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Патент USA US3092161

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June 4, 1963
SABURO TSURUMOTO
3,092,151
MACHINE FOR MANUFACTURING HAIR COMBS FROM METAL WIRE
Filed Feb. 23, 1960
‘7 ‘Sheets-Sheet 1
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97 SABURO
Ts UR UMOTO
28
INVENTOR.
BY h/MM, M '14 'OM
ATTDRNE rs
June 4, 1963
SABURO TSURUMOTO
3,092,151
MACHINE FOR MANUFACTURING HAIR~COMBS FROM METAL WIRE
Filed Feb. 25, 1960
'7 Sheets-Sheet 2
$351.6
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SABURO
BuRuMoTo
.INVENTOR.
BYWm,mu/M
,47ToRwEvs
June 4, 1963
SABURO TSURU MOTO
3,092,151
MACHINE FOR MANUFACTURING HAIR COMES FROM METAL WIRE
Filed Feb. 25, 1960
7 Sheets-Sheet 3
SABURO TsuRumoro
INVENTOR.
BY h/MM, M ‘ii/0M
Arm/vars
June 4, 1963
SABURO TSURUMOTO
3,092,151
MACHINE FOR MANUFACTURING HAIR COMBS FROM METAL WIRE
Filed Feb. 23, 1960
7 Sheets-Sheet 4
5A BURO Ts URUMOTO
IN VEN TOR.
ATTORNEYS
June 4, 1963
SABURO TSURUMOTO
3,092,151 ‘
MACHINE FOR MANUFACTURING HAIR COMBS FROM METAL WIRE
Filed Feb. 23, 1960
'7 Sheets-Sheet 5
Eda. Z!
38
SABURU
TSURUMOTO
INVEN TOR.
BY
‘WWW/é
,4 TTORNE ys
J1me 4, 1963
'
SABURO TSURUMOTO
3,092,151
MACHINE FOR MANUFACTURING HAIR COMBS FROM METAL WIRE
Filed Feb. 23, 1960
'7 Sheets-Sheet 6
SABURO TsuRuMoTo
INVENTOR.
BY M,M¢JM
Arm/vars
June 4, 1963
SABURO TSURUMOTO
3,092,151
MACHINE FOR MANUFACTURING HAIR COMBS FROM METAL WIRE
Filed Feb. 25, 1960
7 Sheets-Sheet 7
Fig. 17
SABURO Ts URUMOTO
INVENTOR.
Byh/[MMJ
ATTORNEYS
United States Patent 0
ICC
3,092,15 1'
Patented June 4, 1963
2
1
FIG. 6 is a plan view showing the machine of the pres
3,092,151
MACHINE FOR MANUFACTURING HAIR COMES
FROM METAL WIRE
Saburo Tsurumoto, 232 Kashima-cho,
Higashiyodogawa-ku, Osaka City, Japan
ent invention.
FIG. 7 is an elevation view of the shaping pin ‘and
shows a ?ange on said shaping pin.
FIG. 8 is a view of a practical embodiment of an ap—
Filed Feb. 23, 1960, Ser. No. 10,421
paratus according to the invention in which the work
table is built in a cylindrical form.
6 Claims. (Cl. 140-71)
FIG. 9 is a side elevation of FIG. 8 as viewed from the
direction of the arrow A.
Claims priority, application Japan Oct. 10, 1959
This invention relates to a machine ‘for manufacturing 10
FIG. 10 is a side elevation of the inside of the work
hair combs from metal wire, in which 1a comb is formed
table of FIG. 8.
by repeatedly bending ‘a long metal wire at a de?nite in
FIG. 11 is a side elevation of FIG. 8 as viewed from the
terval ‘into the teeth of a comb, each one of the teeth
direction of the arrow B.
comprising an oval-shaped head and 1a foot composed of
FIG. 12 is a plan of FIG. 11.
two closely spaced parallel wires. This kind of comb is
FIG. 13 is ‘a side elevation of FIG. 11 as viewed from
‘principally used as a
accessory and the like. Since
the direction of the arrow A.
this type of comb is elaborate in its shape, requiring a
FIG. 14 is a view on an enlarged scale of ‘a part of
complicated bending process, they have been manu
FIG. 13.
factured for the most part by a manual operation and the
FIG. 15 is a side view of the part of the feed mecha
labor cost bears a high ratio to the total cost of the
nism of the raw material wire for an apparatus with a
merchandised combs.
cylindrical work table.
