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Патент USA US2107868

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Feb. 8, 1938.
Filed April 19
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2 Sheets-Sheet l
Feb. 8, 193s.
Filed April 19
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2 Sheets-Sheet 2
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Patenten-“es s, 1938 ~
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STAT-Es PATENT orifice
McGlure,. Syracuse,^N. Y., assignor to
McMillan Book Company, Syracus
`corporation of New lYork
N. Y., a.
Application April `19, 1934,(s`erial No. 721,319
3 Claims. (Cl. 12a-»3).v
_This invention relates to improvements ‘for rof the binder illustrating the same in the fully
jloose», leaf bindersin which an extensible> back opened position.
`member'is provided with reversely arranged leaf
'impalingmembers or'posts.
Figure 91is a detail sectional view taken on line
’9_9, Figure 8.
An'object of the Ainventlonisvrto provides, loose
leaf vbinderfcomprising twozbaîckior cover sections
»whichìareimovable relative Yto each othenzto vary
o zthe'zleaf. carrying capa'cityï‘ofA the binder;Y
' '
The binder as illustrated in the drawings com Ci
prises -covers l»- and 2,’formed in any suitable
manner'and which ,are hingedly connected as at
3 and 4 to a respective back section 5 and v6 pref
wi :Another object of ther inventionv is to ,provide
, t0 1a= 'loose leaf 'binder of the above mentioned -class
erably constructed of sheet metal.
These backv sections 5 and 6 are L shape in ll)
o _îwith simple `and eflicacious means forjreleasably A y'cross sectionV and are arranged with thecwider
* limiting* the »'separati'ng».- movement. 'of the; binder legs as 5" and 6’ normally positioned one over
-sections,lwhereby said sections mayjbezmoved' to >a _' ¿the other injuxtaposed relation, while the shorter
_?maximum extended position beyond- the» full Aleaf legs as 5" and 6k"` of the sections are arranged
V'115i coniini?g-“position where 'the leaves maybe re
‘aty the outer edges of the corresponding wider
legs adjacent the respective covers i or 2 and to
extend inwardly therefrom. Each leg 5'.’ and 6"
n :moved from-¿the leafv impalingv members 'or placed
»A further object resides-finproviding theïbinder , yhas the outer. longitudinal edge thereof return
:sections with hinge meansY effective whenîthe'sece fbent as'at B tofreinforce the same. To each leg
~ «ff-j@ ‘tionsare'in the maximum extended4 position yto. of,
in this and
6’ are two,
secured along
, «permit said fsectionsto èbe; moved; into angular rek? vn_ie‘rnbert’
» ¿lation wii'ereby'ïthe ' removal of; the =leaves from'oi' limpaling‘ members orA posts l0, positioned‘one
tithe; placement ofiA theN leaves in'uthe‘ binderI "is near a respective end thereof, and a relatively
`short leaf-'impaling member or post Il positioned
ep; 11 4Other» objects andzadvantages pertaining'to the intermediate Vthe end posts I0 substantially mid- _
. specific' parts of the deviceiwillbe broughtr out'fi'n way between the ends of the corresponding back
section.¿ The intermediate posts H are obviously
y v-thefollowing description >talcenin connection wit
.the accompanying drawings, in which: i
. '
Í A'Figure lis a topoplan vlew of a loose’leaf binder ,
‘53u embodying the various featuresrof' this invention,v
'ftheoiiter portions of the coversvv being broken
awayfand'the >'sections of'the'binder being shown '
. f inthe contracted position.
\ '
in lineV with'v each other and are of such a length
thaty when the back sections 5and 6 are in their
innermost- or fully contracted position, the inner ,f'
ends thereof will terminate in slightly spaced re~
lation, as- illustrated in Figure 5. The posts l0
` positioned at either end of the back sections are
" Figure vv2‘is a plan view ofthe binder rsimilar to
` uat shown in» Figure’landïlllustrating' the binder
arranged in offset relation and are of such a
length that when the sections are in the inner- «
most or> fully contracted position, they will ex'
tend-from the leg to which they are attached to
leaves, one of the sections being'- illustrated by within a relatively short distance of the opposite
legr asillustrated in Figure 1, it being understood
broken lines in the :position assumed vwhen fully ~ that
the posts lßand II are spaced longitudinal
¿sections b_y fulljlines in'thepartially extended
ilp'osition adapted to receive its’full capacity of
.A 'Figure-8 is an enlargedy transverse sectional
o view ¿taken on line> 3_3; Figure 2', illustratingv the
binderfsections'inthe fully extended position by ~
‘Y 1y> of the sections so as to readily receive'suitably
perforated leaves thereon in the conventional
At each‘endof the back section 5 is provided
1,» full 1ines,~and Vin angular" relation in‘- the fully anl upstanding guide or hinge member i4 having ,
' Í’ opened _position bybroken lines.
