US1890111A - Automatic armature winding machine - Google Patents

Description

DeC- 6, 1932- H. H. EA'roN AUTOMATIC ARMATURE WINDING MACHINE Filed March 10, 1925 6 Sheets-Sheet J m. ,a H m M n wf m Mn H Nv I? m IR ww w f Huug M N\ o Q\\ s .3N :MK www @wwwa M E i- E b2 92 HN H WON .2N o QQ O\ OR @HLM/ l Dec. 6, H H. EATON AUTOMATIC ARMATURE WINDING MACHINE Filed Marh 1o, 1925 6 sheets-sheet 2 IN V EN TOR` Dec. 6, 193.2. I H. H. EATON 1,890,111

AUTOMATIC ARMATURE WINDING MACHINE Filed March 10 1925 6 Sheets-Sheet 3 I N V EN TOR.' aff/5m fia/0W TToRNE DCC. 6, 1932. H, H. EATON Y 1,890,111

n AUTOMATIC ARMATURE WINDING MACHINE F'iled March lO 1925 6 Sheets-Sheet 4 1N V EN TOR. 1%/7/50/75 E @fo/7 ATTORNEYA! Dec. 6, 1932.

H. H. EATON AUTOMATIC ARMATURE WINDINQ MACHINE 1925 6 Sheets-Sheet 5 Filed March 10 Arron/mf Dec. 6, 1932. H; H EATON 1,890,111

AUTOMATIC ARMATURE WINDING MACHINE Filed March 1o, 1925 les sheets-sheet e INVENToR. @ff/50 /o/f ATTORNEY! i Patented Dec. 6, 1932 UNITED, s'ra'lfiazs'v )PATENT `oFlFlcjlz HARRISON H. EATON, OF TOLEDO, OHIO, ASSIGNOR T0 THE ELEUERIC AIUTO-LITE COTI- I PAN'Y', OF'TOIEDO, OHIO, CORPORATION OF OHIO AUTOMATIC ABIATUBAE AWINDING MACHINE Application. led Karch 10,1925. Serial No. 14,367.

The present .invention relates to a machine for automatically winding a plurality of coils` of wire in slots-for example in the' slots of an armature of a dynamo-electric machine. One of the features of the present invention is to provide a machine which will lay the Wires in the slots to such a degree of nicety as will require Cno packing by hand in building up the number of turns for the coils in the slots, either during thewinding or after the required numberof' turns per coil have been laid or after one coil is laid and it is proposed to lay another coil, or series of wires in the same slot. I n this connection, the invention, therefore, comprehends means for controlling' and locating the Wire in the slots in such a manner as will avoid the necessity Vof any packing. The invention also cludes, in this connection, means for so positioning, laying or applying the Wires at the -end of the armature that the Wires at the ends of the coils'will be firmly and properly locat ed, not only foreach coil, but` for each of the several successive turns of.wire used in .building up any one .coi1.,. f

A urth'er underlying feature of the pres# ent invention is to provide a'machine of the generalcharacter indicated which operates to automatically wind armatures in such a manner as to provide for a substantial saving of material. For examplethe entirearmature may be wound from the continuous source of w1re, thearmature 'consisting of af lplurality of separate coils, the present invention contemplating such an arrangement of structure as will cut oi a .coil wound from the reel of wirewith the xfree end so held as to be ready for the winding of the next coil in the armature Without any waste ofmate rial. The invention also contemplates a 'reet time saving mechanism because the and looping at end of each coil is eliminated.-

The present invention has fora further object -to provide a mechanism in a class of machine of the character indicated in which the beginning' and ends of 'a coil-and each successive coil-is so left that an operator in assembling the-coils to 'the commutator, can easily pick out the beginning and ends of' the Acoil.L` The immense practical value of this feature, additionto those heretofore indi cated, lWlll be obvious.

The present invention also includes-the provision vofa mechanism which automatically indexes the armature to bring the proper slots into position in line with the .Wire as the same is being laid as hereinbefore mdicated. The present invention, moreover, provides forv a.partic`ular cooperation .between the indexing\of the armature and the coil windingand Wire laying mechanism.

" A further object of, the presentinvention is to provide a mechanism which is extremely safe inoperation avoiding the possibility of the armature becoming loose in any way or aecideiitsllly thrown out of the machine in operation.

invention such as relate to the arrangement .of the related elements or the structure, to

various details' of construction and to econ'- omies of manufacture and numerous other featuresas-Will be apparent from a considbe preferred, in which,

Furtherobjects are Within the scope of 4this Q Flgure 1 is a front elevationl showing lan i armature core just after location in the machine with the parts readyto start winding,

.ethe'sam shown in this instance in a vertical posltlen;

Figure 2 isa similar view\with the armature removed;

Figure 3 is an elevation of the machine;' v

Figure 4; is atop plan 4view of themachine; Figure 5is -an velevation of the left side of the machine;

Figure, A6- is a section taken on thev 'line' `6 6 of Figure 3;

-Figure 7 -is1a front v1 ivire during operation,'the posi-tion'ofjthe leads and how the successive turns 1f-the Figure 7a includes two detail views ofthe cuttingarrangement shown in Figure 7 Figure is an Ielevational' detailwshowing a 100 bf the right 'Side 85 ew ofi-l.*portionofthe'iv machine showing the arrangement ofjthe dexing operation;

Figurel14 is a diagrammatic lview showing the :operation of a means for pressing the wire into the wire holder.

