claim is: eti6ii cl I)el,fo1. A f ii evice ', I , - I @ P s @ , "L 1,0 @,,ite tenslop di k ,d pted I be 4T)I-ei- o ecl t)etween siirf,,iccs of ,,t spincl]@e aiid oT ,,, bob"O biii oi- ,@i@6ol for th piii-I)ose of e ,t(!,-illg as t br-,L-'L@:e a(,-,,i;-'iast r ttt' n i 0 10 b,-,tiveen sii,-l surfaces, an.d h,(-Lviii- one or iiioi,e -n,tly supp(,,rtecl plii-s aeiapted to illitl:i oD-e 6f s.-t@cl stirTace@,, ,iiid to ',:)o (I;Ipliced -t-),aiiist ilu-s stip,,)oi@t by in th(.@ clirection. of the qxls of tl-ie sl,)indlci. 2. A -frict@,ion (I(-,Vice co--,iipl-isi,ng ,t r-Isil.ient C) pei.@foi@ate tensi.on di.sl@ ,i,cl.,.-,ptc(i to L-c ip-terI)osecl bet-",ceii of a spi-ci,-Ile ,tncl of a bobbi.n oi- @,@,pool 1.esl)ectlvely for tl,,.e pui,pose of actin(r ,ts L bi'al@e ag,,ii-ast i--,Iative -otation bet'-@,7een 9aid surfaces, ,tncl liavin-- oiie or I-iiore resiliently sul)l)ortecl integral plu(YS -ad-,tpted to engage with oiie of s-@tid sui-faces and to @ be @ clisplaced, agai.nst its re,,,ilient,@ siipi,)ort by presstire in @the@ clirection of 'Lhe axis of the spindle. 3, @ A friction device @for Lisc, ,Ls a bral,:e io-,tinst r-],,ttiie inotion b-,ti,-@een a, spilidle 70 a- collipi-isilig a n(i a s,,)oo '.I, perflor te resijicnt ri@tbl)er aisk adapted,to lie between ,i, surfice of t'Lle sp-indle tiid a sill-fice of. the spool, @Lncl haA,iii,@,, a pliir,,tlit-N, of inte,@,i.@al pliigs stil)poi@t-@d by I;riclgQs lincl -nor.iiial'f@ 75 lie thet@eby to @pi@@oject, froi-n oi-ie f@,,ee of,: a d The coiiibiiiation wi'li tL. siibst,,,-iti@tlly vel-tical -.pijidl(.@ aiicl a sl@cool th-.i-eoli, Of a '@-,tll)pOrt 'Lol. tile IoNver of tlie spool com-@ 8( a disl@ coneciatric with the spiii(ile, d'ls'i@ h,,iving ,t plui-,tli,ty of pro_ @ts SLI-L@'@,ice, a, ,I@@ctioi-@@s llpst,,indi-i-t@,y fi@oin 1 1 "in foi., ),ieldiiiyi y pei@.u-iittin literal. iiio9 n 9 -toD o-@.1 t'tie project@io s i iii.: rel)ect. to the disk. I'). The c@).iiibiiiation i-vitli i ql,)iiidle -,iiid @t spool moi!litcd tliereon, of- ineans ret,,i,rdof @t'lle spool compi-isin- ,I clisl@ co3ic(,,iitl"lc )Vitli,tlic sp@incll(,, L pliirality of-i@)OI q ct c,!(,ii-ients I)i.@ojectiiin- fi-om tla(, Taco of s@,ild (].';ST, towircl ,,cli"lceiit heacl of flie i(I re@-,ilieiit tonsioi-i iiie,,iqs i@ or 1-i6ld@ 'cl ele ent-, in i-(,Iqtion @to t@lit gi I m clisl@,. cojiibin@itioii witli. a ,@l)inclle @tnd. t sl-)ool niounted tliereon, 6f iiieans Toi.- ret@ii-di-otition of @l-ie sp'ool c(,mpi,isin,,@ lisk -%vi@l-i the si)inclle.,, ,,,id h'tivan ope-ainey, tliei,eii-i ,t pILig Avit,hin eniii- one en of tllc,, plug i o,3 CT ti@i,-mtlly pro 4ectiio o@L! tlG, aDd the PILL110 e to-w,,Lrd th adj,,iceiit oT the spool, ,tncl 1'esilient nieajis conne(,tin(,,- tl,ie I)Iiio- to t,he disl@:. 