US1557407A - Device for winding radiocoils - Google Patents

Description

Oct. 13 1925. 1,557,407

F. BITTNER DEVICE FOR WINDING RADIOCOILS Filed Jan. 1925 2 Sheets-$heet l .7 I V K/ 3 k x I granhlin 1511M 23 g INVENTOR ATTORNEY Oct. 13, 1925- 1,551,407

F. BITTNER DEVICE FOR WINDING RADIOCOILS Filed-Jan. 19, 1925 2 Sheets-Sheet 2 INVENTOR ATTORNEY Patented Oct. 13, 1925.

FRANKLIN BITTNER, OF NEW YORK, N. Y.

DEVICE 10R WINDING RADIOCOILS.

Application filed January 19, 1925.

To all whom it may concern Be it known that I, F RANKLIN llrrrnnn, a citizen of the United States of America, residing at 81 Irving Place, New York, county and State of New York, have invented new and useful Improvements in Devices for Vinding Radiocoils, of which the following is a specification.

This invention relates to devices for winding radio coils, and particularly to devices for winding low loss radio coils.

One of the objects of the present invention is to produce an improved skeleton or frame work upon which a low loss radio coil can be wound accurately and speedil with the greatest ease and facility, thereby extend-- ing its use to the amateur and unskilled, as well as to the skilled.

Specifically, the present invention contemplates the provision of a device which can be assembled in a plurality of ways to produce a plurality of cylindrical supporting surfaces having different diameters, whereby coils of various diameters can be readily wound by merely changing the position and location of the relative parts.

Specifically, the invention further contemplates the provision of a device for winding radio coils which can be readily disassembled without interfering in any way with the coil being Wound, thereby facilitating the formation of a coil having uniform honeycomb formations.

These and other features, capabilities and advantages of the invention will appear from the subjoined detail description of one specific embodiment thereof, illustrated in the accompanying drawings, in which- F igure 1 is a plan view showing the units assembled for a certain diameter.

Fig. 2 is a section on the line 2-2 of Fig. 1.

Fig. 3 is a plan view of the centerpiece.

Fig. 4 is a side elevation of the centerpiece.

F ig. 5is an elevation of the centerpiece, showing the peripheral openings formed therein in dotted lines.

Figs. 6, 7 and 8 illustrate a plan view, a side elevation and an end elevation respectively, of one of the coil supporting units.

Fig. 9 is a side elevation of one of the securing pins.

Fig. 10 is a side elevation showing one of the supporting units and securing pins secured to one another.

Serial No. 3,419.

Fig. 11 is a view illustrating diagrammatically several of the variuos diameters of the supporting surfaces for the coils, and

Fig. 12 is a view illustrating diagrammatically still a. different diameter of Supporting surface for the coil being wound.

The present invention contemplates the provision of a winding device particularly adapted for forming low loss radio coils. To do this, there is provided a centerpiece 1 having an uneven plurality of orifices 2 formed therein for the reception of pins 3.

There is also provided an uneven plurality of wire supporting units t which may be secured to the centerpiece by the pins By the relative positioning of the pins, units and centerpiece, one to another, a plurality of winding devices may be produced.

The centerpiece, in the present instance, has three cylindrical portions 5, 6 and 7 of different diameters, the cylindrical portion 6 being provided with the orifices 2 and in the present instance having the greatest diameter, and the cylindrical portion '7 having the least diameter. The cylindrical portion 7 is secured to one side of the cylindrical portion 6, and the intermediate sized cylindrical portion 5 secured to the other side of the cylindrical portion 6.

The pins 3 of which there are provided an uneven number, are preferably cylindrical in form, as illustrated in Fig. 9. The pins 3, in number, of course correspond to the number of orifices 2. hen assembled, the

orifices 2 receive the pins 3. The orifices 2,

in the present instance, are about one-half inch in depth.

I the present instance, the device is illustrated as comprising thirteen orifices 2 and thirteen pins 3, although, of course, it is understood that good results can be obtained with a greater or less number of pins, so long as they are uneven in number.

