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Filed Dec. 18, 1944
Patented Oct. 15, 1946
Paul A. Schnebelen, Toledo, Ohio
Application December 18, 1944, Serial No. 568,758
4 Claims.
(01. 242-13)
gized electromagnet draws the armature 24 to
abut the faces | 9 to be there magnetically locked
or held. In this transit to the holding position
for work thereon, the armature 24 is so shifted as
to have a slot 2% of the armature entered by the
indexing pin 23. The deflector portions or guides
This invention relates to the winding of coils
into slots, more particularly in electrical work.
This invention has utility when incorporated in
ready mounting or holding and control of the
part to be wound, as an armature, and the carry
me thru of the successive steps therefor to com
plete the winding of such article.
Referring to the drawing:
Fig. l is a side elevation, with parts broken
22 are so located that from a coil supply 2'! to pass
the right of Fig. 1;
is directed to be wrapped directly into the pair of
Fig. 4 is a plan View of the holder of Fig. 3,
portions being broken away to show details of the
slots of the armature.
'sion armature.
nated total. 7
over a guide roller 28, the insulated wire 29 to be
wrapped will be directed, upon the rotation of the
away, of an embodiment of the invention in an 10 shaft ‘f, to enter a slot 26 of the armature 24,
then pass across the end of the armature 24 clear
armature winder;
of its shaft to enter a second slot in the winding
Fig. 2 is a wiring diagram of the electrical con
pair for the armature coil. The guides or de
nections and controls for the winder of Fig. 1;
flectors 22 are so con?gured, that at the location
Fig. 3 is a detail view, on an enlarged scale,
looking into the armature holder or head from v15 of the feed direction for the wire 29, the wire‘ 29
From the drive shaft 4, a transmission 30 ex
tends to a counter device 3| to operate a cut-out
electromagnet; and
Fig. 5 is a fragmentary View of a substitute 20 switch 32 as the number of turns of wire 29 in
a pair of armature slots 25 comes to the desig
guide and seat as an adapter to a different dimen
The drive
An electric motor I has belt transmission 2’ 25
therefrom, adapted thru magnetic clutch 3 to be '
cut in to drive a shaft 4 extending into speed‘
reduction housing 5. The speed reduction in the
housing 5 may have a manual adjustment or ‘con-1
trol 6 to vary the speed of a shaft ‘l.
The electromagnetic holder
The device of the invention may be mounted
by a set screw 8 to rotate with the shaft 7. The
set screw 8 is in a head member or overhangS
having thereon an insulation sleeve H) for a pair
of slip rings ||, |2. The member 9 terminates
therebeyond in a block |3 of nonmagnetic mate
Bolts |4 thru the block l3 mount magnet legs
H3 in parallel. A bolt l6 therebetween has a mag
netic core H in an electric coil winding l8, The
free ends of the legs I5, remote from the block |3,
have are faces or seat portions l9.
Screws 20 in thelegs l5 may mount a non
In the event the power supply be alternating
electric current. it is then ‘desirable to minimize.
the hysteresis loss and have the electromagnet
laminated. For direct current power supply to
the coil 18 of the electromagnet, the core H and
30 legs l5 may or may not be laminated Upon
throwing in or closing a switch 33, electric power
supply line 34 is connected to the motor | with its
circuit completed to the circuit completing power
line 35, to start the motor |.
The closing of the switch 33 does nothing else
but start the motor I. The operator determines
the number of turns of wire to be placed in the
pair of slots of the armature. Should stop pin
36 be not properly located therefor at the counter
40 device 3%, the pin 36 is relocated in the proper
adjustment opening 3‘! therefor. Arm 38 in cam
disk 39 is then swung against the properly located
pin 36. In so doing, a stop 40 is moved by the
cam against the resistance of a spring 4| to
45 close the switch 32. The operator may then
magnetic guide comprising end seat portions 2|
between the legs l5, and outwardly and rear
wardly extending de?ector plate portions 22. The
parallel arc seat portions 2| medially have an in
dexing pin 23.
Mounting an armature to be wound
The control
close a switch 152 on the front of the housing 5
as a manual control cut in for the coil l8. The
electromagnetic holder is now energized for the
placement of the article of work, as an armature
24 in the rotary head or holder to be there in
dexed and at once looked magnetically.
