claim is: 1. A bottle closure having a cap member 3t to go over the top of a bottl@, ,in a clamping member rotatably mounted on the upper side of the cap member and slightly movable axially with-relation thereto, the clamping member boing provided with means for en40 gaoino, the beaded rim of a bottle, the proxiIn tn .mate surfaces of the clampino, member and the cap member being provided one with, cam surfaces and the other with projections which engage said cam surface@3, whereby the 45 rotation of'the clamping member causes the, said projections to Iride.up on the cam surf aces and tightly clamp ihe said cap to the top of the bottle. 2. A bottle closure haviing a cap member 3. A bottle closure liaving a cap member (io to go ovei- the tol) of the 1)t)ttle hlv.ing a flange(I rim an(I a flexit)le 1),t(I s(@ate(I thei-ein, tlio (@ap being I)i-ovi(le(i witli.an tll)w,-trdly exten(ling hiib on its tipp(@r stii-face, an(I a plurality of ctm surfac(@,s also arrin(yed on the 70 iipper siirface concentrically about said hiib, tnd a clampidg member consisting of a disk litving a centi-al hole throiigh hich said litib on the closiire member extends and in wliieli the said hub is i-ot,,ttable, the clamping 75 member htvidg'peripheral fingers which extend downwardly to enwa,,e the bead on the iipper end of the bottle, said clamping mem. ber having on its under side projections wliieh are adapted to engage with the cam 80 stirfaces of the closure member, whereby the, ctp member is clamped tightly agaiiist the top of the bottle. 4. A bottle closure baving a cap meniber to go over the top of the bottle having a, 8,5 flanged rim and a flexible pad seatedtherein, extending hub on its upper surface, and a pliirality of cam surfaces also arranged on the iipper.surface concentrically about said 90 hub, and a clampin- member consisting of a disk havin(r a central hole throuc,,h which said hub on the closure member extpnds and in wbich the said hub is rotatable, the clamping member having peripheral fingers - which 95 extend downwardly to engage. the bead. on the upper end of the bottle, said clamping member having on its under side projections which'are adapted to engage with the cam surfaces of the -,closure member whereby the 100 cap member is clamped tightl@ against the top of the bottle, the said fingers being bent inwardly in such manner as to serv6 as a, stop to prevent the cap from becoming disenlr@t-aed from the clamping member. 105 bottle closure comprisiiig a cushion cap member@:and a clamping member rotatably mounted on said cap member and having a slight axial movemeiit with relation thereto, said two members being provided,lio with interenoaging cams whereby when the clai@@ing m@mb.er is rotated with relation to The cap the, ca@ is tightly drawji against the 50 to go over the I;op of a bottle, and havin o," a - -top of the bottle and clamped thereto. lorm the cam stirfaces 17@, althougli tliis'the cap beino, provided with an upwardly 6. A.bottle closure comprising a cusbion 115 cap member, a clamping member rotatably mounted on said cap member and having a slight ax'ial movement with relation thereto, said two memb'ers being p@ovided with interengagin@ cam's whereby when the clamp120 ing member is rotated with relation to the cap the cap is tightly drawn aoainst the top of the.bottle and clamped thei;@to, and stops wbich I limit the rotary movement of the clamping member. 125 In testimony whereof I affix my signature. FRANCIS H. MILLS,

