sheeted material,
such as paper or the like, by means of a spiral
is binding element.
I
The present application constitutes a contin
uation in part of my copending application Serial
Number 664,851, ?led April 7, 1933, which has
matured into U. S. Patent 2,051,477, August
l0
18, 1936.
'
,
- While I have herein illustrated, and shall here
inafter describe, my invention as the same ap-,
plies to the binding’bf a stack of paper sheets,
nevertheless it will be understood‘that my in
lii vention is by no means restricted to this type of
sheet material but may have far wider appli
cability.
,
1
One phase of my invention relates to the bind
ing together in a permanent manner of a plu
20 rality of sheets. By the term “permanent” I
mean to distinguish this phase from the usual
type of “looseleaf’binding, which is designed for
the ready removal and insertion of sheets from
or into a stack of sheets, whereas in a permanent
binding removal of a sheet may not ordinarily
be effected without mutilating the sheet or the
binding element.
Another phase of my invention however relates
to binding of the “looseleaf” variety, permitting
30 ready removal and insertion of sheets from or
into the assembly.
(oi. 281-25)
from the stackand thereby hold the sheets in
assembled relation. Where such deformations or
extraneous members come into contact with por
tions of the sheets of the stack, binding or mu
tilation of the sheets is very apt to occur.
It is therefore also among the objects of my in
vention to provide a construction in which such
deformations or extraneous members are located
at points removed from the stack itself and in
this connection further to provide complemen 10
tary‘ abutments, that will cooperate with said
deformations or extraneous members that limit
the rotation of the binding element, at points
removed from the stack.
For the attainment of these objects and such 15
other objects as will hereinafter appear or be
pointed out, I have shown several embodiments
of my invention in the drawing, in which:—
Figure 1 is a plan view of a bound sheaf or
stack of improved characteristics, embodying the 20
features of my invention;
Figure 2 is a side view of Figure 1;
Figure 3 is a plan view of the upper portion of
a stack of modi?ed construction;
Figure 4 is a plan view of a portion of a further 25
modi?cation;
‘ Figure 5 is ,and
a sectional view through a portion
of a stack provided with two backings or covers.
Referring now to Figures 1 and 2 in detail, I
have illustrated therein a stack 20 of substan
tially rectangular sheets, the stack being provided
‘ One object of my invention lies in providing an
with a series of equally spaced perforations 2|
improved arrangement wherein the rotation of
adjacent to and substantially parallel to the edge
the binder, after it has been associated with a
22 of the stack. The sheets are shown as mount
35 stack, is limited to a predetermined amount,’ ed upon a backing 23 which is relatively rigid,
thereby efficiently locking the binder, either per
and may be composed of cardboard or the like,
manently or temporarily, in position.
It is a further object of my invention to pro
vide an assembly comprising, in association with
a stack of sheets, a backing of substantially rigid
material which will impart a certain type of ri
gidity to the assembled stack, the sheets of which
are ordinarily of ?exible material.
One of the problems arising with spiral bind
45 ing elements is that of the catching or binding
of parts of the binding element in the walls of
the backing conforming preferably to substan
tially the size and shape of the sheets of the stack
20. This backing is similarly provided with a se
ries of equally spaced perforations adjacent to 40
the edge 24, and the two rows of perforations cor
respond in spacing and arrangement so that they
may be arranged in superposed position.
In accordance with my present invention, the
edge 22 of the stack 20 is recessed or cut away, 45
as indicated at 25, thus exposing the opposite
the perforations or‘ other portions of the stack, ends of the edge 24 and exposing one or more
thereby preventing free manipulation of the . perforations of the backing 23.
sheets whenthe stack is to be opened. The ef
A spiral binding element 26 is shown in asso
50‘ feet is particularly objectionable where the ends ciation with the stack and the backing, and it
of the‘ spiral element are deformed or have ex
traneous members positioned thereon so as to'
will be understood that this element may be com
posed of wire or similar rigid material. Its pitch
provide‘transverse abutments that cannot pass
through the perforations of the stack, and will
corresponds to the spacing of the perforations
in the ‘stack and in the backing, so that it- may
55 therefore prevent removal of thebinding element ’ be threaded into engagement with the stack and
2
2,123,149
the backing by rotating it, turn by turn, through
until the spiral is completely disengaged from
the perforations.
When this assembly has been completed, the
ends of the binder 26 engage only with the per
forations of the backing 23, and, in Figures 1
the stack.
and 2, these ends are shown as crimped or
doubled back, as at 21, so as to engage with
relative security with the backing 23. This pre
vents more than a very slight limited rotation
of the binder 26, and holds the parts in perma
nent assembly.