Figure 15 is a diagrammatic view of a mechanism operating the main wire guiding member;

Figure h(15a is a diagrammatic view similar to Figure 15\but with certain parts in somewhat different form.

i Figure 16 is a diagrammatic view illustrating the mechanism for positioning certain operating cams to operate in timed relation; a wire cutting mechanism; and an automatic armature indexing mechanism; while 0 Figure 17 is a diagrammatic view showing the action of the wire cutting and indexing controlling mechanisms.

It is to be understood from the outset that themachine illustrated may be varied widely,

still retaining the principles herein indicated.l

However, in one satisfactorily operating machine for accomplishing 'the objects hereinbefore set forth, I have provided a mechanismy which includes 1, a main armature ro- -tating means; 2, a wire guiding means; 3, a wire holding, cutting and end shaping mechanism; 4, an automatic main clutch releasing mechanism; 5, means for properlypositioning the cut leads, 6, and automatic armature indexing means and several other op! erative means'which will hereinafter more fully appear.

Referring to Figures lb and of the drawings, it will be seen that the armature is held r in a rotatable Vdisc by locking means 11 and 12 locgted at either'iend-of the armature shaft. A?" specific type Aof Iocking means shown in Figure 10rwhich includesy a bedpiece .14 provided with a cylindrical recess within which is positioned a locking sleeve16 provided with ahandle 17, the sleeve 16 having a cut-away portion at the mouth ofthe slot 15 in order to permit the insertion laterall Y as shown in Figure 1, of the armature s aft. After the larmaturevshaft is in position the operator may turn the handle 17 which will rotate the locking sleeve 16 around thearmature shaft and close the throat or opening 15, the action being -indicatel'by the dotted lines in Figure 10. A pair of spring clips 18 and v 19 are arranged to cooperate with the handle 1 7 and spring lock the handle in either open or locked position, as the case may be.

Main armature rotating mechanism yThe plate 10, in the specific embodiment of the present invention illustrated in the drawings, is arranged to rotate the armature inserted in the machine, there being Wire guid-` ing mechanism to provide for the proper laying of the wires as the armature is rotated. To this end, as will be seen in Figures 5, 3 and 4, I have provided a main central shaft Y 20 to which -is secured by pin 21 the disc 10 at the front end. At theother end of the shaft 20, a drive pulley 22 is driven from a source of power to operate the shaft 20 through a sliding clutch mechanism 23. Any

suitable type of clutch may be employed, the operation of which is controlled by a preferab butnot necessarily combined manual and automatic control. To this end, I have provided a fork 25 pivoted at 26 and having an extension 27, forming with the fork 25 a bell crank lever in effect. The forward end of the arm 27 of the bell crank forked lever is provided with a link mechanism including two links 28 and 29, the link 28 being pivoted at 30 tothe arm 27 and the link 29 being pivoted at 31 to the plate 32 on the base plate 33v of the machine (see Figure 5),. In referring to Figures 5 and 6, it will be seen that the y. operating handle 34 is pivoted at 35 to the base plate 33 and carries a rack 36 at the opposite end, said rack adapted to mesh with a pinion 37 secured to the shaft 31 forthe link 29. `From this it will be seen that asthe zoperator pushes down on the handle 34 the rack 36 will be moved upward and the pinion 37, shown in Figure 4, will be rotated to swing the link 29 in the direction of the arrow shown in Figure 5, which will likewise move the bell crank lever 27 upward by reason of the link connection 28. This will' throw the clutch 23' into engagementy against the tension of the spring 38. It will be noted that thelinks 28 and 29 form a sort of toggle mechanism which will be thrown past dead center4 whenthe operator pushes down on the handle 34.

Ihave provided a timing mechanism which will throw the clutch into released position after a certain number of rotations of the disc 10 or after a certain number of turns of wire have been laid in the armature slot, for' example. To this end, the main driving shaft 20 is provided with a worm 40 meshing with the worm wheel 41 which has a shaft 42 suported with suitable bearings in the machine. he` worm 40 might be connected direct to the -shaft 20, but I have provided awfurther gear `reduction from the shaft,l 20'by reason of a set of spur gears, shown in Fi ure 4. The spur gearing referred to inclu es a gear 44 fixed tothe shaft20 meshing with a gear 45 on anidler shaft which carries a gear 46, the gear 46 in turnmeshing withv a. gear 47 connected with the worm 40. This arrange.-

ment not only provides for the further gear reduction from the main driving shaft 20 to the wormwheel 41, but it also provides an arrangement in which the gear ratio may be varied by 'substituting different sets of spur gear ratio.

