claim: 1. In a tire ch,,tiii, means for slacli:iii,,y t transverse member when applying tlle el-i,@in 60 to a tire, ai-icl i-neans for placing tension on said slacked member and ti,htening the chain tipon rot,,ttioii of the tire. 2. In a tire chain, means for slacli:incr a transverse member when applyina the 135 to a tire, means for placing tensicn on said slacli:ed mei-aber anditi htening the chain anc upoii rotation of the t re@ I a catel-i adapted to prevent a subseqLient slackin_a of said transverse member. 3. In a tire cliain, a eircumfereiitially ex- 70 tending member 'ior each side of a tire, a transverse member connected to one of saicl eircuinferential members and loosely conliected to a second circumfere--qtial meinber hereby the meinbe -ng 75 W r ma-y be slacked, a spri for placing tension on saidtransverse, member whereby the chai@l may be tightened upon xotation of the tire. 4. In a tire chain, a transiterse member loosely connected to o-ne of the circumfer- 80 ential members whereby the traiisverse member is ada.ptable to b.eing slacked in attachi the chain to a tire, and a catch for I)rp ng 'venting said tr,.insveilse member beidg slacl@ied tfuer the ebain has been attached 85 to the tire. 5. In a tire chain, ,t eircumferentially e.--@tending member for each side the ti-re, aiid a transverse ii-iember conneeted to one of: said cireiiiiiferential m.embers, and loosely 90 coiinected to the second eircumfer,-ntial meiiiber iii two places ind loosely connected again to the first circumferential member ivliereby the tran'sverse member is slackable. 6 Ina tire chain ferentiall.y - ex- 95 a eiretim@ tending nieniber for each side the tire, qnd a traiisierse member connected to or-e of sglcl eirctimferenti,,tl mi,-mbers, and lo6.sely, connectecl to the second circumferential member int)lTopl,,tees apd loosely connected aolaiii to 100 the first circumferential member whereby the transverse member is slacl@a;ble, ancl means for pla tension on said slacl@:,,tble member to ti , cing hten@ it dtiring rotation of the tire. 105 7. In a. tire chain, a eirc-Limf erentia;lly extending member for each sid6 the tire, tncl a transverse member conneetkl to one o-If said circumferential M'en-ibers, a-nd looselv connected to the seconcl eircumferent,,,,Il" -me,,n- 110 ber. in two places and loosely connected a ai to the first circumferential member wterl'leby the transverse member is slackab,e, tnd a cat(,h positioned to prevent the subsequent slacking of the member. 115 8. In a tire c ain ' means for a, transverse member -when applvii-.ig the cl@@in to a tire and a spring adapted to beir-ig coiinected -with saicl tran'sverse membel. and attached to the chain opposite said transv,,(_,r,.:e 120 member for tightening tl-ie el-iaill dliring rotation of t-lie 6re. 9. In a tire chain, a eirctimferential moinber for eaell side of the tire, @,nd a transverse. men-iber loosel37 cod.nected to one of the eir- 1115 cumferential niembers A-,@@liereby the len-tli of said Tnember interinediate tl-ie circumferential mei-nbers may be increased when attachitig the ch,,ti-@i to a tire. 10. In ,t tire cliL,,iin) ,t circuii-i,'_ereiitial i-iielli130

1,473,797 ber for each side of the tire, a plurality of spaced transverse members interconnectiig said circumferential members, and a traiisvel.,se member positioned at an end of the circumferential members and loosely connected to one of the, circumferential members, whereby the length of said transverse member intermediate the circumfereiitial members inay be increased in attacliing the cliain to a tire. Signed at Los Angeles, California, this 6th d,,ty of July 1922. LELAND B. SERVIS. HERMAN P. RANDALL. S Q SHANNON.

Patented Nov. 13,1923. 'Al 1;4s739797 UNITED STATES PATEP\T OFFICE. LELAND B. SERVIS,, HERBIAN P. RANDALL, AL\TD S Q SHA1\TlVOX, OF LOS ANGELES, CALIFORNIA; SAID RANDALL AND SAID SHANNON ASSIGNORS TO SAID SERVIS. .7,0 aZltoAonz it qnaq Be it kpo-wn that IIERI@.RAN P. RAN citi-zeias of the u TIRE CHAIN. Application filed July 18.1922. Serial No. 575,789. ./ concerii: LAND B. SER@,,is, d S Q SI-IANNONI es, i,esiding at Los 3 Angeles, in tl-ie colinty o Los Angeles and State of California, have, invented, ne-w and useful Impi-ovements in Tire Chains, of -whicl-i the follOwl-ilo', iS a specification. This inventiol'i relates to tire chailis of th-, 1( natlire eml)loyed in raiiiy or muddy -,weather to preveiit the tires of automobiles;, trucks or similar vehicles from skidding. Hitherto, in applying these chains or non-skid devices to a tire, it has been necessary either to jack 15 ii the car, free the -wheel or tire from the P gro-Lind, or it -h,,ts been necessary to run the membei@s or sections in common iise. The car on to the ch,,tin. Particularly, Linder tlie eiretimferential nienibers I tnd -9 are I)roconditi6iis of weather, etc., in which these vicled at their encls -with fasl-eners 4 for atcliaiiis are required, s-Lich operations are very taching the cli,,iiii to the tii,e. At the poiiit 70 20 disagreeable. o f the cliaiii ivhere it is joined to cether, An object of our invention is to provide a there -,re i)rovicled sl@l -k,,tble tr,,Lnsverse memchain ivhich may be attached to the tire bers 5 -wlaich are faster-ed at one encl 6 to -Nvithout any siich operatiop-s, and -which will the eirciiiiiferential member 2 and loosely be self adjusting and m,,iy be more easily connectecl by a suitable means such as a rii,-- 75 25 Iii-il@ed together ti-ian any si-ich chain or de- 7, to the secoiid eire-Liniferential nieinber 1, ATICehithert o employed. -,.t@,id furtlier loosely coiaiiectecl to a siiuilar An6ther object of our innention is to -pro- riii- 8 at a second sIDacecl I)osition on said vide a tire cha'.n -with sia'kable or cdjustable eircu,- nierential member I and tlierefroin tr@L,,is ve,,,Se i-np-i-,abers -which will f acilit.ate the loosely conpectecl throti,@@h a tl-iii-d i,ing 9 on 80 30 qttachin,- of the cliain il-o the tire, and a fur- the first circumfelential n-ien-iber 2. The th . object o-' o-Lir inveiition is t provide a slalckable transverse iiiembers 5 are I)ref-re 0 means whereby these slacked transverse ably provided at ti-ieir free ends i-vith rings members -Tr-,,tv be dr-,ivn or tightened up tnd 10. The tradsverse n-iembers 5 al-0 of sultthe chaiii. ti@l-itened or properlv ada,pted to ,ible to j,ermit a SI-,Ckelling of the 86 ,35 the tire' li'lembers tbrou,-@@li tbe. rin,-Is 7, 8 aiid 9 to A fLill,l-ier object of- otir i-TiveT-itiop, is to forn-i iT-i ol:)c-lllng sucli as qho7,,n in Fig. 2 pr . ov4c!e stich a cl--iic- vith a ef@,tch whiel-i a-nd i@,ill i:iei,i)-lit the chain to b-3 reqd-will prevent a. stibsequent slacl@,i7lg or loosen- il-v, attiched by the fastener 4 -N,-bi-le tl-ie tire i-Tig of I.-liese trai-isners'e memb6rs if the tight- is rest@.Dg on 'he @)-rouiicl. iid witl-.oiit the 90 a 40 e ssitN7 o' iii vi,-i@@ the tire. ell; removed. ii ce i- o ,n,,.y -Liieap-s are Ot'iier objects of otir invention will be There I's i)rovi(lecl some siii.tal)le mea,,is for n,iore re,,tclily iinOte,.