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Патент USA US2412085

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Dec. 3,‘ 1946. ,
D. P. GLUSH VETALY
'
SHEET
STACKER
Filed Sepf. 17, 1942
I
’ 2,412,085
'
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Dec.» 3,‘ 1946.
2,412,085
D: P. GLUSH ETAL
SHEET STACKER
Filed Sept. 17. 1942
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‘Dec. 3, 1946.
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D. P. GLUSH ‘ET AL
SHEET STACKER
Filed Sept. 17, 1942
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2,412,085
Patented Dec. 3, 1946
UNITED‘ STATES ‘PATENT OFFICE
2,412,085
_
srmnr srscmm
Daniel P. Glush and Julius A. Clauss, Detroit,‘
Mich., assignors to National Steel Corporation, v
a corporation of Delaware
.
'
Application September 17, 1942, Serial No. 458,746
18 Claims. (Cl. 271-86)
1
,
supported in brackets I1
2.. and IS. A pair of re
This invention relates to sheet handling or
piling apparatus, and more particularly to ap
paratus for stacking metal sheets or plates uni
silient members l9 are slidably and pivotally
mounted by means of slidable hinge members 54
formly in a pile or stack as they are delivered
on rod l6 and a more detailed description of the
from a sheet‘ handling operation.
construction and function of these resilient mem
' An important object of the present invention
bers will appear as the description of the appa
is to provide an apparatus for piling sheets and
ratus proceeds.
which is operative to pile sheets evenly with their
'Located between the two sets of floor convey?
lateral and end edges in vertical alignment so
ors and suitably supported .thereabove is a rail
that the finished pile of sheets presents the ap 10 or guide member 20 on which the margins of the
sheet adjacent the slit edge are adapted to ride
pearance of a rectangular block having smooth and
even faces. The ability of the apparatus to form
as the two sections of the slit sheet emerge from
the slitter. The rail 20 is suitably supported at
a smooth and even pile of this character is of
its forward end by a vertical supporting post 2|
great utility when the piled ‘sheets are to be
subsequently annealed as the danger of burning
secured to a. horizontal beam 22. ‘ At its other end‘
rail 20 is supported by a bracket 25 which in turn
the edgesof projecting sheets during the anneal
,is suitably supported on or adjacent the slitter.
ing process, which is always present when the
A pair ol'supporting rods 23 and 24 are mounted
sheets are unevenly piled, is thereby eliminated.
at each side of rail 20 and run substantially par
Further objects of the invention are to provide
a machine for piling sheets which is readily ad 20 allel therewith. Bracket 25 carries ears 26 sup
porting rods 23 and 24 at the entrance end of the
justable to accommodate sheets of different
apparatus and a pair of supporting members 21
widths and lengths and which is of relatively sim
ple construction and not liable to get out of order
and 28 resting on post 2| support the rods at the
under conditions of use.
other end of the apparatus.
'
-
~25
Resilient members 29 are slidably and pivotally
mounted on rods 23 and 24 by means of slidable
tion will become apparent as the following de
hinge members 55. A post I8 having a base mem
tailed description proceeds taken in conjunction
ber 51 is mounted on the upper ?ange of bee
with the accompanying drawings wherein:
'
22. Base member 51 carries a pair of spacer ele
Figure 1 is a plan view of a piling apparatus
30 ments 58 slightly less in thickness than the upper
embodying our invention.
?ange of beam 22. By means of clamping strips
Figure 2 is a. side elevation thereof.
a
59 and bolts 60, post 56 is clamped in any desired
Figure 3 is an end view of the piling apparatus‘
positlon'along beam 22. As bestshown in Fig
looking in the direction opposite to the direction
Further objects and advantages of the inven
in which the sheets move from the slitting ma
chine.
-
Figure 4 is a sectional view taken on the line
4-4 of Figure 1.
