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Патент USA US2406456

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A118- 27, 1945`
' -w. J. DE wlTT ETAL
2,406,456>
FIsHHooK MAKING MACHINE
5Filed .June 29, 1944
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Herbert A Corbett
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Au8~ 27, 1946.
w. J. DE WITT ETAL
2,406,455 ‘
FIsHHooKMAKING momma- y
Filed June 2,9, 1944
’
3 Sheets-Sheet 2
Inventors
Wzllliaml ÜeWLÉÉ
Herberl‘t- Á . Corbett
By tZzLr Attorney
. All@ 27, 1946-
w. J. DE wrr’r ETAL
2,406,456 I
FIsHHooK MAKING MACHINE
Filed .nine 29, 1944
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Patented Aug. 27, 1946
2,406,456 V '
UNITED -STATI-:s PATENT oFFlcE
2,406,456 `
FISHHOOK MAKING MACHINE
william J. De Witt and VHerbert A. Corbett,
Auburn, N. Y., assignors to Shoe Form Co. Inc., Y
Auburn, N. Y., a corporation of New York
Application June 29, 1944, Serial No. 542,710 .f
1o claims. (o1. »2s-9i
1
2 ,
This invention relates to machines for operat
carrying a plurality of work holders or~ chucks
ing upon wire blanks, and is herein illustrated as
I2, a magazine I4 for lishhock blanks, and ay
drum I6 for `moving blanks one at a time to the
embodied in an automatic iishhook making ma- .
chine of the type Idisclosed in application for~
United States Letters Patent Serial No. 451,792,
ñle‘d'July 21, 1942, now Patent No. 2,379,886,
granted July 10, 1945, in the names of William J.
De Witt, Ernest L. Ott and William B. Runk.
work holders.
`
f
The turret -l 0 is mounted upon a portion of the
frame I8 of the machine, and is `arranged to be
rotated successively to present the work holders >
to various operating instrumentalíties (not
shown) arrange-d about the periphery of Ithe tur
ret. For further details of construction and op
eration of the turret, reference may be had to
It is an object of the invention to provide im
proved mechanism for feeding wire blanks, such
as ñshhook blanks, to the work holders of a
forming machine, in such a manner that the
they aforementioned application.
blanks will be accurately positioned in the holders n
so that'they can readily be presented in preden `
'
Eachr ofthe work holders Vor chucks l2 com~
prises ya sleeve 29, Figs. l, 2 and 5, carrying at
termined position to instrumentalities for carry 15 its upper end a stationary clamping jaw 22,
ing out the forming operations. To this end and
there being a spindle 24 extending through the
sleeve and terminating in »amovable clamping
as illustrated, the invention provides in a ma
jaw 26. The operating portion of the movable
chine ofthe type referred to a rotatable turret
having positioned thereon a plurality of work
clamping jaw comprises a` laterally projecting
plate 28 having a portion 30, received in a slot in
holders, a magazine for fishhook blanks, feed
mechanism for moving blanks from the maga
plate
the upper
in predetermined
endv ofthe spindle,
position,
for maintaining
and a-'screw 32
zineone at a time to the work holders in a direc
tion opposite to »the movement of the holders,
for securing it to the spindle. Thel purpose of
_together with mechanism for positioning each
this is to facilitate they replacement of the plate
blank in «predetermined relation to the holder Í' when it becomes' worn.` YThe stationary jaw r22
and> securing it in `lixed position therein. 'I‘his
has an inset~portion 34, which is beveled, as
mechanism is advantageous in that, since the
shown at 36, adjacent to the spindle, to receive a .
blanks are accurately located relatively ‘to the
`wire i’ishhook blank, such as a 'blank 38, to posi
tion the blank horizon-tally and to’ hold it in
holders, the presentation ofthe blanks to various
operating instrumentalities is closely controlled. "30 such vposition `when the movable clamping jaw
This avoids any likelihood of damaging blanks
is pressed down upon the blank. The movable
due to improper location of the ends of the
jaw 28 is normally forced downwardly toward the
stationary jaw by means of a spring 4€) sur
blanks to operating tools, such as dies for per~
forming an eyeing operation, or a 'chisel for form
rounding the lower end ofthe spindle and rest
ingabarb,
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>urges the spindle and the movable jaw down~
wardly to force the two jaws into engagement,
and, when al blank is positioned »between the: '
shown in the accompanying drawings, and> are
pointed outin the claims. In the drawings,
This spring normally,
ing upon> a ,Washer 42.»
’
These and'other features of the invention 'are
described in the following specification, are
jaws, ñrmly to grip it with the blank resting in ‘
In order to openthe'jaws to per
mit the insertion of a blank, there is provided »a
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40 the recess 34.