Patented- Sept. 5, 1922. 19428t@95 UNITED S TATES PATENT. OFFICE. FRANCIS H. MILLS, 0:9 ]BOSTON, MASSACHUSETTS. BOTTLE CLOSURE. Application filed November 10, 1021. Serial No. 614,409. To allu)ho?)@ it q@MY COI)b(,f(@m: Be it -knowr tllllt T, 14'ItANCIS 11. MII,T,SL ft eitizen of the Uiiite(i Staiks@ i-esi,dink at Bostoii, coitnty of stitrolk, @tate of Massa(!httsetts4, liave iiiveiite(i a certain new aiild iis(@ftil Iniprovenleiit iii liottle Closures, of wliicli the follow1iig is a specification, refer!@nce being liad tliereiii to the accoml)any@ :r di-a-",inus. @lie iny-ention relates to st6ppers or 10 closui-(,@s. for bottles itn(I similar c6ntainers aiid lias fbr its object tt closu.re whi@h can I)e i-eattily applie ' d to or removed from the bottle oi- otlier container. It'is especially i,r) inten(led for-.use witli a bottle in which tl;@ closure or stoppet, is to be i-el)eatodly reliilo%,e(I foi- the pui-I)ose of iaking out a part, (f the contents aii(i replaced io close tlle bottle again. Tli(@, si)eciti-obj6ct of the in20 venti.on is to'pi@ovide a stopp-@r of such character that it can be i-eadilv tightene(I up after it,is applied to th,@ b;tti"e and maiiitained in its tiglitened position tintil ready to be opened and then the closurle can, be 25 readily loosened in order t6 permit it to be 611sily removed' from the bottle. The invention will be fully understood from the following description when taken in connection with the accom@anying di-aw80 ings, and the novel features thereof will be pointe(I out and defined I"n the claims at,, tlle close of this specificatioti. In the drawings, Fig. 1 is a I)Ian view of a device - emboclying the inventioii as 85 al)l)lied to a bottle. Fig. 2. is w sectioii 6n l@ne 2--2 of Fio- I F' 3 is a sid(y elevation of the d@ev'ice', det 'Lted from the bottle. -Fig. 4 is a plan view of tlle clostire niem40' ber before being goniiected witli@ the claiiij). iD(y member. l@ig. 5 is a side @ele;,@ation of the metallic disk which is to be usecl with the - clisliion pad. Fig. 6 is a plan view of the disk sliown, i-n Fl 6 R,ef@rring now to the dra ings, at I is 'w shoiffn the upper portt'on of a bott e llaving a rim or bead 2 around the t6p of the necic 50 of well-Imown fotm of -construction. The device embodies,essen'tially two m.itin rnembers, namely, a stopper or cap member A and &'elamping idembdr'' B. The stol)l)er member A consists of a cap 3 havifi(y a 55 downwardly eitending, -peril@heral flan(re 4, thus forming E@ sort o a cup in whi@ii is seate(i a C61ni)]'Cssible ciisliion r), prefei-a4ky of i-itbber, 'inade in tlle form of 'it (lislc ttiid wliieli wlien tlle closurp, is ttl)plie(i t( a bottle,,as @liowli in Figkli,e 2 00 top of t i6 bottle. III tli e pi-eferi-ed forni of consti-actioll as 81,own in 14'igiii-e 2, tlic@t-t@ is provided a ilietilli(@ dislr C) illtl'o(iticed I)etween the inside, face (f tile cap and tlie,i-til)- - ber cushion, this (iigic 1)(lint@ fot,zlied witfi 65 9, downwardly exten(lijig nlig 7 in the niiddle, wliieh wfieh tlle closure is placect upoij the bottle and tiglitexie,(l lip, tis Ile,@.einaftL@,r described, causes a downwat-(Ily ex@endiiig bulge in the iulil)er ptid 1) wlii(.-,Il eiit(@r,, the 70 iieek of the bottle. Tlle cap i@ foriiie(I witli a,, ,,)will.