claim: 1. lia an electi@ic lighting device, the coni-, biiiation of a, casing havino, 9 iiietallic head, 110 an al)ertured reflector therein and iiisulat6d tlierefrom, focusing means comprising a spring-pressed lainp-liolder iiiovable through the aperture in the refleetor and guided tliereby, a battery iiiounted for n-iovenient in 115 the casing, said holder being arranged to follow the niovement of the battery and (ruide the latter and n-ieans for varying the LI 3 p@sition of the battery to adjust the bolder witli i-espect to the reflector. 12u 2..In a flasliliolit, a battery, a holder carrying an incandescent lamp, reflective means operatively disposed with respect to said laiiip, resilient raeans tendipg to retain the liolder in retracted position in!electrical con- 125 tact with the carbon pole of the battery, an(i an inflexible member adapted to engage the bottoin of said batte,ry to elevate the battery and holder. , 3. In a flashlight, a battery, a centrally

apertured reflector, a holder carrying an in ea,-ndescent lamp and slidable in the aper@ ture@ resilieiit ineans tending to retain the holder in i@etracted position in electrical cono tact witli t , lie carboii pole of the battery, and aii en(I cap liaving aiion-resilient surface ,idapte(I to elevate the I)attery and holdei@. 4. Iii a electric liglitiiio, device, the coni- I)iiiation of a (@asing, an ,tpertured reflector 10 liaving a tubiilar porti6n, focusing means C(iiil)t-isin(y t lainp liolder inovable longittidin@tllv with i@espect to tlle casidg, a lamp iii said lioldei- aiid pi-oti-udiiig thr-ouoii. the apei-titre ol@ tl)e reflector, a spririg pressing 15 siid liolder away froii) the reflectoi-, nieans in Sai(I tLIT)tilai, portion for Iiiiiiting the irioveiiieiit of the liolder a battei,y positioiied iii siid easiji(r beneatli the holdei@, and iiieajis adjaceiit the lower end of the 20 casin(, foi- var t, 17iii(, the position of tlte battei-y to a(Ijii-L the holder witli i-espect to tlie, i-eflectoi,. 5. ]II I eleqti-ic liolitin(, device, the coint- t, binatioii of -a cii ng liaviiig a iiietallic li(,ad, si 11 apel' Lli,e' oto 25 a t d,,I,efle r, tlierein ,ind iiisiilated @stid i@eflector---,IlaA,ing .i tiiljular I)ortioD, foclisilig ifieans coml)i-ising a liiiip liolclei, bo(lily ifiovable iii said tLibul,,tipoi-t'oi-i loii(ritiidii).tlly initli respect, to @th(,, cas30 :t lanil) iii sai(I liolder and protrudid@y, tlii,ougli tllc aperture of the reflectoi-, @'t spi-iiig pi,essill(T said holder away froiyi the re litearis in said tubular portioii for III the iii(.)veinent of the holder, a bat35 tel- itlojied iii said casin(y beneath the n liol c , an(I a bottoli-i cap on the casing siippoi iii@, tli(@ bittei-y aiid tidapted to be i-ota to vary the positi<)ii of the saiiie. an @lectric li(rhtiiig device, the com40 biiiation of a casin-, n an apertured refl-ector, fectisiii<), iiieaiis coiyipi-ising a lamp liolder bodily iiiovable loi)(rittidinally witli respect 'to s,,ti(I casiiig, a lanip iii said liolder proti-iidincy througli the aperture of the reT 45 flector, t spriiig pi-essing said liolder a-way froii-i siid reflector, iiieans for lin-litiiig the Illoveii-iont of said liolder, a battery positioiied in said casin!_, bel-iin(i said holder, and a' bottoiii cap on the casino, supporting the t, 1)0 I)at.tery and adapted to be rotated to vary tlie, position of the s,,tiiie, gaid bottoii-i cap liaving a @i(rid projection tliereon in contact with th@ base of the batter .Yi. A fl,,ishlight focusing device 7 comprisiiiy a hol.der cai-i-yin- an incandescent laii-i p and liaviiig -,t flan,e, a reflector @oinprising a tlibular portion having a slioulder therein adal)tecl@ to abiit against the flange, -a Spl'iDg iioi@iiialll, liolding the flanlre upori 6(. the sboitlcler, a@d means for adjuaing the lamp liolder. 8. A protective device fo'r the, indande8cent lanips of portable electric lights, .