It is thereiore an important o -
ject to the present invention to manufacture the said metal
FIG. 16 is a side elevation ‘of the mechanism for
wire combs automatically‘ and at high speed.
shaping the raw material wire in the form as shown in
Namely, the machine of this invention consists of an
FIG. 5 .
apparatus for bending a long material wire into the de 25
FIG. 17 is a plan of FIG. 16.
sired form, and the apparatus ‘for shaping the said bent
Referring in detail to the drawings, 27 indicates the
wire into a comb. This latter shaping apparatus consists
heads of the comb teeth and 23 is the feet of the comb
of a work table on which shaping pins :and supporting pins
teeth. 29 is the intermediate parts between ‘said heads
are provided in proper positions respectively, and on one
and feet. A raw material wire 30 (see FIG. 5) is formed
side of the work table, a head shaping pincer supporting 30 into the various combs shown in FIGS. 1 to 4 by the
member is positioned close to the said table, and» on the
operation of this invention.
other side of the work table, a foot shaping pincer sup
FIG. 6 shows an example of an embodiment of this
porting member is installed. Either of these two support
invention in which a flat work table is used. In this
ing members or the work table 1are constructed so as to
case, on both sides of the ?at work table 1, a ?at foot shap
ing pincer supporting member in the form of a board 2
pincer supporting member and the foot shaping pincer
and a head shaping pincer supporting member in the form
supporting member are parallel shaping pincers, Which
of a board 3 are arranged in close proximity to the said
shape the raw material wire into the heads and feet of
table. The work table 1 ‘and the boards 2 and 3 are rela
comb teeth. These'shaping pincers are Provided with ‘a
tively movable in the direction of their lengths, that is
40
device which can push out the shaping pincers so that
either the work table 1 is advanced in the direction of
they can "advance toward the work table at the required
its length, or the foot shaping board 2 land the head
moment. These shaping pincers are designed to close
shaping board 3 are both made to ‘advance and return
their pincers and pinch the metal wire into the form of
in the direction of their length. On the work table 1,
heads and feet of combs. In this manner, the shaping
the shaping pins 4, 4, and the supporting pins 5, 5, are
pincers are made to advance forwards ‘toward the work 45 arranged in the longitudinal direction with an adequate
table, and shape the zigzaged raw material wire into the
space between the pins and they are ‘also mounted that
head and foot, so as to automatically manufacture metal
they can freely extend out of or retract into the table,
wire combs of 1a regular shape. In the machine of the
or be ?xed relative to the table. When they' are so de
present invention, pins for said shaping and supporting
signed that they can freely extend out of or retract into
can either be ?xed-1y mounted on the surface of work 50 the table, they are engaged with a cam and a thrust lever
move forwards ‘and ‘backwards.
On the head shaping
table or freely slidable so as to be extensible out of or
(not shown), and the movement is produced by making
retractable into the said sur?a‘ce depending upon the
elastic limit of the wire material. That ‘is to say, when
the cam work at the proper time interval so as to cause
the shaping pins and the supporting pins to extend and
the elastic limit is su?iciently high, the pins will not have
retract. On the surface of the Work table, the raw ma
to be retracted below the table, but when the elastic limit 55 terial wire 30 is wound ‘around the shaping and ‘support
ing pins as shown in FIG. 6. On foot shaping board 2
is insu?icient, since it is impossible to obtain a comb
and the head shaping board 3, the shaping pincers 7, 8,
with the teeth closely adjacent and Parallel ‘for a de?nite
9, 10 are mounted and spaced from each other. These
length of the comb, the pins are required to be retracted.
shaping pincers ‘are almost identical in their construction.
