claim: 1. A ne,-Limatic hose coliplinu comprisincy p 50 ,i. female hose end havira a, reduc,-,d Deel-, for the attachment of a hose ,tnd ,tii enlarged coupling head forhied with a socket -' 'n its base f6r receiving t,he nipple of a male hose end, ,i gasket receiving recess bet-Av-len said 55 socket and an internal flange, a, gas].@et in said recess, a spring receiving cli,,,.mber between said -asl,:et flaiige and the moutli of the hi,,ad@ a @oiled sprino- iii siid chamber, a washer over s,,Lid spring @i couplin(,@, nut se60 c-Lired and locked in the iiiouth o@ said heacl, said nut haiing diametric,,tlly opposite -Linclercut luo-s and recesses betwee--q the lugs, -,t, male hose end adapted to en'Ller the fem,,tl(, hose end and 1-iaving a reduced neeli@ ior the 65 attachment of a hose -Lnd a nipple provicled Y,@ith lugs a'u- its base ac-lapted to be seated i--a the under-cut portions o-(L-'tl-ie ILigs oii- ti-ie ruL 'I-,i 'Lh-- head oT-- th-, 'Lem,- ,'ie hose end, said washer bearing directly -,gains"-, the ends of stid nipple lugs aiid said nipple being locked 7 0 in position by tl-ie elpansive force ol said spriiio-. 2. A pneumatic hose co7Lipling comprising 11 I female hose end h,,tv'ng a reduced neck for the attachment of a hose, and an en'arg6d 75 coupliiag liead formed a socii:et in its base for receiviiig the ni-pple of a mile hose end, a gaske' receiviiig recess of larger di,,iiiieter than the bore of said socket betiveen said socket and an internal I-lailge iii tl-ie hegd, so a gasket iii said recess, % spri.-Lig receivino, chamber between slid gasi@e'@, flail(YC ',Ind the iiiouth of the head, a coilect s])riiig iii said cliamber bearing oli saicl flange, a iv,,Lsher over the o-Liter end o-"I@ s@l id sl3riilg, t-lie mouth 85 of the head h,,tvin- an enlarged bore, 0, coupling nLi' seciired in s'aid bore and looked in position, said nlit bei,-10- formed -with Luider-etit inavtrdly projecting ILIC'S, a male hoso end havl'.iig t neck for the a@@-tachmeilt o'L ',I 90 hose and a iiipple aclapted 'LO enter tlie female hose eiid provided -witli lugs at i-ts base vd,-Lpted to be loel.-,ed in the underctit portions of the lucs oii tl-ie nlit in the he,,td o'L' 'Lh-, -I'erriale member, SIid washer bearing di- 95 rectly against sqid nipple lugs. 3. -@-V piielim,,ttic hose couplliig comprisiiig female bose end having a hollow reduced neck -for the ,itcachmelit of a hose and an en1,Lrged coupling 1-iead 'ormed with an inter- 100 ral receivi,.ig and gliidiiig socket in -Lts base larger in diqmeter thq-n the bore of the s,,iid reduced qecl@: for receivin,,@ th(,' tip o'L tl-ie n'lpple o-L' ,t male hose ei-id, an am-iuiar gasket receiiring recess o'@ lar@@er diameter ',-han the 105 bore of the said receiving socket loc-@ted ad'acent seid socket and between an outer shoiilder of said socket aiid ,tn internal flange ii-i the head, said flange beino, of substantially the sam@ bore as the diameter o-r ilo _Ile said socket, a rtibber gasl-,e'L do7Libled clrc,,imforentially iiito kJ sha]:)ed form Eiid arran-ed in said gasket recess -@iith the folcl to@iards the mouth of s,,).id head, a spring receivinu chaitiber bet-vveeii said gasket li6 fiai@ge annd the mouth of the he,@d, a. coiled spring sea4Led in said fl@irge in said chamber, a loose iiasi-ier over the o-Liter e-@-id of said spring, the molil@-h of the heaci lia-vinu in enI.aro-ed internally screw 'Llhrea-decl bore iorm120 ing a seat-in- shoulder at the outer ei-id of- tl-ie q spriiig receiving cha,mber, @ CO-Llpling nUt 'LIireaded into said edl,,trged bore and seated on said seating sl,,oulder, the 'L-op of said threads at the mouth ol 'Lbe he,-Ld being rolled 125 over the nlit to lock i-t in posit;io--,i, ,-ncl salul nut beii-ig formed ivitl-i ir.LiAardily projectiii,,c4 iindercut lu(Ys, ), in,-)le hose eiid adapted to enter 'emale hose e.-,.d Lind htviiig a, neck for the attachment oi" Ei, hose aiid a nipi)le 130

1,430,568 provided with lugs at its base, the nipple bein- received ancl guided in the socket in the base of tl-ie enlarged coupling head of the fem,,ile hose end and sealed by tlle, U o-aslcot, 5 and the lugs oyi the iii,,tle liose eiid. being adapted to be locli:ed by the, spriiig iii tl@a underelit liigs on the said nut at. the mouth of the said coupling head, the spring pressed -@vasher be,,trino, directly against th(3 lugs on said male 1-iose end. 10 In testimony whereo'l I haae sign.ed this specificatioii. FRANCIS A. J-IMERSON.