'
ures 2 and 5, Post 56 carries an abutment member
8| on each side. Each resilient member 29 car
ries a pivoted pin 30 which enters a coil spring
3|. Adjusting nuts 82 engage one end of the
spring. The other end of spring 3| is connected
5—5 of Figure 1.
to an abutment contact member 63, Pin 30 passes
Referring to the drawings in detail and par 40 freely through’ contact member 63 and abutment
member 8|. Adjustment nuts 82' on this end
ticularly to Figure 1, the sheet slitter (not shown)
of pin 30 hold spring 3| in compression. Thus,
which may be of any conventional form is sta- '
movement of resilient member 29 toward post 58
tioned at the left of and closely adjacent the
is resisted-by spring 3|. Although Figure 5_ is a
piling apparatus generally designated by the nu
section taken at 54-5 in Figure 1, this figure also
meral Ill. The piling apparatus comprises a plu
constitutes an accurate showing looking at the
rality of’ side frames ll, l2, l3 and I4 mounting a
opposite side of post 5!.
.
plurality of rollers l5 forming'a roller type ?oor
Referring to Figure 2; a similar arrangement
conveyor. As seen in Figures 1, 3 and 5, two sets
provides a limited resilient movement to each of '
of floor conveyors are provided, one'set compris
plates l 9. As seen in this figure, pin 32 is pivoted
ing frame members I l and I2 together with a plu
to the inner lower end of plate l9 and passes
rality of rollers l5 and the other set comprising
through bracket 33. Spring 34 provides the re- -'
frames l3 and I4 together with a plurality of
siliency to plate l9.
,
l
rollers l5.
A pair ‘of side rigid abutment members 35 are
Adjacent the entrance side of the apparatus
there is provided a supporting rod l8 suitably 55 suitably supported on each side of rail 20 as
Figure 5 is a sectional view taken on the line
2,412,085
3
4
the pile. Thus the resilient members 29 and I9
cooperating with abutment members 35 and 41
clearly shown in Figure 1: The supporting
framework for each pair of abutment members
form an even pile of sheets without any protrud
comprises a pair of cross bars 36 carried on the
side frame members with a pair of longitudinal
bars 31 adjustably mounted relative to the rail .20
on the cross bars by being welded or otherwise
ingedges in accordance with the primary object
of the present invention.
When it is desired to
. remove the stack of piled sheets, toggle braces 40
and 50 are operated to permit the plates 38 and
suitably fastened to plates 36'. The abutment
48 to be folded out of the way and the skids re
members 35 are carried by the longitudinal bars
moved on the roller type ?oor conveyor. It is
31 and by movement of these bars are adjustable
to and from the rail 20. The abutment members 10 also apparent that abutment members 35 and 41
and resilient members I9 and 29 may be moved
are also movable relative to each other along bars
to any desired position to accommodate sheets of
31. These adjustments are made possible by
sliding and clamping connection of plates 38'
different sizes.
‘
The curvature of resiliently mounted members
with cross bars 36 and plates 39 with longitudinal
bars 31. As indicated in Figure 1, such connec
tion may be in the form of bolts carried by the
l9 and 29 is such that each successive sheet is
positively urged toward the abutment members
no matter what the height of the stack may be.
plates and slidably received by the slots of the
This requires that these members have some
bars. As a result of this construction, the dis
curvature throughout ‘the dimension correspond- '
tance between abutment members 35 may be var
ied depending on the length of the slitted sheet 20 ing to the maximum desired height of a stack.
This curvature is preferably such that only the
sections or relative to the rail depending on the
last few sheets on the stack are contacted by the
' width. Each of the side abutment members
resilient members whereby they exert the maxi
comprises a vertical plate 38 pivotally connected
mum possible force on each new sheet fed to the
to a horizontal plate 39 which in turn is secured
to bars 31. A toggle brace 40 holds plate 38 in 25 stack. Considering Figure 5, it will be noted that
the weight of the sheets being stacked acting on .
vertical position but is so constructed as to permit
resilient member 29 forces this member to yield
plate 38 to be folded into substantially horizontal
position to enable the stack of plates to be'read
ily removed.
’
I
Referring to Figure 3, the toggle brace 40 com
' continually as the stack builds up. The slight
' curvature of resilientlmember 29'along the height
30 of the stack results in an increasing degree of
I prises upper and lower members 4| and 42 pivot
ally connected to each other at 43. Upper mem
ber 4| is pivotally‘ connected to vertical plate 38
at 44 and lower member 42 is pivotally connected
to horizontal plate 39 at 45. A stop 48 on an
extended portion of member 42 contacts the up
per surface of member 4| to limit the downward
movement of ‘the brace 48 and thereby hold the
compression in spring 3| as the height of the
stack increases. If the curvature of resilient
member 29 is too great‘too much movement of
spring 3| and its associated members will be nec
essary. Thus the optimum curvature is as ?at
as possible consistent with the above mentioned
function of exerting maximum force on the de
scending sheet.