. For a more completeunders-t-anding or this invention
reference may be had to the following description and 60 These pincers are supported on the supports 31 so that
they are relatively movable transversely of said work
accompanying drawings, of which—
FIGS. 1 to 4 show various hair combs manufactured
by the present invention.
table 1, that is they advance and retract toward and away
from the work table. In addition the tip‘ ends of the
pincers are activated so as to be normally kept open,
FIG. 5 shows a raw material wire to be used in this 65
and ‘be closed by the action of the pinching devices 15,
invention.
3,092,151
3
4
15, which act on the sides of pincers 7—1ti at the proper
intermittently. Around the circumference of the work
table 1, the shaping pins 4 and the supporting pins 5
time. At the back end of the shaping pincers, pincer
actuating devices such as the earns 11, 12-, 13, 14 are pro
vided. By ‘the moveenint of these ‘actuating devices, the
shaping pincers are pushed forwards onto the work table,
and then caused to retract. The shaping pins 4 and the
are mounted so as to extend radially towards the drum
center in such a manner that they can freely extend out
of and retract below the surface of work table 1. In
order to support these shaping pins 4 and the supporting
pins 5, the cam 14 is provided inside the drum. The cam
14 is provided with a high surface 14a so as to support
the shaping pins 4 and the supporting pins 5 in an extend
ample from above table 1, into the position of with 10 ed position, and a low surface 14b to support the shaping
pins 4 and the supporting pins 5 in a retracted position.
drawn pin 4 to shape the wire previously shaped by shap
On the driving shaft 33, the cam 34b is ?xed. The cam
ing pins 4 into an oval. The head shaping pin 6 is posi
34b thrusts the pushing lever 35 at each movement of the
tioned inside the shaping pincers 8, so as to shape the
ratchet 34a, and causes the shaping pins 4 and the sup
head 27. By this head shaping pin 6 the head of the
steel wire tooth already shaped into a circle by the pre 15 porting pins 5 to protrude from the surface of work table
1. The shaping pins 4 and the supporting pins 5 are
ceding process is shaped into an oval equal to the shape
provided with the flanges 4a, so that these pins can remain
of circumference of the head shaping pin 6 by applying
stationary in their extended or retracted positions. The
a pinching pressure of the shaping pincers 8 around the
lower end of the shaping pins 4 and the supporting pins
head shaping pin 6 to which the steel wire is already
5 as pushed up by the thrust lever 35, are supported by
wound. Thus the head 27 of the comb is formed as
the high surface 14a of the cam 14 in a protruded posi
shown in FIGS. 1 to 4. Then a pair of legs 20 of a fork
supporting pins 5 are made to retract below the surface
of the work table in the last stage ‘of the process, and
thereafter, the head shaping pins 6 are moved, for ex
cause the legs to move together so as to be closely spaced.
tion (at this time, the shaping pins 4 and the supporting
pins 5 are in a state ‘as shown in the part marked X
By this movement the intervals between the legs of the
zigzag wire are drawn together, and after the comple
of FIG. 10). After the pins 4, 5 advance while being
tion of the shaping process, the shaping and the support 25 supported by the high surface 14a, and go past the
high surface 14a, the shaping pins 4 and the supporting
ing pins are retracted below the surface of work table 1,
pins 5 are pushed down by the plate 26, until the lower
and due to the elasticity of the steel wire, the comb
shrinks lengthwise by itself.
ends of said pins touch the low surface 14b of the cam
14. At this time, the shaping pins 4 and the supporting
In this embodiment of the invention, the operation of
which will now be described, the work table 1 advances 30 pins 5 are in a position as shown by the remainder of
FIG. 10. The shaping pincers 7, 9, 10 each have a
in the direction of the arrow, whereas foot shaping board
2 and head shaping board 3 remain stationary.
