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Патент USA US2406516

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Aug. 27, 1946.,
. J. P. TREcloKAs`
originalv Filed March 18, 1945
Jacob R Treciohas
/?' im
Allg- 27, 1946.
J. P. TREcloKAs
2,406,516 ,
Original Filed March4 18, 1943
. 2 'Sheets-Sheet 2
Jacob P. Trecwhas
Af. @AfA-‘m
Patented Aug. 27, 1946
Jacob P. Treciokas, Oakville, Conn., assigner to
Scovill Manufacturing Company, Waterbury,
Conn., a corporation of Connecticut
Original application March 18, 1943,»Serial No.
479,563. Divided and this application June 30,
1944, Serial No. 542,925
5 Claims. (Cl. 218-6)
This invention relates to improvements in fas
tener setting .or attaching machines adapted for
"y engages the hub of the foremost button element
in the raceway and forces it p-ast a releasable
detent and into the jaws of a‘fastener setting
use in securing together parts of buttons or fas
tener elements upon a’supporting structure such
thereby in the raceway during the period_of
feeding the foremost button into the receivmg
member may be upset when attaching the fas
tener members to their support.
This application is a division of an earlier ap
Another object of this invention is to use the
feed means as a temporary cut-olf for the next
succeeding button element and others backed up
as garments or other articles of fabric material.
As herein disclosed the fastener elements may
consist of an eyelet member and a hollow button
y member within which the shank end of the eyelet
. 1o
plication, Serial No. 479,563 filed March 18, 1943,
now Patent No. 2,373,436, granted April l0, 1945,
j Further objects and advantages of this inven
tion will appear more fully from vthe following
description particularly when taken in connec
1tion with the accompanying drawings illustrat
ing the preferred form of the invention wherein:
which pertains to a mechanism associated with
the operation of the upper jaws.
y Fig. 1 isa side view of a portion ofthe machine
The machine in general comprises an anvil
embodying the-improvements, parts of which are
upon which the eyelet member _may be positioned
broken away tov show better the structural de
with the shank projecting upwardly, a pair of
tails, with the upper jaws and setting punch
jaws by which the button member may be posi
tioned over the eyelet shank, and a setting ktool 20 shown in retracted position and the means for
in the form of a plunger by which the button “ feeding the fastener elements into the upper
jaws in partially retracted position.
may be released from the jaws and the button
Fig. 2 is a similar View of the upper portion of
and eyelet secured together by relative move
the machine, showing the mechanism for oper
ment between the tool and anvil.
ating the jaws in` an advanced position, and the
Heretofore, it has been the more common
practise in machines of the above nature to 25Y button feedingl plungerin a retracted position. ,
Fig. 3 is a. fragmentary view of the upper jaw
feed the fastener element, which in this case is
feeding means and showing a button element in
the button member, to theupper jaws through
the process of being picked up from its track and
feed tracks from a hopper depending entirely
upon the force of gravity. In practise in conven 30 fed into the jaws.
Fig. 4 is a similar view showing the feeding
tional machines in resorting to gravity as a kfeedmeans having advanced the button completely
ing means, where the operator is working upon
into its receptive socket in the jaws, and
a garment or some device to vwhich fasteners are
Fig. 5 is an enlarged sectional view taken
to be set relatively close together, it has been
transversely at the end of the button feed track
found that the operator can work faster than
on 'line 5-5 of Fig. 1.
the speed in which the fasteners could be fed
The invention to be described is applied to a
into the jaws by gravity, and, therefore, resulted
portion of the machine comprising a bearing
quite frequently in a missing `fastener or -in aV
block I0 supported by a head Ilrextending up- .f
wardly and forwardly from a portion of the ma
chine bed plate I2 which in turn may be mounted
such as disclosed in the Veillette Patent No.
upon a suitable pedestal or support i3, a portion
1,836,887, or operated by a, crank connection at-of which is shown in Fig. 1. Mounted- upon the
tached to a clutch operated drive shaft, suchl as
bed plate I2 is an anvil I4 for the purpose of
disclosed in the Warner Patent No. 1,575,596.