@om. prising a -lainp-ca@ryin- holder h@@@,& a 05 flange, a i-eflector havini 'a@ tubw rtion,,' 3 uiciinol said holder and providing a shouler a.d-apted to,al)ut agaiiist the ffange, and a sprin,(,r normally holding the flange Against tlle sliouldei- and adapted to yield under impacts dii-ected agiiiist the holder. 70 9. In @incandeseent lamp of the portable, batte'r@ opqrated type, an apertured ieflector, a lainp-carrying holder n-iovable tliroti (rh tli(-, aperture@ and a protective device coiiiprisiii(r aii insulated conducting 75 iiiein bei- coiinecting a terminal of the lamp and a teriiiinal of the battery, a coil spririg 'stii @i-ouiidiiio- said holder a casing surrounding said sp-riii,,, and means ivl)ereby said liold er, casing and conductin,r member are 80 secu i-e(i to(,etlier. 10. A ]"(CllsiD(Y aiid shock absorbing device foi, incandescent lai-fips, comprising, in coi)i biiiatioii witli a reflector having,a tudun lai, extensiod, a cisiii(, adapted to telescope 85 til)on sti(I (@xtension, a lanip-cai@ryiiig liolder se(,tii-e(I to tli(, casin(,, and spring iiieaiis in the adapted to perinit the - telescop9 iii,, iiio@,eiii(@nt of the casing to secui-e focal LI go a(Ijiis-tiiieilt oi-, yicldiii- iinder iiilpact. 11. i@ I)oi-table electric liglit coii-ipi-isinc, tli(@ coiiil)liiitioii of aii iiicandeseeiit 1,,tiiip iiieiiibei,; a battery adapted to be connected iii cit-citit tliei-ewitli; a reflector illenil)er a@- sociatecl. Ni@itli stid laiiip iiieiiiber; a liolder 1)5 foi.- said 1,,tiyip mciiiber; and iiieaiis - operativ,3 to adjtist said,iiieiiibers relatively to oiie anotliet, coiiipt-ising. ri,,Yid means ior moving said battery and oiie of said members in one dii-ectioii is a unit, and a spring coi-npressi- 100 ble during sucli movenleilt and - expansible to iiiove such unit in the reverse direction. 12. A portable electric light comprising the cojiibinat-lon of an incandescent lamp iiieiiiber; a battery adapted to be - coilnected 105 iii eireiiit tberewitli; a reflect@br mei-nber associ,,tted ivith said lairip iiielnber; a holder foi, said laiiip member; a casing carryinst said lamp, battei-y, i-eflector aiid holder iri axial alinement and comprising a cap car- 110 ryin- i-i-id n-ieans @Dgagino, the base of the batterv ,tnd operative to move said battery and (@ne of said niembers in one direction as a unit; an4 iiieaiis o erativ@ to move such p unit in the reverse direction and adapted to 115 cusliioii the niovement of said battery away from said rigid means. 18. A portable self-contained focusing electric liglit @omprising the combination of an incandescent la'iiip member; a batte - 120 ry a reflector merriber havin,L, an aperture tlirougli wliieh said lamp pr@ojects; a holder fo'r said lamp carryiing contact means @ eleetrically 6onnecting said Ian-ip and battery, a case Carryirig said lamp, battery, reflector 125 and holder iii axial alinement, said case haviDg-. a metallic head enclosing and insulated from' said reflector; and meaiis operative to adjust said lamp and refl ect6r , rel@iively to vne anotlier comprising '-' i'd m6ans mova- 130

ble relatively to said case for movirig one of s,,ild members in one direction to adjust the latter -relatively to the other of said ine.mbers, and a coil sprin,r compi-essible dtirin,,siieli niovement and expansible to iiiove sucli adjusted meiiaber in - the reverse direction, stid spi-idg being also operative to iiiaiiitaiii the electrical connection between said laiiij) aiid battery dui@ing all foctising adjtistinents 10 and to protect the laiiip froii-i blows directed tonvard its base. 14. A portable electi-ic li(ylit con-iprisijithe combination of a refle@tor li,,LNing aii apertui-e; a batter3, behind the reflectoi-; an I ineandeseelit laiiij) pi-ojecting througli stid apei-ture and,adapted, to be connected iii eircuit Avitli said battery; a liolder for said lamp; a case ca,i,ryin(, said l@eflector, battery, s laiiip, -,ind holder iii axiil alinement, aid 20 case liaviiig a metallic liead enclosln,(,, and insiilated'froiii said -reflector, mealis includ-ing a device i-otatable oil stid case and. op'erative, wheii rotated in a (Tii,en dii,ection to e:ffect relative axial adjtistiiient of said 25 refleetor and said lamp;.aiid a helical. spi,iiioL5 expansible, when stid device is rotated in the reiers(@ direction, to eft'ect rel,,ttive axial adjustiiient of sai(I reflector and said laiip. 