-Stoocl from the followinu 1)laciiig tei-Lsion on the slacl@@abi-e tranSA7ersp, (lescriptioi-i and dra-wings sbowing a tire i@iembers Nvliereby thev. ivilli b-, f,i,(@litenecl ci@ain eribod-,Iing the 1:) iiaciples of our in,ind the chain ,iftached to the ti.re (lurin-- its 95 45 veiitio-,i. iotat'on. This meais ldreferabl@, consists of Figtire i 'Illi!Stra'Les the chain attaciied to sI)rings 11 ivl-i,'.ch iiiay be @ttaelied to the a 'tire in 'L'jie fiiial tightenecl position. rino's 10 a7icl conii---c'Lecl 'Lo the cliaiii it, tiie Fi e 01)',)oslte tl-.I(" (,.O ill@_r 2 ilIListl--,,ite,-, the slackable ti,aisitersc@ i)ositioii on i'lie tii n,, i (,@ c t' members I'n 'cl@i6 positioli ,)Yopei- foi- aL@LtchI)oiiit7. The iitenibei@-s 5 iiiay I)e I)rovicled if 100 50 iiao, the ch,,tiii to the tire. t'tesrecl, iv'tli c@itch s 12 foi- 1)@,eventiiio, a T4'lg. 3 illustrate@@ these slackable iienibers sit'@),@eqtieiit releape oi- sliclceiiin@@, o-f' tlie, a in the positioia vfhich they -will ocCUpy fter the final ti(yhtenin,- oTi to' 4.-he tire. F, ig. 4 illtistrates one of the slackable iiiembe-rs, after the reiiioval ol tl-ie teiision sprilig, r)5 hold in I)ositioi-i by the cateli. Fig. 5 is an e-nlaro-ecl vieiv ol-" the catch eniployed on this chain. The chain niay cojisist of two eirctimferential el-iains or meiiibers I ai-id 2 adapted to 00 fit aroiincl each sicle of the ti-re. Tl-iey are provid ed with a plurality of transverse niemb ers 3 connectino- the t-wo circumfei,enti,,il ch,,tins. These tr,@l-isverse iiiembers 3 iiiay coiisist of simple inter-coi-inectin(,y links as 65 sl-io",n or of an of the v,,triety y of transverse

1,473,797 These c-,ttches iii-.tv be of any coiisltruction ia,hich iiill 1),@iss throti,-h the rings 9 in one dire,ction but ivhicli treadal)table to engage the rin-s in the reA,e,-@s(- direction. As shoxvn in Fig. 5 this cateli m,,ty be composed of two CO MI)IeMe_ntal-IT I)arts i3 alqd 14- helct in ,-)ositioii by a spring 15. In attachiliu the cliain to @he tire the chain is I)Iaced around the tii-e Avith the coiiiiecting 10 ends at the bottom of the tir-,. B y loosenill(T the slacli: of the transverse members 5 the circumferential meml)ers 1 and 2 may be conneclu-ed by their fasteners 4. The sl)rino;s 11 are then attached to tlie rings 10 oi' the 15 slacked traiisvers-- members 5 and stretched to ell,-age the chain at a. I)oint ol)l)osite the tire as sho-wn in Fig. 1. Tiie ,tttachiiio-- of the chain to the tii@e is then coi-iipleted. U-oon rotation of the tire the sprin(ys v.,,ill dr, iv the 20 slack from the members 5 aiid the chtin -will be held in a ti,- Iitenecl I)osition as shoain in Fig. 1. The catches 12 iiill liave 1),qssed throtigh the rin,-:s 9 and will be iii I)osition so th,,tt on the remov,-,] of the sl)cill--s 11, either '-5 bv accident oi, otliei-iiise, the illeinl)ci-@9 5 @vill be I)ieireiite(I fron-i slaclciii(.,, ,,iid the, cli,-,iii will be lield oii the tir(@. Wliile ill tetiiil operation we li,,i;ve foiind it imi,)ossible to throw off- the sl)i-in,@-s 11 by the ol)eration o,f 30 the A ehicle., tllis catch 12 i-iia)T be ell'i I)JOye cl as a safetv device. AlThile -",e have shoia,n the trails@7erse iiiembers 5 connected tliro-Ligli the tliree riiigs '@, 8 aiid 9, wherein tlie), )iill tr,,tverse the tire 35 t-wice, it can be reaail-v seen that by talciiig the free ends from flie rino-s 'i slackable tr,,tnsverse members are pi-<)iided, or the members mi-ht pass thi-oiicli fiirtlier'i,iiigs and traverse the tire three 6r moi -o time-q 40 permittin-a furthel- slaelcenin@_r of the chaiii. The pref@rable arraiigement@@f these traiisverse members 5 is, 1-ioweller, that as shoivn in the driwings ai-id ali@eady described. We find it preferable in -Lising the clitin 45 to htve the fastener 4, -",hich is ,ittached to the member 2, perinanently closecl, it b-.ino, sufficient in the attachment of the clillin that only the rear fastener 4 should be oi)c@n. ae Inf t,theeircumferentialmember2mi(yht ri, 0 be one continuous chain. tn It is undei-stood that -while the hereiii describecl chain is well suited for the purposes of our invention, our iiiventiot-i is not lin-iited to the particullir embodip-ient slio",n but 55 is of tl-ie scop-, set fort-h in the fo',I,owing claims. We