rl-', u l@ E D 'A@ P A T E N T 0 F F @ C E FRAI'TO@-tS A. OF ATI-IE.I\TS, ASSIG-ITOR TO i-L@TGERSOLLRAINTD COIFLPAI@IY, OF CITY, NEW @fERSE-F, A CORFORATION OF NE,@v JERSE-Z. 32!\T-,P@UMATIC-IIOSF. COTfPLIIqG. Applica'6io-.i filed To all qv7toi22, it i,2ay ooiceri),: Be it tl-iat i, FR,-@,Ncis a citizen 0-f- tlie Uiii@(@-0, @) i-esideii'b of Atl-ieiic,, couiit@,- of Br,,i,cL,Iord, S,a.e of 5 sylv,,tnir.,, liai7c, ,nv--nted -@.iid use-Lul lmp'rovemciats li'l :Pnouuia'@,ic-I-lose Co,,iplings, of -,-jhich tlic, is a '(,ion. This iiiveii'L-ioii rela@-,Qs to liose io coupliiigs ol the '@,Y,,De iii which ii3a],-. Pxld 4'emale hose ends, are -Ldq,p'@ed to be loelced tozuetlier by i.nseitinp-, the hoso eil(-l in @lhe 1'em,,tle hose enot, -.iid tl-ion turiting.on(., tively to tl-io o@bhor,so tlia'L. lugs oi, 1,);,.- ojections 15 on o-Lie elig,,ige lugs or projec'Lloiis oai tb.e other and the inembers b,,,coii,,e loci@ed by Me'-Ills of SPI-iII2. pressi,i@e. The primary. obje-.ts o@" tl-ic, present invention tre to seeLire a firr-q a-iicl dii-fibl-e locl@@ be20 t-weei-i the 1-,ilale oncl 'Leinp-le efreetti,,tily pr,@verit presslires at the eotipliil@,,@, locli@i i-i(- ,incl uiilocl,-ing te, be quickly @,,i,.d rea@tily aecoiiiplished, ane, produ,-3 9. stroiig coupling 25 ,vhich -,vill rolig'ii usftge -v,7itliout bi-eal@:age, aiid thiis Ltmo-,,ig other obviot:@s adv,,inta(yes, recltice the li,,ibili'L,y of To these encls ',-lie ii-iv,,,ntioii@@ is ill 0-.ie O-L' its prel@c-rrecl 'Loruis ill 0 iii -@vhieltFi,@r,u-,(, 1. i,@ i longi!L-ticli@i-ia.] t,loii tal@eii 1-tos,,(-! (,-oi.iI)li-lig, Fio,urc, 2, Is a la(@e o-L' t'lle 35 OT'@-lie Colipli,1'10- -,lilt i-,l tl'ie lt&,@d . o-'Ll' th(@, icmale hos@e eiid Fi(yure ) 3 is@ o, vertical sec'@-lion,@) I vienv of tl-io n-Lit, Fi-gLire 4: is a side view o-i' -'t-he coupling, d:O spl,lnc" Fio-ure 5 is ,Lr, eiid vie,,,7 of'the -yntlie hose encl take-,i 1'roi-ii the n-ipple encl, and Figure 6 is a clet'ail p.-rspective vionv ppr'@ly broken,,tway of ti-ie iiipple encl o:'r the male 45 1-iose end. L, rIef-erril,l(,. o the dra,,7in2-, the coupliiig compr-'Lses It-y@O p-,@inci")"Il aei--Qbers in the 'ios foriii o:', t fell-iale I e eid i@- and a iii,,,,Ie 1-iose end B. Ea-,h meinl,)-.i- is p,@o-@,i(l(.,cl c, 5o r@-ducecl nee:k C alicl D i-espectively for ti-i@- 9, IDPO. Serial No. attachmeni.- o:C- liose secti-On@@ i-Li the usual and the, -Tnale liose end i-, adapted to bp@ i-nserted aiid loci@ecl in tl-i-, T(,,male hos. encl. Thc- feiiiale hose end is provicl,-cl -with a-ii L-) 6 enlarged col:ipling 1-ieacl E 'ori-,iecl ivith L Iq Ti iiiterlial receivino@ a-ncl olui(ling soclie@@- F in i-ts base, eter tl-i,,tn the bore G larger i@ OLiaw@'@' of the i,odticed iieck C @ti-d this socl,,-et F is foi, the j)-L,,rpo,@e of receii,ijig tlio tip I-I o'L the 6@O nil@)ple f of' @@he riiile Tiose eiid B. The h-lad E is also -@vitli aii ai-inular gasket reIC of la-,ffell di,,i--nieter thaiittie bore oi' th(@ 1-- ,Ceivino@ socl,-et Fi@ located -,djllceii4@-, sai@l socke'L, and belweeii, the oliter (@5, sho-,il,',ei.- 1, o.'L' s,-,.id socket and an in?