105 7. The cotnbliiition -,@itli a' vertic,,Il Si).in-' dle ,iiid t spool tlie@-eop., of illeaDF, Tor slll3- ]-.)ortiiig ai-icl cilsl-iioni.ng tl,ie E@pO',)l i-i-tbbe,,,- disli: tl,,c- sl)i,n@lle an@l I)elow the I,oAver o@-- ille @,@i)ool, incl hav, 110 ,i, sei,i.es of Ti-icti.on, pluz,,; pro,iectino-- UP",-,ti-dl- o clisl.;@ toava d thc,, 16@-re@ b(@acl. )r f@oii-i 1-h r o-f tli@ spool. s,,ticl plu,,)@s beiiil4l- P-iore reaclily depressed tl@,,in. the 1)() o-j' the dislll. S. The coMI)i@D,,ttioa tli a 115 dle and a spool. inotinted tliereoi-i, of ii-i!@ mo@in.s for the helid o-f, ti).(@ spool, es saicl. stippoi,ting n-ieall-, I)royiOtin!@ 16 iliently si-il.),,,)or'cd -fii.e@ion,.il eno;at@iii.11r siirf@i,ces cotitactiT-i(, i),it,h tli(, lo-wer lie,,t-cl of the sl)ool ,iiid@@@120 coi-islu-ructecl ancl arrl,-).geol diltoriliti-e,,,,Il-y t,o in bral@ing eft'ect as iviyiclinof'maiipon the spool,l)ro@@re,F,,ses, 9. The combi:n,,i,tioll' li,'itli ,t i,(,,rtic.)l spindle iitvinp@ t -,iiicl a -,Pool -Lip6ii @125 tl-i(, of cu-,I-iionina tnd retaraing. for thG@ spool iii. ,tn.n-Lilaii@Tibb(,,r (lisk concetric -witli tll@ I)elo-w, 'u@he lo-wer heacl of the SI)ool, s@-,,i-I clisla pi-Lirality of openings thereiii, rilb130

1,640,760 plti(ys -%vithin said openin(ys, saicl plugs t@ ;m jioi-maII3, projecting- upivardly froiai the upper f ace of the ctisk" resilient suspension n-leans coiiiiecting the plti., 'he ('s to t , body of the @tisk to pei-niit i-esilielit lateral displacement and depressioia ol the I)lu,)-s uiider pressure. 10. The combination iiitli a sl)inclle aiid ,t spool thereon, of friction nioans for retard10 in,- relative rot,,ttion of the spinclle and the t@ spool coiiipi-isiii,- an aiintilai.@ rubber disk conce-,itric ivith the spinctle ,iiacl liaN,-in- an inte(rral plu(, pai'tiallyseparate(I tli(,,refroin tn zn and pi-oject-iiig froin the surfice tllereof in the clii-ection of ,Liicl adapted to ec)nt@i,et ivith the ao@jacei-it eiid of the spool, the inte(-i-al connecting bi,id(-e betiveon the substance of the dislc proilei@ anc.1 tlte plu(y haviii@, tensile i-esilience and bei-n(,,- ad-,ipted to be stretelied 2c, by pressure of the spool Ilead a(,ainst the outer end of the plulol,. 11. The combination -with a spiiidle and a spool tliereon, of friction means for retardin(y i-otatioii of th(, spool coliiprising an inte.-posed clisl@ li,,tving a projectin(, integral 25 plt[(- stil)ported for resilient deformation into ali(,niiient, witli tlio surface of the disk under pressiii@e of the spool hetd, suell deforiiiation occasionin(. the tensile sti-etelling of the iiite(,r,,il :itinction bet-@veen the plug and 30 the bocly of the disk. 12. The combiiiation witli a spindle and a spool tliel-oon of means for opposing free rot,,ition of the spool comprisino- a disk conceiiti-ic ivitli the spindle and liaving resili- 36 c@.i-itly suppt)i-ted eleiiients pi-ojectiiig fron-i its sui-i'ac(,, toivai-ct tl-ie adjaceiit liea(l of the spool, oi,@e of said cleiiients pl@ojoetin, to a (rl.el,Lei- dist,(inee than ,tnother. Si,ned by iiie at Boston, Massacliusetts, 40 this thii-tictli day of Oetober, 1922. ELIAS J. EMERY.