' Fig, 1 is a front elevation of a portion of a
ñshhook making machine, showing the relation
of the feeding mechanism to the turret;
lever 43 arranged -to be operated automatically,
when the turret is in position' with a work holder
adjacent to the drum I6, to force the spindle up
Fig. 2 is a vertical sectional view taken along
line II-II of Fig. 1;
’
45 wardly, thus to raise'the upper -jaw a lsulii’cient
Fig. 3 is a plan view of the feeding mechanism
distance to permit insertion'fofa blank.'
and a portion of the turret;
The magazine I4 is carried by an opstanding
.
Fig. 4 is a side View onV an enlarged scale
bracket M, mounted on vthe framer of the ma~ '
showing mechanism for locating blanks relative
t0 work holders; and
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Y Fig. 5 is a perspective view of a portion of the
turret with a work holder, together with mecha
nism for lpositioning the blank relatively to the
holder.
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The machine ycomprises' a rotatable’turret I0 ,
A50
chine,- and comprises an upwardly extending rearl
wall’ßß, and a downwardlyinclined bottom plate
, 50.
Wire-iishhook blanks,.such asjblanks 38„canV
be stacked in the hopper 'and gravity will operate
to‘urge them downwardly alongthe inclined bot
torn of the hopperinto‘eng'agement with the pe‘riphery‘ofthe'drum I6.'
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2,406,456
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movement of the lingers when they are retracted
to permit a blank to be advanced toward the
abutments Qû. The fingers» are retracted by ,
Mech'anism is provided for moving the blanks
one at a time into position to be advanced to
work holders` I2 upon the turret. This mecha
nism includes the drum I6, which comprises two `
means of cam wheels |02 mounted upon the shaft
rotary shaft 56 arranged to be driven by a gear
sively to engage nose portions |06 on the feed
lingers. Thus, as the shaft is rotated, blanks are
circular disks 52 and 5A which are keyed to av fil 55 and having spaced teeth IM adapted succes
5S. The disks extend into the magazine I4 with
- successively picked up in thevgrooves 64 and 6B
their peripheries close to th'e'lower end of the in- l
clined bottom plate 5G, so as to support the
from the hopper and rotated into position wh'ere
blanks„ the disk 52 having a wide flange 59 for‘
that purpose. The disksV are spaced apart uponl
platforms 82 and 83.
they drop by gravity from their grooves onto the
The Vtiming'of the mecha- .
nism is such that, as the associated grooves in
opposite sides of the path of movement of the
Work holders I2 on the turret, so that the'work
holders may passv through the drum in receiving
blanks therefrom. The disks forming thev drum`
areV provided alongV their peripheries with pairs
the plates @il and 66 approach the platforms 82
and S3, the teeth' H34 operate to retract the feed
fingers vto permit passage of a blank. Shortly
afterwards the nose portions Iûß of the lingers .
are released from the teeth, and the springs 90
force the feed fingers downwardly to engage the
blank and move it into engagement Withfthe
non of the drumA results in shifting the blanks 20 abutments S0 in alinement with the open jaws
of awork holder then in position to receive a
through an angular'distanceï'cf about 300°. to`
blank. As th'e work holder with a blank therein
`move them into position to loe-fed to work holders.
moves past the platforms,l the pressure of >the
In order to maintain the blanks »in position in
blank upon the fingers causes them to retract
the grooves during this movement,V there are
slightly against pressure of the springs until the
25
provided two _curved guide plates Sli and 65 ex
:îe'ed fingers disengage themselves from the blank
tending close to the outer surfaces of the disks
` V'of alined grooves 60 and 62 adapted successively
to engage and to pick up the lowerrnost of the
blanks positioned within the magazine. Rota-`
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which is then carried bythe work holderth'rough
' ,52 andV iidl throughout considerable portions of «
theV passage between the plates and' the lplat
forms, and is advanced to an operating 'station
to the' bracket @il and has a vertical wallk
ex
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tending along the outer face of the disk 52 and a 30 (not shown).
their `perip'heries,Y The guide-plate 6d is 'secured
In presenting blanks toA operating instrumen- .
