US1479900A - Method and machine for making cabled structures - Google Patents

Description

Jan. 8, 1924.

y J. A. DORNER ET AL rMETHOD AND MACHINE FOR MAKING CABLED STRUCTURES Filed Feb. v.

1921 2 Sheets-Sheei'.` 1

Jan. s, 1924. M 1,479,900 J. A. DORNER ET AL METHOD AND MACHINE FOR MAKING CABLED STRUCTURES Filed Feb.y 7. 1921 2 Sheets-Sheet 2 4 'gil [35% /35 .I

M7 53 'El MII 35mm I H?,

Patented Jan. 8, 1924.

UNITED STATS PATENT OFFICE.

y.I'OH'N' A. DORNER AND FRED CLIFTON FRANCISCO, OF AKRON, OHIO,.ASSIGNORS TO THE B. F. GOODRICH COMPANY, F NEW YORK, N. Y., A CORPORATION 0F NEW r YORK.

'.lllliilTHO-D AND MACHINE FOR MAKING CABLED STRUCTURES.

Application filed February 7, 1921. Serial No. 443,072.

To all whom it may concern:

Beit known that We, JOHN A. DORNER and FRED CLrF'roNFRANoIsoo, citizens of the United States, residing at Akron, in the county of Summit and State of Ohio, have invented a certain new and useful Method and Machine for Making Cabled Structures, of Which the following is a specification.

This invention relates to Winding a strand in helical convolutions upon an article, respecially a ring or endless article, more particularly to the art of making endless machine belts such as automobile fan 'to provide means for bel-ts wherein the belt is formed by winding a rubberized cord helically about an endless core to make a gromme. With machines used prior to our invention difliculty Was had in. procuring accuracy in the laying of the cord because of the irregular turning of the belt upon its cross-sectional was propelled circumferentially, due in part tothe tangential pull of the tensioned cord as it was Wound upon the belt, and dificulty has been experienced in obtaining an accurate-control of the pitch of successive turns of the cord so as to providea smooth, even layer of cord completely covering the core. The general object of our invention is to provide an improved method and improve-,d

apparatus for Winding a strand in ,helical convolutions upon an article, and more parinterwinding a strand upon an A `more specific object is avoiding or reducing the amount of turning or rolling of a ilexible, annular article upon its'cross-sectional axis as it is propelled circumferentially and a strand Wound thereon, and for regulating or controlling that tendency, and for compensating such rolling as does occur, and thus procuring an accurate laying of successive convolutions of the strand adjacent each other to form a smooth layer of such convod lutions upon the core.

Of the accompanying drawings: Fig. l'1 is a plan view of a belt winding maticularly for annular article.

chine embodying a preferred form of our and ` mentary clutch axis as it 4 work-driving roller,

4 l s lmounted upon said 4 is a section on line 4-*4' ofFig. 3.

is `mounted an' open sided ring Winder 11 and a set of gears 1.2, 13, 14, 15, 16, 17, adapted'torotate said ring Winder in either direction. 18 is a gear secured to the' face ofthe ring Winder 11, 1n mesh with gear 17, and formed with a radial passage -19 in continuation of the -radial passage 20 of the ring Winder.

The ring Winder 11 isjournaled upon' a hollow axle formed With a radial 'passage reglstrable Withthat of the Winder and is secured on said axle by a retaining plate21. Gears 12 and 13, both permanently meshed with gear 14, are loosely journaled upon a shaft 22. 23 is a belt Wheel, formed on one side with a female clutch cone, loosely journaled upon said i cone slidably keyedl upon said shaft. 24a is a foot-operated shifting lever for said cone clutch. 25 is a doubleacting jaw-'clutch slidably keyed upon said shaft 22 between gears 12l and 13, and adapted to engage 14 in one direction While gear 13 runs idle or to engagegear`1-3 and turn gearI 14 in the shaft, and. 24 is a compleeither gear 12 to rotate gear opposite direction While-gear 12 runs idle.

25, Fig. 2, is a shifting lever for said jawclutch. 26 is a pinion secured to the end of shaft 22 and meshed With a gear 27 secured to theend of a shaft 28. 29 is a grooved, provided with a series of teeth or -pins 30, 30, in its groove, said Work-driving posite end of shaft 28and positioned. in Working alignment With-thering Winder 11.

They work-driving roller. 29 is thus adapted f to be driven always in the same direction, clockwise as viewed in Fig. 2, Iwhen the cone clutch 24 is engalged.

Referring tov igs. 2, 3, and 4, 31, 32 are 'grooved Work-supporting" rollers loosely journaled upon the frame 10in Working alignment with the Work-driving roller 29 and the ring Winder 1,1. `33, 33 is a curved series of small rollers below and in` aligne ment with the aforementioned rollers, the end rollers of the series being mounted in a' guideway 35 formed in the frame 10'. v135 is rollers in position to be Wound. 36 is a lever fulcrumed on the frame 102at 37. '1351* is thebelt-core and v-135lis a 'rubberized cord being wound therep ooved, and all of said rollers 33, 33 being oosely jour-- fnaled upon a vertically movableslide 34' roller being secured to the opapartially Wound beltl I with a ratchet 4l forme upon the frame l0.