In order to overcome the above faults, it is one 45 receiving a fastener element herein described as
anattaching eyelet I5.
of the prime objects of this invention to Provide
,As a vmeans for properly positioning and retain
a positive means for feeding the button elements
the attaching eyelet or fastener element I5 upon
into the upper jaws of the machine directly froml
deformed fastener. This has been particularly
true in machines that are Aeither foot-operated,
the end of a raceway or feed track. '
Another object of this invention is the arrange
the anvil I4 a pair of lower jaws I6 may be pro
50 vided between which the eyelet may be thrust
ment of the positive feeding means and a race
AWay through which the button elements 'are fed
to the jaws such that the axis of the button ele-ments are arranged in a radial fan-like position
and located so that the pusher means selectively 55
prior to a setting operation. These jaws I6 may
be plvotally‘conne'cted as at Il to a vertical mov
able slide I8 connected by means of ¿la link I9
with the forward end of a lever 20, which is
adapted to be pivotally mounted upon .the ped
estal I3 and actuated by suitable mechanism of
operated with the inventive features of the ma
the machine to move the link I9 downwardly and
AsV was pointed out in the objects of this inven
tion in order to speed up the feed of the button>
elements into the upper jaws 33 provision is made
cause the lower jaws to spread so as t0 remove
` them from the fastener element during the set
ting operation. The jaws may be yieldingly held
in their normal fastener receiving position by a
for positively feeding the buttons directly into
said jaws from the feed track 315. As best shown
spring 2l.
«in- Figs. 1, 2. 3 and 4, the lower end of the feed
The attaching eyelets I5 are fed from a. hopper
' (not shown) and stacked in a raceway 22 leading
' track 35 is formed with a rather abrupt bend or .
arcuate portion 36a that positions the discharge
to »a guideway 23, and prior to eachsetting-op
eration a single eyelet is picked up from the end
of the raceway 22 and thrust forwardly through
. end of the track 36 in a substantially horizontal
'position and directly ‘in alinement with the in
turned jaw ends 35 when the latter are in their
the guideway 23 to its proper position upon'vthe
anvil, as by means of a feed slide 24.
normal retracted position.
The -fe'ed 'track *66 iis provided with a T-shaped
The feed
slide' 24 in turn is actuated by a rlink 25’_-o10erated
from any suitable mechanism' of the machine.
fslo't or -guidew-a'y, the central Wider portion 49 of
which Ais adapted to accommodate the enlarged
head 'of the button elements, and the narrow
In order to supply a complementary fastener
element for the attaching eyelet I5, such as‘a
portion 5S of which opens through the lower side
button member 2E, andrcarry it into alinement
therewith for thepurpose of attaching the same 20 of the feed track 36 and is adapted to accommo
date the ‘shank of the buttons '(see Fig. 5.)..
upon a supporting member, Ymeans is provided 'in
The buttons are ‘adapted to slide 'by gravityy
the ¿for-'m of a plunger'î‘l mounted in the bearing
from a suitable hopper (not shown) down to the
block I0 and adapted to move longitudinally 'with
arcuate ‘portion 36a ofthe track where the fore.
its ¿axis in alinement with the anvil |11. lTo vp-ro
videffor the endwise Ir'novement of "the plunger 25 most -button will be stopped by a stop pin 5|
slidably ‘mounted in the 'feed track 35, andthe
21, it -isÁ connected by lmeans of a link 28 tothe
following `buttons will stack 'up in "the T-shaped
forkedend ofa main 'lever '29 through a connecté
guideway d'9, '55) of the feed track. The pin BI
ing pin 3%.A l'Zf‘heflever 2e 4is pivoted as at 3| v'to
isheld normally 'in a depressed 'position by means
the head II. ' rThe lower end of the plunger ‘27
is Aprovided with a setting tool or punch 32 having 30' of a leaf spring 52 secured tothe ‘upper face ¿of
a reduced portion -S-'Zcvfor fitting into the hollow
said feed track. The depth of the guideway'dfß
ofthe button member andV serving to upset 'the
i's 'somewhat greater than the 'no'rmîal thickness
end_of the eyelet ¿f5 c_oincidenftfw'ith the setting
of the button vhead sofas _to allow‘the buttons tov
be readily kguided har'ou‘nzîl the twisted portion of
, YAs ¿a convenient means for positioning the'but 35 the track as is indicated at ‘36h (Fig. '15 without
jamming therein. To prevent the 'button heads
ton Yelement A2li _in alinementw'ith the lsetting ltool
32„,apair ornpper jaws '31% 'are "provided ‘arid
slidably V~mounted _upon -an integral vportion lIlia
from overlapping each _other ‘when tlíe‘yapproach
vided with inturned portions 35 that are adapted
in Fig. l'.