-"ernal flaii(,e 0 in 4@- lie lieid E, t@ie said fltnge 0 belp-,,,,- of sLibst,,intially the s,,ti-iie bore 9-s tl-ie cli,-,meter o'L the@ socket F, so, thtt the flan,(,re ,ilso s(-,v@,,es to giii,de the nippie J@ 7 0,1 P, prefei,ably Of I'ULbl)er is in '@llie i-e,-,ess X Ind iii th,"s instai)@ce tlic@ is doublecl eir cuinT'ere-TiIL-i@aII3, ii,to IJ sl-ii,i)ed -I-oi.,m ,iiid lo@eatecl in 'ulie recesr, !C @yilu-h tl-ye fold to-",,,Lrds tliie -Lnouth Q 7 -D ol':' the lie,-,d E. A gasket, so folded tends to expand itnclcr fliii.d 1)resstire -.nd forins i ti(,I-it @,elil th,,, hk-acl and tl-ie nippl:e. A spri-ii(, ch,,iiii ]Der R i@, foriiied in 0 aiid P@o@ til- filotilili I' 'tic-:-L(.] a-@id @i coil,-@[ iil)i@ino, S is ,@eate(I (@)fl the g,,@sl@-,t sprinu A- loos@, j.@ai iged oa-er tl)e (@ii cl of bl-io spriitg. The sl)riii(,r S ,Iioi@,ii as ,, c(ii:led sprilig may bc@ m,-@,do o'l -,iiy suit-@ble prefIrab'IY of bronze ",ire oii@d the eiids c6 tiid b of the S'l)Vi-tio@ sl@ioulcl pre-Cei,,@,bly be squ-,ired as i@qdicated in Fio-ure 4, ill Ollcte-r to iiioi-,- perfectly lie in tl-ie spi-iiao- i-ecess Pi b,-t F@ e(-@ii tiie 0 ard @-asber T. 'The lioso cotipliiic@, @vasi-ior T ina@, ilso be Tormed fro,-Ln s-Liitible inaterial, pre-l-f-erably oi,-' sleel in@ oi-der to A@,ith-tan@L ivear ai3.d qll fins ap-cl. Diirrs SI-iolllcl be rc,- Tiovecl 41@i-om the ivtslier -,iid the iv,,tslier 95 sl-ioulci be fl,.,,t anet iiot wirp-.d olit of shape. SLich detal'is z7Liicl iiieet"es o'L constr-Liction aid 0 c,'ont ancl t'giit cotiplii-ig in pr duciii@@ an effi iil-- Liiiclei- pressilre. Tli,@ i2-iotith Q of 'Llie heaci E is f6rined loo 0 ifi T L-, ar-

1,430,558 with an enlarged interiially screw tlireadecl bore U forming a seatino- @liotilclei, V ft the outer e-nd of the spring receii,ino_, chainber R, and a coupling nut W is threq-ded into said enlarged bore U -,ncl seated on the seating shoulder V. I\Ieans are provided for locking the couplino- nut AV in the mou'Llh of the head E and in t@is instaiiee thc, top X a of the thre ds at the mouth of the he, Ld are 10 rolled over the nut as ir-dicated in Fi(yure 1 to lock tl-ie nut in position. The said coupling nut AV is formed ivith inwardly projecting lugs Y having uncler-cut or recessed portions Z and spaces c between the lugs. 15 The m,,tle hose eiid B is adapted to enter the female hose end as sh6wn and is provided witli lockino- I.tio,s d at. the btse o-L' tl-ie nipple J adaptecl to be iiiserted in the spaces c in the coupling nut W, aiid as the male 20 hose end is forced into the f emale hose eid the lugs cl of the male eiid bear on the@ washer T and compress the sprin- S, until the lugs d m,,ty be t-Lirned or twist@-c! into engageiiient -,with the under-cut porlions Z of 25 the lugs Y on the coliplino- nuf AV in -whiel-i case the spring and wagl-ier locl,: and iiiaintain the lugs d in engagement -with the lugs on the coupling nut until it is desired to discoiinect the hose ends. 30 When the male and femtle 1-iose ends are assembled in locked position the barrel portion e of tl-ie male hose el-id B is ida.pted to bear against the opposed -i.iateriial f ces of the lugs Y on the coupling iiut W so that 35 the niale hose encl has a bearing in the hepcl E of the female hose end ag)ainst the walis of the receiving socket F at one end aiid against the internal faces / of the Iii(ys Y in the coupling nut W at the other end. There is 40 also a bearing forming a guide betiieei,, the, gasket flano-e 0 and the ni ple J of the mgle @n p hose end. By tl-iis coT-istrLiGtion the male hose end has three beti-ings in the head of the female hose end and in additioil is eff-ectli45 ally se,,iled by the foldect gasl@et and loel-,od in position by moans of tlie spring and washer. I