The reason for providing the cutouts 25 is to
providea space for the crimped ends of the
binder 26, this crimping being accomplished in
15 association with the backing only, as shown, and
leaving the sheets of the stack free for turning
them back to expose the sheets underneath. In
fact, the freedom of movement of the sheets 20
is highly e?icient, and although permanently
bound together these sheets may be folded back
wards or forwards around the binder 26 in a
manner which makes the device extremely useful.
In Figure 3, I have shown a “looseleaf” con
struction, illustrating how a tie pin clasp type
of device may be ei?ciently employed at both
ends of a spiral binding element 12, where a
stack 13 is mounted in association with a back
ing 14. In this case, the opposite ends of the
edge ‘I5 of the stack are recessed as at 16, there
30 by exposing the opposite ends of the perforated
edge of the backing H. The binder 12 engages
with the parts, as before, and the ends, instead
of being crimped as in Figure 1, are adapted
removably to receive the devices ‘ll. These de
03 Cr vices, as has already been stated, are of the tie
pin clasp type, and may be readily applied and
withdrawn from the ends of the binder to per
mit the binder to be locked in position or re
-
If on the other hand it is desired to remove
sheets from back of the stack of Figure 3, it will
be found convenient to remove the right hand
stop ‘H and unscrew the spiral to the left.
If one of the stops is permanently in place on
the spiral it will be necessary in all cases to dis
engage the spiral completely from the stack.
In Figure 4, I have shown an arrangement sim
10
ilar to Figure 3, in which only a single clamping
device 18, similar to the device 11‘, is necessary.
The stack 19 is recessed as at 80; and the binder
8| engages with the stack perforations 82 and
the backing perforations 83. During the thread
ing of the binder into association with the ele
ments, the device 18 is applied so that when the
binder is ?nally in position the device 18 is not
at the extreme end of the binder but near the
end, and on the reverse side of the backing 83.
The rotation of the binder‘ is ?nally limited by
the encounter of the device 18 with the rear of
the perforations B4 and the front of the perfora
tions 85. However it will be understood that
while the device 18 has been shown on the reverse 25
side of the backing, that it might be positioned
on the obverse side and in one of the recesses,
the right hand recess 80, for instance, with the
same effect.
While I have illustrated the stack as having 30
portions thereof cut away so as to expose the
backing, it will be obvious that the same result,
namely that of engagment of the stop portions
on the spiral element with portions of the back
ing instead of the stack, will be attained by leav 35
ing the stack of rectangular form and providing
portions on the backing extending beyond the
stack.
'
In Figure 5 I have shown a construction in
moved if desired. They consist essentially of a
substantially cylindrical body with a longitudinal
bore therethrough and with spring means and
clamps on the interior of the bore for locking
the body onto the end of the wire 12. Each device
11 is, of course, removable by an adjustment
which releases the jaws and thereby permits it
to be withdrawn endwise from .the binder 12.
ing through perforations 98 in the cover 92, the 45
perforations 96 in stack 90, and perforations 99 of
The devices 11 serve, in e?ect, as a means for
backing 93, binds the assembly together.
which a cover or backing is added to a backing 40
such as shown in the remaining ?gures of the
drawing. In this ?gure 90 indicates the stack,
93 the backing, and 92 the aforementioned added
cover or backing.
The spiral element 94 pass
destroying the smooth continuity of the spiral
The cover 92 may be contoured like the back
‘ at both ends of. the binder and they are e?iciently
ing 93, or like the stack, and it willbe obvious
that it may be used in connection with any of
the heretofore described constructions.
In general, it will be understood that'the rami
50 arranged within the recesses 14, so that they do
not interfere with the freedom of movement or
adjustment of the sheets of the stack.
Instead of using removable stops on both ends
of a spiral binding element, such as the tie pin
65 clasps 'I'I of Figure 3, it is obvious that for cer
tain purposes it will be found convenient to use
a removable stop on one end of the spiral ele
ment only, while the other‘end may be deformed
in any such suitable or preferred manner, as
shown in Figure 1, for example.
By the use of two removable stop devices, one
at each end, removal of sheets from or inser-.
tion of sheets into the stack is made easier than
if one end is provided with a permanent stop.
?cations of my invention are considerable in
number, and that the illustrations and descrip
tions herein contained are obviously given in large 55
measure merely for the purpose of illustration.
It will be understood that changes in the details
herein described and illustrated, for the purpose
of explaining the nature of my invention, may be
made by those skilled in the art without depart 60
ing from the spirit and scope of the invention as
expressed in the appended claims. It is, there
fore, intended that these details be interpreted
as illustrative, and not in a limiting sense.