'The worm shaft 42 carries the spur gear 50, shown in Figure 5, meshing with a spur gear 51, the latter carrying a trlpping dog 56, the latter Aadapted to contact with a projection theA dog 56 after the dog has contacted. withthepmjebtion 57 on the link as. This will cause suilcient tripping of the-link 28y to 5 move it past dead center and the spring 38 will then throw the clutch mechanism out 'of drivingegag'ement. The dog 56 is pulled forward lto move the same-out of way for resetting.

Wire guiding means A As willbe seen in Figure 1,'i`n thepresent machine I propose to lay two wires at once'. These wires are illustrated at a and4 b. The Wires are held in acarrierfwhich is also a patof the cutting mechanism as willhere lnafter appear, indicated at 70,' being illusl trated in Figures -7 and 7a. The wires a and b arelocated on spools so positioned rel'ative to the machine-that there is ai'tendency for the wires a and b to move forward, Fig- 'ure 1, against the main guide 71 which moves toward and away from the face plate 10, as

. the case may be by reason of suitable controlling mechanism, to properly controlthelayin g over ends and also in slots the wires z and b. Su'table mechanism may be used 'herein for winding one wire a, alone. Thus. the wire holding means may be modified for one wire only toaccomplish this purpose.

As one means forming a suitable wire guiding mechanism, I have illustrated herein a construction iig-which 'the main guide 71 'is t pivoted as at 1 main guidearms ofthe guide-71. The on- -a sprm connection 76 to one end 77 of a leverplvoed at 78 having an extension'l 79 andicam roller 80 thereon. The vroller 8O 'is adapted to contact with a cam surface 81 'which in the particular instance illustrated herein is'fixedto the maindriving shaft 2O of .the machine, being pinned thereto as illustratedinFigure 3by a pin 82. The cam surface 81 desgnedfasto give the operating gearing foraccomphshing-a certain diEerent.

57 on the link 28 of the clutch setting toggle Vand holding carrier.

2 Wirth operating rod 73 connected byany suitable connection 74 to the rod 73 and hence the main guide 71 the prop'- er movement for guiding thel wire over' the as willl appear.

In order to variablycontrol the positioning of the wire at the ends of the armature, where a plurality o fturnsl of the wire, is made per coil, as is the practice, I provide a further mechanism cooperating'with the main guide operating control rod and lever therefor, consisting in this particular instance of a cam 85. which is driven in unison with the release timing worm wheel 41. Although the speed ratio 0f the worm wheel 41 and hence the cam to that of the main drive shaft 20 and hence the cam surface 81 may be varied, the arrangement I provide herein 1s such thats cam 85 makes one revolution during the winding of the complete number of turns of wire per coil. For example, during seven turns of the main shaft 20 and cam face 81, the cam .85 turns once, assuming that coils of selven tournsof wire are being Wound on the armature., The cam 85 has a plurality of variable sized cam rises 86 thereonarranged to contact witha roller 87 on arm 77,' op? eratingas a stop as it were Fto prevent the lever 77 to main guide 71 to which, as stated,

. lever 77 is connected from returning under the tension of the spring 76 as far as it would ous sized rises.86 of cam' 85 controls the guide 71 and causes the' guide to so lay the Wires as each successive. turn comes over to prevent the wires from spreading as the-'same are mechanism,'-I alsoprovide in 'additionto that just described, additional wire guiding ends of the armature and into the slots thereof es lotherwise travel. In thisananner, the varil mechanism -for the purpose of inserting the wires into the Holding and cuttingmechanism after the wire for a 'previouslyv woundcoil' has been cut and pushed out of the cutting auxiliary wire guide 91fpivoted at 92 to be operated by an operating rod 93 similar to of a turn vbuckle forv examplc, the operating Thus,` I provide anv` rod .93' being pivotally connected at 94 to a ycam control lever 95, said lever 95 pivoted at 96 andcarrying at its other end a -cam roller 97 adapted to be engaged by cam 98 having a rise 99 thereon. The cam' 98`is preferably connected to themain.worniwheelv 41 vand rotates in unison therewith. Tle cam' 98 has butone rise 99. Consequently-, the 'gear ratio of the worm wheel 41 to the main shaft 7 turns are wound per coil, the lever 95 will operate 'once for every 7 revolutions of the main shaft, or once for every 7 rotations of the armature. In other Words, the auxiliary Wire guide 91 operates once for every coil of sev'en turns applied to the armature and is for the purpose as will hereinafter appear more fully in the description ofthe operation of inserting the Wires in the holding and cut-off mechanism after one coil of a plurality of turns has been completely wound and completely severed from the main continuous source of wire supply. The cams may be changed when a different number of turns is being applied 'for different armature specifcation.

Wire cutting mechanism the other mechanism, for cutting the wire and'pushing the ends of the coil out of the cutting and holding device, which is controlled by operating cams normally entirely out of operative engagement but adapted to be moved vat the proper time into operative relation to actuate the gutter and pusher.

Referring to Figure 5, I 'have illustrated a longitudinally movable cam carrier 100, which is in the form ofka hub sliding on the exter1or surface of a bearing within which bearing is located the main shaft 20. Thed` bearing 101 is supported by bracket 102 (see Figure 6). The cam carrier 100l is preferably connected to slide-,on the hub 101 by the key-way and key construction shown at 103 `in Figure 6, the'keys preventing the cam part from rotating at all times.