15. In a battery hand lainip, the coiiibiD,.t30 tion witli a case, of a reflector tliereiii coiiipi,isin(j- t tubular poi-tion liaving a slioulder thereid, a lan@p ho.1der in said tubular pprtion having a flange bearing against said shoulder, a laipp in said holder, contact meaiis n-iounted on said. holder, and mean!9 35 lioldiiig said flange agaiiist said slioiilder. 16. focusing assenibly for battery haild laiiips coiiiprising a reflecior liaving an aperture; a lamp liolder bodily movable a Iiiii.ited distance relatively to said reflector; 40 ttibular iiie@ans slidably s@ipporting and &uidiiig s.aid liolde'r'coaxially ivitli said aperttti-e; nieaiis cooperatinv -,vith said tubular iiieitis aiid laiiip liolder to forni a spril@g-receiving cliai-nbei-; a sprii-ig iii said cliamber teiiding 45 't o ' to iiicve said liolder toward one: li]Tli f its ii-ioN,eiiieiit; aiid contact , nieans on siid liolder en@)-ageable b3, tlic, -teri-niiials of a laiiip aiid by t battery tei-minal. 17. A foctising assembl ' coniprisin g a re- 50 y flector liavin(r an apertured neck and a slioulder @Nitliin said neck; a laiiip holder axially slidable in said neck and-lian,ilig ii:learis . adapte'd to cooperate with said slioulder to lintit the iiioi,en-ieiit of said holder in 55 one dii-ection; teriiiin,,il means cariied by said liolder; and a spi-iii@, beariii(y, a(-ainst zn @n t, gaid shoulder aiid operative to normally ur(re said means oii said lanip holder towai-d said slioulder. 60 Iii testiiriony whereof, I affix my signature. LEE J. VOORHEES.

Patented May 8, 1928. 11668,891 UNITED ST.ATES PATENT OFFICE., LEE J. VOORHEES, OF BINGHAMTON,.NEW YORK, ASSIrxNOR TO NATIONAL CARBON Co. INC., A CORPORATION OF NEW YORK. PORTABLE:ELECTRIC LIGHT. Application filed May 4,1921, Serial This iiivelitio.n relates to impi-oveinents in poi.-t@ible illtiliiiiiatiiicr device han,iiig ail in(@-,tiidesceiit laiiap ope,i,,tted by a battery ai-id SLI])poi-ted witliiii a reflector. Iii (@levices of this kiiid as tisually con(@sl)ecitlly those bf the tubular fli,,,Iiliglit t,@,,pe, the lamp is iigidly positioiied iii the i-eflector aiid its iniier teriiiiiial is iii dii-ect coiitact ivith the carbon electrode 10 of the top battery c@ell. This i-i(,idity results iii tin,-o iiiipoitant disadvantao-es. It is 'iiipossible to adjust the laiiip ivitli re@spect to the foctis of t,lic i-eflector aiid the shocks restiltiil,)- fi-oiii the iiiovenl(-,iits of the battery 15, ii-i the casiii-- are tr-,Ii-isiiiitted froiii the carboii electi-ode directly to the iniiei- lainp ter'Illiii-,tl. The battery is relatively lieavy and its stidclen iiioveinent iiiay break.the bull), fil-,tiiieiit or teriiiinal seal of the laiiip. 20 It is the principal object of iny inventioii to pi-oi,ide t inouiitiiig for iiicandeseeiit Itiliips wliicli will pern-iit focusiiig by a siiiiple iiiaiiipulitioii and serve also to absoi-b sliocks aiisiii(y froiii battei-y movements and 25 otlier causes.n In gene@al,'this object is attain(,d by mountiiig the stein of t-he lamp in a liolcler slidable througli a central aperture in the reflector and providino, it ri-id impact 1--e6eiviiig body in the holder and adjacent 30 resilient means. The resilient iiieans also periiiits adjustment of the lamp along the longitudinal axis 'of the flashlio-ht while constantly retaining the center termi-iial of the lamp in circuit with the center battery 35 electrode. Otlier objects'and advantages of the IDvention will be apparent from the appended detailed description of a preferred embodiinent, illusti,@tted in the accompanying , draw40 ing, in which Fio,ure I is a side elevation of a. flasliligilt 4@,inbociying niy invention, the casing being shown in vertical se6tion, and Fia. 2 is aii enlarged detail view of the re. 45 flector and adjacent parts, also shown in vet-tical section. In the drawiiigs, reference numeral-1 indicates a casina of non-conductive 'material and 2 a batt@e@"ry of drv cells. A parabolic 50 reflector 3 is retaine(f agaiiist the end of casing 1 by a cover glass 4, which is rigidly held in nietal head nieinbers 5 and 6. A 13Nviteli - 7 is operable to bridge a gap in contact sti-ips 8 and 9, respectively in electrical r) .5 connection with the zinc bottora of the No. 466,639, Renewed July 9, 1927 lo,west cell-and the reflector 3. The latter -is in coiidtictiv@- relation to tlle exterior teriniiial of the Ian-ip, but is pi@eferably ifisulated fi-olit or retained otit of contact with tlle liead iiicllit)6rs 5 aiid 6, as showii, so 60 as to pi-eveiit 'accidelital ,ilioi-i-eircuitiiig tlillouo-li bi-id(,iiig of the exposed metal prrts. The eleiiieiits iii @vliieli nly invention more pai-tictilai,ly i.-esides ai-c the parts disposed o5 iii casipg, 10, illusti-ated iii detail in Fig. 2. P-,ef(@rrin,y to that fl(rui-e, an incandescent t@ @n limp 11 is screwed iiito a tlii-eaded liolder 12 aii outwai-dly projecting annular fi,,tjige 1,) tt its u@per end. The reflector 3 7o is ceilti-aII37 @ipertui,ed a@d is provided with @i depeildiiig tubulir portion 14 in which the liol (let- 12 lias a slidin(- fit The tubular @ortioi i 14 is wi(leiied to forin an annular seat 15 foi- th(@ tlallge 13. The iinthreaded lower 75 po rtioii 16 of the tubular lainp holder .12 ext encis below the base of the lamp and has aii iiiturried bottom flange 17. A hollow cyl iddi-leal casino, 18 urroiinds tlie.tubular liol der 12 and has aii annular bottom recess 80 19 sliaped to receive the fl,,Inge 17. Casing 18 is adapted to telescope upon the widened po rtioii 20 of the i,eflectol- stem, but is nOriiial ly hel(I iii the i-etracted position illustiated, by means of a lielical spring 21 85 wh ich is i-inder coinpression between the bas e of ttie casing and the seat 15 on the refle ctor. Flan(ye 13 acts as a stop to limit do wnward iii@'veiiieiit of the h6lder 12. Coincideiit perforations are formed in g o fla nge 17 aiid the base of recess 19. A tubul ar i-ivet 22 of conductive material exten ds througli the perforation and is adapted to place the inner terminal of the lanip an d the carbon pole of the battery in elec- 95 tric al connection. Rivet 22 is spaced from the holder 12 and casing IS by rigid discs 23 an d 24, of insulating material, which abut res pectively upon the flange 17.and the wall of recess 19. The rivet ends are expanded loo or rolled outwardly in the usual manner to secui-e the discs and interinediate iiietal parts fii@nitly toyether. When the discs are seciired DLs des(7i@ibed, t@lie reflector, liolder, andcasin(,-are held iii proper adjustmelit 105 and inay be lia,tidled oiinsei'ted in tlle flaslilight as a uiiit. Aii ii)ctndeseent -laiiip moiinted as desci-ibe(,l is sectirely protected froni shocks due to nioveilients of the battery in the casing, or 110

f rom other blows direct toward its base. The energy of an impact received by the lower expanded rivet end is ii.ot transmitted tli-;,Ouc,,h the rivet body to the faiiip, ev'en 6 thougli its force is sufficient 'bo coiiipress spring @l completely. Assuinin- that the -,,pring is . so coiiipressed, the bottoin of the tubul,,tr portion 14 i-ests against the base of casing 10, aiid th@ top of the casing abuts 10 upon the reflector -,vhere.it flares outwardly froiii thle portioii 2O.. If there is residual energy after coliipressioii of the spring aiid movei-nent to the pos'tion described, it is capable of boiiig transiiiitted only to the disc 15 24, supportino, ineiuber 19 aiid adjacent parts uiicoi-ii-iected Nvith the fraiigible portioiis of the