Patented Aug. 30, 1927. 196409760 UNITED STATES PATEINT OFFICE. ELIAS J. EMERY, OF LYNN, Mi@,,SSAC-zIUSETTS. FRICTION CONNECTION FOR SPINDLES AXD BOBBTITS OR SPOOLS. Applicatior filed November 1, 1922, Seri,,l No. 598,412. This invention i-el@ttes to friction coiiil(,(,- oc' tli(,, tlit-tist of tli(,, sl)ool or bol)bin a,,,iinst t ' , tions betiveeii spools or ]:)ol)l)iiis iis(,cl in tc,7@- its stipl)oi-t inclii(,cd by cliiti-ed of L.I(,@ niaiitifactlires ind ,lie llollci's, tli(,. %@?otiiid iiizss. It sliotil(I never approacli pins 01- moiin!ln,).s tipon tli(,, ,- ,I)o@)ls oi, ex(,-ee(I tlio Fti-aiii on the strllict. 5 oi- bobbins are c@irrie(l, ol- lit,.Id i'o,aln@@t i-ot!i- sl)ools or bol)l)in@, refei.@i.-ed to for va60 tioii, oi- b@, iAIiicli tli(,-%, -,irc tis(,,.i N,,ii-v in size, fi@om lar,@-e spoolp, or Both ia-lien @A-inclinc, ancl I)o'@.)I)ii)s iiitc,-n(led to lio](I a siil,)stantial Avei,,@ht ,sti.,,,tncls oi, fila@@ii(,nts, sucli aF@ -vaiiis. of lic,@9Av ooi-dafr , ii-ii-e or Ayoolen yarn to corcl,,t--e, oi- iviies, or it ,in3, oi- (lic@ d(,Ii(,,ife sl)ool,.@ or bobbiii.- lo of tlle SIL-,,I,o,es ill tlle ciii(@fl.)7 eiiaplo\recl iii j@lic iii,,iiii@ifactiire of sillc 65 or ol' st,,cli filaiiieiits, it iS in(I COttOll. -wq ,tble to provide :fo,- the corta;ll conli(Ictil,)Il I @,irri i , i-e tli,,it 4@i@ictioii,,il resistance h,,ts of the bobbin or si,,ool to the giid lioi@c,,tofore b,.,(,n 1,)ro@-icle(l, esl)eci.,tlly in tl-ie its itta,,-Iiiiients, so that the co-,iiiectioii of sl)c)ols siil)l)oi-'@-e(i on )-ertic-,il spindles to fix I aiy,-,inst i@elative i-ottitioii 'k-o iee(@ive lietivv of -v,.Ii-n, bv illse,,@tTO bo'l-l,)ill or SI)OOI incl tl"- SI)in,,Ilo, ijio-, betivccii ,i fliii!@c oil the spindle and the foi,@,,es to i-otal,@e oiie iii i-espect@ the spool oi@ I)ol)bin, ,i -svasli(,,r of lei;tlior, felt to tlte othei- ,,oqch (,,r a I)i@e- oi,, fi-,,-tion initeri@ll. tipoti ivhich the detei,mi-tiecl minitiiiiiii v,,Iille. loiv(@i, encl, of the I)obbin ()r spinclle rests. 20 It 7,s ilso desii,able in al'i sta(-,es of iiiinit- Tr the (iiiiiieter o-r siieli - -w@islier be pi,op- 75 ft@,eti,ii-e oT- i,,Tottiicl packai)@es, F,iieli the eT-- Iv clioqoii, .ITlcl the qpools I-tii,e - pei-fect ,,I)ools, I)obbins, clieeses, oi, cops foriiie,,l lie,,-Lci-,. siibst,-int;,,),Ilv tlio clesirecl f iction' I rer a the m-ini-i-i",,tctiire of ,ill classe., o-@ teNsi,@tilin(-e, niti-v I)e @T)tai-necl (lilrin(y a part of tijes, to proir;-cle, A,.-,ien is '@o t'@io, iviiiclin2@ oi)ei-ation, '@)tit ,Is the -weialit of 25 1--'I@Le f(r 1.04 -)ool obobbii.i iiiere it is ne "ss,.iry 80 -,I bobbiii or spool Ill tlle si "I ce spect to @,i sT.)incl'le ind its -tppttrteii,- ,nees. to lil't it fi,om the s'l)inlie aticl. stibst tiite il,,i'-ed, controlli,l)le., ,i-ncl clel)en(l@tl)le i ivislier of iiiotlier si e, sever.Al such cl.r., betiveeii the of @l-ie i,,nit c@,,)m- cli,-ti-Ls@es beiii,, a -ri.-eqiient incident to T)roper I)r,se(I of -t spool oi- bol)biii tind itS ',@p@TI(lie. A@-incliTitr of 1,,tr@re sl)ools, osl)eeiilly o@ rel,,t85 For exa-niple, in cei@t,@tin AN,iticlin(' opcr,i- tii,-elv %veal@ v.9i,ns or ro@,in( s. tiotis i-Ticicleiital to cloublln_-, to 4o T ai-fl ilso o'-, qiinclrv friction clevices ivheii onlil, sl.)ools re- qcli.pte-I to co-niiec',, I)obb;nF, ancl spind e roylli-, o@ I s. but - n, oL- (joiil)l.et s, @l,(, tliese, clevices all siiffer c e'l v i- n @l,- the sii.ver, rovincy v,,i r T. r ,Is T iTii aayl ai-e inoutited on st- tionai,)T,-,I)inclle@., so @i,@ -'@o Le eitlier -i'ron-i the (.Iefect of not pi-ovidinc, suffl'I LI '5 tv..rn -I I)y the of @lie sti@@iiid deliv(,i@ecl ei(@ni- cli,@i- e,,iiisiii@@ the mini im ten- 90 e ml b-@ll a i-evolviiit fly(@i-. Tp o-,'Iiet- A%-Iiicli tli(,, I)ol)bin or spool -will ,i sl),)o, or bobblii is iiioi@nt(,(l ttl)on slil) on i-lie, @!pi-ndle fo 1)(.' too low; or, on the ro@tlatin- spiii(lie in(I the -@i,on-i 1.)ein(-, qo (,filcient as f or all sti@-iTic.Is @"re (,Iclivereci bN7 q piirl)oses to lo(.@,l@ tlae spindle ,t-nd oi@ iiiay not revoIN,e ali(ii4L the si)ool. tli(, 40 lol,)I)in Fo 'liit -Foi@ces approach95 In e;tber case, rotition of tl-tl, sl)oc)l iiiff i-lie stra-iif oi, c-,,@@ceedin2@ them tia,e to i@-s sj)indle or - mli@f- \,,-ill 1)(@ i-coliil@e(I to tli(,, bobbin or spool spot).d ',@O tll(, of (lelil,-el-v of 'kll(" in It-o tll(', SI)iiiclle bV forces tranpmitinde,,@enclept]), o-V the -j.,,,ite of ro@l,,itioii of flie te(I -,Ion!@ the stripcl. 'lilTij-iclin(r b)7 macliine,-, 45 sei,i s'losses diie 100 si@)liidle oi, o-r th(, CLe"Yerv Oil "I's IL-he flver, and. tli;s is bA, to f:ilili@e of !-.be ii@t to I)i-oi,icle so far ,is I ,im 'h h ii@ tens@oi-i on @lie - ,vind,ni-r sti-@incl. -,in efrt(-;o,-nt f i.,ictioii clevice w ic will The 'L 11 I'D'Illf@ MOMOlit oji the ql)ool i,,@ iiieis- cool)ej,,,il-(,, Avitli spool or I)ol)bin to grip it at tit-ed b@- this te-isi@on -ilcl [lie lil(,IillF, of the noi,.Ill'ltl t(11-liOn-I "tn(IL releise it - when neces- 105 lio A@-oiiitd' n,@ass. The ttii,ninl@ inolient nocc,@,,- .,@,ai-v to the Fp,)ol oi- I)ol)l)in in -relti@@on ol)lect of t.lie pi,esent invention I( , , I t i c l e t h e d i f f i c t i l t i e s a l - to il@-s tin@ler icle,,il slioiil(l iq t t-o p e be @lo i-eiii,,i;ii coii,,iL',int (Iiii-in@-, i@fi- to I)i the p,,@o@-isioil o-f iiielils adl,ptecl to ioi,,,s niontioned, and constii of tlie, Ai-oiind of ltlie tlio, sey,@i,,ql @,@itiiit cl l@inot of fi-ict;otial connee- 110 ,i t,@e, spool oil bol)t)in, tiici -tt:tt,in,, i,al'i-,,it,oii ttitil,-, all il'.Iprov,l

1,640,760, tion I)c,,tNieen i, spiptlle oi- its .ttt,,icliments the tiibiii@@ir spilidle of ,t spool windiiig maa bol,)bin oi- sp(ol iiio,,inted iip(Di-i a lpin(ile; cliil)e, T@' 'g'@ 9 @l pl,,iii oi-ie 6f the f-ri to pi-oa-icle foi- iT-icl-et@,sino- -@lic frictioiial re- I sistal3ce to ttii-iii-ng o'l bobbiii or 11- i.on elonicii(s of size siii.table to @coniiect 5 spool ,ind spindle tlio, i a-.,-@(i of ,t spiiii-.iin,, fraii-ie; 70 I)v -@lie sl)ool or iil(l bol)l)in. Toi, oxqiitpl(@. to flic T,-@io-. 10 is s(,ctioii slioiviil(y the of eleiiie-,its. th va 'I) A@-Oll @-It Itiy iici ti-I)oii it, iiid of iniiioi, de-re(t@,@, of 'tlie, si)ool ol. 1.)Oj)[)ill @Referi@i-iig to Fi(-s 1 2 aiid 8 0 f the for coni-iec@Lii-t,- ,i, sl)iii- (.S. 1 i ii ow a A-, lo,, and to i-)i@- oAT@de Sil ertielil 7,3 cl.l(@, @aii@l. its t', ol' 1, Ale , 11 I L@ ll'yl ot- a :spool )Ilhlcl,, M(?Ill' iei@ ("@is @ l i @ ) e , c a j i , i e s bei-s certainly to iii!)