Y aside and end provided with inwardly extend,
Y, .'¿.F_.i`gur.e.4f is a detail horizontal sectional „view ing.l laterally disposed flanges I5, which are se
, Ytaken on linev 4_4, Figure 3.'
@Figure 5. is an enlarged. transverse sectional
'.50 `[view taken on line 5_5, Figure w1.
' ‘
g Figure~6 is an enlarged"detaillongitudinal sec
tional viewtaken online 6_6;` Figure 1.
cured by spot welding, rivets, or the like, to the
adjacentA portions of the legs 5' and 5” of the
section. These guide members I4 are of sub
stantially the same length as the wider leg 5’ of
»the section and each is provided with a slot I6,
Y ` " Figure `'7"' is a detail’V horizontal’V sectional> view
whichextends longitudinally therethrough with '
the ends of the slot terminating a relatively short
.55 y'oîìl'llgure 8 is aV perspectivevlew of an end vportion
@1Std-nge from the corresponding ends of the
taken on yline .1_1, >Figure’ö;-
guide member. The upper longitudinal edge of
the guide member I4 has a portion thereof re
I have provided a releasable >stop mechanism
adapted to carry a maximum number of leaves,
turn bent to form a guide channel I8 at the inner
which in this instance comprises an inwardly ex
face of said member. `
tending lug 28 formed in this instance by pressing
The other back section as 6 is also provided
at either end thereof with a guide or hinge mem
up a portion of the leg 5’ of the outer positioned
section 5.
ber I9, normally positioned adjacent the inner
This stop lug 28 yis formed in closeproximity
to the inner edge ,of the, _leg 5’ substantially mid
way between the ends Í'thereof. The lug extends
face of the corresponding guide member I4 with
the upper longitudinal edge thereof registering
10 in the respective guide channel I8. These guide
members I9 are also provided with inwardly eX,
inwardly through an elongated slot 29 which ex
, tends inwardly from the outer or free longitudinal
tended lateral flanges as 2Q which are secured as edge or" the leg 6’ of the inner positioned section 6.
by rivets, spot welding, or the like, to the adjacent ' ‘ A latch 33 is pivotally mounted intermediate
portions of the back section 6. The inner or free
15 end of each guide member I 9 has secured thereto
a shouldered pin 22, which travels in the adjacent
slot I6 provided in the other guide member I4.
It will now be observed that the guide members
I4 and I9 and, therefore, the back sectionsil and
6, are slidably and pivotally securedy together by
the slot and pin connection, so that when-the
sections are fully extended with the pins 22 po
sitioned at the outer end of the slots I6, the sec
tions may be rocked relative to each other about
25 the pins as a pivot, until the sections assume a
more or less tilting or angular position krelative
to each other as clearly illustrated in Figure 8
and by broken lines in Figure 3.
In order that this tilting action of the sections
30 may be freely permitted, one of thesections as i5
has the wider leg 6’ thereof somewhat shorter
in width thank the corresponding leg of the other
¿of _the latch will extend across the slot 29 in the
path of movement of the stop lug 23 for engag
ing said lugl and preventing further outward rela
tive Vmovement of the back sections. The latch
30 may- be manually moved out of the path of 20
movement of the lug 28 through the medium- of
a slide bar 32 and link 33. The slide bar 32, in
this instance, is positioned adjacent the inner
face of the leg 5” of the section 5, and is slidably
secured to said leg by a pair 'of pin and slot con
nections illustrated at'3íl, Figures 4 and 6.
The outer end of the slide bar 32 extends out
wardly through a slot .provided between the inner
end of the guide IS-‘and leg 6€ ' beyond said guide
member and is bent laterally to form a ñnger
piece 32', by which the slide may be readily moved
longitudinally. -The inner end of the slide bar 32
section, so that when the sections are fully ex- , is provided with a recess 34’ at the inner longi
tended, the adjacent edges of the legs 5’ and I5’ tudinal edge thereof adap-ted to receive one end
will be spaced apart sufliciently to permit said of the link 33 therein. The other end of the
edges to pass without coming into contact with `link33~is pivotally connected as at 35 to the
each other.
inner end of the latch 3B, while the end of the
Further, the guide members I9 on the inner 'link‘33‘adjacent the slide bar 32 is slidably con
section 6 may, as shown inA Figures 3 >and 8, be nected to the leg 5'. bya pin and slot connection
36, see llí‘igure 6. In order» that the latch 30 may 40
provided with recesses or notches 24, in the vbot
tom edge thereof adapted to receive the adjacent be automatically>A restored toits operative posi
portion of the inner longitudinal edge of the leg tion in the path of movement of> the> lug 28, as
5' of the other section. These recesses or notches the back sections are moved inwardly toward each
24 are not only of such a depth as to >permit an other, from the fully extended position, the in
additional pivotal movement of the sections, but ner end of the latch adjacent the pivot 35 is 45
the inner ends thereof form stops engaging the formed with -a cam surface 3il'=adapted when the
legs 5’ for limiting the tilting movement of the oppositev end of the latch is moved out of the op
sections and preventing the longitudinal edge of erative position in the path of movement of the
the leg 6’ coming into contact with the leg 5’ lug 28, to move across the slot 29 in the path of
and becoming bent or damaged thereby. ‘The leg movement of said lug so as to be engaged thereby -50
5'v of the section 5 may, as shown in Figures 8 as said ,lug moves inwardly and thus cause the
and 9, be provided with a metal abutting clip 25 latch to be rocked about the pivot 3| to the oper
at either end thereof adapted to engage the guide ative position.