slide roller 11a on the end thereof as shown in FIG. 8
and are supported on the fulcrum 36. The tips of the
The Zigzag-shaped raw material wire 30 is wound
pincers 7, 9, 10 are held in an open position by the
around the shaping pins 4 which extend above the sur
face of work table 1, while the supporting pins 5 are
action of the spring 40. The pushing devices 11 are
positioned between two legs of the raw material wire 30
mounted on the reciprocating rods 37, 38. The recipro
cating rods 37, 38 have pins thereon ?tted into the cam
which is already bent. As work table 1 advances, the
grooves 38a cut on driving shaft 33. By the said recipro
?rst shaping pincers 7 comes forwards (the drawing
shows the state in which the pincers is in an advanced
eating motion of the reciprocating rods 37, 38, the pushing
position), and pinches the shaping pins 4, around which
40 devices 11 are advanced and spread the slide rollers 11a
the raw material wire 3t,‘ is already wound, imparting
a strong pressure thereupon, whereby the wire 30 is
formed into a circular head. The second shaping pincers
of shaping pincers 7, 9, 10 so as to close their tips, and
the tips of the pincers pinch the wire wound around the
shaping and supporting pins 4, 5. The pushing devices
are retracted by spring 39 between the machine frame
M and pushing devices 11 (FIG. 9) which are stronger
than the spring 40b supporting lever 23 is ?tted so as to
swing vertically with respect to table 1 around the shaft
211. The end of lever 23 is lowered by the reciprocating
rod 38 at the proper time and the thrust pin 41 provided
can be designed to close its tip in the vsame manner as 50 at the end of lever 23 causes the supporting pin 5 to sink,
the ?rst, second and third shaping pincers 7, 9, 10, in
so as to release the hold on the foot of comb. At the
stead of being as shown, advances on the work table 1
same time, the thrust pin 6 ?tted on the top end of lever
so as to apply a strong pressure to the wire already formed
23 also moves down, and said thrust pin 6 pushes the shap
into a circle around the head shaping pin 6 which extends
ing pins 4 down (see FIG. 11). Simultaneously, the end
above the surface of work table 1 ‘at the same position of 55 So of rod 8 is pushed by the reciprocating rod 38, by
the shaping pin 4 after retraction {of said pin 4. Then,
which action the top of rod 8 penetrates into the space
by the action of the legs 20 two adjacent wires of the
between two legs 20 of the fork, whereby the two heads
comb are drawn together to reduce the interval between
of the comb held in the legs 20 are caused to drop (see
the legs of the comb, and then the pins 6 and the support
FIGS. 11, l3, 14). The legs 20 come down in concert
ing pins 5 ‘are retracted below the surface of the work 60 with the thrust pins 41 and 6 so as to pinch the two heads
table 1, and due to the elasticity of the steel wire itself,
of the comb for narrowing the interval between the comb
the comb shrinks by itself, whereby a completed comb
teeth in the same manner as legs 20 in FIG. 6. By the
is produced. The shaping pin 4 may be shaped in a
above-mentioned movements a comb of the desired form
pointed cone, or as shown in FIG. 7, the neck 4b may
is completed. FIG. 10 shows the apparatus of FIG. 8
v'be provided in the part where the Wire touches, and with 65 from the end, and illustrates the whole process from the
a taper 4c at the end part.
feeding of the raw material wire 30 into the machine
In FIGS. 8 and 15, another embodiment of the pres
of the present invention of the completion of a comb.
ent invention is shown. These drawings illustrate an em
The raw material wire 30 passes through the clearance
bodiment of the invention in which the work table 1, the
65 between the wire guide 25 and the work table 1, and
head shaping board 3 and the foot shaping board 2 are 70 reaches the lower edge of the plate 26 diagonally mount
arranged in the shape of a drum. Through the drum in
ed above the drum, where the shaping pins 4 and the
which the head shaping board 3, the foot shaping board
supporting pins 5 are pushed down, and at the position
2 and the work table 1 are shaped is inserted a driving
40, the comb is completed. Other parts of the system and
shaft 33 which is connected by ratchet 34a to a driving
their actions are entirely similar to those shown in FIG.
means (not shown), so that the work table 1 is driven
6 and FIG. 8. FIG. 15 shows the means for feeding the
9 on the foot shaping board 2 also advances in the same
manner and pinches the wire 30 where it is supported by
supporting pins 5, whereby a foot for a comb is partially
formed. As the work table 1 further advances, the foot
having a ?nished shape is formed by the third shaping
pincers 10, and then the fourth shaping pincers 8 which
3,092,151
5
raw material wire 30, and corresponds to the part marked
with the arrow D on the left side of FIG. 10. Rotation
of the cam 48 ?tted on the shaft 33 causes the lever 49
?xed on the shaft 50‘ to swing, and by the swinging move
ment of this lever 49, the claw 46 urged toward the drum
by the spring 47 is reciprocated to feed the material
wire '30 to the lower surface of wire guide 25 for one
Os
6
This invention has, thus, the advantage of producing
type of combs on an industrial scale at a low cost,
eliminating the need of manual labor.