%Te -%vith 'Llie, ])Tit t( it, ,.s by :(,t c e-v@ 4- -Nvhlcli iipoii 'L lie, -)-i, 1),@eLt@Oi ZIS (I, rcs'c, f ol@ tlle, SP601 i-i liliTii',Tltilll ilesi It -'I 14 (r tliid "T. ' @l Fi detei-i to mo@.'-io o@ ivl-ieli, one in re@@p(,Ct to otli,ei,: d ivliieli -@vtll. Fliolys I (,O"-Imol, foi-in o@ll spoole-.,@ 1-iai,iiig t -i,ible a bol)bii:i )l, si)Ool 'I"," S(- ) 7- I SiDi (11(, I,,,, tncl ei II, lelcln t ivhorl ecl the exe tion -,f 'Ii(, 20 ii,,i,x,in@,y @t yqtii, 21. -fasl to the 1- ibiila;r S, to b,-coni(@ a' i'l e 1ei-i 'I a @ze )@l t-@er)@c!s @lh sties e same pui, -@i) the sti-ess is rel,eAe(l. "o to SI! @.@,top ol@@ 1 C'St -h p ol, @whi li' .p pc;s", IS e 9 0 -Lin(,-Ier ,t relati coilft"lllt I c,,@41sc,,q iice 't-o siieh 1,)e ()@f Ii-iy t,:@ii-id I i,,,, N'i II o, f oiexipp,,i,ge. w .1111ple, W,)o@icti '.le, ds '@)5 @ai-moi,ocl, ith br-,tss Th(, -,o n r- slie,@itlis sl)iiii, iii@o tlie,@ beqds. 'lient trtclojo.1- P-,'o- T@i. eitheitile 001 (or a spinn-iii(,, I)osR.., ,t cr@lse, Sp 2@") -N@ided @vitli ()i- - I)OI)Ioiii @t spi,ii-Ii.e, -@ATIliel- I iiity b6, te,(l 'Inc, to tllc, ctesil-e(- l @v;tli tli(, -,,)t,esen'L d(,i-ices iiith elll('zl@("C' oi,' I)C'i III ([@er,-itioii ,is, Nvill b(, ,tpparle 's to @,tiicl ai isas) I u spin(ile -111(i. tlie, el,@@, l@o (I to I)c ie p-Lirpose a(l,-!pl@(@d 'co t6 (!@tils e cot-,pled to ti .'io dlc, (oi- 'L-o -hc, bol)liii oi, S,)oot) ]@ric- spincilc@ J@)Y t@6,t-weeTi tl)e flan.g6 95 t i o l i p @ l l y - @ L o i , . @ ) O T ] [ i i ( @ I - ) o b b l i i @ , i i i d , . @ p 6 o l l l ' i i i @ e l i 6 - i i e @ @ c , @ i C [ o l ' @ t r b t i L L s i i i ( I I - , h e (or tlil, sp,iiidl(@). 'Tlii,@@ dev;", ci;")Il,tit,@ii@)@ of 'he o-- bobb' , I III L i C111 '-I of the 'Inventio,,-L iig(,d w@th oi- Y,,@ "h",(!.@ipte,-! to i S-, y is to eithei-@ tli(@ bobbi oi@, 1. on the olie oli.t@ tll(, felu oi"@ the i-i (I n sp(o 35 adapted -L'Oj' it@o 'I'L- ),)Ilt e ot- to the on the o-L@ tlio, loo d i m e i i s i o n t l i e s l ) ] . n ( l . l e , o i @ - b c ) ! - I i , 6 n t l a ( , , o t h e i - " i l l ( ] l @ o @ t i o i l e c l a n ( I 6 f ' l i e l , s @ v t i i c l - L v j i l l @ b e t p p @ i i ! e i i ' L l @ b e i - t - t b n - i e i n b e r o f t t i ( I s e : i l ) i : i ' L ' L AN@, "S 011,7,1 1 Iii,@,h it C-'oe,, Certaiii pi-@eferre(I PCCOMP@irts to Y.,T not ,,Iclllei@e a T,- ' plishilnp@ L',ie, of m,, resi@,;ta nce, le eiiclc,,.it -Ln [he p 40 ill-Listritecl,ii-i t-li i.n iyli h:- stiiice iil)otq the force of eo e C mi)vess,,on to I Or) Fio, I iF@ ,,, F)i(-'te 1) ol.-en ivliicli it is guljec:tecl. aiv,@ "slio)viiag t si)indle an cl -, sl)ool T,-, y "he instiT)cez@, -@hoNiTyi, tlic, fi-ictioi (1@0- VI ce sticks ii-iore, T,,ietioi iii-i-tilv @o tl-i(, f!,,,iiiE,@e iiail vice@ b(,tweeii 1)@,n(-I,l spool si)ii-i(.Tlc. 'L@haii. tc, tt@e b,)bb'ii or iiil 45,-@,ing to tl.-ie inAreiitioii; I)ieferiblv coiaipi-@is(@-4 i. lfl,,,,t re' 110 F. is, ,t f oidi -Sl@ 9 o-L' vul par, Gilt-, so@l't ill@, in t( @'o p -it se,a] tliaii Fi,). l@, slio of otlic ib,@e i liei i 'Sts I LIle tt',o .tlie liai,ts, iA,Iieii tl,,@ @,,i')oo @l -11 'L, COII0 -T"io:. O' is a @@ieiv sil.Tilifir i 2 I,iit AVI@itli '-lie Tli'@ (I i,,k in tl-ie -t@@ ill til,@ po@3i@,@',,Il tIle)7 oc0 v i C! (-', CT @l coiitil-al b6j@,e, l) oi! the spiiit'ho, -,pooli," i@ , it! ilitv o@ SI)@l,c ecl oi)eiiin( ,s dle, , i@t AA, il pill 1,111 I e,@l's-,11.