'
'
While the invention has been shown in the
vertical plate in operative abutment position.
Upward pressure against the pivoted members 4| 40 preferred form, it will be obvious to those skilled
and 42 will cause said'members to fold on pivot
point “and thereby collapse plate 38 into hori
zontal position against plate 39.
_A further pair of abutment members 41 are
provided forwardly of the side abutment mem
bers 35 to form the end of each stack. Each
abutment member 41 comprises a vertical plate
48 pivotally connected to a bracing post 49. A
toggle brace 50 constructed similar to toggle
in the art that it is not so limited, but is suscep
tible of various changes and modi?cations, with
out departing from the spirit thereof, and it is
desired therefore, that only such limitations shall
be placed thereupon as are imposed by‘the prior
art or as speci?cally set forth in the appended
claims.
We claim:
‘
‘
_ l.- A sheet stacker for receiving and stacking
brace 48 is pivotally connected to plate 48 and 50 sheets having a plurality of straight edges com;
post 49 and serves to hold plate 48 in operative
prising a guide member for supporting a sheet as
abutment position. Inward movement of toggle
it moves into the stacker, a support to receive the
v brace 50 is limited by means of stop 5| which
corresponds to stop 46. ‘Movement of stop mem
ber 51 in a direction away from plate 48 will cause
plate 48 to be swung out of abutment position
when removal of the‘ pile of plates is desired.
As will be apparent from an inspection of the 1
sheets in ‘ ?at superposed position, abutment
members adapted to contact a plurality of the
r‘ edges of the sheet, curved members facing each
abutment member pivotally mounted above the .
support and extending downwardly to a point ad
jacent the support, means acting on each curved] '
drawings, the operation of the piling apparatus is
member to urge the lower end of the same toward.‘
as follows: The forward end of rail 20 lies di 60 the facing abutment member, the curvature‘ of a
curved member being not substantially greater
_ rectly. adjacent the sheet slitter (not shown) and
than that required to maintain the curved mem
as the two slit sections of the sheet leave the slit
ber in contact with the top sheet on the stack a
ter, the margins of the sheets adjacent the slit
all times during stacking.
V - r ‘
edge ride on the rail 28. When the sheet has
passed completely past the shear, the two por
. 2. A sheet stacking apparatus for receiving and
tions formed by the slit fall on each‘ side of the
rail. As seen in dotted lines in Figure 5, the pile
of sheets indicated by the numeral 52 are stacked
on skid 53 which rests on the rollers .|5. The
stacking the slit sections of a sheet issuing from
a slitter comprising a guide member arranged to
support the slit sheet sections at the‘slit edges as
the sections issue from the ‘slitter and arranged
resilient plates 29 in conjunction with the side 70 to separate the slit sheet sections‘after, the sec- .
abutment members 35 form the sides of regular
tions have completely passed the slitter-la sup-.
port on each side of the guide member to’receive
piles of the resulting sheets. The end abutment
the slit sheet sections in ?at superposed position,
member 41 forms the forward 'edge of the pile
resilient members arranged to contact two adia
and resilient plate |9 force" "e sheets into abut
ment with member 151 to form the rear edge of 75 cent edges of each‘ slit sheet section to exert a
..
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2,412,085
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a
force on each said edge, and an abutment mem
resilient members in opposed position to the abut- ~
ber facing each resilient member and spaced
ment members arranged to engage other edges
therefrom a distance not greater than the corre
of the sheet to exert a force urging said two edges
of the sheet into contact with the abutment
members, said-force being so related to the weight
of the sheets being stacked that a'resilient mem
ber will yield under the in?uence of such weight
sponding dimension of the sheet section, the force
exerted by each resilient member urging the sheet
sections into engagement with the facing abut
ment member.
,
y 3. A sheet stacking apparatus for receiving and
stacking in separate stacks the slit sections of
' while insuring said contact.
7. A sheet stacker for receiving and stacking
a sheet issuing from a slitter comprising a guide 10 sheets having a plurality of straight edges com
prising a guide member for supporting a sheet as p
member arranged to support the slit sheet sec
it moves into the stacker, a plane support below
tions at the slit edges as the sections issue from
the guide member to support the sheets in flat
the slitter and arranged to separate the slit sheet
superposed position, abutment members mounted
sections toward separate stacks after the sections
have completely passed the slitter, a stack sup 15 on the support at a 90-degree angle thereto
adapted to contact two edges of the sheet, means
port on each side of the guide member to receive
associated with the abutment members for fold
the separated slit sheet sections in ?at superposed
ing the ‘same away from the ?nished stack, and’
position, resilient members arranged to contact
resilient members in opposed position to the
two adjacent edges of each slit sheet section to
exert a, force on each said edge, one of the ‘resil -20 abutment members arranged to engage other
edges of the sheet to exert a force urging said
lent members extending parallel to and adjacent
two edges of the sheet into contact with the abut
the guide member, and an abutment‘ member
ment members, said force being so related to the
facing each resilient member and spaced there
weight of the sheets being stacked that a resilient
from a distance not greater than the correspond
member will yield under the in?uence of such
ing dimension of the sheet section, the force ex
v weight while insuring said contact.
,
.
erted by each resilient member urging the sheet
8. A sheet stacker for receiving and stacking
sections into engagement with the facing abut
' sheets having a plurality of straight edges com
ment member.
prising a guide member for supporting a sheet as
4. A sheet stacking apparatus for receiving and
stacking in separate stacks the slit sections 30 it moves into the stacker, a plane support below
the guide member to support the sheets in ?at
of a sheet issuing ‘from a slitter. comprising a
superposed position, abutment members mounted _
guide member arranged to support the slit sheet
on the support at a 90-degree angle ‘thereto
sections at the slit edges as the sections issue
adapted to contact two edges-0i’ the sheet, toggle
from the slitter and arranged to separate the slit
sheet sections toward separate stacks after the 35 means associated with the abutment members
sections have issued from the slitter, a stack sup
‘for folding the same away from the ?nished
ber being arranged to exert a force on the corre
sheets having a plurality of straight edges com- ’
stack, and resilient members in opposed position
port on each side of the guide member to receive
to the abutment members arranged to engage
the separated slit sheet sections in ?at super
other edges of the sheet to exert aforce urging
posed position, a resilient member arranged to
contact an edge of each slit. sheet section and 40 said two edges of the sheet into contact with the
abutment members, said force being so related to
extending parallel to and adjacent the guide
the weight (if the sheets being stacked that a re
member, a second resilient member arranged to
silient member will yield under the influence of
contact a second edge of each slit sheet section
such weight while insuring said contact.
and extending perpendicular to the guide mem-.
9.- A sheet stacker for receiving and stacking
her and adjacent the slitter, each resilient mem 43
prising a guide member for supporting a sheet as
sponding edge of the slit sheet section, and an
it moves into the stacker, a plane support below
abutment member facing each resilient member
. the guide member to support the sheets in ?at
and spaced therefrom a distance not greater
than the corresponding dimension or the sheet 50 superposed position, abutment members mounted
on the support at a QO-degree angle thereto
section, the force exerted by each resilient mem-v
adapted to contact two edges of the sheet, means
ber urging the sheet sections into engagement
with the facing abutment member.
"
5. A sheet stacker for receiving and stacking
I sheets having a plurality of straight edges com
prising a guide member for supporting a sheet as
it moves into the stacker, a support to receive the
for adjusting the position of an abutment mem
ber on the support with reference to the guide
' member, and resilient members in opposed posi
_tion to the abutment members arranged to en
gage other edges of the sheet to exert a force urg
sheets in ?at > superposed position, abutment
ing said two edges of the sheet into contact with
members adapted to contact two edges of the
sheet, and resilient members in opposed position
60 lated to the weight of the sheets being stacked
to the abutment members arranged to engage
other edges of the sheet to exert a force urging
said two edges of the sheet into contact with the
abutment members, said force being so related to
the weight of the sheets being stacked that a
resilient member will yield under the in?uence
the abutment members, said force being so re
that a resilient member will yield under the in
?uence of such weight while insuring said con
tact.
‘
'
'
10. A sheet stacker for receiving and stacking
sheets having a plurality of straight edges com
prising a guide member for supporting a sheet as
it moves into the stacker, a support to receive the
of such weight while insuring said contact.
‘sheets in flat superposed position, abutment
6. A sheet stacker for receiving and'stacking
members adapted to contact two edges of the
sheets having a plurality of straight edges com
sheet, and curved members in opposed position to
prising a guide member for supporting a, sheet as
the abutment members pivotally mounted above
it moves into the stacker, a plane support below
the support and extending downwardly to a point
the guide member to support the sheets in ?at
adjacent the support, means acting on each
superposed position, abutment members mounted
curved member to exert a force urging the lower
on the support at a 90-degree angle thereto
adapted to contact two edges of the sheet, and 75 ‘end of the same toward an opposed abutment
2,412,085
8
tion to the abutment members and extending
from the neighborhood of the guide member
downwardly to points adjacent the support, resil
ient means associated with each curved member
member, said force being so related to the weight
of the sheets being stacked that the lower end of
a curved member will be moved away from an op
posed abutment member under the influence of
such weight while insuring contact of thestacked C1 to exert a force urging the lower end of the
sheets with an opposed abutment member.
curved member toward the opposed abutment
v
11. A sheet stacker for receiving and stacking
member, said force being so related to the weight
of the sheets being stacked that the lower end
sheets having a plurality of straight edges com
prising a guide member for supporting a sheet as
of a curved member will be moved away from an
it moves into the stacker, a support to receive the 10 ' opposed abutment member under the in?uence of
sheets in ?at superposed position,‘ abutment
members adapted to contact two edges of the
sheet, curved members in opposed position to the
abutment members pivotally mounted above the
support and extending downwardly to a point ad
jacent the support, means acting on each curved
member to exert a force urging the lower end of
the same towardan opposed abutment member,
said force being so related to the weight of the
sheets being stacked that the lower end of a 20
curved member will be moved away from an op
posed abutment member under'the in?uence of
such weight while insuring contact of the stacked
sheets with an opposed abutment member and
means for adjusting the position of a curved
member with respect to the guide member. f
12. A sheet stacker for receiving and stacking
sheets having a plurality of straight edges com
such weight while insuring contact of the stacked
sheets with an opposed abutment member, and
the curvature of a. curved member being suffi
cient to maintain the curved member in contact
with the top sheet of the stack at all times during I
stacking.
15. A sheet stacking apparatus for receiving
and stacking the slit sections of a sheet issuing
from a slitter comprising a guide member ar-‘
ranged to support the sheet sections at the slit
edges as the sectionsissue from the slitter, a sup
port on each side of the guide member to receive
the slit sheet sections in flat superposed position,
a resilient member arranged to contact an edge
of each slit sheet section and extending parallel
to and adjacent the guide member, a second resil
ient member arranged to contact a second edge
7 of each slit sheet section and extending perpen
prising a guide member for supporting a sheet as
dicular to the guide member and adjacent the
it moves into the stacker, a support to receive the 30 slitter, each resilient member being arranged to
sheets in' ?at superposed position, abutment
exert-a force on the corresponding edge of the
members adapted to contact two edges of the
sheet, means for adjusting the position of an
abutment member on the support with reference
slit sheet section, and an abutment member fac
ing each resilient member and spaced therefrom
a distance not greater, than the corresponding
to the guide member, curved members in opposed
dimension of the sheet section, said force being
- position to the abutment members pivotally
so related‘ to the weight of the sheetsgbeing'
mounted above the support and extending down
stacked that a resilient member will yield under
wardly to a point adjacent the support, means
the in?uence of such weight while insuring con
acting on each curved member to exert a force
tact of the stacked sheets with the facing abut
urging the lower end of the same toward an 40 'rnent member.
opposed abutment member, said force being so
16, A sheet stacking apparatus for receiving
related to the weight of the sheets being stacked
and stacking the slit sections of a; sheet issuing
that the lower end of a curved member will be
from a slitter comprising a guide member ar
moved away from an opposed ‘abutment mem
ranged to support the sheet sections at the slit
ber under the in?uence of such weight while in oh. LI edges as the sections issue from the slitter, a
suring contact of the stacked sheets with an
support on each side of the guide member to re
opposed abutment member, and means for ad
ceive the slit sheet sections in flat superposed posi
justing the position of a curved member with re
tion, a resilient member arranged to contact
spect to the guide member.
edge of each slit sheet section and extending par
13. A sheet stacker for receiving and stacking 5%) allel to and adjacent the guide member, a second
sheetshaving a plurality of straight edges com
resilient member arranged to contact a second
prising a guide member for supporting a sheet as
edge of each slit sheet section and extending
it moves into the stacker, a support to receive the
perpendicular to the guide member and adjacent
sheets in ?at superposed position, abutment
members adapted to contact two edges of the
‘sheet, and convexly curved members in opposed
position to the abutment members and extend
the slitter, each resilient member being arranged
ing from the neighborhood of the guide member ,
downwardly to points adjacent the support, re
silient means associated with each curved member
to exert a force urging the lower end of the
curved ,member toward the opposed abutment
to exert a force on the corresponding edge of
the slit sheet section, means movably supporting
the ?rst resilient member for movement in a line
parallel to the guide member, means movably
supporting the second resilient member for move
ment in a line perpendicular to the guide member,
and an abutment member facing each resilient
member and spaced therefrom a distance not
member, said force being so related to the weight .
greater than the corresponding dimension of the
sheet section, said force being so related to the
a curved member will be moved away from an op 65 weight of the sheets being stacked that a resilient
posed abutment member under the in?uence of
member will yield under the in?uence or such
such weight while insuring contact of the stacked
weight while insuring contact of the stacked
sheets with an opposed abutment member.
sheets with the facing abutment member.
14. A sheet stacker for receiving and stacking
17. A sheet stacking ‘apparatus for receiving
sheetshaving a plurality oi'_ straight edges com
and stacking the slit sections of a sheet issuing _
of the sheets being stacked that the lower end of
prising a guide member for supporting a sheet as
it moves into the stacker, a support to receive the
sheets in. ?at superposed position, abutment
members adapted to contact two edges of the
sheet, convexly curved members in opposed posi
from a- slitter comprising a guide member ar
ranged to support the .sheet sections at the slit v
edges as the sections issue from the slitter, a
support on each side of the guide member to
75 receive the slit sheet sections in ?at superposed
2,419,085
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two adjacent edges of each slit sheet section 'to
exert a force on each said edge, an abutment
member facing each resilient member and spaced I
therefrom a distance not greater than the corre--'
under the influence of such weight while insur
ing contact of the stacked sheets with the fac
.
-
means movably supporting the second resilient
member Ior movement in a line perpendicular to
' the guide member, an abutment member facing
‘sponding dimension of_ the sheet section, said
iorce being so related to the weight of the sheets
being stacked that a resilient member will yield.
10
adjacent the slitter, each resilient member be
ing arranged to exert a force‘ on the correspond
ing edge of the slit sheet section, meansmovably
supporting the ?rst resilient member for move
ment in a line parallel to theguide member,
position, resilient members arranged to contact I
‘each resilient member and spaced therefrom a
10 distance not greater than the corresponding di
mension or the sheet section, said force being
ing abutment member, means movably supporting .
so‘ related to the weight of the sheets being ’
~ the abutment members for movement toward and
stacked that a resilient member will yield under
the in?uence of such weight while'insuring con
18. A sheet stacking apparatus for receiving
and stacking the slit sections of a sheet issuing 15 tact of the stacked sheets with'the facing abut
away from the facing resilient members.
ment member, means movably supporting the '
from a slitter comprising a guide member ar
ranged to support the sheet sections at the slit
edges as the sections issue from the slitter, ja
abutment member facing the'?rst resilient-mem
ber for‘ movement toward and away from. the .
support on each side of the guide member to rev '
?rst resilient gnember and for movement along
tion, a first resilient member arranged to ‘cone
and means movably supporting the abutment
member facing the second resilient member for
movement toward and away from the second resil
ceive the slit sheet sections in ?at superposed pos'iewg'o a line parallel to the ?rst resilient member,
tact an edge of each slit sheet section and .exi
tending parallel to and adjacent the guidesme?h
her, a second resilient member arranged
,
tact a second edge of each slit sheet section ‘I
extending perpendicular to the guide membe'r’and
ient member.
25
.
DAHIEL P. GLUSH.
~
.
A. CLAUSE.
v
I
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