One type of winding device can be ob tained by merely securing pins 3 to the centerpiece 1 without the use of the supporting units 4. In such instance, the periphery of the cylindrical portion 6 will serve as the supporting surface for the coil to be wound. Of course it is understood that the reason for providing an uneven number of pins is in order to insure the winding of the conductors on the pins so that the wire, when returning to its initial pin, will be directed in the opposite direction around said initial pin so that adjacent layers of the wire will units 4, as illustrated in Figs. 6, 7. and 8, each consist of a lower anchoring member 9 and a pin member 10. The pin member 10 is preferably cylindrical and has substantially the same diameter as the pin 3. In the pres- I cut instance, it is shown as having a shortor length than the pin 3. The anchoring member is preferably of the same width as the width of the centerpiece 1. It has two sets of inclined faces, one set comprising the faces 11 and 12, and the other set comprising the faces 13 and 14. The inclination of these faces depends upon the number of pins and supporting units that are used. In the present instance, where only thirteen pins and thirteen supporting units are used,

the faces of each set are inclined to one another at about twenty-seven degrees- The end face 15 of each anchoring member, in the present instance, is shown convex, although this is not necessary. It is only necessary that the length from end to end of the faces ap roximate about one-thirteenth of the perip ery of the cylindrical member 6 so that whenthe anchoringmembers are secured to said c lindrical portion 6, in the manner indicate in Fig. 12, the face 11 of each anchoring member will engage the face 12 of an adjacent anchoring member and thereby aline the anchorin members with one another, around the cy indrical portion 6. Of course, when there are a greater or less number of anchoring members used, the length of the end face 15 will be correspondingly changed. As shown in Fig. 8 a cylindrical opening 16 is formed in the anchoring member extending from the end face 15 to the concave face 17. Through these orifices 16 and the orifices 2, the pins 3 extend and thereby help to aline and anchor the anchoring members to the centerpiece 1.

When the supporting units 4 are used as just described, with the convex faces 15 engaging the eriphery of the cylindrical portion 6, as il ustrated in Fig. 12, the coils, of course, will be wound on the pins 10 and consequently the radius of the outer suprting surface of the coils will be, as inicated in Fig. 12 by the arrow 26.

Adjacent to the concave face 17 a depending portion 18 is formed on each anchoring member, the side faces of which are continuations of the faces 13 and 14 of the anchoring member. The end; face 1? q pendingmember 18 isalsd concave. if presentinstance, the arcuate length of fill concave face 19 is substantially one;thirteenth of the peripheral length of the lindrical, portion-7, and the arcuate of the concave face 17 of each ancho nlilember ;.}i1s sllitistanthiallfy hone-ihirteend t e perip era engt o t ecy in rice tion 6. Furthermore, the faces are also inclined to one another at awfi twenty-seven degrees. Gonsequenlrwhfiy the anchoring members are mean ondillet' centerpiece 1 with their concave faces a engagement with the cylindrical 6 and their concave faces 19 in engagemelfi with the cylindrical portion 7, he ing members, as shown in Figs. 1 and 2, aline one another and be -in intimate e-t ment with one another. In this also, the pins 3 will extend thmughthea fices 16 into the orificesfl of "the cylindrical portion 6 and there help properly'to and anchor the anchoring member. y the anchoring members are mounted, as:

a Lair-n mam-ii lustrated in Figs. 1 and 2 just radius of the outer eripheryd'efined convex faces 15 will be, as indicated 11 b the arrow 20. wa n the anc mem rs are so mounted, the cond 1,, can also be wound around the pins 10M the supporting units, in which case, outer supporting periphery of Such ductors Wlll have the radius indieated fl. the arrow 21 in Fig. 11.

Still further combinations em be? trived. As an instance as illustnted the rightside of the schematic view, I 11, the concave faces 19 of the sac 1' members may engage the cfilindrfical port, 5 of the centerpiece 1 wit me 22 of the de nding i the face 23 o the eylindrieai' portioiiy f being alined thereb when the piasi fi flintv-f tend through the o "'ifl'ofthe "I 1.1 members into the orifieesQof-the ey y portion 6. In this positionagaingtwo fl mg surfaces are provided, one the pins 3 on the convexfaees 15, of which'is indicated the arrow w the other winding s ace on the pifisf the outer riphery of'the windinghaving the i adius indicated: by the minum, the centerpi and anchoriq bers being cast and the rods cu'tflfrom dricai stock, although obviously, othet terials can also be used with With these devices, it is than a that low has radio coils with various ters can be wound by merely re-a W the units to suit the combinations When the coils are formed on the ins "the coils can be removed without This is readily accomplished by securing the loops of a coil together with silk thread, shellac or the like, as each pin 3 is drawn out. In other words, as each pin 3 is removed the adjacent anchoring member is free to drop out. Thereupon, and before removing the succeeding pin 3, the liberated portion of the coil is secured in position by a silk thread, shellac or the like, whereupon the next succeeding or another pin may be removed, liberating another anchoring member and so on.