-@ spect to tl)@c, ceiitor of. e@,@c @li 55,@ tlal Toiti@,Li@e of tlio ,)ieseiit of' the,,3e ope-Tii,- icrs a iiiov,,,b',- e 12(l 5 is ,i pl-tn ITieAc 4 1)1 it 10 is ai-ran-@ (t (Fi,)- . 6')@. o i)'@ t s - a i.@ e o f le-,s tb,,in I.-I@e reSI)ecti-ve, -o -I r i i cl ,i @(,, thi T,- ii:i ' the Fio" @? is a c, )s's- E",ect;on @l, Opel i gF@ 3 i 'seile ()ii a li-i-ie sitcli ,is 0--C) (,,f boci-, i)Oi,-tion of @lie (.IiSlI)IT .@T 60 Fi@z. 4 - .,cs,,es ll.. Tlleso 6 f t h ( @ Fi(-@ '@,is iii ed(-,e. 0-f tL ('.(,vice, stiel-L s,,i i n e, iiiatei-i,,,,] tll(@ ID@@ FIAT Of il@le S p c, c@ 1-i i i-i t e (- r r a -,T iiiaitecl@ s he-wn In Fil. T e ,Iic,,r,- Nvith b ti relay ..,- nodi.fication. bi,idge iiie@-rib,@r 1-'-) oll@, stifficieiit Fi" 8 is ,t -,eetion.of the de-,,ic(l ii-i to r'-silieitee I-)Illgs to iiio@, 5 1 0 b i - @ i d g e s 1 2 Coilnect a spool spliiclle, S-Li-,h cl-ov@Tniva;i dllT bA, teiisile sti.-etch o--@

1,640,760 wi 'th rel,,itive easo into theii- i-espective opeiliiigs when stibjected to presstire. Iii the normal positioit, e,,icli p]Li,, pioje(@ts @l stibst,intial distance above the iippoi- stirfi(!e of 5 the disk, --o tliit a cliziiiibei- o)- I") is provicted beiieatli tl-ie plit(,-. 'i7hiis Avliet,@ (lie tippetsui-face 1,@ of the I)Itt-, is siil)je,(@ted to pressure the Dltig is fi-ec@ to iiit)vc, 1)()(Ittv down ao.-ainst @llie @ensioii of the bi,ido-e iiiciiilo ber 12. When thi,,3 inveia@L'iOn is to be iis(,(l iii ivinding lirge spools, - ,Is fo,.@ lieavy N@rooleii it i preferred to place, uiidet@l.@,iiie tlio ioN@-(@tsurface of the he'a(l 7 of tli,,, ,@I)oc)l, tlio iisiiil 15 friction washer 15 preferably -foi,iiie(I o!@ at4ively flexible m@itei-ial stieli a,, fclt. or the like, anct in the noi,iiial I)ositioii of 1),,ii-ts this waslier rests iipon thc, tip et- o@' p the disk 9 and contacts Nyitli the 20 of the projectioils 01- PILI('S 10. The piii,)-s underlying tlle felt i-vaslici.- I)i-oc'Lti(--e ,-e,@-,ioiis of compression 16 iii the felt wilill@tiet-, tli(, til,)per sui-faces of these re(@-ioiis beiii(,r oT frictional conttict relied tipoii C'o c)ppose ttti,ii25 ing of tlle spool. Tlie@@o oT pt-esl-@iti-c ,tre L@ inclicated by the dai-l@er @s'@ia(."n(- at tlie@@,e regions whicli as sliowli ill -ii-e ol' - I @ . a t ic@ diameter coi-i@espoiiclin(Y to I , e;fectine of the tips of tile coi-respoii(Iiii(@ I)IILI,','s iii contact witli the felt Nv,lleii Stil,)- ported and presstii,e on the feit anci at a iniiiimiini. These e(,,iois of l' -, Sion 16 of 'L-he felt ivasher t5 tliiis (Ieliiie @ii-eas of effective pressure contac.t betiveen the 35 Nvasliel- ,Lnd the loiyer f,,.ee oT tli(, liei(I @t- of the pool, the filictional elfoct ol-' ti-eas S Of pressui-e contact-bein(,,- @it ,t when the weight of the spool is le,,st. DLI"ing the ivindin,,, 6pei-atioii, a,, the ivei,,'Iit- of -oaviiic, yai-it "O th' spool is increased by tli(,, -i zn mass, the presstire upoii the plttc)-s 10 is (@ollstantly aLtgiiiented so t,har, the re,rloii,,; l(@ liicre,ise iii size an@t '-IIC PlLlgS I@l',IC[Lially iiiove downivard a,-ai--iis@u the tensi6n o' the brid(@-e 45 menibers 12 unt-11 the iipper stiri@aces of tlio, plugs may lie stibstaiitiallv fitish ivitli tlae tipper stil-faces Of @Lhe Dtii-iii,)- sucli inovement the i-egions 16 gi-adu@illN, iii area. aii(i tlie, pi-essures til)oii tlieiii at-e @)0 ugi-nenied so tliiif tl a icii- bi-@tliiiio- etl'ect, oii tl@e lower face of the spool co@-itini:t@illy inei-eases, the position of the pai-ts v,-Iien the spool is weighted bein(@, inclicated -in F-(,. 