(Ily (@,xteiiding cylindi-ic@Ll nul) or lllit) 1( (),II it,@ upper surface for pivotia witi, the clampiiig member l@ , as , will I)e I)-res- 75 ently desci-ibed. The clamping mer@ber B is forme(I pi-eferably with a diskshaped lieakl portion 11 liaviiig a central apei-tlit-e 12 tlii-oii( I li wbich 9 the litib 10 loosely.p@sses, so that tile clamp- go iiiemt)er iiity be rotated tliel-(@oji. The sail@ claml)in(, disk 11 is I)i,o i(le(i witil two v ciampin(@- fingers 13-13 (lianieti-i(@,ally oppo@ site 6aclie'othei, extendix)g fi-oii) tllt@ ol)po.,;ite sides of the pei-il)liej- f tl)c@ 9,ti(i 85 y ( said clam@pin@,' fixigei-s I)eiTigr (- ,tti.-ved otitwardly an -- trien toversely (!iiivi@(i fol-iiiiin(r the bowed lipg 14 wlii(,-Ii' exteiid inwai-dly somewhat fa@tlier than tlie, lowel- edge of tlle flange 4 of the c@p meniber. 'Tliese lips go 14 are iidapted to engage with'tlie annular (,ri,oove 15 loimed in tl I ie neelc of the bottl t e 'lind ei@@the to bead 2. 'I'lie wi(Itli of tile gi@ oove 16 fo the i-ever,,,(@l,y curve(I fing ers i's son (ri-eitei, than the wi(itil 96 of the, flang )at tlie, closijre iiieiiiber is eal)tible ()f a sl,iglit itxial movet-neiii@ i)iit cannot drol) oiit fi-oiii (@1)(r- I t(r(@m(@,ilt witli the clamping the iiiwtr(ily extendi-no, I)owe(i lips f I' oi-in a stol). zoo On the til)per fti(t(@ of the -ciosili,e niernber' there are foi-me(I a pliii-ality of iiiclined -face(t cam,,, 17, niim ber, ca(@li ii; 1)1,tll view and ari,an(.,ed in I wIli( @li. is 105 tric witli tile (@,loslll.(@ face of tlie,(Ii,,k It of tli.(,, clitin l)iii(r ber is foriii(i(I witil a 1;1111.alit Y or (lownwardly ext(in(ling l,tigs 18 (-,oi,i-(@sl)oll(iiilo. it, niiiiil)'ei@ witli tll(ll citili . , S(@ tiltt 110 wlien the clami)in(r ineniber is iotate(i witli relation t.o. tli@ etosure raember, the said

1,428,295 Itigs will ride iii) on tl)e, cum stirfaces and (lepi-ess the (-Iosiiie iiieiiil)er. Wlieii tlie, (lieN-i(@e is tl)l)lie(I to - the I)ottle, the clostii-e ineniber i-ests on tol) of tlie, neek an(I the eltrvil)iii@,- (ii-i(,Yei,s eii(raoed witli the gro(@ve 15 t-1, t-I I,, on the uiidei- side of the bead of tlie, I)ottle, wliile the dowiiwai-(Ily extending lug-s on the clampin- iiienibei- iti-e fiee from the (!am @tirfaces,7 and then by rotating tlle clamp5 io ino- membei- to cause the sai(I lugs to ri(le tip on the caiii siirfaces, the clostii,e inembei- will be di-awn (lown tiglitly onto tlle rim of the bottle and if 'it is tio-liteiied iip as fir as it will go it ivill liol(I tlle cap. i5 firmly against t-be top of the bottle. Preferably tliei-e are pi,ovided stops 19 at the top of the cams to Iiiiiit the ttirninu movement of the clamping member B. Prefei-ably tlle flanged closure disk is 20 stamped out of a piece, of metal in such ffnanner as to also stamp out tile. upwa-i-dly I)rojecting hub member 10, and also to pad therein to engage the top of the bottle,. d disk between said pad. and the cap having a 'protuberance whioh engages the middle of said pad. a clali@/ping member rotatably 5r)@ mounted on the up@er side of the cap member and slightly mov@ble axially with relation thereto, and means whereby the clamping rhember mby,'when rotated, move the cap member away therefrom to crowd it .60 down tightly against the rim of the bottle and thereby also crowd said protuberance on the disk aglinst the pad and cause the pad to bulge downward -into the, neck of the bottle. is not essential to the invention. Prefera26 bly also the lugs 18 on; the clttmping membei- are formed integral witli the clamping meinber. While I prefer to emp,loy the disl@ 6!with the projectino- btilge @, s@id disk may be 30 entirely omitted and my i-nvention broadlv covers the device wlietli@r used witli or without said intermediate metal disk 6. What I