I claim:
'
.'
I
1. A machine for manufacturing hair combs from metal
wire, comprising a pair of parallel circular discs mounted
for rotation around their respective centers and each hav
pitch of the wire for each reciprocation. Guide 45 feeds
ing a plurality of pins equidistantly spaced around the
the material wire 30 in its correct position. It consists
respective discs and projecting toward the other disc, the
of a ?at-shaped casing. In front of this guide 45, the 10 center of one disc being offset from the'center of the
apparatus which is to shape the steel wire into a zigzag
other a distance equal to the radial distance of said pins
form- (namely the material wire 30) is installed; As illus
from the centers of said discs, means for intermittently
driving said discs ‘for rotating said discs through a part
trated in FIGS. 16 and 17, the end of the straight wire
material 55 is wound around a pin 56 of revolving disk
of a rotation equal to the spacing of said pins around said
52. (FIG. 16 shows the case of 5 pins studded on re 15 discs and with a pin on one disc always being positioned
volving disk 52.) As the operating lever 57 is moved to
opposite the center of the other disc at the end of the
a vertical position and returned by the drive therefor
rotation, whereby wire fed between the discs and engaged
by said pins will be bent into a zigzag shape having a
(not shown), the claws 58a and 581) on the lever 57 cause
the revolving disks 52, 5-3 to alternately turn clockwise
series of oval-shaped heads and feet, -a work table having
a plurality of shaping and supporting pins therealong for
and counterclockwise respectively around shafts 62 and
63. As the operating lever 57 is lifted upwards and the
receiving the zigzag wire from between said discs, a head
claw 58a pushes on one of ?ve teeth 72 on the revolving
shaping pincer supporting member on one side of said
disk 52, the ball 60 which was engaged in a recess 59
table having at least one pair of head shaping pincers
on the revolving disk 52 by the action of spring 61 moves
thereon for engagement around the pins on said table
along in the shallow groove 59a cut in the revolving disk 25 which are closer to the head shaping pincer supporting
52 while the revolving disk 52 is rotating and then, the
member, a foot shaping pincer supporting member on the
ball 60 is again pressed by the spring 61 into another
other side of said table having at least one pair of foot
recess 59 when the revolving disk 52 has rotated 72
shaping pincers thereon for engagement around the pins
degrees and the next recess 59* coincides with the posi
on said table which are closer to the foot shaping pincer
tion of said ball 60‘. The ball 60 thus keeps the revolving 30 supporting member, at least said shaping pincers and said
disk 52 stationary under the pressure of the spring 61.
table being relatively movable transversely of the di
One pin 56 on the revolving disk 52 moves 72 degrees
rection in which the pins extend ‘along said table, said
and reaches the position of the center shaft 63 of the
shaping pincer supporting members having means thereon
other revolving disk 53, during each movement of disk
engaging with said pair of pincers for closing said pincers
52. Next, when the operating lever 57 is lowered, the
{around the pins when relative transverse movement of
claw 58b pushes on one of ?ve teeth 73 on the revolving
the shaping pincers and said table toward each other takes
disk 53 and claw 58a slides along the edge of disk 52
place, said table and said shaping pincer supporting mem
to retreat until the said claw 58a drops behind one of the
bers also being relatively movable in the direction in which
teeth 72. A ball 60 and spring 61 act on disk 53 in
the pins extend along said table for causing pairs of
the same manner as on the revolving disk 52, and make 40 pincers to act on successive bends of wire, means engage
the revolving disk 53 stop, after said revolving disk 53
turns 72 degrees. Accordingly, one of the ?ve bending
pins 64 on the disk 53‘ moves together with the steel wire
able with the wire for closing the interval between pitches
of the wire, and means associated with said table for
removing wire from said pins after the pincers have
55, until it reaches the position corresponding to the center
shaped the wire.