in, norma @einer i@ fue' auna with ’maremma
The 'purpose of the `abrupt bend or varcuate por
tion 35a of the feed track is to cause thebutton
Shanks in Vthat part 'of 'the track to assume Vva
the stop pin 5I 'aV restrictive plate 53 Ais'secure’d
to the arcuate portion "3 5a 'of the'feed'track within'
projecting from the VV»front v face Yoff v -they 'bearing
bloc-k Hl, v'The lower ends ofthe -jaws- 33 are pro 40 the 'upper part 'ofthe gu‘i‘deway e9, as best shown
ena-@if a,;.fe_a;ia¢kï3e through, whaha@ button
elements _25 are «fedjfromra vsuitable'hopper (not
plain-ed later «and lforms the subject matter y¿of
this’ ,invention . The @meer ends’ .0f _the Jaws. 33
aresuitably hinged ¿together as by apivot'screw
Operaia-tand te@
.are germany . heIdÍi?fa'
clamped closed positionVby/means of a spring
The inturned ends 35 ofthe jaws-have their ad
jacent faces Vcut ¿out torprovide ?a suitable- recess
with 'the narrow 'recess '5B of 'the T-slot and en
3'.' in order to allow the lower intur'inedpor-tions.-
buttonthere-frem and! allow _the setting‘tool 32
to pass therethrough coincident'withfthe setting
radially ’spread fan-like» 'position to allow 'for the
flattened port'i'on or ’feed `finger end 54a of va
reciprocatory rod L54 _to advance in alinement
shown¿)„i_-n a manneraswill ¿'befmore fully ex
3§thereof 'porsi/vingÍ outwardly .for releasing the
gage the shank rof the foremo‘stîbutton only .and
feed the 'same past the ’stop >pin '51, and thence
into the jaw recess 34.v In'forcing the‘bu’t'tori .past
the stoppin 5I, the latter ‘will “be forcedupwardly
againstthe iniiu‘en'ce ‘of the 'spring 52. 'The act
of feeding the vforemost'button past .the stoppin
5I lis best shown in Fig. 3, and 'it will alsobe noted
in this figure that the upper surface of YtherÍ'feed
Y or ¿socket '3,4 vfor the reception of the, button -ele-A
mentQZSwl-ien,fedgthereinto,from the feed track
finger >also 'serves as 4‘a ‘stop ‘for the next ’succeed-'
ing button during the 'time 'that it is feeding the
and' frictional relation to -the face .of the A.block
projecting Aportieri Ißa as by means of screws 39
then by gravitybe 'caused to vslide intoengage-Í
ment 'with ‘the stop pin 'ready t'o be picked u'pïby
foremost >'button "into the `jaw ‘ends '35. V`When'
ââand also Ito allowfor clearance for th'eedescend
ing. -setting 'tool 32 when removing the `button 60 theV feed finger rod Bâ'h‘as v'been retracted toits
starting positionY the next succeeding button 'will
from said jaws. The vjaws 33 are held in íslidableV
and Yïlîl »secured thereto. The yupper'f'se'rew 39
supports a friction washer 42 that lis compressed
against the» face -of the-jaws 33 Y'by means Ío'f'a
spreading camin‘ember operatedfby’nre'arrs 'of an
integral knurled 'head "4‘4 for the purpose of
spreading "the jaws 33' *manually in c’a'se it is ‘de’
sire'd jto'reinove 'a fastener N'from lthe ‘jaw ends.
the feed ‘finger ‘on 'the' next stroke. >The. 'feed
l ‘ ñnger' rod '54 'is slidab'ly‘ mounted in` a` bracket
bearing 55 secured `to thehead 4I"I'.
