US981958A - Tension for braiding-carriers. - Google Patents

Description

` HE@ erarne im@ 'r oifrrcn.

SIMON W. WARDWELL, oF PRovm'ENonHonEISLAND.. 1-

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B elitr known :th-at! I, Simon 'lVARnW'LQ a'` citizen of the United States, residingwat Providence, in the countyY ofProvilence and State 'of VRhode Island, have :invented certain new and` useful Improvements vin Tensions for Braiding-Carriers, otl,which the lfolloniing is a specification.

My intention is an finipr'oved tensionde Vice for braiding machinesy and 'ite purpose is to provide for'` a WideA vrnge pt" tension variation, a Wider range than usual ot' take lupl action 'bc-fore releasing the Suppl;v to deliver'yarn andprotection tothe parte incase theA yarn is entangled on the' Suppl v"or has vbeen tied to the cop-ftubevorbobbin at Winding.

1 The'novelfand meritorious,featuree of my invention are fully disclosed inthe following Specification and accompanying drawings, which latter'ehow respectively; i

Figure 1 a front. eleiation of my deviee; .Fiev 2, f1. pleur-ien: ofthe Seme; 3; 4:15 and 6,'details of construction.

The tension `d eYice coniprisea bracket 2,v

having-a -hub 3 i n Whichie Secured a stud 4,

,en Which issniounteti `the. yarnfsupply holder 5. he V latten,consists lof a stern 8 with supply from, longitudinal dieplacenient, Iand a ,base '11, preferably of in iertecl cupv torni. The supplyv holder is restrainedffroni .turning in a .direction to deliver yarn by .a paw'l:l

or' detentl2 which engages teeth; 13 -of the base. .1 1.I Preferablyjhese teeth are within the .interior of 'the base,v the paiifl, ,12..extend- Aing ,beloiyanl beneath the riniwlel. of the latter and up, ,Within the base to engage the teeth. The pati'l isy preferably integral with .engagement with the eiipplfyiliolder, teeth '113i Atthe upper end ,oftlie rock cured an 'arm 18;,x made 'thi-n sheet inetafl' in behalf. of lightness and strength, f AdJacent vthey rockshaft l5 is parallel roclieh'ftgo,

vTENSION FOB v.israeliani whose bottoni4 1s formedase c rankl. 21` andf.

"shaft, and theextreiityisformeda ,arin QQ'is curved and the guid armf' l .stud 4see Fier. 4. Freinthisbearingfthe" which the index 3l engage. The arm QTi'sV` `sfo formed that it niust besprung upward;

the cut 'in'the rock Shaft and;beingxhelcl-i Spring tension'jvith the entremity ofthe firme C11-oleRRIERS;y

vSpecioation of etters Patent. '-:Ptelllted an, ,17, 5191141' piicatin ied'iaay 3, 1909. f serial ifa-'493,711' 'e' A:

at' theupper end of Which'islanarrfiV QZalv pf uma', einem meer Adjacent the' am, 22;. vis a spring take-up'or 'guide' 23`,`n end of which is formed as aj hub' 24,` folf the' Q5' to'receire theyarn from the tends sulo'stan'tialhr tangent. thereto, So tli in' yielding to the pull'of the Varn' itfg adlially confor'ins to the cl'irve'o'fztlie the'degre'e of Vsuch conformation Clependi upon the resistance opposed"hyjfeaidt'ai Thev resistance issu'ppl'ie'd'by the Spring@ which 'is anchored to the adjustable arniQT/' The latt'er is preferably form'edof "round A Wire 'with' a trunnion portion which' eiii ters a" socket bearing- 2S) iftheend'. ffthe 70 arm'Q extends to theed'ge SO of thebracket, which edge is concentricwvitlrthe'hub nely is formed. vover saifledge aS anl'indeix" The upper surface of the hracketat tlieieg 30 ,is for-ined with graduatedlnotcheeitwith lastically, in'order to engage't'he index-31,

with the' edge i30, 'and the elastic fre" an ef" i? on' their respective" rock "Slitts byy 1ro`vel1f8 5 means." Referring tow'thef'rm 22 which; Witlijrespect vtoI the modeilastening, lis'lilie1 thearm 18,it is, in development, of substa'nltially'x triangular fform,'and' lthe v base enclis? formulata ysharp right angle tothebed-yftfo: constitute .a key'y SQL-While the nietallaclj a'centf.. isi formed cylindewie Laboutmthei i-ockfshaft5f'A to' form a` hub. In the rock Shaft" 20de f-ajt'. keylway to receive `'the keyaportion' 34C lofi.; eff" the arm fand `f also a. v*peripheral cut`4V "36; 1.95 Through'an' opening 37" in` the "a'rm,"the vguide Y..

,Q3 extends, its hubporti'on Q4 engaging' 1 rein by the elasticlever-actionof thefarin;l itsy point of Contactl 38 Withthe arm-.22 10U serving as. a' fulcrum, andv enga-gement funden.