62 of the revolving disk 52. Thus every pin advances 45
2. A machine for forming a bent wire hair comb from
in sequence and at the position 62, the ?rst bend of metal
a wire bent into a zigzag shape having a series of oval
wire is completed by the pins on revolving disk 53. 1In
shaped heads and (feet, comprising a work table having a
this manner, by the alternate revolution of both revolving
plurality of shaping and supporting pins therealong for
disks 52 and 53, the succeeding pins on both disks 52
receiving a zigzag wire therearound, a head shaping pincer
and 53 form the left and right ‘bends in succession. In
supporting member on one side of said table having at
this manner, by Working the operating lever 57 alternately
upwards and downwards in succession, the revolving disks
least one pair of head shaping pincers thereon for engage
the opposing faces of both disks, whereby they alter
said shaping pincer supporting members also being rela
ment around the pins on said table which are closer to the
52 and 53‘ revolve alternately, and the pins on both re
head shaping pincer supporting member, a foot shaping
volving disks form right and left bends at the centers 62
pincer supporting member on the other side of said table
and 63. Thus the bent wire material 30 is sent onwards 55 having at least one pair of foot shaping pincers thereon
swinging to the right (FIG. 16) when the pin of the re
for engagement around the pins on said table which are
volving disk 52 acts on wire 55 and to the left when the
closer to the foot shaping pincer supporting member, at
pin of the revolving disk 53 works on the wire. As above
least, said shaping pincers and said table being relatively
mentioned, in the said raw material shaping mechanism,
movable transversely of the direction in which the pins
two revolving disks with equal radius are mounted so
extend along said table, said shaping pincer supporting
that their centers are positioned on the circumference of
members having means thereon engaging with said pair
the other revolving disk, leaving a clearance between two
of pincers ‘for closing said pincers around the pins when
revolving disks for the wire to pass, and the pins for
relative transverse movement of the shaping pincers and
bending movement are positioned at equal intervals on
65 said table toward each other takes place, said table and
nately move towards the center of the other revolving
disks. Therefore, the bending pin always moves along
the circumference of the radius of the curvature at which
the pins are positioned, and bends are theoretically made
tively movable in the direction in which the pins extend
along said table for causing pairs of pincers to act on
successive bends of wire, means engageable with the wire
at equal intervals. Thus, by continuously rotating both 70 for closing the interval between pitches of the wire, and
means associated with said table ‘for removing wire from
revolving disks alternately, respective pins advance
said pins after the pincers have shaped the wire.
through the required angle (for instance, 72 degrees)
3. A machine as claimed in claim 2 in which said shap
each time, whereby the straight steel wire material is bent
ing pincer supporting members are movable only trans
and shaped, and is continuously sent out in the required
75 versely toward and away from said work table, and said
shape of a zigzag to the device for comb-shaping.
3,092,151
work table is movable only longitudinally of its length
6, A machine as claimed in claim 3 in which said
betweensaid shaping pincer supporting members.
'
4. A machine as claimed in claim 3 in which said table
means for removing the wire from said pins comprises
and shaping pincer supporting members are ?at.
pins for moving said pins down into said table.
cam means above said table and ‘engageable with said
5. A machine as claimed in claim 3 in which said table
References Cited in the ?le of this patent
and shaping pincer supporting members are bent in the
direction of their length into cylindrical drums, said work
‘table being rotatable for producing longitudinal movement
thereof relative ‘to ‘said shaping pincer supporting mem
bers, .and said shaping pincer supporting members being
movable axially of‘said drums to produce movement to
ward and away from the work table.
UNITED STATES PATENTS
10
1,857,669
2,097,193
2,169,420
2,331,294
Sundback ____________ __ May 10, 1932
Jacobs ______________ -_ Oct. 26, ,1937
Jacobs ______________ __ Aug. 15, 1939
Bank et a1 _____________ __ Oct. 12, 1943
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