42 is `a link connecting the outer end of the lever 36 with an intermediate part of the hand lever 38. rlhe lower part of the slide 34 is formed with bearings 34a, 34b for` a pair of beveled gears 43, 44. 45 is a hand wheel adapted to turn the beveled gear 43l and 46 is a vertical screw or worm secure to the beveled gear 44. 47 is a block formed with female threads, said block being mounted upon said worm 46, and 48 is a link connecting said block 47 with an intermediate part of lever 36. The hand lever 38 is thus adapted to raise and lower the link 42, lever 36, link 48, block 47, worm 46 and slide 34, together with the gears 43, 44 and the hand Wheel 45, for local adjustments. With the hand lever 38 in a given position, the hand wheel 45 is vadaptedto raise and lower the slide 34 for either majorV or -minor adjustments.

49, 49 is a short curved series of rollers loosely journaled on the slide 34 above the rollers 33 and adapted to hold belts of relal tively short length, the end rollers of said series being grooved.

50 is a riction-'braked cord spool mounted` upon thering-Winder ll, 5l is a counter Weight' opposite thereto, and 52 is a cordlaying tube or finger mounted upon the ring Winder With the axis of its cord passagelying approximately in a perpendicular radial plane with respect 'to said ring Winder, and said finger is adapted to be vadjusted in said plane, its point thus being vswung from or towardv the work to adapt'it for belts' of different cross-sectional size. 'lt is ldesirable that the point of the cord-laying finger pass about `they-work in close proximity thereto.

lin the operation of the machine the ring Winder is turned by hand until itsy radial passage registers with that of its axle and an endless belt-.core 135% -which may beo'f spliced cord-cable or other suitable construction, is inserted in the ring Winder and -mounted upon the grooved rollers 29, 32,

31 and 33, as shown clearly in Fig. 2. lf a belt of a new size is to be wound the slide 34 is adjusted .vertically by means of the hand wheel 45 until the belt core is moderately taut When the hand lever 38 is in an j intermediate position. rl`he rubberized cord 135b from the spool 50 is threaded through 'the tube or finger 52 and its lend attached to the belt-core adjacent the end of said tube.

y tation of the ring Winder ll, counter-clockinvano@ wise as viewed in Fig. 3, thus winding the cord helic'ally about the core.

lif a belt of a new size is to be Wound., it'v may be necessary to make several trials with the hand lever 38 in different positions in order to cause the first course of the helical windingto return accurately to its starting point, but when, by such trials, it has been determined what position of the hand lever 38` is necessary to produce this result, additional belts ofthe same size may be started' with said lever secured in the particular adjacent the last laid course until the core is completely covered with a layer of cord. rllhe small rollers 33, notwithstanding the tangential pull of the tensioned cord from the spool 50, by reason of th,eir large aggregate surface of contact with the work, reduce the tendency of the core, or partly wound belt, to twist or roll upon its cross-sectional axis as it is rotated circumferentially, and especially prevent irregularity in such rolling. f

lf successive convolutions of the cord tend to climb upon each other-the tension -upon the core is lessened by raising the hand lever 38, and if they tend to spread apart, said hand lever is lowered, tightening the" core or partly wound belt. rllhe Work-driving roller 29 being rotated at a constant speed relative to the speedrof the ring Winder and being provided with the teeth 30 to prevent slippage of the'work thereon, an immediate temporary effectl of tightening the belt core is, by stretching the part of the core passing between the ring Winder l1 and the work driving roller 29, to retard the passage of the. belt past-the ring Winder, and thus cause the convolution being laid to lie closer behind or more firmly against the last laid convolution. This effect .is small as Well as temporary, however, when, as shown, the work-driving roller is positioned closely' posteriorl to the ring Winder, the intervening part of the belt being too shortv to afford much elongation and consequent" retarding of the part of the belt passing the ring Winder. 4 A continuing effect contributing to the same purpose results from stretching the belt in that the convolutions, of which there are of course a fixed number in the length of We find that Y stat, the cord continues to be laid at the same angle tothe belts axis after the previously laid convolutions have had their pitch increased by the stretching of the belt. .The new convolution is thus caused to converge to the convolution previously. laid. Both the temporary and continuing effects'refegred to obviously are reversed by slacking the belt,

the delivery side causing the new Ieonvolution to lie less tightly against the convolution last laid and thus avoid climbing of the cord. A skilled operator by careful handling ofthe hand lever 38- can lay the cord with a high degree of;

accuracy and even pressure between convolutions.

