close

Вход

Забыли?

вход по аккаунту

?

Патент USA US2129109

код для вставки
Sept. 6, 193's,
'
'
R0, UNGER
‘
v3,129,109
LOOSE LEAF BINDER
Filed Aug. '27, 1936
\\
1
- 2 Sheets-Sheet 1
W
‘
‘
_
Paul O. U
B7"
Sept. 6, 1938;
P. o. UNGER
2,129,109
LOOSE LEAF BINDER
Filed Aug. 27, 1936
2 Sheets-Sheet 2
Patented Sept. 6, 1938
2,129,109
‘UNITED STATES
PATENT OFFICE
2,129,109
LOOSE LEAF BINDER
Paul 0. Unger, Elmhurst, Ill., assignor to Wilson
Jones Company, Chicago, Ill.,' a corporation of
Massachusetts
Application August 27, 1936, Serial No. 98,121
4 Claims. (Cl. 129-17)
This invention relates to loose leaf binders and plate I’! secured to the plates l6 and the ends
more particularly to prong binders.
I2, i3 of the plate II.
It is an object of this invention to provide a
The plates H and Il are provided with a plu
loose leaf binder which will permit the sheets rality of registering apertures l8 and I9 adja
5 to lie perfectly ?at when the binder is opened. cent each end of the plates. The apertures i8 5
It is a further object of this invention to pro
and I9 are so positioned that when the binder
vide simple and efficient means for holding the is closed the projections 8 pass through the ap
binder in closed position that may be readily ertures l9 and into the apertures l8. In this
released to permit opening of the binder. Other position the shoulders l0 engage a locking bar
10 objects of this invention will become apparent 20 adjacent one end of the apertures I9.
10
upon reading the following description, taken
The locking bar 20 is slidably mounted in the
in conjunction with the accompanying drawings, compartment Ill. The bar 2!] is slightly bowed
in which
at its center, as indicated at 2|, providing suf
Figure l is a perspective view of the loose ?cient friction to prevent the bar from sliding
15 leaf binder in open position with the sheets re
too freely. The bar is provided with a projec 15
moved.
tion 22 adapted to engage a pair of apertures 23
Figure 2 is a cross sectional view of the binder and 25 to help hold the bar in either looking or
in closed position.
inoperative position. A member 25 provided with
Figure 3 is a longitudinal sectional view taken a pair of tongues 26 is rigidly secured to one
2 O along the line III—III of Figure 2; and
end of the bar 29. If desired the member 25 20
Figure 4 is a top plan view of the binder with could be made integral with the bar. The mem
portions broken away to facilitate illustration of ber 25 is suf?ciently wide that the inner edges
the structure.
of the plates l6 act as guide rails to prevent
In the drawings, the reference numeral 2 in
lateral
movement of the locking bar. A pair of
2 dicates a back member to each longitudinal edge
tongues 21 similar to the tongues 26 is provided 25
of which a. strip 3 is hingedly connected. Each on a. member 28 rigidly secured to the bar 20 at
strip 3 has a cover member 4 hinged along its its opposite end. The member 28 is bent up
outer longitudinal edge. The hinges are so ar
wardly, as indicated at 29, to form a ?nger pull
ranged that the back member, the strips 3 and to facilitate manipulation of the locking bar.
30 the cover members all lie in the same plane
The tongues 26 and 21 each project in the 30
when the binder is open.
A prong carrying plate 5 is rigidly secured to
each strip 3. The plate has a plurality of curved
sheet retaining prongs 6 secured thereto in any
3 UK suitable manner. The sheet retaining prongs
are spaced off center so that no rights or lefts
are required in assembling the binder and the
prongs on opposite sides of the binder will not
engage each other when the binder is closed.
40 Each prong carrying plate is provided with a
?ange 1 at each end. The ?anges ‘I each have
a projection 8, an aperture 9 in said projection,
and a shoulder Hi, all for a purpose to be here
inafter described.
The back member 2 has a flat plate member
I I secured thereto in any suitable manner. The
ends of the plate II are bent upwardly, as in
dicated at l2 and [3 to help form a shallow com
50 partment M. The end I2 is recessed, as indi
cated at l5, for a purpose hereinafter described.
A pair of ?at plates iii are secured to the plate
H and extend longitudinally thereof to form the
side walls of the shallow compartment M. The
55 top Wall of the compartment I4 comprises a flat
same direction and are adapted to pass into and
out of the apertures 9 to lock the binder or to
permit it to be opened. The movement of the
bar in one direction is limited by the engagement
of the ?nger pull 29 with the end of the plate 35
ll. The plate I‘! is provided with a depending
projection 30 adapted to engage the inner edge
of the member 25 to limit the movement of the
locking bar‘ in the opposite direction.
The operation of the binder is quite simple. ‘10
When the binder is in open position the prongs
are spaced apart and a plurality of sheets 3!
may be impaled upon the prongs. When the
binder is closed the ?nger piece 29 is pushed in
wardly to lock the prongs in the position shown 45
in Figure 2. An outward pull on the ?nger piece
releases each of the apertures 9 from the tongues
26, 21 and permits movement of the binder to
open position.
As can be seen from the illus
tration of Figure 1, the sheets will lie perfectly 50
?at when the binder is in open position, and they
may be manipulated with ease.
While I have described a single embodiment
of my invention in detail, it will be understood
that the description is illustrative, rather than 55
2,129,109
2
restrictive, as many details may be modi?ed or
changed without departing from the spirit or
scope of my invention. Accordingly, I do not
desire to be restricted to the exact construction
plates adapted to engage said projections to hold
said binder in closed position.
3. In a loose leaf binder, a back member, a
described, except as limited by the appended
pair of superimposed plates secured to said back
member, said plates having a plurality of regis
claims.
I claim:
projections adapted to enter said apertures when
1. In a loose leaf binder, a back member, a
shallow compartment parallel to said back mem
10 bar, a pair of prong carrying plates hingedly
mounted adjacent opposite edges of said back
member, a projection on each of said prong plates
adapted to pass into said compartment when the
binder is in closed position, and means in said
15 compartment adapted to cooperate with said pro
jections to hold said binder in closed position.
tering apertures, a prong plate provided with
the binder is closed, said projections each hav
ing an aperture positioned between said super
imposed plates, and a locking bar having a plu 10
rality of ?ngers adapted to engage said last men
tioned apertures to hold said binder in closed
position.
4. In a loose leaf binder, a back member, a
shallow compartment parallel to said back mem 15
ber, a pair of prong carrying plates hingedly
mounted adjacent opposite edges of said back
2. In a loose leaf binder, a back member, a pair
member, a projection on each of said prong plates
of superimposed plates secured to said back mem
ber, said plates having a plurality of registering
20
apertures, a prong plate provided with a projec
tion at each end, said projections being adapted
to enter said apertures when the binder is closed,
and means positioned between said superimposed
the binder is in closed position, and a locking
bar in said compartment, said locking bar being
slidable longitudinally to cooperate with said pro
jections to hold said binder in closed position.
PAUL O. UNGER.
adapted to pass into said compartment when
Документ
Категория
Без категории
Просмотров
0
Размер файла
317 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа