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Патент USA US2403466

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July 9, 1946'
R. c. s'ruTz
2,403,466
APPARATUS -FOR ASSEMBLING FINS AND` THE LPIKE
Filed sept. 12, 1944
_ 2 sheets-sheet 1
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IN ENTOR.
BY
œuf» and
July9,1946;
I
.
R C, STUTZ
V
2,403,466
APPARATUS FOR ASSEMBLING FINS AND THE LIKE
Filed Sept. 12, 1944
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_ Patented- July 99 'i946
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2,403,466
I
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APPARATUS Foa AssnMnLnzo FiNs AND
Robert o. Stutz, Bueno, N. Y., assigner to"
Niagara Blower Company, New York, N. Y., a
corporation of New York
c
sppucauonseptember 12, musea-s1 No. _553,745
is claims. `(cnam-»si
2
l .
This invention relates to apparatus for assem- . ' showing .the same mounted on 'a form which is
bling iins or the like, particularly the metal fins
internally grooved to receive the ñns in the de- .
used to provide an extended surface on heating
sired spaced relation.
vor cooling coils, thé tins being assembled in a
predetermined parallel face-to-i'ace` spaced rela
tionship and having registering openings- through
which the tubes are inserted, the tubes being sub
sequently expanded or otherwise united to each
fin so that the fins serve to provide an extended
surface for the tubes and increase the rate of
heat transfer, between the iiuid ñowing through
y
Fig. 2 ,is a vertical central sectional view
through the apparatus and showing a part oi' the
form in elevation.
'
'
Fig. 3 is a fragmentary' view similar to'Fig. 2
and showing one of the fins released and about
_ to drop into the form.
lo
Fig. d is a transverse sectional view through
the form showing the rear .end of the apparatus.
the tubes and the air or other medium flowing
. Figs. 5 and 6 are fragmentary' vertical sectional
past the hns and tubes.
views, taken on the correspondingly numbered
.
One of the principal objects of the invention
is to provide an extremely simple apparatus for 16
successively dropping the tins from a. stack, one
at a time, into a form in properly spaced rela
tionship to provide a ñnned structure having the
'
The apparatus forming the subject ofthe pres
-
the apparatus being'capable of depositing flns'at
a spacing of seven fins per inch at a rate of 220
>
v
I start and stop switch of the apparatus.
Another object is to provide such apparatus
which will’deposit the ñns at a high rate of speed,
ñns per minute.
.
Fig. 7 fis a fragmentary vertical sectional view,
taken on line l-l, Fig. d.
Fig. 8 is a wiring diagram of the motor and
í'lns in the desired spaced relationship and posi
tion.
lines >on Fig. 3.
'
Another object is to provide such apparatus
which will deposit the ñns accurately and posi
tively so that the machine does not Jamin its
operation and so that the operator is not required .
20
ent invention isparticularly designed to assemble
the metal ilns i9 used in fabricating extended
ñn surfaced heating and cooling coils, these ñns
being of rectangular outline and having regularly
spaced tube receiving circular openings i6 there
in, the metal from each of these openings _being
formed to provide an annular nipple i2, these
nipples projectingoutwardly i’roin one face of
each un. The machine embodying the present
invention assembles these fins i@ in face-to-face
to go along behind the apparatus and straighten 30 equally spaced relationship with the correspond
misplaced uns.
ing openings and nipples it, t2 of the ñns in
Another aim is to provide such apparatus which
register with each other so that tubes (not shown)
is self-contained and easily portable so that after
can, be threaded through the registering openings
a group ci ñns has been .deposited in one form,
i! to be subsequently expanded or otherwise
the apparatus can be lifted to another form to 35A rigidly secured to the; nipples i 2 thereof. continue its operation while tubes are being in
For this purpose the apparatus forming the
serted in the assembled iins.
- subject of the present invention. drops the' ilus
`another purpose is to provide such apparatus
y which is free from the necessity o! close super
’ one at a time,- from a stack of fins, edgewise into
_ a form which is internally grooved to receive the
vision and which will deposit fins from a lstack 40 ñns in the desired spacing, `this form preferably
of a substantial quantity so that the operator is
being constructed as follows:
free to set up the apparatus for inserting and
The numeral id represents an elongated base
expanding the tubes while the apparatus is de
suitably supported on legs it. l‘.'iîriis base carries
positing the dns.
a pair of elongatedl side walls it which extend
Another' aim is to provide such apparatus which 45 lengthwise along the sides of the base and form
is readily adjustable to deposit the ñns at any
between them an elongated nn receiving channel
desired spacing.
indicatori` generally at it. An angle iron 2t is
Other objects are to provide such apparatus
secured to the outer face of each of the side walls
which is simple and inexpensive in construction
it along the top edge thereof, the two angle irons
and which will stand up under conditions of 50 2d forming the two rails of a track for supporting
severe- and constant use without getting out of
the apparatus forming the subject of the inven
» order or requiring repairs.
tion as hereinafter described. The opposing
In the accompanying drawings:
faces of the side walls ia ol' the form are vertical
Fig. l is a side elevation oi a iin assembling
ly grooved, afs indicated at 2 l, to provide register
machine embodying the present invention and 55 ing fin receiving slots of the desired spacing and
2,403,466» "
4
.
'the form in timed relation `to the .movement of
each pair of which are adapted to receive the> ' the carriage 25 along the rails 2l. For this pur
opposite longitudinal edges of» one of the nns Il.
pose the free end of the platform 4| carrying the
At the upper end vof each slot 2| the meta1 be
- stack of ilns I0 is moved up and down in timed
tween the slots is chamfered or beveled, as indi
cated at 22, this bevel extending upwardly and
relation to -the travel of the carriage. This is
accomplished by a star wheel 5B which is fast to
to the right, as viewed in Figs. 2 and 3, and serv- _
the main shaft 35 and having its teeth engaging
ing to provide an enlarged mouth at the upper ‘_
with the pointed end of a screw 5| secured in a
end of each of the nn receiving grooves 2| as well
bracket 52 supporting the free end of the plat
as to provide a small angular face for guiding
form 4|. This pointed screw 5| can be held in
10
the lower edge of each of the fins I0 into each
proper relation to the teeth of the star wheel 50
groove.
`
by a lock nut 53. It will be seen that as the main
The fin assembling apparatus is in the form of
drive shaft 35 rotates, the corresponding tooth
a self-propelled carriage, indicated generally at
4of the star wheel-50 lifts the pointed screw 5|.
25, which rides along the rails 20 of the form and
When the point of ` this screw travels beyond the
lcontaining a stack of fins I0, a mechanism being 15 edge of this tooth of the star -wheel it drops down
provided on the carriage for dropping the nns
onto the next succeeding tooth of the star wheel.
one at a. time into the successive pairs of opposing
Since the pointed pin 5| is- fast to the free end
grooves 2| ofthe form. The carriage is shown
of the platform, it will be seen that this free end
as comprising a pair of vertical side plates 26
of the platform will be moved up and down, for
20
which are rigidly connected together as herein-`
each revolution of the main shaft 35, a number A
after described and each side plate being sup
' of times equal to the number of teeth on the star
ported by a pair of rollers 28 which ride on the
wheel-50.
corresponding rail 20. 'I‘he carriage can be ad
An angular guide rail 55 is secured to the inner
ditionally guided along the rails 20 by a pair of
-face
of each side plate 26, the lower end of this
' side rollers 29 depending from each side plate 25 -guide rail being arranged adjacent the rearmost
26 and engaging the opposing sides of the side
end of the lower edge of the corresponding side
plates I8.
.
` ` plate 26 while its upper pointed end 56 is ar- -
An electric motor 30 is secured to the outer
ranged adjacent the rearmost extremity or free
face of one of the side plates 26 and, through a
end of the platform 4| 'and is formed to provide
reducing gear 3|, drives a cross shaft 32 which 30 a forwardly facing face which forms an abutment
is suitably Journaledin the side plates 26. With
to retain the stack of fins I0 on the platform.
in the carriage a pinion 33 is fast to this cross
These guide rails 55 coact with a curved pointed
shaft 32, this pinion meshing with a gear 34 fast
finger 58 to split the rearmost fin I0, at its lower
to a main drive shaft 35, the ends of this main
end, from the stack each time the platform 4| is
35
drive shaft being likewise suitably journaled in
moved to its elevated position. For this purpose
the ‘side plates 26 of the carriage. A pair of gear
the finger 58 is mounted on the rear end of a y
wheels 36 are secured to this main drive'shaft
bell crank lever 59 which is pivoted at the center
35 adjacent the side plates 26 and, as best shown
of the free end ofthe platform 4| to swing about
in Fig. 6, have teeth which mesh with the
an axis parallel with the axis of oscillation of chamfered or beveled upper ends 22 of the fin 40 the platform 4|. The upwardly extending point
receiving slots 2| in the side walls I8 of the form.
ed end of the curved `linger 58 works through a
It will therefore be seen that the motor 36 in
notch 60 provided at the free edge of the plat
` driving these gear wheels 36 serves to~propel the
form 4| and when the bell crank lever ,59 is ro
carriage 25 along the rails 20 on its rollers 26,
tated clockwise, as viewed in Figs. 2 and 3, the
the movement of the carriage being from left to
curved finger 58 enters between the last two ñns
right as viewed in Figs. 1_3.
`lil of the stack of fins on the platform 4|.
The rear ends of the two side plates 26 of the
Thatsend of the bell crank lever 58 extending
carriage are connected by a rod 40 on which a
toward the front end of the carriage is connected
platform 4| is pivotally mounted, this platform
by _a vertical link 62 with a cross rod 63 between
extending across the space between the two side 50 the two side plates 26 of the carriage. Since this
plates 26 and hayinga free end at the rear end
rod is 4rigid with the carriage, it will be seen that
of the carriage which is capable of being moved
as the free end of the platform 4| is moved up
up and down by virtue of the pivotal mounting _
wardly, toward the position shown in Fig. 3, the
the
cross
rod
40.
This
plat-l
of the platform on
curved finger likewise is moved upwardly through
form is adapted to ’support a stack4 of the fins 55
the
notch `6i! and between _the last two fins l0 on
I0, these fins being arranged with their longi
this platform. When 'the platform 4| passes
tudinal edges along the opposing faces of the
above the pointed ends 56 of the two side rails
side walls 26 and in a generally vertical position,
55, the curving form ofthe finger 58 pushes the
the stack of fins leaning rearwardly or toward
lower end of the rearmost fin I0 rearwardly and
the left, as viewed in Figs. l-3, and being sup
guides it onto the guide rails 55 down which it is
ported by the ends of a pair of set screws 42
free to fall. At the same time the finger 58 acts
mounted in a block 43 carried by. a cross-piece
as a detent to prevent the next succeeding iin
44 which connects the rear ends of the two side
I0 of the stack from being released until the next
plates 26 and is shown as secured to outwardly
succeeding elevation of the platform 4| by the
extending vertical flanges 45 thereof by screws
star wheel 50.
'
46. The rear end of each of the set screws 42 is
To insure the proper coaction between the
slotted and accessible from the rear of the ma- ~‘ curved finger 53 in releasing the endmost iin I0, >
chine, as best shown in Fig. 4. and a lock nut 4l
it is desirable that it be adjustably mounted on
is provided on each. of these set screws, thereby
the-end of the bell crank lever 59. To this end,
to determine the angular position of the stack
as best shown in Fig. 7, this curved finger 56 is
of ?ns I6 bearing-against the- forward ends of
the
The
set rearmost
screws. » fin of the stack of fins v I0 on the
platform 4I is split from the stack and dropped
into a corresponding pair of opposed slots 2| in
preferably secured to the end of the bell~crank
lever 68 by a screw 65 extending through a longi
tudinal slot 66 in the ñnger 58. Upon looseningl
the screw 65 the curved ñnger can be adjusted
2,403,406
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up or down along its slot 86 thereby to precisely
adjust the `timing of the pushing action of this'
iinger on the endmost ñn I0.
To insure the free fall of the 'endmost iin oi’ .
the stack of ñns on the platform 4i, means are `
also provided for positively splitting of! this iin
this switch in series with the motor 30, as shown
inA Fig. 8, the carriage will be automatically
Ístopped after a predetermined number of iins I0
have been deposited as determined by the setting>
or position of the pin 80.
,
In operation' the drive connection .between-the
at itstop, as well as at its bottom, as just de
-motor 30 and the main drive shaft 35 rotates the
scribed. To this end a- strip S8 of spring metal
is secured to the center of the block 43 carried- by
thecrossplece 49, this strip projecting :from the
block 43 toward the iront end of the machine.
At its free end this spring strip 68 carries a. V
shaped tooth 69 having an inclined face 1li toward
pair of gear wheels 36 on this shaft and since the
teeth of these gear wheels mesh with the cham
fered'ends 22 at the lupper ends of the slots 2l in
. 28 on the rails 20 forming the top of the side walls
` the i‘ront of the carriage and having an abrupt
I8 of the form. The movement of the carriage
the side walls i8 of the Aform, the carriage 25 is
propelled along the form, riding with its rollers
25 is from left to right, as viewed in Figs. 145.
Sidewise movement of the carriage 25 off of the
rails 20 is prevented by the pairs of side rollers
supported by the inclined tace 'i0 oi' this tooth.
29 which engage the> ’sides of the walls i8. This
When, however, the platform 'swings down to its
self-propelled movement o! the carriage is con
fully depresssed position the upper ends of the
tinued until the lever 82 of the stop switch 8i on
stack oí fins falls toward the rear oi' the carriage
the carriage engages _the pin 8i! on the form, this
under the tooth 69 until the rearmost ñn engages
switch being opened on engaging the pin and de
the ends of the two set screws 42 carried by the
energizing the motor 3S which is in series with it;
block 43. These set screws are so adjusted that
The rotation of the main drive shaft 35 also
» on the next upward movement of the platform
¿ii- the tooth SB enters between the last two ñns 25 rotates the star wheel te fast thereto, this causing
each tooth of this star wheel to lift the pointed
iii of the stack and thereby splits oir the rearmost
ñn. At the time when the platform 4i reaches - pin 5l and then permit this pin to fall back to
the next succeeding tooth of this star wheel.
the upper extremity of its movement and the
Since the pointed pin öl is fixed to the free rear
lower edge of the rearmost iin is released, the
end of the platform 4i by the bracket 52, this
uppermost edge of this ñn is likewise released.
or vertical face 1| toward the rear of the carriage.
The upper ends of the leaning stack of tins l il are
In order to guide the lower edge oí the falling
vertically reciprocating movement of the pointed
pin 5l is transmitted to the platform M.
iin lil into its properl pair -of the slots 2l, a leaf
' The iins i0 are stacked upon this platform di
spring 'l2 is secured to andforms an extension
in the position shown in Fig. 3. Each time the'
ofthe upper face of :each ofsthe guide rails 55.
These springs engage the chamfered or bevel faces 85 platform di reciprocates downwardly the upper»
end of the rearmost nn i6 is freed from the in
22 at the upper ends of these slots and insure that
clined rear face 1Q or the tooth 69 carried by the
metal strip B8 and falls against the forward ends
proper pair of slots 2i.r Since the leaf springs ‘l2
of the pair of set screws 42. On the next upward
are iiexible, they readily click along the charn
fered faces 22 'as the carriage moves along the 40 movement of the platform 4l, the ringer te is
brought between the last two iins of the pack
form.
v
l the lower edge oi' the falling nn is guided into the
It is important, of course, that the fins be in
a vertical position when they fall vertically into
the slots 2i. /It has been found by experience
thereby splitting oil‘ the upper end of the endmost
1in to permit it to fall but retaining the balance
of the stack of ñns upon the platform di .
In the lowered position of the platform ¿il the
that the lower edges of the falling dns, if un 415
' stack of iins on this platform is retained thereon ,
restrained, tend to swing beyond a vertical posi
by the engagement of the upper pointed ends EE
tion before lthey enter the predetermined pair of
of the two guide rails 55 with the face of the
slots. 'To restrain this tendency, spring leaves 'le
endmost ñn. As the platform rises the curved
are secured to the` outside of the side plates @t
of the carriage by bolts ‘I5 each extending through 50 >iinger 58 is swung upwardly so as to be interposed
a longitudinal ,slot il in the spring leaf so that _ between the last two fins and also to shove and
guide the lower end of the endmost fin over the
' these leaves ’are adjustable forwardly and rear=
pointed ends 56 of the guide rails ä‘o'. This up
wardly. The free rear end of these spring leaves
ward movement of the curved ñnger is edected
'i5 are each formed to provide an inwardly pro
jecting ñnger 'i8 which projects through a hole 55 by its mounting on one end of the heil crank lever
5t, the other end of this bell crank lever being
i9 in the corresponding side plate 2e of the car“v
connected by the Vlink S2 to the cross rod §23 of
ria’ge. These iingers 'i3 are inthe path of the
the carriage frame. Upward movement of the
opposite vertical edges of the fins It and engage
the lower parts of these fins just before the lower . platforrnrfli thereby rotates the bell crank lever
59' clockwise as viewed in Figs. 2 and 3'.
edges of the hns enter the pair of grooves 2i of
«Since on the extreme upward movement of
the forms. These spring fingers 18 areinclined
the platform di the upper end of the endmost
inwardly and toward the trailing end` of the car»l
ñn I 0 is released with the balance of the stach
riage so as to be brushed aside by the passing ñns
held at the top by the >tooth 69, and since at
but exert a restraining eñect which serves to in
sure that each ñn is in a vertical position as it 65 this time the lower end of the endmost rin lo
has been pushed over the pointed upper end of
falls into its pair of slots 2 I. ,
_
_
the two guide rails t5 -by the curved iinger d@
To determine the number of iins which the
'with the balance of the stack held at the bottom
apparatus will deposit in its travel, a pin 80 can
by the curved ñnger 58, it will be seen that the
be arranged; either iixed or adjustably, along one
of thed rails 2D. On the carriage a start and stop 70` endmost iin ìs’free to fall, as indicated by -full
lines in Fig. 3 and by dotted lines in Fig. 2.
-switch 8| can be mounted so that its operating
The lower' end of the falling endmost ‘iin is
lever 82 engages this pin 80 when the carriage
reaches thls‘point in its travel along the rails to. i guided into the proper pair of slots 2i by the
guide rails 55 and the springv leavesV T2 'pro
The-movement of the switch lever 82 against this
pin'ßß'serves'to open the switch and by arranging 75 ,Seating from the ends of these guide rails. Y The
9,403,466
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tendency of the lower end of the falling iin to
8
moving said wedge-shaped finger means lendwise
are brushed aside by the falling nn but serve
relative to said stack to enter rsaid space and
push olf the endmost fin to a position `beyond
the extremity of said platform, said successively
split of! fins falling edgewise by gravity into said '
vertical spaced grooves.
to restrain its lower end sumciently so that the
fin is vertical on- entering the slots 2l and falls
tures and the like, a. frame forming a fin re
swing rearwardly beyond a vertical position on
sliding down the guide rails Il is restrained by
the spring fingers 18 which project inwardly from '
the opposite side plates 26 of the carriage and
3. In a machine for fabricating finned struc
- ceiving> form, fin retaining means mounted on
freely into the same. l
_
t
_
v
If it is desired to use the apparatus with a 10 said frame and providing vertical spaced grooves
for receiving edge portions of the ñns. a car
form having a dinerent spacing of slots 2l so
riage
mounted to travel along said retaining
as to provide a finned structurehaving more
means, a platform on said carriage for holding
or less fins to the inch, all that is necessary to
a stack of fins in upright position generally in
adapt the apparatus to this new condition is to
alinement
with said grooves and with an end
change the star wheel 50 and the two wheels
most iin arranged at one extremity of said plat
ß to ones having an appropriate number of
form, means on said carriage adjacent said ex
teeth. Since the timing of the-movement of the
tremity of said platform for successively split
carriage> to the dropping of the fins is determined
by this star wheel l0 and the two wheels N.
ting off said endmost fins from said stack and
present invention provides an extremely port
carriage and engaging the exposed face of the
tremely rapid in its operation, deposits the fins
endmost fin retained by said stop and means
for' lmoving said stack relative to said lstop and
it will be seen that any desired timing can be 20' shifting them in a direction transverse to .their
faces to a position beyondsaid extremity of said
secured by so changing these wheels.
_
platform, comprising a stop mounted on 'said
From the foregoing it will be seen that the
able and inexpensive apparatus for assembling _ endmost iin and a finger mounted on said car
fins in a form. Further, the apparatus is ex 25 riage for movement into the space between the
with a high degree of accuracy and operates with
little supervision or service dimculties.
Üflnger in a direction generally parallel with the
plane of said endmost fin to alternately move
I claim as my invention:
1. In a machine for fabricating finned struc 30 said stop and finger to and from 'operative posi
tions. said successively split olf fins falling edge
tures and the like, a frame forming'y a fin re
wise‘by gravity into said vertical spaced grooves,
ceivingV form, fin retaining means mounted on
and means synchronizing the movement of said
said frame and providing vertical spaced grooves
splitting off means with the movement of said
Vfor receiving edge portions of the fins, a car
carriage to fill said grooves in regular order.
riage mounted to travel along said retaining
4. In a machine for fabricating finned struc
‘means, a platform on said carriage for holding
tures and the like; a frame forming a fln re
a stack of fins each in an upright position gen
ceiving form, nn retaining means mountedfon
erally in alinement with said grooves and with
said frame and providing vertical-spaced grooves
an endmost fln arranged at one extremity of said
platform, means on said carriage adjacent said 4.o for receiving edge portions of the fins, a carriage
extremity of said platform for successively split
ting oil said endmost ñns from said stack and
'shifting them> in a direction transverse of their
faces to a position beyond said extremity of
mounted to travel along said retaining means, a '
platform on said carriage for holding a stack of
ñns in upright position generally in alinement
with s_aid grooves and with an endmost fin ar
said _platform comprising retaining finger means 45 ranged at vone extremityv of said platform, means
on said carriage adjacent said extremity of said
mounted on said carriage for movement into the
platform
for successively splitting oil said end
space between the endmost nn and the next fol
most fins from said stack and sluiting them in
lowing ñn, and means actuated in timed relation
a direction transverse to their faces to a Posi~
to the movement of said carriage and moving said
finger means relative to said stack to enter said 50 tion beyond said extremity of said platform. com-`
prising a pair of fingers mounted on said carriage
space and push the endmost ,fin to a position
on opposite. sides of said stack for movement
beyond the extremity of said platform, and means
into the space between the endmost fin and the
>on said carriage providing a way permitting said
split oi! fins to fall by gravity in a substantially _ » next following fin, and means actuated in timed
vertical position into said vertical spaced grooves. 55 relation to the movement of said «carriage and
moving said pair of fingers relative toïsaid stack
2. In a machine for fabricating finned struc
tures and the like, a frame forming a fin re
ceiving form, fin retaining means mounted _on
said frame' and providing vertical spaced grooves
for receiving edge portions of the fins, a car 00
riage mounted to- travel along said retaining
means. a platform on said carriage for holding
a stack of fins in upright position generally in
alinement with said grooves and with an end
most fin arranged at one extremity of said plat.. 65
y form, `and means on 'saidcarriage adjacent said
extremity of said platform for successively split
to alternately enter said'space and transfer the
endmost fin to a position beyond-the extremity
of said platform. said successively split oil.’ fins
falling edgewise Iby gravity into said vertical
spaced grooves, and means on said carriage be
yond said extremity of said platform for guiding
said fins so falling _into said vertical spaced
grooves.
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'
i
_5. In a machine for fabricating ñnned lstruc
*tures andthe like, a frame forming a fin yre
ceiving form, fin retaining means mounted on
said frame and providing vertical spaced grooves
ting oi! said endmost fins from said stack and
for receiving edge portions of the fins, Va carriage
shifting them in a direction transverse'to their
faces to a position beyond said extremity of said 70 mounted to travel along said retaining means.
platform, comprising wedge-shaped finger means
mounted on said carriage for endwise _movement
into the space between the endmost iin and the
next following fin and means actuated in timed
a platform on said carriage for holding a stack
of fins in upright podtion generally inV alinement with said grooves and with _an endmost fln ar- _
ranged at one extremity of said platform, means
relation to the movement of said carriage and 76 on said carriage` adjacent said extremity of saidì
.
59
-
.
platform for successively splitting on said end'
most ilns from said stack and shifting them in
a direction transverse to their faces to a position
beyond said extremity of said> platform, com
A prising a pair oi' stops mounted on said carriage
Y
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for receiving edge portions of the ñns, a carriage
vmounted to travel along said retaining means,
a platform pivotally mounted on said carriage
' adjacent vone of its ends to move about a hori
zontal axis extending transversely of the line o1'
and engaging opposite sides oi' the exposed face
‘movement oi said carriage, means synchronized
' of the endmost iin, and a pair ofilngers mounted
with the movement of said carriage along said
on the carriage each adiacent each `stop for'-- frame and successively moving the opposite free
movement into the space between the'l endmost
-end of said platform up and down, said platform
iin retained by said stop and means actuated
holding a stack oi’ ñns in upright position in
in timed relation to the movement of said car
alinement with said grooves and with an end
riage and moving said pairs oi’ ilngers and stops
most iin Iarranged at the extremity of said' free
inv a direction generally parallel with the plane
_end of said platform, and means actuated
of said endmost iin to alternately move each'stop ~ through motion derived from the up and downA
and its companion ñnger to and from operative 15 movement oi' said free end of said platform for
positions, said successively split of!A iins falling
splitting oil' the endmost fin from said stack each
edgewise by lgravity into said vertical spaced
time the free end of the platform moves in one
' ~ grooves, and a guide rali on said carriage ex
direction and shifting said split oiî‘ dn in a direc»
tending downwardly from adjacent said extrem
tion transverse of its face to a position beyond
ity oi said platform and guiding the lower edges 20 said extremity of said platform, said vsplit oí Y
of said ñns so falling into said vertical spaced
fins falling edgewise by gravity into said vertical
spaced grooves.
grooves.
6. In a machine for fabricating iinned struca
9. In a machine for fabricating ñnned struc
tures and the like, a frame forming a nn receiv
ceiving form, iin retaining means mounted on 25 ing form, ñne' retaining means mounted on said
said frame and providing vertical spaced grooves
frame and providing. vertical spaced grooves for
receiving edge portions of the fins, a carriage
for receiving edge :mrtions'of the ñns, a car
ringe' mounted to travel along said retaining
mounted to travel along said retaining means,
r a platform pivotally mounted on said carriage
means,.a platform pivotally mounted on said car
’ riage adjacent one of its ends to move about a 30 adjacent 'one of its ends to move about a hori»I
horizontal axis extending transversely of the line
zontai axis extending transversely of the line
of movement of said carriage, means successively A of movement of said carriage, means succes@
moving the opposite free end oi said platform
sively moving the opposite free end of said plat
up and down, said platform holding a stack of
form up and down, said platform holding a stack
ñns in upright position in alinement with said 35 o1' ñns in upright position generally in alinement
grooves and with an endmost fin arranged at the
withsaid grooves and .with an endmost iin ar
extremity or said i'ree end of said platform, and
ranged at the extremity of Vsaid free end of said
means actuated through motion derived from the
platform, means mounted on said free end oi’ said
tures and ’the like, a frame forming _a iin re»
up and down movement of said free end of said 1
platform for splitting od the endmost iin from
said stack each time the free end of the plat
form moves in one direction and shifting said
split off iin in a direction transverse of its face
to a position beyond said extremity of said plat
form, said split od dns falling edgewise by grav
ity into said vertical spaced grooves.
'
.
'l'. In a machine >for fabricating finned stru -
platform and actuated through motion derived
from the pp_„and down movement 'of said free
end of said platform `for splitting off the lower
end of the endmost ñn from said stack each time
the free end of the platform moves in an up
ward direction and shifting said lower end of said
split on’ iin in a direction transverse of its face
to a position beyond said extremity of said plat»
for-m, and means mounted on said carriage above '
for receiving edge portions of the fins, a car
riage mounted to travel along said retaining
means, a platform pivotaliy mounted on said
vthe free end of said platform and actuated
through motion derived from thenp and down
movement oi said free end of said platform :for
splitting on’ the upper end of the endmost hn
from said stach each time the free end ofthe
platform moves in an upward direction, said
carriage adjacent one oi’ its ends to move about
split of? iìns Ifalling edgewise by gravity into said
tures-,_ and the like, a -i'rame forming a fin re=
ceiving form, fin retaining means mounted on
> said frame and providing vertical spaced grooves
a horizontal axis extending transversely oi the dit’ vertical spaced grooves.
line' of movement of said carriage, means suc
cessively moving the opposite free end of said
platform up and` down, said platform holding a
stack o1' ilns in upright position in aiinement ‘with
10. in a machine for fabricating finned struce
tures and the like, a frame forming a dn receive
ing form, iin retaining means mounted on said
frame and providing- vertical spaced grooves for
receiving edge portions of the fins, a carriage
said grooves and with an endmost iin arranged
at the extremity oi said free end of said plat- ‘ Ámounted to travel along said retaining means,
a platform pivotally mounted on said carriage ad
form, and means actuated through motion de
jacent one of its ends to move about a horizontal
rived from the up and down movement of said
axis extending transversely of the line of move
free end of said platform for splitting od the
endmost iin from said stack each time the free dd ment of said carriage, means successively mov
and oi the platform moves in an upward direc
tion and shitting said split off iin in a direction '
transverse of its face to a position.' lbeyond said
extremity of said platform, said split od dns
ing the opposite free end oi’ said platform up and
' down, said platform holding a stack `of nos in
upright position generally in alinement with said -
grooves and with an endmost iin arranged at the
falling edgewise 'byV gravity into said vertical 'lo extremity of said >free end of said platform, means
spaced grooves.
i
8. In a machine for fabricating finned struc
tures and the like, a frame forming a iin re
oeivins form, nn retaining means mounted on
mounted on said free end ofvsaid platform and
actuated through motion derived from the ‘up
and down movement of said free end of said plat
form for splitting od the lower end of the end
said frame and providing vertical spaced grooves 75 most 1in from said stack each time the free end of
2,408,466
.
11
12
«
rived from the up and down movement of said
free end of said platform for splitting olf the
upper end of the endmost nn from said stack each
the platform moves in an upward direction and
shifting said lower end of said split of! fin in a
direction transverse of its face to a position be
time the free end of the platform moves in an
yond said extremity of said platform, 1nd means
upward direction, and means mounted on the
C11
mounted on said carriage above the free end of
free end of said platform and actuated through
said platform and actuated through motion de
motion derived from‘the up and down movement
rived from the up and down movement of said
of -said free end of said platform for splitting
free end of said platform for splitting of! the up
of! the lower end of the endmost 'fin from said
per end of the endmost fin from said stack each
stack each time the free end of the platform
10
time the free end of the platform moves in an
moves in an upward` direction and shifting said
upward direction and comprising a tooth mount
lower end of said split off fin in a direction trans
ed on said carriage adjacent the top of said stack
verse of its face to a position 'beyond the ex
and in position to beinterposed between said end
tremity of said platform, comprising an upwardly
most ñn and the next succeeding fin when said
projecting ñnger mounted on said free end of
free end of said platform is elevated,y said split
said platform in position to be moved >upwardly
off fins falling edgewise by gravity into said ver
to be interposed between said endmost 'nn and l»
the nexty succeeding iin and means for moving
tical spaced grooves.
y
y
_
j
11. In a machine for fabricating finned struc
said finger upwardly into engagement with said '
tures and the like, a frame forming a fin receiv
endmost fin and the next succeeding iin when said
20
ing form, fin retaining means mounted on said l platform is raised, said split oñ fins falling edge
frame and providing vertical spaced grooves for
wise by gravity into said vertical spaced grooves.
13. in a machine for fabricating finned struc!
receiving edge- portions of the fins, a carriage .
mounted to travel along said retaining means,a
tures andthe like, a frame forming a fin receiv
ing form,` fin retaining means mounted on said
platform pivotally mounted on said carriage ad
jacent one of its ends to move about a horizontal 25v frame and providing vertical spaced grooves for
axis extending transversely of the line of move
receiving edge portions of the fins. a carriage
ment of said carriage, means successively moving
the opposite free end of> said platform up-and
down, said platform holding a stack of fins in
upright position generally in alinement with said
mounted to travel along said retaining means, a _
platform pivotally mountedl on said carriage ad- ,
so
grooves and with an endmost iin arranged at the
extremityof said freefend of said platform, means
mounted on said -free end of said platform and
jacent, one of itsends to move about a horizontal
axis extending transversely of the line of move
ment of said carriage,- means successively mov
ing the opposite free end of said platform up and
down„ said platform» holding a stack of fins in
actuated through motion .derived fromthe up
_upright position generally in alinement with said
and down movement of said free end of said plat 35 grooves ‘and with an endmost fin varranged at the
form for splitting 0R the lower end of the end- ' extremity of said _free end of said platform, means
Amost fin from said stack each time the free end
mounted >on said 'carriage above the free end of
of the platform moves in an upward direction and
said platform and actuated through motion de
shifting said lower end of said split oil! fin in _a
rived from the up and down movement of said
direction transverse of its face to a position be 40 free end of said platform for splitting of! the up
yond said extremity of said platform, and means ~ per end of the endmost fin from said stack each '
mounted on said carriage above the free end of
time'the free end of the platform moves in an
said platform and actuated through motion de
>upward direction, and means mounted on the
rived from the up and down movement of said
free end of said platform and actuated through
free end of said platform for splitting of! the 45 motion derived from the up and down movement
upper endof the endmost fin from said stack each
of said free end of said platform for splitting off
time the free end of the platorm moves in an
the lower end of the endmost fin from said stack
upward direction and comprising a tooth mount
each time the free end of the platform moves in
ed on said carriage adjacent the top of said stack
an upward direction and shifting said lower end
50
and in position to be interposed between said end- 4
of said split off fin in a direction transverse of its- v
most iin and the next succeeding fin when said
face to a position beyond the extremity of said
free end of said platform is elevated _and an abut
platform, comprising an upwardly projecting nn
ment mounted on said carriage for adjustment
, ger mounted on said free end of said platform in
lengthwise of its line of movement and in position
position to be moved upwardly to be interposed
to receive between it and said tooth said endmost 65 between said endmost iin and the next succeeding
fin when said free end of said» platform is ele
' fin and means for moving said finger upwardly
vated, said splitoff fins falling edgewise by gravity
into said vertical spaced grooves.
, into engagement with said endmost fin and the
next succeeding ñn when said platform is raised,
tures and the like, a frame forming a iin receiv 60 comprising a bell crank lever pivotally secured to
said platform, means securing said finger to one
ing form, iin retaining means mounted on said
arm of said bellecrank lever and a link connect
frame and providing vertical spaced grooves for
ing the'other ann of said- bell crank lever with
receiving edge portions of the mis, a. carriage
said carriage, said split off fins falling edgewise
mounted to travel along said retaining means, a
by gravity into said vertical spaced grooves.
platform pivotally mounted on said carriage acl->
14. In a machine for fabricating finned struc
jacent one of its ends to move about a yhorizontal
tures and the like, a frame forming a nn receiving
axis 4extending transversely of the line of move
12. In a machine for fabricating finned struc-.
form, nn retaining means mounted on said frame y
ment of said carriage, means successively mov
and providing vertical spaced grooves for` receiv
ing lthe opposite free end of said platform up and
down, said platform holding a, stack lof fins in 70 ing edge portions of the fins, a carriagea mounted
platformupright position generally in alinement with said ' to travel along said retaining means,
grooves and with an endmost iin arranged at the »
' extremity òf said free end of said platform, means
- pivotally mounted on said carriage adjacent one
mounted on said carriage above the free end of
said platform and actuated through motion d¢- 15
of its ends >to move about a horizontal axis ex
tending transversely of the line of movement of
said carriage, means successively moving the op
13
>anca-ico
y
14
posite free end of said platform up and down, said
Y
receiving .edge portions of the iins,a carriage
platform holding a stack of iins in upright posi
mounted to travel along said retaining means, a
motor mounted on said carriage, a gear wheel
mounted on said carriage and having teeth enf
gaging said grooves, means operatively connect
ing said gear wheel and motor Whereby'said car
riage is propelled along said retaining means by
engagement of the teeth of said gear wheel with
tion generally in elinement with said grooves and
with an endmost fin arranged at the extremity of
said free end of said platform, means mounted on
said carriagevabove the free end of said'platform
and actuated through motion derived from the
up and down movement of said free end of said
platform for splitting oiï the upper end 0f the
said grooves, supporting means on said carriage
endmost iin from said stack each time the free end 10 holding a stack of iins, and means on said car
of the platform moves in an upward direction, an
riage and synchronized with said gear wheel for
inclined guide rail mounted on said carriage and
removing ñns from said stack and depositing
having its upper end arranged to engage the face
them in the spaced grooves in said retaining
of the endmost ñn of said stack when said free
end of` said platform is in a lowered position and 15
17. In a machine for fabricating ñnned struc
thereby retain saidstack on said platform and
tures and the like, a frame forming a fin receiv
means mounted on the free end‘of said platform ^
ing form, ñn retaining means mounted on said.
means.
and actuated through motion derived froml the
_
,
frame and providing vertical spaced grooves for
receiving edge portions of 4the nns,- a carriage
up and down movement of said free end of said
platform for splitting oiï the lower end of the 20 mounted to travel along said retaining means, a
endmost nn from said stack each time the free
end of the platform moves in ,an upward direc
tion and shifting said lower end oi said split
od nn` in‘ a direction transverse of its face and
over said upper end of said inclined guide rail, .25
said split oiï ñns falling edgewise by gravity down
said guide rail into said vertical spaced grooves.
l5. En a machine for fabricating nnned struc
tures and the like, a trame forming a iin receiv
ing form, dn retaining means mounted on said 30
_ frame and providing vertical spaced- grooves for
receiving edge portions oi the dns, a carriage
mounted to travel along said retaining means, a .
platform on said carriage for holding. a stack oi’
motor mounted on said carriage, a gear Wheel
mounted on said carriage -and having teeth en
gaging said grooves, means operatively connect
ing said gear wheel and motor whereby said car
riage is propelled along said retaining means by
engagement of the teeth of said gear wheel with
said grooves, supporting means on said carriage
holding a stackgof fins, a star Wheel rotated by '
'said motor in synchronism with said gear wheel
and means actuated by the teeth of said .star
' wheelvfor removing ñns from said stack and de
'positing them in said spaced grooves in said re
tainingrmeans,
18. In a machine for fabricating finned struc
nns in upright positiongenerally in alinement 35 tures and the like, a frame forming a ñn receiv
with said grooves andV with an endmost fin ar
ranged at one extremity or said platform, means
on said carriage adjacent said extremity oi said
platform for successively splitting“ oil" said end
most .tins from said stack andshifting them in a
direction transverse to their -i’aces to a. position
beyond said extremity oi’ said platform, said sue
cessively split oil' iins falling édgewise by gravity
into said vertical spaced grooves, a guide rail on
said carriage extending downwardly `i’rorn adja
cent said extremity oi' said platform and guiding
the lower edges oi said ñns so falling, and a leaf ~
ing form, iin retaining means mounted on said
frame and providing vertical spaced grooves for
receiving edge portions of the iins, a carriage
mounted to travel along said retaining means, a
motor mounted on said carriage, a gear Wheel
mounted on said carriage and having teeth en-l
gaging said grooves, means operatively connect
ing said gear wheel and motor whereby said oar
riage is propelled yalong `said retaining means hy
engagement of the teeth ot said gear Wheel with
said grooves, supporting means on said carriage
holding 'a stack of fins in an 'upright position,
spring at the lower endof said guide rail and
means on said carriage for successively splitting
engaging said form at the upper ends oi' said
on the endmostñns from -said stack, andnieans
vertical spaced grooves and guiding the lower 50 synchronized with said gear wheel for operating
edges of the falling ñns into said' grooves.
said splitting od means, the ñns so successively
i6. In a machine for fabricating finned struc
split on from said stack falling edgewise bv grav
Y tures and the like, a frame forming a iin receiv
ing form, ñn retaining means mounted on said
r frame and providing vertical spaced grooves> for 55
ity into said vertical spaced grooves,
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