3. 55 It ",ill thi:ts be evi(lent tli@it as the nl,,tss on the spool ineieases 1-@i diaiii(@tei- aii(I tlip, !ever ai-ni Nvitli whicli 'Llie .ti-and icts itpon the spool to tui-,-i tlie, t2t-tei- the friction,il resistance to ivill likeivlse gra(lually increase. 60 The friction i@e(,-ulatlii(,, sho-",ii has tlio adclitional (te,,:Iii-,ible, @it-tictioti of servir@g as a ctishioii foi- tii(, lie,,i@-v @;pool, so tlilt even tllougli tll(@, OI)OIil',oi@[i,ops tlic, spool til)oii the spi.ii(fle iit) -Lo the spool or otlier pai-ts @vill bo occ,,ts:lolle@l, The itse of the felt 16 i,.z@ optional, a nd iii i-tiiii3- sititations is iiot i-e(@oiiiiyiended. ReTei-i-ino, 1(. aiii to Fi-s. I iiid 8, tn(t to the di@t(,,rim, Fi(,,. 10, the tipwai,dly pi,ojectiil!-,, t)lti(-s 10 yieldin(,-Iy stispeii@le@l oil tile 70 inte(r@,@l i-esilleilt biIcIL@es 12 ii-e ef'e(,tiA@(, ;Insti-iiiiieiits foi- tlie, I)iti-poses tboi -e o-xplaiiie,-[. Beino- fi-eely aiid li(ylitly - i-e,@il@eiit 1-@ t7l iii flie dii-ectiol-i of the txis of- tlie, spin.clle, tIleSO PIL14)'s yiel(I i-eadily to i-otighnesses -,iiicl 7r, I)i,o e(@t'oiis oi the face of tli(! ,,pool oibobbiii tn(I wlietlier oi- not t waslier such as 1.,-) is iiit(@i-posed, they )-iie the coniiection betw(,eii the ,@pindle tii(I bobbiii the property ol@ i-csilieiltly yiel(ling Cliroiio-ii i sliort relative tliliiiii(rmotion before sl'ppa(,e betA@,@eeii the spo@)l ot- bobl)in liead aiid the f,,@ictioii (le\,ice t,,il@es place. As sliown in Fio-. 10, n foi- exaiiiple, if we the licad 25 of tlie, spool -);"to be retit"A-ely sti@essed in tlie, (iii@ectioii of the aii-oi-,,, the piti(Ir 10 Avill iilon-e the lieid 2@,) to the left fi-ojii tiie, (lot-tO(l to tli(@ I'till-i-iiie positio.-i, a(,ainst the resilien'L i-t@,3isLtilce of tlic@ I)rld(,,-e 12, -Nvlilcli is stretclied iip@@-ai-d oii the iieir side iiid downward oii the fir side of everv 1)lii(v 10 til)pc,(] on-er by I n ttio, oi lic,,id 25. lvheii the plti-' c,-.,,n ilio@,e iio fiti-tliei-, the livad 25 will sill). bitt tl,,e 12 ti-c still eitective to l@eep tlic@ i)lti(,,s 10 @'Lii coiitict Avitli the sul-facc, oi@' 6),-) w'ietli(,i- tl-ti@., riiii,, ti@iie oi@ liot. I-lei,,A'y N@-(,i(,-Iits ai,e iiot es@,,eii'u.'Ial to this act-loii, tn ii-li@leli is coiipeteiitly efieetccl b.), tlic4 (I t'loi t(@i-i(-(,s @), '10 for SLICII i'elatively iiiasse.9 as eml)ty spiiiniilgbobbins aii(i siiiall 1 sl)oc)ls, stielt a.9 are tised -foiwiiidin". cottoii tli(@ kiiid of sl)ool or bobblii, tlio, 1,)Iti@)s 10 ii-e Iiiu'lily selisitli-e to iiicreases of @7' -Nvel@i"llt, aii(I the tens'oii i-eqtt,i-ed Lo @aiiio I -- slippa,)-e i,,tri(@s ivit'ii the thi-iist, aTi(I iiiei-eases abotit iii I)i@opoitioli to the ,,-i-owt'it of cliaiiieter of the v,,iiidin- when the r(,silien,-e of t'ile i-nitci-iztl ol' the tensioii cl"sk and tlic, size iiicl -(iiinbei- of 'L.Iie pltttvs 10 are propel-ly. I clioseii, ,is