In. order to 'provide a vsafety feature vin 'case'
the button elements shouldbecoine stuck or
, jammed within the î'j‘aw’s `3'3 'o'r'f’eed track ‘36 dur
‘ing the ‘feeding operation, ’the feed “finger rod
54 is -operated through ‘ajcushio’ned plunger
Specifically “the plunger Et’i‘is .slidably mounted
The îj‘aws'a'nd associated attaching Yparts v"form
in a suitableire'cess BTI'in headfl'l and is y,pi‘fov'ic'ied
n'o part 'of thepres‘ent inven’tîon'e'xcept ‘inasmuch- I..:¿,.:withî »a hollowV interior'äß into which is received'Y4
as “they cooperate the`rewith,"and"are‘ functionally ~~"a 'relatively heavycompression spring 59, one'end
2,406, 5.16
radiallydiverging position, thedischarge 'end of
of which isv abutted, against the base of the hollow
linterior and theother end against the vadjacent
end- of the feed finger54. Outward movement
said arcuate portion having a releasablev stop
means to limit the travel of said elements, and
a slide means having its forward end operating
of the feed finger relative to the plunger 56 is
prevented by means of a transverse pin 60 se Ul tangentially of the discharge end of said arcuate
portion, the position of said stop means and o_f
cured to the inner end of the feed finger rod 54
and slidably operated in a pair of opposed-longi
the pathway of the forward end of the slide'means
.relative to the arcuate portion and the lbend of
tudinal recesses 6I formed axially in the plunger
the arcuate portion of said track beingsufilcient
56 as shown in the sectional portion of Fig. 1.
The plunger is adapted to be reciprocated through 10 to dispose the shank of the foremost elementonly t
of a series of normally conñgurated fastener ele
a link 62 tied into a suitable operating part of
ments `in direct alignment with the forward end
the machine.
of said slide with the next successive elements
' Since it is the purpose of this machine to posi
disposed in edge-to-edgecontact of their heads
tively feed the fastener buttons into the recesses
34 of the jaws at a speed greater than can be 15 and their respective shanks out of alignment
with the forward end of said slide and wherein
attained by gravity, it -is essential _that the re-f
the foremost element only of the series of ele
cesses‘34 of the jaws 33 be alined with the end
ments will be fed into the setting station by the
of the feed track 36 in proper time relation to
feed slide upon one cycle operation of the ma
the feeding stroke of the feed finger rod 54.
The operation of the jaws 33 by a special linkage 20
2. In a feeding mechanism for feeding fas»
mechanism generally indicated by the numeral 65
for connecting to and operating said jaws off of
taching machine, said mechanism comprising a
guideway terminating at its discharge end in_an
arcuate portion, said arcuate portion having an
opening thro-ugh which the'shanks of said ele
ments project in a downwardly radialpositional
' releasable stop means adjacent the discharge end
In the operation of this machine during the
tener elements having a head and a shank from
a hopper to the setting station of a fastener lat
the main operating lever 29 is used here to effect
this result. A more complete descriptionof this
linkage mechanism is not considered necessary
here as it forms no part of the present invention
and is fully disclosed in the aforementioned ap
plication of which this is a division.
of said guideway serving to check the travel‘of
said elements and cause them to stack uplin said
time that the jaws 33 and plunger 21 are being
guideway, and a rectilinearly operated feed
returned to their normal uppermost position, a
finger operating tangentially of said guideway,
fastener element I5 will be fed into the jaws I6
said guideway terminating in its arcuate portion
by means of the slide 24 in the usual manner 35 and said arcuate portion being of sufficient cur
and held in place upon the anvil by the lower
vature and the feed finger being so positioned
jaws I6. The feed finger end 54a of the rod 54
relative to the arcuate portion that with nor
will next move in to pick up the foremost button
mally conñgurated fastener elements the feed
' 26 in the discharge end of the feed track 36,
finger will engage the shank of only the foremost
force it to cam past the stop pin 5I and into the 40 fastener element to force said element past said
recesses 34 of the inturned jaw ends 35, and
stop means and into said setting station upon
immediately start to retract before the plunger
each cycle operation of the machine.
21 descends. During the time that the feed fin
3. In a feeding mechanism for feeding fas
ger end 54a is advancing to deliver the foremost
tener elements having a head and a shank from
button to the jaws the upper surface thereof
a hopper to the setting station of a fastener at
will serve as a temporary stop for the next suc
taching machine, said mechanism comprising a
ceeding button and the others backed up thereby
guideway terminating at its discharge end in an
in the feed track 36 in a manner as shown in
arcuate portion, said arcuate portion having an
Figs. 1, 3 and 4. When the feed finger end 54a
opening through which the shanks of said ele
has cleared out of the pathway of the buttons 50 ments project in a downwardly radial fan-like
26, the stack of buttons will feed down the race
position, a releasable stop means adjacent the
way with the next succeeding button, which now
discharge end of said arcuate portion serving to
becomes the foremost button, engaging against
check the travel of said elements and cause them
the pin 5I as a stop in line with the feed finger
to stack up in said guideway with their heads in
end 54a, completing the cycle of operations.