à l horizontal rflange 60 extending along the flange
talities, it is important vthat each blank project
50 of the disk. The guide plate t6 is similarly
.by a predetermined distance laterally from the Y,
shaped, having a vertical Vwall 'i0 and-a vflange
l f l2.
line of feed thereof, in order that uniform loca
The plate Sii is supported to extend alongv
the outer side of the disk 'Se by means o-f an
arm 'I4 mounted upon the upper Vend of the
35
ing mechanism, can -be obtained. To accomplish
this, there is provided a blank positioning de
bracket ¿lâ and> secured‘in ñxed position of ad
j_ustment laterally of the bracket by a bolt '16'
extending through an elongated slot 'i8 in the
arm. The vertical wallY 'I0 ofthe guide plate 66 40
vhas at `its upper inner 'end an outwardly curved
part 80,-*Figs 2 and 3, >which acts asa prelimi
'
tion of successive blanks, relative to the operat
positioning member to >force blanks, located
vice comprising a linger |08, Fig. -4,«1ocated ad
jacent to the platforms along the path. of Ymove
ment of the outer'en'ds of the blanks. "The finger 'y
is pivoted upon a pin H0 >carried by the kguide
plate 54. The .linger is forced inwardly against
the ends of the blanks, as they pass by it, by
means of a Vleaf spring IIZ whichvmoves th'e
blanks laterally. until their pointed ends engage
the vertical wall £3 of the guide‘plateY 64, thus l
in the' grooves âêand b2, toward the vertical wall
' e., of merecida et, so »that blanks which may
Vhave been unevenlyl stacked inthe khopper can
be readily moved along the guide platesin Vad- `
locating them with the pointed ends in prede
termined position transversely of the path vof
vancing the yblanks toward the-work supports;
movement of the work-supports.
i - .
The lower. ends of the guideplatesY 64 and 50
In the operation of the machine, pointed lish
are curved outwardly away 'from the peripheries 50
hook Vblanks are placed in the hopper. I d with their
. of the disks 52 Vand 5G, and constitute platforms
E2 and 83 for receiving each blank 'a’sit drops - pointed ends disposed away from the axis ofthe
turret I0. 'I'he drum I0, by means of the grooves
.by gravity from the grooves blitz.' There are
.60,
Asuccessively picksup blanksrfrom the maga
vtwo horizontal plates Sßl `and 85, secured respec
`
tively to the guide plates S4 V'and 66, across which 55 zine and rotates them through an angle of about
300°, the blanks being'retained in the grooves
thel blanks are advanced'from the .platform 82.
during their downward movement by the guide
The plates 8f3 and 8‘5 are provided with' beveled
plates 64 and 66. Shortly after the' blanks are
È , surfaces 88 which terminate in abutments 99 for
picked up by the drum, they are shifted-laterallyV
" determining the position of each blank along the
at the 60 by means of the member 80, which serves to dí
rect them into the space between the guide plates.
holder.
’ As each blank approaches the end orfvits move
and 83
ment with the drum, itis positioned in definite
a suiii
relation laterally to the path of movementof the
cient distance `to permit the vpassage of ablank
path of movement of the work holders
time of presentation of the blank to a
t is to be noted that the platforms 82
are spaced above the platesl 84 and '86 by
beneath the platforms after it has been'posi
65
i tioned ina work holder. Í
In order to feed the blanks into position be
tween the jaws,- there are provided two feed
f` fingers Q2 loosely mounted upo'npivots £4 on the
guide plates 54 and 65, respectively. The fingers
are normally >urged by springs 96 in a direction
opposite tothe direction ofmovement of the
work holders ¿between Vthe platforms. Portions
ofthe plates -anjd the'platf'orms are cut away, '
l' respectively, :at 98' and `|00 vto permit. rearward
work holders I2 by the spring-pressed ñngerIIìS,
after which the blank drops upon the‘platforms
S2 and >Bil, and is forced against the abutments
05] by thev spring pressed fingers 92 kwhich locate '
the blank in alinement with thefjaws of a work
holder. :When a work holder with’ open jaws
passes between the platforms, the fingers 92 yield- '
ingly force the blankbetweenthe jaws to locate it
in the pocket formed bythebevel Sßin the lower '
jaw, and the ñngers retain controlv of the blankv to
_ Yhold it `in fixed position vuntil the lever ¿I3` is re
2,406,456
5
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leased, thus closing the jaws to clamp the blank
in the holder in predetermined position for pre
to the path, two spaced disks located upon oppo
site sides Aof the path adjacent to the magazine
,
sentation to an operating instrumentality.
for feeding blanks one at a time from the maga
zineto the platforms, and spring pressed fingers
Having described our invention, what we claim
as new and desire to secure by Letters Patent of Ul for moving the blanks successively across the
platforms into engagement with the abutments.