65 Referring to Figure 3, for instance, if it is de
Having thus described my invention and illus 65
sired to remove the top sheets of the stack, this ' trated its use, what I claim as new and desire to
may be most conveniently done by removing the _ secure by Letters Patent, is:stop ‘II at the left of Figure 3 and unscrewing
l. A binding construction for a stack of sheets
the spiral element 12 toward the right of the having a row of uniformly spaced perforations
?gure. The top sheets may then be removed along one edge thereof, a relatively rigid backing 70
while the left terminal portion of the spiral ele— adapted to overlie said stack, said backing hav
ment is still in the extreme right hand perfora
ing a row of uniformly spaced perforations ad
tion of the stack and still holding the sheets to jacent one edge thereof, said respective perfora
some degree ' in registration. Sheets, at the
tions in the stackand the backing being adapted
75 back of the stack however, cannot be removed to register and to receive therewithin, in threaded 75
2,123,149
relation, a spiral binding element, and said per
3
stack and backing, the corners of the stack being
forations in the backing extending beyond the
cut away so as to expose the end perforations of
perforations in the stack, a spiral binding element
extending through the ‘perforations of the stack
CH and the backing so as to hold them together in
the backing, a spiral binding element threaded
through said perforations, the said binding ele
bound relation, and at‘ least one end of said ele
ment extending through an end perforation of
said row of perforations in the backing, and
means on said binding element positioned beyond
10 the con?nes of the stack but within the con?nes
of the backing for preventing disassociation of
said binding element from the stack.
'
2. A binding construction for a stack of sheets
having a row of uniformly spaced‘ perforations
along one edge thereof, a relatively rigid backing
adapted to overlie said stack, said backing hav
ing a row of uniformly spaced perforations ad
jacent one edge thereof, said respective perfora
ment being of sufficient length so as to pass
through at least one of said exposed perforations
of the backing, but not ‘to extend beyond the
ends of said perforated edge of the backing, and
means on the binding element positioned beyond
the con?nes-of the stack for preventing disasso
ciation of the binding element from the‘stack.
6. In combination with a stack of sheets, a
backing therefor, a row of uniformly spaced per
forations adjacent one edge of said combined
stack and backing, the corners of the stack being 15
cut away so as to expose the end perforations of
the backing, a spiral binding element threaded
through said perforations, the said binding ele
tions in the stack and the backing being adapted ment being of su?icient length so as to pass
through at least one of said exposed perforations 20
20 to register and to receive therewithin, in thread
ed relation, a spiral binding element, and said of the backing, but not to extend beyond the ends
perforations in the backing extending beyond the ‘ of said perforated edge of the backing, and por
tions of the binding element positioned beyond
perforations in the stack, a spiral binding ele
ment extending through the perforations of the the con?nes of the stack being deformed from
25 stack and the backing so as to hold them to
gether in bound relation, and the ends of said
element extending ‘through the end perforations
of said row of perforations in the backing, and
means on the ‘respective ends of said binding
30 element and positioned beyond the con?nes of
the stack to prevent disassociation of said ele
ment- from said stack.
3. A binding construction for a stack of sheets
having a row of uniformly spaced perforations
35 along one edge thereof, a relatively rigid backing
adapted to overlie said stack, said backing hav
ing a row of uniformly spaced perforations adja
cent one edge thereof, said respective perfora
tions in the stack and the backing being adapted
40 to register and to receive therewithin, in thread
ed relation, a spiral binding element, and said
perforations in the backing extending beyond the
perforations in the stack, a spiral binding ele
ment extending through the perforations of the
45 stack and the backing so as to hold them to
gether in bound relation, and at least one end of
said element extending through an end perfora
tion of said row of perforations in the backing,
and portions of said last-named end of said ele
their normal contour into such a con?guration 25
as to prevent disassociation of the binding ele
ment from the stack.
7. In combination with a stack of sheets, a
backing therefor, a row of uniformly spaced per
forations adjacent one edge of said combined 30
stack and backing, the‘ corners of the stack be
ing cut away so as to expose the end perforations‘ '
of the backing, a spiral binding element threaded
through said perforations, the said binding ele
ment being of sufficient length so as to pass 35
through at least one of said exposed perforations
of the backing, but not to extend beyond the
ends of said perforated edge of the backing, and
means removably positioned on portions of said
binding element beyond the con?nes of the stack,
and adapted to prevent disassociation of the bind
ing element from the stack.