It is
next in order for the operator to step on a switch
43, which is effective, with the switches 33, 32,
The article of work, as an armature 24, upon
also closed, now to energize the magnetic clutch
approach to the arc seats 2|, has its ends 25
ride just inside the seat faces 2|, for the ener 55 3. The motor | is now effective thru the shaft
4 and the speed reduction in the housing 5, to
rotate the shaft 1 and the winding head thereon
carrying the armature 24. The operator may at
any time stop the rotation of the winding head
and armature 24, by releasing the switch 43.
This does not disturb the counter device 3| and
its switch 32. Accordingly, should such stop by
the operator be to cure some defect in thewire,
then at once such be recti?ed, the winding con
extending from the support and forming a seat
complementary to a. longitudinally slotted arma
ture adapted to be magnetically locked therewith
as an article of work, and non-magnetic guide
wings mounted on the poles for directing wire to
be wound directly to exposed slots adjacent the
7 2. A coil winder comprising a pair of opposite
pole magnet arc faced seats adapted directly to
tinuation is automatically effective to the initial 10 engage‘ armature face ‘portions as bounding ar
total, when the switch 32 is opened by the rota
mature slots, energizing means for the poles for
tion of the cam disk 39 clockwise (Fig. 2)_ per
the magnetic circuit therefrom to be completed
mitting the stop 40 to be drawn into the cam
thru an armature at the pole seats, and non-mag
recess by the spring 4|. The operator may then
netic means carried by the winder poles adjacent
open the switch 42 to release the armature 24, 15 the seats providing end seats between which the
so that it may be rocked to the next slot pair to
armature is located by the energizing of the poles,
receive the succeeding coil. Closing of the switch
said non-magnetic means having ?are outward
42 is then effective to relock the armature in the
wing connections to ‘direct wire to be wound to
new or reset position. Stepping on the switch
Ward the slots of the armature upon relative ro
43 is delayed until the arm 38 has been thrust 20 tation thereof.
against the pin 35. With such preliminary cared
3. A coil winder comprising a rotary head hav
for, the operation cycle may be repeated.
ing a seat complementary to the face of an article
For shops where rewinding or job work has
adapted to be located therein, said article having
quite a range of sizes to be considered, substitute
a shaft and slots parallel to the shaft to receive
parts may be provided. In lieu of the poles !5, 25 line windings to form a coil by winding into a
there may be poles 44, with projecting fingers 45 to
pair of slots, de?ector means carried by the head
be attached as inter?tting with projections 46
to extend toward but short of to the shaft, and
with which there is ?xed arc seat face 41 upon a
adapted upon rotation of the head to direct the
different radius than that of the seat I 9, when for
line to be wound from a supply into the pair of
a different diameter article of work. As end keeps 30. slots of the article in the head, and selective elec
or limit stops, arc means 48 (Fig. 5) are of a form
trical control means for locking the article to the
to coa-ct in the same manner as the arc end seats
head andv releasing it therefrom, and for stopping
2|. vIn this adaptation, instead of assembly of
the head after a predetermined number of rota
the de?ectors 22 and seats 2|, with the head, the
substitute parts may be a unit, magnetically re 35 4. A coil winder comprising an electromagnetic
sponsive. This unit has de?ector portions 49 and
rotary two pole head having spaced opposite'pole
indexing pin 50.
magnetic face portions providing a seat comple
In the circuit for the energizing coil l8 of the
mentary to a longitudinally slotted cylindrical ar
electromagnet, the slip rings ll, I2, have brushes
mature having a shaft protruding therefrom
5| ride thereon. By placing the single coil l8
beyond the ends of the slots, de?ector means for
crosswise of the axis of the rotary head I3, l5, IS,
the line to be wound carried by the head, and in
the magnetic circuit thru the armature is from
dexing means at the seat to position a pair of.
a pair of poles, in lieu of three poles were the coil
slots inward from the shaft and outward from
coaxial with the head to require a central pole
the de?ector means, whereby energizing of the
between the outer pair.
, electromagnet automatically locks and simul
What is claimed and it is desired to secure by
taneously positions the armature in the head to
Letters Patent is:
form a coil therein upon rotation of the head.
1. A coil winder comprising a non-magnetic
support, a pair of arc-faced magnet opposite poles
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