In order to slide the carrier 100 at the proper time, I provide a yoke 105 pivoted at 106 to the bracket 102, which yoke carries an extension 107 having a hub 108 for carrying a cam roller 109 adapted tb., ride on a. cam surface 110 having a rise v111, so arranged Vas to operate the yoke 105 and 4slide the Acam 100 into position to effect a contact therewith` by mechanism which operates the cutter and wire pushing devices.

A suitable combined wire holder and cut-- ter is illustrated herein asembodying. the bolder 7 0 whichis in the form of a rod with a slot within which the wires are held cooperating with which-slot is a knife edge 115, which .is carried as is shown in th'e'drawings adjacentf totherotarv wire holding shaft. As shown in Figures' 3 and 5, the rod 70 extends rearwardly through .the face plate 10 vinto the hub 116 with whichrod 70 is xedly connected, the hubv116 being connected with lever 117 carrying a cam roller 118 thereon.

.The .cam roller 118 will contact with a cam 120,' tho-,rollen 118, rotating with4 th main and carried by the arm 117, Will cause the vrotation of the hub 116 against the tension of the spring 1,21, thereby rotating the" rod on its own axis. This will cause the-wires to come in pontact with the knife edge 115, thus .completely cutting the wires at this point.

The mechanism for pushing the wire out of the carrier after the same has been severed will nowr be described, reference being had to Figures 3, 5 and BL As one suitable mechanism for accomplishing this object, I provide a Wire pushing member 130, which is. carried by a rod 131 extending through the face plate 10 normally held in retracted position by spring 132, said spring arranged to contact with the rear face of the plate 10, or a part thereof, and with aA finger piece 133, which also forms a .guide for pin 131. i The rear end of pin 131 is adapted to be engaged by cam 135, the latter being carried by the slidable cam carrier 100. As the face plate 10l revolves, after the carrier has been moved into operative position` the pin 131 will contact with the curve cam 135 and push the pin 131 forward carryingyvith it thewire pushing member 130, which moves the wires having been cut as'heretofore indicated out of the carrier 70.

l i Armature indexing' mechanism i After a plurality yof turns have been wound to form one coil, the armature is indexedso as to bring the next adjacent set of slots inthe main face plate 10. The face plate 10 carries, for' example, a hub 140 forming a bearing for. stub shaft 141 carrying at its` rear end a lever 142 provided at its extremity.

with a cam roller 143 adapted to contact with the cam 100. of the cam carrier 100, the cam 100 having a rise 144 forcontacting with the cam roller 143. The pivot shaft 141 has a lever 146 forming, as indicated inQFi'gure 17 witlilever 142, a sort of `valve crank lever.

mechanism. with the arm 146 thereof carrying a toothed segment cooperating withv the Tack 148, which rack carries the armature indexing -'device proper, indicated more fully in Figures 11, 12 and 13. i

The rack and pinion segment described causesfa lateral recifrocation of the part 148 illustrated in Figures 11 and 13 and isl also provided with. a pivot dog 150, which carries ,a projectionll. Means are provided to ,nor-l mally force the pivoteddog 150 toward the surface .of the1 armature by the pin 152 located in a recess 153 provided at the center and end of the main 'shaft 20. A spring 154 is located in the recess back of the pin 152 to 'tend'to force the pivot dogforward against the surface of the armature.

In View of the pull of the wires as will appear, it is 4desirable to hold the armature from revolving on its own axis atall times except at the instance of indexing. Tothis end, I provide normally for retaining the armature in ixed position in the rotating face plate -by means of a locking pin 160 which has an extended portion 161 suitably shaped to enter the throato' the armature slots thus preventing rotation of the armature about its axis. In the particular arrangement shown, the locking pin 160 is constantly urged forward bya spring 162 located in the recess in the member 163 which carries the pin, the spring bearing against the locking pin as shown. The mechanism I have provided for indexing includes means for'releasing the locking pin and4 immediately the projection 151 of the indexing dog engages the armature slot just as the locking Ipin has been retracted.

To accomplish this operation, I provide on the side of the locking pin av projection 170, adapted 'to be engaged by a cam 171,

the latter being carried by the indexing dog 150, and arranged to contact with the knob tion' 151 of the dog 150 now enters t e slot4 rides on the opposite surface of the pin 170, w`hich=` eects` a slight turning of the index-f and cam the locking pin back into released position. Theparts are so positioned and proportioned that the indexing ro]ec in the armature, revolving the armature, about its axis to position the same properly for winding the next adjacent coil.