Similarly, when the coils are formed on the pins 10, the coils may be removed without distortion. In this latter case, similarly a pin 3 will first be removed, and thereupon the thereby connected anchoring member 9 withdrawn to liberate a portion of the coil, which may then be secured in place by a silk thread, shellac or the like. Thereafter a succeeding or another pin 3 may be removed followed by the anchoring member 9 which has been secured in place by such pin 3.

The removable feature aforesaid constitutes one of the main features of the present invention.

\Vith these devices, low loss radio coils of various shapes may also be roduced without regard to the diameter 0 the same. As an instance, instead of winding the conductors of a. coil zig-zag from the left side of one pin to the right side of the succeeding pin and from such right side of the succeeding pin to the left side of the next succeeding pin, the conductors of a coil may pass around the left side of two adjacent pins and then pass to the ri ht side of the next two succeeding pins an so on.

- \Vhen the pins 3 do not fit snugly in the orifices 2 of the centerpiece 1, (1 results have been obtained with this device by using a rubber band 27, as illustrated in Fig. 2, encircling the pins 10 whereby theanchoring members 9 and pins 3 are securely located in place.

It is obvious that various changes and modifications may be made to the details of construct-ion without departing from: the general spirit of the invention, as set forth in the appended claims.

I claim:

1. A device of the character described havmg a plurality of pins, a centerpiece provided with a plurality of orifices for removahly receiving said P1118 and to form a forming core for a coil having an inner periphery corresponding to the outer periphery of the centerpiece, and a phirality of anchoring members removehly secured in position on said centerpiece by said pins to form a forming core for a coil having an inner periphery corresponding to the outer periphery formed by said anchoring members 2. A device of the character described having a plurality of pins, a centerpiece provided in its periphery with a. plurality of orifices corresponding to the number of pins for removably rcmiving said pins to form a forming core for a coil having an inner periphery corresponding to the outer periphery of the centerpiece, and a plurality of anchoring members rcmovably secured in position on the periphery of said centerpiece by said pins to form a forming core for a coil having an inner periphery corresponding to the outer periphery formed by said anchoring members.

3. A device of the character described having a plurality of pins, a centerpiece in its periphery provided with a plurality of orifices corresponding to the number of pins for rcmovably receiving said pins to form a forming core for a coil having an inner periphery corresponding to the outer periphery of the centerpiece, and a plurality of anchoring members removably secured in position on the periphery of said centerpiece by said pins to form a plurality of forming cores for coils having inner peripheries corresponding to the outer peripheries formed by said anchoring inembeis.

4. A device of the character described having a plurality of pins, a centerpiece having a cylindrical surface and provided with a plurality of orifices in its periphery corresponding to the number of pins for removably receiving said pins to form a forming core for a coil having an inner periphery corresponding to the outer periphery of the centerpiece, and a plurality of anchoring members removably secured in position on the periphery of said centerpiece by said pins to form a plurality of forming cores for coils having inner peripheries corresponding to the outer eripheries formed by said anchoring mem ers.

5. A device of the character described having a plurality of pins, a centerpiece having a plurality of cylindrical portions adjacent to one another, there being a plurality of orifices in one of said cylindrical portions corresponding to the number of pins for removably receiving said pins to form a forming core for a coil having an inner periphery corresponding to the outer periphery of the cylindrical portion provided with the orifices, and a plurality of anchoring members removably secured in position on the periphcry of said centerpiece by said pins to form a plurality of forming cores for coils having inner peripheries corresponding to the outer peripheries formed by said anchoring members, said anchoring members having depending portions engaging one of said cylindrical portions to define the location of the same.

'6. A device of the character described, having a centerpiece composed of three cylindrical portions concentric with one another and of difierent diameters, the intermediate portion having the greatest diameter and provided with a plurality of orifices, anchoring members having de ding lugs ltto engage either af aid other y drical portions according to the position to be assumed. therebeing-orifices formed in saidanchoring me hers, and spin extend through the o es of said anchoring mem rs into said loicenterpiece toanchor the same in place.

7. A device of the character described having a plurality of ins, a centerpiece having a plurality of ori ces for removably receiving said pins to form a forming core for 16 a coil having one diameter, a plnralit of anchoring members provided with orifices to receive said pins and to be removably secured in position on the periphery of said centerpiece to form a forming core for a coil 20* having an inner peri hery correspondin to. the outer periphery efined by said one oring members,. and fixed pins on said anchoring members extending at right angles to the orifices in said anchoring members to form still another forming core for a-coil having an inner eripher corresponding to the outer perip ery de ned by the fixe pins.