An advantage of the construction shown and described is that, the Work being pulled through the Winder by the core-driving roller 29, and the tensioning Vmeans being on of said roller andon the receiving side of the Winder, the temporary effect and the continuing effect described above are cumulative, so that the operator obtains a very prompt response and, however abruptly he moves the hand lever 38, there is but a single change 1n the course of the Iing it, sai

completely nullify it .thread upon the Work, Whereas if the structure Were such that 'an increase of tension 'would speed upl the portion of the core passing throu h the Winder, instead of retard- "temporary effect Would be opposed to said continuing eil'ect and might for a time When the tension Was changed, Which Would make the accurate laying of the cords more difficult if not impossible.

".Whenthe layer of cord isv completed the machine is stopped, the cord severed and the last end thereofis attached to the belt. The operation may then be repeated upon the same belt With the Iring Winder turning in the opposite direction, the jaw-clutch 26 being shifted to engage the gear 13, to place another layer of cord upon the belt With its Modifications mayl be resorted to Without departing from the scope of our invention andWe do not Wholly limit our claims to the specific construction shown.

We claim:

1. A Winding machine comprising a ring Winder, means including a drive roller adapted to propel an endless core in a straightened path through said ring Winder,l and tensioning means for said core comprising a .plurality of rollers mounted upon a common support and means for moving said support toward and from the aforementioned drive roller.

vroller to adapt the machine for tively connected With closely er,` a tension roller for said core, a slidable.

mounting for saidtension roller, m nsfor making major adjustments of said machine comprising a ring lidable mounting toward and rornthe sai drive ili'erent sized articles, and a lever adapted to move said slidable mounting to vary the tension of the article While it is being Wound 3. A Windingmachine comprisinga ring Winder, a plurality of rollers adapted to cause an endless core tofollow a straightened path through said ring Winder. a tension roller for said core, and a hand lever connected With said tension roller and adapted to be operated to vary the tension of said core at Will during its passage throu h said ring Winder.

' 4. Winder, a plurality of rollers adapted to cause an endless' core to follow a straightened path through said ring Winder, a tension roller for said core, a hand lever operasaid'tension roller, and adapted to be operated to vary the tension of said core at will during its passage through said ring Winder an-d means for soy positions.

5. -A Winding machine comprising a ring Winder, means for driving an endless core through said Winder, =a tension roller forsaid core, a lever for moving said tension roller to vary the tension of said core, and adjustable connecting means between said lever and said roller, said means being adapted to be lengthened or shortened to adapt themachine for ^cores of different circumferential length.

6. A Winding machine comprising a ring Winder, means for driving an endless core through said Winder,- a multiplicity, of spaced tensioning rollers arranged in curved formation and adapted t0 prevent said core from turning upon its cross-sectional axis as it minutely and instantly responsive to the s1on of said core While it is-so driven.

7. A Winding` machine comprising a ring Winder, means for driving the same, means for supporting and' propelling an endless flexible core through said ring Winderfa `multiplicity of tensioning rollers arranged. in curved formation,

'a common mounting for said tensioningl rollers, and means .for adjusting said mounting' from and toward said ring Winder tion;

8. A Winding machine comprising a ring Winder, means.- for' Vdriving the same, means for supporting and propelling an endless,

' operators manipulation for varying the ten- 4125 during the Winding operai flexible core through said ring Winder, a

Winder, means for driving the same, means for supporting and propelling an endless flexible core through said ring Winder, a multiplicity of tensioning roilers -arranged in a curved series, a similar series of tensioning rollers positioned between the firstmentioned series and said ring Winder, a common mounting for the rollers of both said series, and means for adjusting said mounting from and toward said ring Winder during the Winding operation.

10. A Win-ding machine comprising `a i ring'winder, a plurality of rollers adapted to cause an endless core to follow a straightened path through said ring Winder, a plurality of tensioning means adapted for cores of dii'erent sizes, said plurality of tensioning means being mounted upon a common support, and means for moving sai-d support toWard and from the aforementioned rollers.

l1. Winding machine comprising a Winder, meansat a fixed distance from said Winder for pulling a core through said Winder, means for reversing said 'Winder marano@ With relation to the core-pulling mean-s, and means positioned, in e'ect, on theopposite side of the Winder from the core pulllng means, for varying .the tension of the part i of the core passing to the Winder. 35

12. 'llhe method of making a cabled structure Which comprises feeding a core past av point, Winding a strand thereon at said point, and varying the tension of said core during the Winding to control the po- 40 sitioning of the Strand thereon.

13. The method of making a grommet Which comprises feeding an annular core past a point, Winding a strandl thereon at said point, and varying'the tension of said 4f" positioning of the latter. 5

lin Witness whereof We have hereunto set our hands this 27th day of January, 1921.

' JHN A., DRNER.

FRED ClLlllF'llON iFRANqCllSCU.

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