During this time, the cam 171 contacting with the pin knob 17 0 holdsvthe locking pin 160'in retracted position. 'When the'armature has been indexed'one slot, the 'pin' 170 has reached the end of the cam surface171 and the spring 162 immediately forces the locking pin 160 back into its normal locking position for holding the armature in its new indexed location. The indexing dog 150. now returns to i normal position, such operation being accomplished by the spring'140 locatedaround thehnb 140 which controls the bell crank lever 142, 146 pivoted at 141, previously described. As the'- indexing dog movesbackward to normal position, the same is crnmed out of contact with the armature by. the mechanism I have illustrated by the isa-me" cam and pin arrangement 17 0 and171 iustl described ascthe means for releasing the locking dog. Thus, upon the return movementof the lock-ing dog @150, the-cam 171 Y ing'dog/150 about its pivot, compressing the springl'and. permitting the return of the indexing dogtb r'iorlsnal position out of 'conarmature windin tactv with the surface of the amature, the'` I dog returning into and remaining in contact therewith duringthe normal operation of the mechanism. lAttention at this point is called to a construction I have provided, .which kee s the ends of the coil, as the same are cut o in a satisfactory location to avoid interference with the winding. In reference to Figures 7, 8 and 9, these show a collar or hood 180 formed on a Vsleeve 181 which slips over the armature shaftvand is held from rotation by an extension 182 which its up'into the armature shaft locking means heretofore described. The collar is hopen-sided as shown in Figure 9 and has as shown in'Figure '8 a bevelled side edge 183, so arranged and so positioned relative to the wire holding and cutting mechanism that as holder 70 rotates, it turns the wire toward the sleeve 181 at the free side of the collar 180. Hence, when the armature is indexed as previously described, these cut wires will be positioned underneath the'hood or collar 180 and are so held until the armature has been indexed to sucha position that it becomes necessary .for the operator to move the spring ends out .from underneath7 the hood 180 to prevent the ends from bein caught'between the wire being wound in t e latter slots and' the armature shaft or armatureI sleeve 181, just reg erred to.

Attention is also called to the fact Athat the main guide 71 is provided with a hook 190., which is arranged to move the other end of a coil out of interfering position .during l winding. This isaccomplished at the proper instance by an operation of the main guide operating leves and cams in that as the main guide 71, operated by the cam 81, actuates or moves the wires into the bottom of the slot to form the compact laying of the wire a's herein lindicated moves back `by reason of the spring 76 in pull of the wires a and b, the hook contacting with the :free ends 'of the wires of a coil, moving said free ends outward from the face plate 10, whereupon y the cam-shaped edge191 of the guide 171 further positions these three ends out of interfering position. As Ishown in Figures 11, 12

-and 13, I have provided means for .permit' .guiding plates205 ard\206, arranged to co- Wire guiding members 71 to acilitate the location ofthe wires in the slots in the armalture and prevent the guide 71 from tending to force the wires too far toward the rear, thus interfering with the proper laying of thev wires in the slot.

Attention is called to the fact that a curved guide 210 is properly positioned on face pla-te 10 to hold the cut ends of the coils in proper position during/indexing.

The face plate also carries a curved guide lso positioned as to hold an insulating material wrapped around and in the slots of the armature during indexing of the same, particularly the free ends of the insulation-the same being in the form ofA a curved plate 212 shownriveted to a small piece 213, which, in turn, is fixed to the faceplate 10. The curved plate is slotted, as shown, to permit swinging ofthe armature locking dog 160 to pass therethrough.

Referring to Figure 7, there is shown a wire hook 215 so positioned that as the armature is indexed from slot' to slot, the free ends of the wire are heldback and will not interfere with the winding of a second coil in the same slot.

Attention isalso called to the fact that I have provided means for cutting the wire by hand in the lever 117, so positioned and connected that the operator may rotate the holder shaft by hand.

Operation In .addition to the sleeve 181 described above, I rovide a similar sleeve 181 for the other en Yof the armature shaft. The sleeve- 181 and 181 are first slipped on the opposite ends of the armature shaft and the armature is then inserted in the holding and locking means illustrated in Figure 10, the handle 17 being t rned'to locking position'rotating the sleeves 16 so as' to close the mouth of the slotl guide 71 is in such position that the wires 1 1 and 1J- are directly opposite the initial slot Into which they will pass as the armature rotates in the direction of the arrow shown in Figure 1. The cam face 81 of the controlling cam governs this position of the guide. As

- thefarmature revolves and the wires a and b pass over the end of the armature, the guide .the same time, however, holding the wires -in proper place. After the shaft has passed the guide, the cam 81 operates to cause the guide 71 to move backward toward the face plate in order to carry the wires into proper position to enten the opposite slot for the particular coil being wound, there being a span for example, of 1 to 6, if this is the span for the particular armature being wound. As the face plate tends to continue to rotate, approaching 360, it will be seen that the wire has been laid in the two opposite slots and is beinglaid or wound around the opposite ends of the armature core, the specific manner being hereinafter more fully set forth. At each end the ca'm 81 causes the guide to move away4 from the face plate 10 just a suilicient distance to permit the armature shaft to pass by the guide, holding the wires a and b snugly up against the armature shaft. These operations continue until the face plate lOhas made the number of revolutions required-by., the armature specications as for seven turns for example whereupon the timing mechanism for the main clutch release operates, the pin 56' contacts with the projection''? with the toggle arrangement shown in Figure 5 tripping the clutch setting mechanism, the spring 38 throwing the clutch out against the brake, stopping the rotation of the face plate 10.