the United States is:
,
'7. A machine for operating upon wire blanks
l. A ñshhook making machine comprising a
comprising a work holder, means for moving the
rotatable turret, a plurality of chucks mountedA
work holder along a predetermined path, feed
uponthe turret, stationary platforms extending
platforms located upon opposite sides of the pathr
upon opposite sides of the path of movement of
of movement of the holder, blank locating abut
the chucks, a magazine for holding fishhook
ments adjacent to the platforms, an open-ended
` blanks, a drum located adjacent to the platforms
magazine located adjacent to the path, two- spaced
and to the magazine, grooves in the drum for re»
ceiving blanks from the magazine, means for ro- '
tating the drum to feed the blanks one at a time
from the magazine to the platforms, and inter
disks located upon opposite sides of the path ad
jacent to the magazine, the disks being provided
with alined grooves for receiving blanks from the
mittently operated feed fingers for advancing
magazine, means for rotating the disks to move
blanks one at a time from the magazine to the
each blank from the platforms to a chuck.
platforms, spring pressed fingers for moving the
2. A ñshhook making machine comprising a
chuck, means for moving the chuck from one op 20 blanks one at a time across the platforms into
engagement with the abutments, and means oper
erating station to another, a magazine for fish
able to retract the fingers prior to movement of
hook blanks, stationary platforms extending upon
a blank to the platforms.
opposite sides of the path of movement of the
8. A machine for operating upon wire blanks
chuck, means for advancing blanks one at a time
from the magazine to the platforms, and fingers 25 comprising a magazine for blanks, a plurality of
disks located adjacent to the magazine and hav
for moving a blank from the platforms to a chuck.
ing alined grooves in the peripheries thereof for
3. A fishhook making machine comprising a
receiving blanks from the magazine, two spaced
work holder, means for moving the work holder
platforms located adjacent to the disks, means
from one operating Station to another, stationary
feed platforms located upon opposite sides of the 30 for rotating the disks to advance the blanks one
at a time >from the magazine to the platforms,
path of movement of the work holder, a maga
abutments adjacent to the platforms for locating
zine for ñshhook blanks, a drum for advancing
a blank in a predetermined position, spring
blanks one at a time from the magazine to the
pressed fingers for moving a blank upon the plat-platforms, and feed fingers for presenting a blank
forms into engagement with the abutments, and
upon the platforms to the work holder.
a work holder mounted for movement between
4. In a fishhook making machine, a plurality of
the disks to receive a blank located in position
chucks, means for advancing the chucks succes
sively past an operating instrumentality, a pair
of platforms located upon opposite sides of the
path of movement of the chucks, a magazine for
against the abutments.
9. A machine for operating upon wire blanks
comprising a plurality of work holders, each hav
fishhook blanks, a rotary drum for advancing
ing blank clamping jaws, means for moving the
blanks one at a time from the magazine to the
Work holders in a predetermined path, blank re
platforms, spring-pressed ñngers for advancing
ceiving members positioned upon opposite sides
of the path of movement of the work holders,
stationary abutments for locating blanks in a
blanks one at a time from the platforms to the
chucks, and means operable positively to retract 455
predetermined position relatively tothe path,
the fingers prior to movement of each blank to
the platforms.
5. A flshhook making machine comprising a
plurality of spaced stationary platforms, a rotary
means for feeding blanks one at a time to the
blank receiving members, pivotally mounted feed
fingers for advancing the blanksr successively
drum adjacent to the paltforms, a magazine for 50 across the blank receiving members into engage
ment with the abutments, and means for retract
fishhook blanks adjacent to one side of the drum,
ing thefingers during movement of a blank to
a curved guideway partially surrounding the druml
thel blank receiving members.
and extending to the platforms, grooves in theA
` 10. A machine for operating upon wire blanks
drum for receiving blanks from the magazine for
comprising a magazine, two spaced disks located
advancing the blanks one at a time along the
guideway to the platforms, a turret, work hold
ing devices carried by the turret, means for ad
vancing the work holding devices successively into
position between the platforms, and means for
presenting a blank on the platforms to a work
holding device positioned between the platforms.
6. A machine for operating upon wire blanks
comprising a plurality of work holders, each hav
ing blank clamping jaws, means for moving the
Work holders along a predetermined path, feed
platforms located upon opposite sides of the path
of movement of the work holders, blank locating
abutments positioned adjacent to the platforms,
an open-ended blank magazine located adjacent
-adjacent to the magazine, 'said disks having
alined grooves for receiving wire blanks from the
magazine, a work holder having blank clamping
jaws, means for moving the work holder along
a path extending between the disks, blank 4re
ceiving platforms located upon opposite sides of
the path of movement of thework holder and in
alinement with'the jaws, means for rotating the
disks successively toadvance blanks from the
magazine to the platforms, and yieldably mount
ed fingers for advancing a blank on the platforms
in a direction toward the jaws of a work holder.
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WILLIAM J. DE; WITT.
HERBERT A. CORBE'I'T,
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