edge-to-edge contact, and a rectilinearly operat
While there has been illustrated and described
ed feed finger` operating tangentially of the dis
a machine that has been built and successfully
Jcharge end of said guideway` said guideway ter
operated embodying the inventive concepts of my
minating in its arcuate portion and said arcu
invention, it should be understood that the in
ate portion being of suñicient curvature and the
vention is not intended to be limited to the specific 60 feed finger being kso positioned relative to the
form disclosed in this application, but should be
opening in said arcuate portion that with nor
regarded as including modifications and varia
mally conñgurated fastener elements the feed
tions thereof within the scope of the appended
finger will engage the shank of only the fore
element in said guideway and force said
I claim:
element past said stop means and into said set
1. In a feeding mechanism for feeding fastener
ting station, said feed finger acting as a cut-olf
elements having a head and a shank from the
for the next succeeding element and those sup
hopper to the setting station of a fastener at
ported thereabove in the guideway during the
taching machine, said mechanism comprising a
guideway leading downwardly from said hopper 70 period of feeding the foremost element and re
and terminating in an arcuate portion adjacent
turning toward retracted position.
the setting station, the fastener elements being
4. In a feeding mechanism for feeding fas
disposed in said guideway with their shanks di
tener elements having a head and a projecting
rected outwardly and downwardly and in the
lshank from a hopper into the setting station of
arcuate portion with their shanks directed in a 75 a fastener attaching machine, said mechanism
comprising a feed track leading downwardly >from
tener elements having a head andan >.axial pro
iecting portion from a hopper ’to the setting sta-.
'tion v‘of a'fas’tener attaching-machine, saidlmech
said hopper and serving to hold the -elements’in
uniform ystacked position, the discharge end of
said feed track having an arcuately Yleent portion
anism comprising a feed track ¿leading :down
of a character t'o dispose the adjacent elements 5 Wardly from said hopper‘and terminating ‘in 'a
relatively short `arcuate portion, said feed track
in the feed track with ’their axes in 'radial rela
providing a lpathway of .a shape ~complementa-ry
tionship and their Shanks in a generally depend
ing `and diverging position, a rectilinearly ad`
to the elements and opening rthrough fone »side
thereof, a releasable stop `means operatingwithin
Vanceable and retractable feeding means oper
the pathway >to check the yforemost of the eie
ating tangentially of the arcuate portion of said
ments passing through >said pathway directly
track, a releasahle stop means located vadjacent
the discharge end of said arcuate portion for
from said hopper and hold any succeeding ele
releasably maintaining the foremost -radially po
ments with 'their heads 4in stacked edge-:to-edge
`contact relationship in said feed track, and a
sitioned velement `Within the lend of Asaid track,
rectilinear feed iìnger `ope*rating 'tangentially Soi
the ’position -of the stop mean-s and of the 'path
’Way ofthe feeding means relative to the arcuate
and through the lopening in the discharge .end ¿of
portion «and the >loer-1d of the arcuate portion of
the arcuate portion of the feed track, said feed
trackterminating in its arcuate portion >and the
arcuate portion being of sufficient curvature and
mally conñgurated fastener elements in ldirect 20 the feed finger Abeing so positioned relative to the
-alignment With said feeding means with the next
opening rin said arcuate portion that with nor#
successive »elements stacked iin said arcuate por
mally con'íigurated fastener lelements the lead
tion by edge-to-edge contact of the element
ing end of said >finger during forward motion will
heads such as to dispose their respective shanks
engage the «axial projecting por-tion of the fore
out of alignment with said .feeding means land so 25 most element and clear the projecting portion of
that the next succeeding elementv will be ready
the next >succeeding stacked `elements, in said vfeed
to assume the position of the ñrst element with
track, and said feed iinger acting as a cut-off
the minimum amount of travel in said 4track im
for said succeeding elements in the feed track
. mediately upon the retraction of the feeding
during the advancing and .retracting stroke.
said -track being suiiic-ient to dispose the shank
of the foremost element only of las'eries -of nor
5. In a feeding mechanism for feeding »fas
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