22 maintaining the engagement, F 5f .Thearm 1S i`ssimilarly secured byl keying to its rock shaft-15 and is secured. from longitudi'nal displacement by thesprin'g tongue 3 9 which engagse a transverse cut- 40, Fig. 6.-

flhejspriiig( which holds the paWl 12 in normal engagement with the-supply holder 1s .secured by one end 41 passing through the rock'shaft 15,While the other ,end bears- :against'the standard 42 iii-Which the r'ock shafts'l landi 20 have bearings.

' Secured in the top of the standard 42 andl extending'close tothe path of movement of i up'-- parts.' `"Occasionally it occurs v "fis used, and 'pecially Where a 'fasciculation up and tension are event.v Therefore -the ".guide -25 nearliits terminus of eXtremetensionis aknife ,43. The purpose ofthis 'knife is to sever the yarn in case it 1s -so strong as to jeopardize the tension and takel that in `Winding la cop orbobbin the operator` has tiedV otherwise'secured the yarn. tothe 'of-'such yarns is employed as is usual, the sensitivelyresponsive elements of the take-'- .to deflect the take-up 23 too much it is en-v countered by the knife and cut bgffore the vso the pawl 12 with the supply holder, A40

parts'. are unduly strained. Connected with thecrank 21 is a rod which extends through a bearing 45. This .rod appertains to stop devices which-fare 'i of the pavvl with thera-tchet teeth.' There tension adjustment is-i'na'de atthe pawl or directly affects the pawl,`the range of take'- p action bythe yarn is limited by the extent patvl engagement the ratchet teeth must be of large pitch.v In case the pawl, in returning to enga-gement with its ratchet, just misses a tooth, then a needless and 'un-4 desirable excess of ya-rn is given off `to the extent of' onetooth, or a proportional amount dependent on the relative diameters f the ratchet and of the yarn mass'of the supply.

imperfect braidingp By divorcing the tensionandtake-up adjustment from the pawl release, much finer ratchet'teeth may be ein Would cause release .off the paw-l. -other hand, the sprin'g y2 6 may 'be set at its vextreme tension under which tlie'resistance 715 tube or'ebobbin.. -Where a large, strong yarn` endangered by such 'an' the knife 43 is suppliedvso thatl in case the tendency of the yarn is 4t supply holder from `rotation, butif'slightlyto relinquish such restraint, of i an arm to release the vyarn through a substantial rangeA before ef- "o with its ratchet teeth. To secure necessary range of such yarn action deep engagement of ratchet and paw-l 1s necessary, and consequently lply `This 'irregularity of yarn release causes irregular tension and proportionally' ployed, and tension irregularities can be more closely dlfl'erentiated and reduced.:

4By varying the tension .of the spring 26- 'the taire-up effect-may be variously modified; Set with a-\ j ery light tension the arm22 may be moved with scarcely any deflection ofthe lji guide-arm '23 Whatever, in which case the arm ,22 would ride relatively close to the arm-18 and a .slight variation of tension On the ofthe arm 22 to movementwould be so tirely to`it before it wouldoy iel d. ut'thel great advantagelies inthe fact that the adyJustable variability 'of the spring 26 is made' availableoverall the range pf movement of ythe guide 25 rather than to that small portion measured by the extent of .engagement fgreat that the'arm 23 would. conf rm enof the paul-12 withthe .ratchet teeth 13.

Wifhout unsungmy-seif .to theprecise form of construction, lI claim:

' 1 In'a tension device `for'braiding machines, the combination with' a rotatable'sup-V ply holder, la detent tol'restrain'the supply lholder from rotation and al spring therefor- -of substantially uniform resistance, of an arm-movable by the yarn to release the de# telit, a springto Oppose the movement of the arm and means to v'ary the intensity Iof' such opposition.

" 2. In a tension Adevice forfbraiding ma cliines, the combination With a rotatable supaway restrain movable from the axis ofthe holder to detent movable bythe fecting such release. 3. Ina 'tension device for braiding `ma ply holder. from rotation, of an armmove'd ply holder, and-a detent pivoted to move "19,5 chines,-the combination with.` a rotatable supf `ply holder, and a detent to restrainn the sup'- bythe yarn to releasethe .d etentand means to vary lthe range of movement before acting 'on the; pawl.

`1.4. In a tension deyicejfor' ahraiding-mm chine,

off. arm

exclusive of the' detent f to' Acontrol .thel` tension andwhen the lattelfexceeds a prescribed the Combination with. agrrbtjatablemg holder, and a detenttherefon'ofmeans,

limit, Ato disengage-thedetent from 'the supply holder, and means to vary thel limit-at Whichsuch disengagement-shall occur.

5. In a tension device-for 'braiding ma-V chines, the combination with a rotatable sup-V ply holder, a detent to' restrain the 'supply Aholder-'from rotation and anarm connected lwith thedetent, of a curved arrngzadjacent-- thearmaforesaid, a spring armh yarn eye', adace'nt the curved,

oy the yarn to shit't the curved arm into contact .'vitl'i the first arm to release the detent, and means to oppose the curved arm'to the action of the spi-'ing guide arm.