After the winding of the first coil and during or also after 617/2 turns have been wound (if seven turns are being used) ofthe second coil, several'operations take place :the wires af and lb are cut off to form the'end of the first andl the beginning of thesecond coil;` 'they are pushed out ofthe carrier; the Wire is replacedin holder 70 to permit the winding of the third coil and the armature is automatically indexed.

To accomplish the first, the camcarrier 100 has been moved into operative position by the engagement ofthe rise 111 of the cam 110 withthe cam roller attached to the yokelO and the roller 118 for the cutting mechanism, previously described, mes in contact with the surface 120 and as the face plate revolves further around, the lever 117 is caused to rotate and turn the carrier 7 O'around and bring the wires againstl the knife edge 115 and sever the same. y

' The wire displacing mechanism, previously described, is now brought into .play by reason of pin 131 riding on the cam 135 pushing the -piece forward'thus moving the wires aand b out of the carrier 70, the spring 132 returning the pusher 130 to normal position after the pin rides oi the cam 135.

It will be noted that the wires held in the holden after the cutter has l operated constitute the lead wires for the beginning. of another coil. When these wires have been identifying them from the end wires of the coil which are left straight by. the cutter. The mechanism for replacing the wire into the carrier 70 now becomes 'effect-ive. The guider 91 now operates through the 'link mechanism 93, lever 95, roller 97 and cam. rise 99 in orderk to move the wiresa and b backfagainst the /face plate a suflicient depth to cause the wires to enter the carrier 70.

The armature is now indexed by the mechanism heretofore indcatedJhe operaV ion of which will be understood from foregoing description of the construction in which the cam rise 144 shown in Figure 17 for example turns the bell crank lever`142 and 146 to operate the rack and pinion'segment sliding the indexing carrier 148 and pivoted dog 150, shown in Figures 11, 12 and 13, and operating in the manner already set forth. 4

Mechanism is now in position to continue to another coiland the operations just described are repeated until the fifth coil is wound where a span when 1 to 6 is used whereupon the cut crooked ends ofthe fth precedln g coil is either automatically or manually pushed backward to permit the double Awinding of the sixth coil in the slot already having a coil therein or two coils assuming as in the present instance two wires a and Z) are being wound simultaneously.

During the rotation of the face plate 10, in winding the several coils, as heretofore indicated, I have provided means for variably positioning the main guide 71 in order to-more satisfactorily lay the wire on the end of the armature opposite the commutator in what I have heretofore indicated as more or less fan-shape and is shown as f in Figure 7, for example. In Figure 15 is diagrammatically illustrated sthe operation` of the mechanism for accomplishingthis where it will be seen that the cam has a plurality vof rises 86 of different heights. Whenthe wires are laid for the first turn, the main cam roller 80 contacting with the' cam surface 8l permits the springs 7 6' to return the guide 71 to its farthest position at this particular portion of the winding,-that is at the end opposite the commutator end of the armature. However, afler the first or second or at whatever time it may become necessary one of the cams 86 :7s turned in such a position to contact with the roller 87 to prevent the cam roller 8O from returning to the bottom of the low point of thecam 81, thus preventing the wires from coming down o r spreading at this end of the armature, but causing same to be built up in a more or less fan-shape manner indicated as f in Figure 7 It will be noted that the rises on the cam 85, to wit; the portions 86, thereofv are of varying degrees in height to va of thisfan. construction as may be found expedient in practice. For example, instead of having the outermost turns fan the greatest distance as would appear from Figure 7,

it may be found desirable to bring then wire down further after it has been previously fanned out at this endin previous turns in the manner just described.

It is apparent that, within the scope of the invention -modifications and different arrangements may be made other than as herein disclosed, and the presentv disclosure is illustrative merely, the invention comprehending all variations thereof.

Having thus 'described my inventfon, what I desire to secure by United States Letters Patent and claim is:

1. In a machine, the combination of a wire holding means, an armature supply holding means, means for causing relative movement between said means to edect a winding Iof wire from a source thereof on the armature in a plurality of separate coils, and guiding means for variably controlling said wire to lie inlayers against ,the armature shaft at both ends of said armature, said guiding` been wound, and means for automatically in-v dexing the armature to cause the wire to be laid in another set of slots.

3. In a machine, the combination of a wire holding means, slotted armature supply holding means, means forcausing relative movement between said means to Wind coils of a plurality of turns of wire on the armature and inone set of the slots thereof, means for"R variably guiding the Wire dependent upon l the number of turns of i@ire laid on said ar- `mature to compactly lay the 4wire thereon, means to cut oft' the wire after one coil hasbeen wound, means for automatically indexing the armature to cause the wire to be laid in another set of slots, saidfwire cutting means coo ratin to form a wire holdin means 1:9 g

during indexing. 4. In an amature winding machine, including a wire4 holding mechanism, a com- Obined holder and'cutter comprising a slotted rod for receiving wire being wound, a c utting edge adjacent thereto and means for causing krelativeprotation between said cutting edge andsaid rod to sever wire in the holder.