8. A device of the character described having a plurality of pins, a centerpiece having a plurality of orifices for removably receiving said pins to form a formi core for a coil having one diameter, a plur ity of anchoring members provided with orifices to receive said pins and to be removably secured I in. position onethe periphery of said centeriece to form a iorming core for a coil havmg an inner peripherylcorresponding to the outer periphery defined by said anchoring members, and fixed pins onsaidranchoring members exten orifices in said an oring members to form still another forming core for a coil having an inner periphery correspondin .to the outer periphery defined by the fix anchoring member having a plurality of-inclined 1 faces so that when the anchoring members are mounted on the centerpiece their ,opposingfaees will engage one another and thus. aline the same in place.

9.. A deviceoi the character described having a plurality of anchoring members, a cents iece- 'a cylindrical portion, there ing orifices formed in sai cylindrical eportroni'and extending to. the eriphthereof, each anchoring member avmg two'vsets'of inclined faces, there being an orifice extending through each anchoring member, and securing pins extending through the orifices-of said anchoringmemso here into the orifices of said cylindrical portion to secure the anchoring members in place with either of their sets 0 inclined faces in engagement with one another.

10. A device of the character described 66-. having a plurality of securing members, a

at right angles to the pins, each cry centerpiece hav' a plurality of orifices for? removably receiving said securing to form a forming core for acoilhwin inner periphery corresponding tortheout'am f periphery of said a phi anchor-i members vided w th o each an oring malar -having asetvofi ii it clined 'faces of "one of and another set of inolined'iaees of another! incident ofinclinatiomthemcurin extending through theorifices 0 choring members either removably to C the anchoring members in lacewith the 1-3? faces of one incident of'inc ation in eni L gagement with one another to form another} formin coreehaving an-inner perip respon ing to the outer periphery of choring members when sopos'i ned, or re W movab y to secure the place with the faces of thelotherfincidentt'lfl inclination in engagementwith one anothera a to form still another to core having? an inner periphery correspo to the outer i j peripheryof the anchoring mem when positioned. 4 w 11. A device of the character having a plurality of securing mem F T- centerpiece havinga plurality of orifices j removably receiving; said securing to form a tanning core for a coil having an inner periphery corresponding'to the entail periphery of. said centerpiece a pluraliltg' efi anchorinfimembers gpvided with or" mg, each ane ringmem having a set-of clined faces ofone incident'of and another set of inclined faces of an f at incident of inclination, extending through the orifices o "said lm choring members either removably 5 cure the anchoring memrsin lace the faces of oneimcident'ofi incf f; engagement with .one another to form I? oth'erztorming core an inner perifliif corresponding tc' saw- 0am pert of the anchorin e p tioned, or remove lytosecure the anchoring members in place the faees of incident of mclinatibn enga merit n Omillol' hfll' to a'hot erifo core avmg an inner ery conesp 1 ing to the outer perip eryof the anchoring. members when sopositionad, each aneho memberwhaving a depemdingmemher is A ing the eontimiationot of facesto eng g the ieoe-and toaidf alining the anchormg. vmembers when 9 anchoring members are ioned latteri mtedf inclined with i a 12. A device of the chara'cter d having aplur-alityof securing mem centerpiecehaving a plurality of removably receiving said m f m to form a forming core for a coifiiavingx inner periphery corresponding to the outer 1|.

as i

periphery of said centerpiece, a plurality of anchoring members provided Wlth orifices, each anchoring member having a set of inclined faces, the securing members extending through the orifices of said anchoring members removably to secure the anchoring members in place with said inclined faces in engagement with one another to form another forming core for a coil having an inner periphery corresponding to the outer periphery of said anchoring members when so positioned.

13. A device of the character described having a plurality of securing members, a centerpiece having a plurality of orifices for removably receiving said securing members to form a forming core for a coil having an inner periphery corresponding to the outer periphery of said centerpiece, a plurality of anchoring members provided with orifices, each anchoring member having a set of inclined faces the securing members extend ing through the orifices of said anchoring members removably to secure the anchoring members in place with said inclined faces in engagement with one another to form another forming core for a coil having an inner periphery corresponding to the outer periphery of said anchoring members When so positioned, each anchoring member having a depending member forming a continuation of said inclined faces to engage the centerpiece and to aid in alining the anchoring members.

F RANKLIN BITTNER.

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