6. in' a tension device forl braiding ma- 'vchines, -the combination with a rotatable supply holder, a detent to restrain the supply. holder from rotation and -an arm con- .iti

nected with the detent, of a curved-arm ad.

vjacent the arm aforesaid',a 'spi'ingarmhav- 'ing a guide, adjacent the c'urved arm, movable by the yarn to shift the curved arm into Contact with the iirst arin to release Jthe detent-,a spring to opposethe curved arm to the action of the spring guide arm, and

means to adjust the degree ofvresistanoe op*` posed by .the curved arm'.

7. ln a tension device for -braiding inalcl'iiiies, the combination with a rotatable supply holder "having ratchet teeth Within its base, rook shaft havinga pavvl extending beloivand beneathth'ei'rim of the base and enga ging the'ratchet teeth aforesaid Within the 'supply holder base, a spring to engage the pawl' with .the teetlnand 6an arm 18 se- .cured tothe roel; shaft, of an adjacent rock shaft an arni22 .secured to said arm, andv a spring guide arm 'acted upon by the yarny to engage the arm 22v with the arm 18 to reso lease the panvl,v

. 8. ln'a tension device for a braiding ma- A chine, the combination With a rotatable sup- 'ply holderv having ratchet teeth Within its base, a roch shaft, having a paivl extending bei-ow and beneath 'the' rim of the base and engaging the iat het teeth aforesaid, a spring to engage t e'pawl With the' teethand anfarmi secured to the rock shaft, of an adjacent rock shaft 20 having a crank 2l, divergent arms 22 and 23, secured to the rock shaft 20, one'of which has a guide enl gaged by the yarn, a spring 26 engaging the crank 21 to maintain the arms 22 and 21.3 away from the arm 18, and oppose to the nide arm thel resistance of the arm diverg- Ving therefrom, and an arm 27 to which the 26 is anchored and by which act-ion is varied; Y

iin a tension device for .braidingfmaf the combination with a rotatable supider, a detent to restrain the supplyv hine, the combination With a rotatable yarn v :supply 'holder with a .base of inverted cupiv :r from rotation, and an arm connected i the detent, of divergent arms'adjacenm .forinliaving interior teeth,a rock shaft having a lpavvl, a spring-to act on the' rock shaft to engage the pa'ivl with -the teeth and an arm secured to the ro'cl shaft, ot' a second arm `adjacent the first, 'and means whereby the tivo arms are engaged by the yarn from the' supply holder to shift the paWl.

11. 'In' a tension device for braiding machines, the combination with a vrotatable yarn supply -holder and a detent to control the action of the supply holder, of an arm 18v connected with the detent, a second arm 22 adjacent the` `iirst and normally away from it, a guide-arm 23 for the yarn given od by the supplyholder and means actuated by movement of the guide-arm 23 .with the varying tensionyon the yarn to cause engagement of said arms 18 and 22 and consequent action of the detent to permit and prevent delivery of yarn-by the supply holder.

12,. In a tension device for braiding machinas, ythe' combination with a rotatable 'yarn supply holder and a detent tovcontrol 'the action ofthe holder, of an arm connected With-the detent, a second arm'adjacentthe first, a resilient'ly mounted yarn guide adjacent the second arm, elastically susceptible to slight variations in tension of the yarn, and a. spring to permit movement of `the secl ond arm With .the uide to engage the first arm to actuate the etent. e

13. In a tension device for braiding ma# chines, the combination with a rotatable yarnsu'pply holderand detent t-o-control the action of the holder,'of lan arm and connections to controlthe detent, a second arm controlled in position by the acti-on of the yarn given oi'by the cop holder, and hav' ing range of action sufficient to engage the first arm, and a resiliently mounted guide having a degree of movement independent of bot-h arms and a range of movement suicient to .engage the second arm With the first; A

and move both for thepurpose and in the manner specified. 14C. ln a tension device for braiding machines, the combination With a rotatablefcop holder, and detentto control the cop holder i acting Within the base'of the latter, of an gage and cause action of the 4first arm.

l5. In a tension device .for braiding ma-' chinos, thel combination with a supply -arm and connections tocontrol the'detentf' and a second arm movedby the yarn'to enholder, a detent' tou control the delivery of 'i yarn from `thesupplyholde`r 4and a knife tol sever'the yarn in case-of uncontrollable resistance to delivery of the lat-ter. U

16. In a tension' device for a braiding ma# chine', the'4 combination with' a supply holder,

[a ldetent to control the delivery of yarnv from thesupply holder anda talienpt'ojmaintain'v the yarn taut, `:of a :lnife adjacent the'patll-g of movement of the take-up to sever the yarn should uncontrollable resistance to delivery oecu'r. l

' 17. In a tension device for braiding machines, the combination with a. supply hololer,'u detent to control the delivery of yarrnfrom the supply holder and a take-up engaging a loop of the yarn to keep it taut, of a knife extending Within the loop of yarn to lsever the latter before it can move *the 1o take-up unduly.

In testimony whereof I ax my signature in presence 'of two Witnesses..

SIMON W. WARDWELL.

Witneses:

GRACE W. BROWN, JAMES F. MGENERY.

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