'- 5. In an. armature w'inding mechanism, a' y isc' releasable armature'holding means, and an armature indexing means including an indexing dog, means carried by said dog for releasing said holding means, means carried by 5 said'y dog for indexing the. armature, means l forretul'ning said dog -to normal, and means for holding said dog out of contact with the armature during its return.

6. In a mechanism; the combination of a f source of wire supply; 'wire holding means; armature holding means; means for causing reative movement between said means and said source ofwire to effect a winding of wire therefrom on the armature; means to form the end of one coil and the beginning of another; means to sever the wire and means to operate said severing means at periodic intervals of the operation of the mechanism. l

7. In a mechanism; the combination of a 0 source of wire supply; wire holding means;

armature holding means; means for causing relative movement between said means and said source of wire. to effect a winding of wire therefrom on the armature in a series of separate coils means toisever the wire and means to operate said severing neans at periodic intervals of the operation of the mechanism to simultaneously form the end of one coil` and the beginning of another coil.

8. In a` mechanism; the combination of a source of wire supply; wire holding means; armature holding means; means for causing relative movement between said means and said source of wire to effect a winding of wire 3 therefrom on the armature; means to sever the wire and simultaneously forming theend of one coil' and the beginning of another coil after the latter coil has had certain turns thereof wound.

4 9. In a mechanism; the combination of a 4'" therefrom on'the armature; guiding means for controlling said wire; means to form the end of one coil and the beginning of another;

means to sever the wire and means to operate said severing means while the mechanism is f in operation.

A 10. In a mechanism; the combination of a source of wire supply; wire holding means; armature holding means; means for causing relative movement between" said means and said source of wire to effect a winding of wire therefrom on the armature and guiding means, including an arm positioned adjacent the armature and relatively movabley with reo spect thereto for variably controlling said layers against the armature shaft at both vends of said armature.

` 11. In`a mechanism; the combination of a source" of. wire supply; wire holding means;

armatureholding means; means for causlng wire as the turns of a cgil increase `to lie in relative movement between said means and said source of wire therefrom on the armature in a plurality of separate coils, of a plurality of turns; guiding means for variably controlling said wire as said plurality of turns and coils are wound; means to sever the wire and means to operate said severing means at periodic intervals to form the end of one coil and form the beginning o f another coil.

12. In a mechanism; a source of power; a wire supply; a wire holding means; armature holding means; means for causing relative movement between said means and said wire supply to effect a winding of wire therefrom on the armature; a clutch between said source of power and said last mentioned means; guiding means for said wire; timing means for disconnecting said clutch after a predetermined number of vturns of wirefor a coil have been laid on said armature; means to severthe wire and means to operate said severing means at periodic intervals of Lthe operation of the mechanism.

13. In a mechanism; a source of power' a wire supply; a wire holding means; armat re holding means; means for causing relat'we movement between said means and said w1 e supply to effecta winding of wire therefrom predetermined number of turns `of wire for a coil have been laid on said armature; a

single cutter for cutting said wire and means to operate said cutter at periodic mtervals of the operation of the mechanism.

14. In a mechanism;'the combination of a source of wire supply; wire holding means; armature holding means; means for causing relative movement between said means and 'said source of wire to effect a winding of wire therefrom on the armature in a plurality of coils, means to provide lead wire for the beginning and ending of each of said coils and means to cause adi'erence in appearance between lead wires, said means being actuated .atperiodic intervals of the o ration of the mechanism forming the beginning of said.v coils and the lead wires forming the endings thereof. 15. In a mechanism; the combination of a source of wire supply; wireholding means; armature holding means; means for causin relative movement ,between said means an said source of'wire to effect a windingcf wire therefrom on the armature; automatic cam operated means for severing said wire and automa-tic means to place the wire in the holding meansat periodic intervals of, the mechanism.

16. In a mechanism; the combinatlon of a source of wire sup ly; wire holding means; armature holding means; means for causmg armature holding means; means for causing relative movement between said means and said source of wire to effect a winding of wire thererom on the armature; automatic means to place the wire in the holding means for cutting and differentiating the end of a coil and the beginning of another coil.

18. In a mechanism; the combination of a source of wire supply; Wire holding means;

armature holding means; means for causing relative movement between said means and said source of wire to eect a winding of wire therefrom on the armature in a plurality of i to coils;.and means operating as holding, cuttin and differentiating means for said coil an lead wires. 4

19. In a mechanism; means for rotating a slotted armature core upon an axis perpendicular to Iits normal rotating axis; nonrotating means to guide a wire to the armature core; said guiding means moving toward and away from said core; means for periodically cutting said Wire and means for indexing said core. M

20. In a mechanism; a source of power; armature holding means; means to rotate said holding means and armature in a plane corresponding to the armature normal rotating axis a clutch between said source of power andr said armature holding means; timing means for disconnecting said clutch after a predetermined number of rotations of said holding means; means to guide wire to the armature; means for periodically cutting said wire and means for indexing saidarmature after said wire has been cut.

21. In an armature winding mechanism, a

frame means for holding an armature against rotation on its axis; automatic cam operated means for releasing the armature; and means including a cam operated member for'indexl ing the armature simultaneously with the operation of the armature releasing means.