member I9. These abutting clips may extend
It will now be observed that the relation of the
over the material 26 such as leather, cloth, or the lug A28 and latch 30 are such that when the back 55
like, which is usually applied to the outer surface .sections are, maintained thereby in the parallel
of the sections 5 and 6 to protect such material as extended position Vwhere >the binder is adapted
the leg 5’ moves into engagement with the guide to carry the maximum number of leaves, the leg
member I9. ’I‘his tilting of the back sections 5 members 5’ and 6' >of said sections will be main
and 6 to the open position shown in Figure 8 and _ tained with their inner longitudinal edges in 60
also by broken lines in Figure 3 is for the purpose overlapping relation, so that, althoughvthe back
of moving the posts I 0 connected therewith out sections are moved outwardly relative vto each
of parallel planes into planes extending substan
other, there will:> be no space appearing, from the
tially at right angles to each other, with the ends outside, between the'back sections, and that the
of the posts of each section sufñciently spaced binderr will present substantially the same gen V65
from the corresponding post of the other section
to permit the leaves to be readily remo-ved from
the said posts or placed thereon.
The moving of the back sections 5 and 6 rela
70 tive to each other is also utilized to enable the
binder to be readily adjusted to a greater or less
Width, whereby the leaf carrying capacity of the
its ends as at 3i to the leg 6’ of the inner sec
tion adjacent the slot 23, so that the holding end
,eral appearance Yfrom the outside as when the
sections are in their innermost contracted posi
It will also be readily understood that when it
is desired to addv leaves to the binder or to re 70
move leaves therefrom, it is only necessary for
binder may be increased. In order that the ex
tension of the sections may be limited at an in
the operator to press lightly on the ñnger piece
32’ to effect the 'inner longitudinal movement of
the slide bar 32,7whereupofnl the latch 3Il'will re
termediate position thereof, where the binder iS
lease the stop lug 28 as illustrated by broken 75
lines, Figure 2, and permit the sections to be
and thence angularly about the pins 22 as a
pivot to the full open position. When it is again
desired to close the binder, it is only necessary
to rock the sections 5 and 6 about the pins 22 to
with the back sections and adapted to secure
leaves in the binder during the extension of said
sections within certain limits, releasable cooper
ating means associated with the back sections
adapted to limit the relative movement thereof, 5
hinge means connecting the back sections and
again bring them into co-operative alinement,
effective when said back sections are in fully ex
after which the sections may be readily moved
tended position to permit said back sections and
the elements connected therewith to swing into
angular position, and one back section having 10
slots therein adapted to cooperate with the other
of said back sections for limiting the angular
movement of the back sections relative to each
moved outwardly to the fully extended position
y inwardly toward each other to the fully collapsed
or leaf retaining position.
Although I have shown and particularly de
kscribedthe preferred embodiment of my inven
tion,ïI do not wish to be limited to the exact con
struction shown, as various changes in the form
and relation of the parts thereof may readily be
Vmade without departing from the spirit of this
invention as set forth in the appended claims.
I claim:
3. Aloose leaf binder comprising a pair of 15
superposed back sections mounted for movement
relative to each- other and adapted to have
various positions relative to each other, a closed
position, an extended position, and a position
substantially at right angles to each other, said 20
l. In a loose leaf binder, an extensible back
comprising a pair of superposed back sections,
guide plates connected with the back sections and binder being constructed and arranged so as to
slidably mounted adjacent each other, means' enable said back sections to be manually moved
connecting said guide plates comprising a slot in into said relationships, a latch operatively con
one ofthe said plates, and a pin secured to the
nected with one back section and a latch-engag
other plate and movable in said slot whereby the
ing member operatively connected to the other 25
back section, said latch and latch engaging mem
collapsed position in superposed relation to anl ber being in operative engagement in said ex
extended position in transversely spaced relation, tended position and being movable out of en
one ~of said plates being provided with a recess gagement to enable the back sections to be moved
` adapted to receive therein the adjacent portion to the angular relationship, said latch having 30
of the back section secured to the other plate, cam means associated therewith engageable with
» whereby saidback sections may swing about the the latch engaging member for moving the latch
pin as a pivot into angular relation.
back into position to engage said latch-engaging
2.'In a loose leaf binder, an extensible back member when the back sections are moved from
„member comprising a pair of superposed back the angular relationship to the closed position.
sections mounted for movement relative to each
K back sections may be moved outwardly from a
other, coacting leaf-impaling elements associated
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