laiiip. @Vlictlier the spr)'iig lias reached the litnit of upward iiioveiiient or not, diie to the rigid inouiitiiig of disc 24, 20 the rivet will not be driven iiito coiitact with the lainp teri-iiinal. When the shock froiii the nioveiiient of the ba,ttery in the casiiig is ni)t sevei-el it will expend itself in the coritpi-essioii of the coil 25 spring. It is, theref ore, possible to secure some of the benoficial results of thp- invention rplying up6n this.feature of coiistruetion alone, omitting the rigid discs and rivet, and allowing the iniier teriiiiiial of the lainp 30 to comle iiito direct coiitact @vitli the carboii electrode' In the constructioii illustrated, ,t diffused liglit or a concentrated beam liaay be silnply obtaiiied, as desired, by adjustiiig the end 35 cap 25 to move the laiilp btilb iiito or away froin the focus of the reflector. Upward raotion of the cap 25 is transiiiltted to the battery ond through the carbon electrode to the structure car@ying the slidable lamp 49 holder 12, the batt'ery, holdei-, and lamp ovable as a uiiit and guided or axis. Since uiider coliipresglit sliown in 4rp Fig. l@ the outer end of rivet 22 constantly presses against the center contact of the battery, so that the upper eiid of the battery is guided by the larnp holder that slides along and is guided axially of tlie' 50 reflector stem 20. The coil sprina 21 is cojiipressed on Lipward iiiovci-nent of the liolder, and when the end cap is inoved dowiiivardly, permittinly the spriiig to expand, it causes the.holder to follow the descending battery, r)5 maintaining the electrical contiection betweeli the lainp aiid carboji electrode. The threaded ei-igagenient of tlle eiid cap with the,c,,tsi ng end holds the parts iii any ad'ustecl position. 00 With the foregoing constructioii, I can dispense ivitli the spiral spring usually einployed in the bottom cap to make coiitact with the zilic battei@y teri-riinal. Instead of a spring a rigid contact inaking projection 05 26, having a plaiie surface in contact witli the electrode, is provided on the bottom of the end cap. The spring'21, adjacent the lainp, is of such strength that in any adjusted positioii of the spi@iiig oi- ilielinatioii of the flaslili(,Iit it ivill liave sufficielit expansive 70 l'orce to liold the battery agaiiist the contact iiiakiiig projection 26. The spring may be iiiade as sti:oiig as desired, up to the point wliere it would be too difficilltly compi,essible to yield l@eadily under iinpact of the battery. 76 Th(@, contact Dbtaiiied in this way is eiitirely satisfactoi@y and I pi@efer n'ot to use the spii-al spriiio, in the bottoill cap, both for Fiillpficity of c4@nstructi6ii and because without it the battei-y lias less freedoiii o@ iliove- 80 iiieiit witliiii the casing. It is tlierefore less c@tpable of transn-iittiiig sliocks iiiiposed upon the flaslilight. This feature, aiding , the efficiciit buffer means provided adjacent the lamp, enables the fragile parts of the strue- 85 ti-iro to escape injury ivh6n subjectecl to treatnif,,nt -%vliieh would certainly be destructive to flasl-iliglits as ordinai-ily constructed. In addi@ion, focusing is aided by the oniissioil of tlle spring because a given longitudiiial 90 iiibvenleiit of the end cap results iii the same forward nioveiiient of the lamp bulb. When I enibody the iinprovenieiits above described in a flashlight having a nietal case, -1 prefei-ably prov;-de an insulatiiig collar 95 arouiid the reflector or space the f-eflector from the head. Otberwise the asseiiibly. is as illustrated. The -invention lias been described with particular reference to flasliliglits of tubular IOU foriii, but I am ,tware that in other types of portable electric devices it is desirable to pi-otect the laiiip froni sliock and to provide for the adjusti-iieiit of the focus. The priiiciples of iiiy invention are equally applicable 105 to such devices and they are within the scope of the appeiided claims. I