22. In an armature winding mechanism, a frame means for holding an armature against rotation on its axis; automatic cam operated means for releasing the armature; means in.

cluding a cam operated member for indexing the armature simultaneously with the operation of'thearmature releasing means and means including a manually operatedfinger :for rendering said automatic indexing means inoperative.

23..An armaturewmding machine comprising in combination, a rotatable head for supporting an armature core with i the core axis transverseA to the axis of rotation of the winding head, meansfor rotating the winding head, mechanism for rotating the core to index the core into successive 7( winding positions, and means driven bythe winding head rotating means for automatically operatin the indexing mechanism after a certain num er orevolutions of the winding head have taken place.

24. An armature winding machine comprising in combination, a rotatable windinghead for supporting an armature core `with the core axis transverse to the axis of rotation of the winding head, means for rotating- 30 the winding head,mechanism for rotating the core to index the core into successive winding positions, a locating member for normally, maintaining the core in a desired location 1 relative to the winding head, and means- 85.

driven by the winding head rotating means operating Aafter a certain number of revolutions of the head automatically to retract the locating member from the core and then to no operate the core indexing mechanism.

25. An armature 'winding machine' comprising in combination, a' rotatable winding head for supporting an armature core with thecore axis transverse to the axis of rotation of the winding head, means for rotating the 95 Winding head, mechanism for rotating the core to index the, core into successive winding positions, and means under the control of the Winding head rotating means for automatically stopping the winding head vafter alo certain number of revolutions and for operating the indexing mechanism.

2Q. An armature winding machine com'- prising, in` combination, a rotatable winding head for supporting anarmature core with- '105 its axis transverse to the axis of rotation of the winding head, power operated means including a `clutch for rotating the winding head, mechanism for connecting and disconnecting the clutch, and core indexing u.

means including a member for engaging a core tooth and mechanism for advancing saidmember to rotate the core in response to thel disconnection of the clutch, said mechanism retracting the indexing nember to position n@ for the next indexing'operation in response to the connection of the clutch.

27. The machine dened by claim 24 provided with manually operated means for retractin the locating member.

28. n armature winding machine comprising in combination, a rotatable winding f head for Vsupporting -an armature core with the corehaxis transverse tothe axis of rotation of the winding head, means for rotating the Winding head, mechanism for rotating the' core 'to index the core into successive windin positions, a locating member -for normal y maintaining the core in a desired loationrelativeto the winding head, .and 130 means under, the control of the winding head rotating means for automatically stopping the Winding head after a certain number of revolutions and for retracting the locating member and for operating the indexing mechanism.

29. An armature Winding machine comprising, in combination, a rotatable yWinding head for supporting an armature core With Lits axis transverse to the ax1s of rotation of the head, a tubular shaft supporting the head, and means for indexing the core including a dog spring actuated in to a core slot for engaging a core tooth, a rod slidable endwise within the shaft, and mechanism connecting the dog and rod.

30. n armature Winding machine comprising, in combination, a rotatable Winding head for supporting an armature corewith its axis transverse yto the axis of rotation of the head, a tubular shaft supporting the head, and means for locating the core in a desired position relative to the head, said means comprising a `member adapted to be received by a core tooth anda rod slidable lrough said shaft for operating said mem 3l, An armature winding machine comrisin in combination, a rotatable winding iiead or supporting an armature core with the core axis transverse to the axis of rotation of the Winding head, a drive shaft upon which the winding head is mounted',-fa driving'member, a clutch movable longitudinally ofthe shaft but rotatable therewith, a'clutch operating member manually movable into engagement with the driving member to operatively connect said member with the drive shaft, alatch for maintaining the clutch operating member in the connecting position, means operated by the drive shaft for moving the latch to release the clutch operating member, after the drive shaft has been rotated a predetermined number of revolutions, and means adapted to rotate the armature core in the winding head to index said core into the next adjacent winding position, upon movement of the clutch out of engagement with the driving member.

32. An armature winding machine comlprising in` combination, a rotatable winding ead for supporting an armature core; means for rotating said head; a wire loop receiving means carried by said head, said loo providing leads for successively wound coils applied to said armature; and automatic means actuated by the winding head rotating means for removing the leads from said loop receiving means.

33. In a mechanism; a wire holding means;

acombined holder and cutter comprising a -slotted rod for receiving Wire; a cutting edge adjacent thereto; periodically operated cam actuated-means for moving said rod relative to said cutting edge to sever the`.wire, said CERTIFICATE CRRECTION. u

Patent No. 1,890,111. December 6, 1932.

HARRISON H. EATON,

It is hereby certified that error appears in the printed specification of the abcve numbered patent requiring correction as follows: Page 7, lines 84, 95 and 108, claims 1, 2 and 3, respectively, strike out the word`V "supply" and insert the same after "wire" in lines 83, 94 and 107 respectively; and that the said Letters Patent should be read with these corrections therein that the same may conform to the record of the case in the Patent Uffice.

Signed and sealed this 28th daly of February, A. D. 1933.

MQJ. Moore, (Seal) Acting Commissioner of Patents.

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