NN-111 be appai-eilt. Tiic, ('tisli:s 9 9;1 or 91, inay adlicre to ',-lie flan(,es of the spindle, piii )i- Ai-lioi-I on tliei, i-est b)T iiiel,c, stii-face I'l-@cti,)n; 01', ivn in Fi,,- 8) -it i -iav I sl,, o the ec@i -,ii liole b ii -,c i on tlle spill(Ile. If des' cc! c .Lisks 9 iiiay b @,, invei,'Led to i(Iliel-C, to tile bobb;i-L oi' sl)ool, allct liti@e tlic, piti(y,,@ 9 bcaio@i the @ilicliiined iii,,,tal flaiige, bilt tl,-I,@; is not i-ecoiiiiii(@n(led in v@low o'L@ the efl'(,(!f o-f tlit@ pltt(,s 9 ,Is fi-ict;zonal cont,,tctors Nvitit the -@-ei-y -%-,iiiible stirf;ices of bobl,)'ns aii(I spools. F;,, t iiiodiRe(I ai-i-angeiii(,,jit of teiitn sloii disc 9@, is slioi@-n is 1.)ro%,icle(l Nvitli ,i, -,)Itt)-aliti, of s(@rie,,,: of ttic i,es@$lien'Ll.)r stil)poi,tecl I)Itt,( . - s ii,di(@-,ite(I it 10@, and J'-O" iii tlie, w-,istiet, ii,,.iy be so siiialt as to eii-a(-e oiily tli(, iiiiier sei,ies of I)Itt(ys, or may be 5 105

@ily till),In the gII'llIg ',I P. i:l 1,,6-10,760 m,,tcl.e of a cli,-@:n-ieter t6 eolltltet With tl-ie pl.-Ligs, of both sei@ies ts clesired, thus gli,in(- a (rre,,tter ran(re of tension and pei@iii.ittino- the s-,Lme t, zn re,o,,-Lil.atin(- device to be Lisecl with sl:)Ools of iiidely. di.fferent sizes. i-Lii-@tl-ter modific,,i- t,]'.on is iT-idi.c-itc@d in ,,,hiel, tli:e i-e-_,-Lilatiii,(,, disl@ 9' is proi,ideOL A,@'I'Lh t pliii-,ilit3r of sei,ies o.'@ plu@@)s 10c, Joe aiicl 101 of )vhi(,Ii 'the plti(,s Of the ii-iier s i,ies 10@ a slom-ivli,,,t 1-iighei, e re , @ th,,iii those of the i-iiteriiiediat(@ sei@ies Joe, ANIiich in tLirn ,ii-c Iii(,he@i@ tlio,,,,e of the oti'L-e-,.- series@ -1,7@Tith this ciiiijit the ill fil@ et' ioi-t@il resi.q'tl.-.iiee to t-Li,,-iiiiig n-iay b@-- i,ery delicately vai,ied as,, the plii(@s of tll(, t-Nyo outeiseiies do ,-io'L- I)eco,.Iie until tllc Df the iiaiier series liave beeii pftrt,ly coinpressed. TI-iiis the fri,cluiolattl contact sui.-f aco, n-iay vary thrott-,h very lyi.de !in-iits, ,iii -Lee iirate -,td,jtistiiieii@' o-@, tll(l 1'Clt,,iiclin,,@ act@on. As ivill b(, T,,:oia,. i-iispect;oii of Fi(l,@. 6, the s-Lippoi@t the plii,(,s 10 b.)r iiieaii@ll of tl-le tlii,.i bi-icioe i-iie,inber 12 pei@inits gs 'Llo I)e @,e i@e-@sed mtieli p b6dy of tl,@e clise 9, tl,,iis i-(,,silic,,ic to the dei,-ice th,aii, woiilcl @be the c,,ise, wei-c tl,,est@ pl,Li,)-s formed is inei-e pi,ojeetions fi-ol-f.1 tb.e si-.Lr.L@'ace of the resili.eiit -'iV!iile siiell el,,tsticall s-Lil) oi@'tecl plti,)-s 01, pi.o;ectiolis y P LI are thus prefci-able To,,- I)i-ovidin(- gi,(,,@it dciieacy in - ,tetion, 'It :is I-,o be undei@stood projoetions otherayi.se stippoi-ted. mi,@@lit ftirnish soiiie ,it Icast of the -L(Til-ant@,t@;ep, of ,15 i@nd iL is coiiteiii@latecl the pi-esent device, P that ii-i its br6ader as ects the presoiit il-IA,entioii iiia3t be embo(liecl, in other aiiel equii,aLr6iii lent arraii(,ements4 in cletai thos- herein clisclosecl.. ti @io'ntion tt-)Ove of "bobb,@ns ,incl "spo(,Is," ii,ith I%Tliieh tlle device is indiJ@'ei!eiitly Liseflill is iiieaiit to 'k)e iiicltisiye of eitlier, aiicl j.ii Lll(, eliii-iis eitl-iei-V"Ord is to be iinderstoocl its -eiierically appl.),iii@,, to aii.y spo-eic,@,, Or,-,It Ivo-Lilld iiiass. -15 olL co--.-it,,ii'nei- oi,, siippoi,t VVh,it I