8. In combination with a stack of sheets, a
backing positioned on each side of said stack,
a row of uniformly spaced perforations adjacent 45
one edge of said combined stack and backings, the
corners of the stack being cut away so as to ex
pose the end perforations at at least one side
of the backing, a spiral binding element threaded
50 ment positioned beyond said ‘ stack being de
formed from their normal contour so as to pre
through said perforations, the said binding ele
vent their passage through said perforations.
through at least one of said exposed perforations
of the backing, but not to extend beyond the ends
of said perforated edge of the backing, and means
positioned within the con?nes of the backing
but without the con?nes of the stack, for pre
venting disassociation of said element from the
stack and the backing.
4. A binding construction for a stack of sheets
having a row of uniformly spaced perforations
55 along one edge thereof, a relatively rigid backing
adapted to overlie said stack, said backing having a row of uniformly spaced perforations ad
jacent one edge thereof, said respective perfora
‘tions in the stack and the backing being adapted
60 to register and to receive therewithin, in threaded
relation, a spiral binding element, and said per
forations in thelbacking extending beyond the
perforations in the stack, a spiral binding ele
ment extending through the perforations of the
ment being of sufficient length so as to pass
9. A binding construction for a stack of sheets
having a row of uniformly spaced perforations 60
along one edge thereof, a relatively rigid backing
adapted to overlie said stack, said backing hav
ing a row of uniformly spaced perforations ad
jacent one edge thereof, said respective perfora
tions in the stack and backing being adapted to 65
stack and the backing so as to hold them to
gether in bound relation, and at least one end of ~ register and to receive therein in threaded rela
said element extending through an end perfora
tion a spiral binding element and said perfora
tion of said row of perforations in the backing, tions, in the backing extending beyond vthe per
and a means of such dimensions that it cannot
forations in the stack, a spiral binding element
pass through said perforations removably posi
extending through the perforations of the stack 70
tioned on the said last-named end of said ele
ment, beyond the con?nes of the stack.
5. In combination with a stack of sheets, a
backing therefor, a row of uniformly spaced per
and the backing so as to hold them together in
binding relation, and at least one end of said
element extending into at least one‘ of the per
75 forations adjacent one edge of said combined
forations in the backing that extend beyond the
perforations in the stack, and means on said 75
4
2,128,149
binding element positioned beyond the con?nes of
the stack but within the con?nes of the backing
for preventing disassociation of said binding ele
ment from the stack.
10. In combination with a stack of sheets, a
backing therefor, a row of uniformly spaced per
tion as to prevent disassociation of the binding
element from the stack.
12.. In combination with a stack of sheets, a
backing therefor. a row of uniformly spaced per
forations adjacent one edge of said combined
stack and backing, said backing having perio
forations adjacent one edge of said combined
rated areas thereof extending beyond the stack
stack and backing, said backing having perfo
rated areas thereof extending beyond the stack
10 ‘PO as to expose the same, a spiral binding element
so as to expose the same, a spiral binding element
threaded through said perforations, the said
binding element being of sufficient length so as to
pass through at least one of said exposed per
forations of the backing, but not to extend beyond
15 the ends of said perforated edge of the backing,
and means on the binding element positioned be
yond the con?nes of the stack for preventing
disassociation of the binding element from the
stack.
20
11. In combination with a stack of sheets, a
backing therefor, a row of uniformly spaced per
forations adjacent one edge of said combined
stack and backing, said backing having perfo
rated areas thereof extending beyond the stack
Ni Ci! so as to expose the same, a spiral binding element
threaded through said perforations, the said
binding element being of su?icient length so as to
_ pass through at least one of said exposed per
30 forations of the backing, but not to extend beyond
' the ends of said perforated edge of the backing,
and portions of the binding element positioned
beyond the con?nes of the stack being deformed
from their normal contour into such a con?gura
threaded through said perforations, the said
binding element being of su?icient length so as 10
to pass through at least one of said exposed per
forations oi.’ the backing, but not to extend beyond
the ends of said perforated edge of the backing,
and means removabiy positioned on portions of
said binding element beyond the confines of the 15
stack, and adapted to prevent disassociation of
the binding element from the stack.
13. In combination with a stack of sheets, a
backing positioned on each side of said stack, a
row of uniformly spaced perforations adjacent 20
one edge of said combined stack and backings,
said backing having, perforated areas thereof
extending beyond the stack so as to expose the
same, a spiral binding element threaded through
said perforations, the said binding element being 25
of sufficient length so as to pass through at least
one of said exposed perforations of the backing,
but not to extend beyond the ends of said per
forated edge of the backing, and means posi
tioned within the con?nes of the backing but
without the con?nes of the stack, for preventing
disassociation of said element from the stack and
the backing.
WALTER. GRUMBACHER.
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