US2137500A - Pen - Google Patents

Description

Nov. 22, 1938. B. M. MORRIS.

PEN

Filed Augfla, 1956 mw! .MAJ

- 1NVENTOR. I? kiyorrz/.s

- ATTORNEY.

.Bari

. 35 my invention, and will then p Patented Nov.' 22, 1938 :My invention'relatesto pens of that character mwhichfconstitutefpart of,a;pen desk setyand it is ra' continuation ,inf part .of .-my copending application; Serial #64',064; led'February'15,.-193,6.

- Pens .ofthis characteras heretofore proposed ihave-littleiink carrying ycapacity-and hence When in use require frequent dipping to maintainthe '..Yipennib supplied with' ink for Writing.V

1 :It isa-'purpose oimy. invention toprovide a pen lzhaving an 'ink reservoirV therein which, under the soleactionof capillaryattraction,Y can-be filled V:15.automaticallyby :extending the pen into. the Vdip gifcuptherebyz giving to the'pen sufficient .ink car- -sr'yingcapacity as to permitwriting foran exletendedperiod Without the necessity of. redipping --thefpenp-V A l 4 iff Itis'alsoa Apurpose oi'iny invention to provide .i apen` inkv'vhich the sink= reservoirfcon'stitutes part 'Tof' a nibsa'ndinkrfeeder carrier, and wherein-the 2.0 holder ofthe pen is provided with means=for receiving and: securely? holding the carrier therein .ifsofas t'o permit quick and easyrernoval thereof without .stainingwthe' ngers with ink, Whenathe -lnece'ssityf arises for Irepalirir'ig'fthe nib,Y or cleaning 251vl`the'par`tsof the carrier; *What is more important, however; :i'tpermits interchangingfas a` unit of the nibink -feeder,."and reservoir in that ne ad- Ljustedrelationship onefto'theother.v as to insure correct Yfeeding rof' ink to: and proper: Writingv of 30^th nib. VThus; ini-practise, the .elementsfoff'the 'carrierfc'an fb'eassembled; adjusted and' sold sepafrately 'from' vthe A-pen Vholdergarid, used in'fany holder designed to lremovably secure ftheV carrier; fi'I will describe' only one form` of'penfernbodyi-ng oint-out 'the' fnovel `ife'atiires'thereof ini'claim's. l'AIn'the" 'accompanying dravving: 'i

Jligf. 1 is a 'vievvfshowing in vside elevation and "partly in'section crieormof penembodying my -0 invention, with; theniocarrier thereof' clamped thintheholderf l' n jv, ja sectlonal' View taken` at rightfangles `,to Figi ljandshoving `certain parts voffthepen sassembled.'v 1 l Fig.y '3 is an enlarged transverse .sec :,takenfonthelinet3--3`otv1ig. 1. A

`.Fi-g. 4 is an venlargedfragmentary. sectionalview E:Shovvirlef-hose partsgof the `pen by wmchthe Vpen dvancedi-andretracted in the pen; bar- A.' tional view Y View onthe partly in section 55 showing in the ink reservoir of the pen, another 1 f'.pplicationugust..12,

2"" 1113)11.. w. lifmjorlapiglary elle.lfrientdiiferine -fom .from .ether-element shown ,infFieffZ-f- :i 1; f f5- f its'presntvembodiment my pen comprises a {fholderpreferably made/oi hard rubber and hav# ingabarrel l5 and'alsolidshank I6 provided With.:AV

psa;reduced-extension"I'lyitted rotatably in one `V end oi thelbarrelq"Thegtextension isforrnedv With asreducedneck ;I8 towhicha collar 20 is secured.

collar-.L9 aputs,the;shou1der between the fneck and-extension; and cemented or; otherwise .nxed. togthe barrel-4iso ,as .to turn with the latter and t0/ abut ythefcollar 20 This arrangement of collars withf-grespectjto fthe barrel., and shankr allows relative rotation of thejtwogandgyetfthey are [secured against. separation so that their .confrontingfendsremainy in -labutting relation, A :l

*fr As-showng'n Figs. ilaand 2,.the shank-lathe ex- .:tensiOnflJ and the neckl8 are axially boredand --fscrewfrithreaidedas indicatedvatjl toreceive the :screwfthreaded part.'2.2^.of; a metal stem-23, Thisv stern :at oneY endzzisv ixedY angularly to theV solid end ofrsa chuckg24=1adapted tolbe received Within the barrel I5. zt-fffllhusfwith -those parts of` the penassembled, as -1 describedzandillustratedgin Fig. 1;'rotation ofthe l 4`barrel-and shank relatively in one-'directionor the .other will -cause the-chuck to bef advanced Vor re- .ftracted .;in v'the barrel.: In, practice, thefbarrel is heldzinonef`hand Vand the shank-rotated with the hotlierttocausef.the:stem to be moved'lengthwise y .-5 inffthe barrel through'cooperation of'the threads hoist-hef s'hanki'andlstem, they` directioniof move- .'m'en't ofthe'rstem-depending. on the directionof --rotationoffthe 'shank'. .Were it notfor the collars i I9 Fand' 'gttlieishank when 'rotated onithe barrel .wouldaiteridstofseparatefrom theA barrel, but the collars prevent this as has'bee'n described. 1 fu-Thev chuck 24 isnformedpreferably of hard rubberandfma'de tubular toprovide a chamber 25 'openin'gfiinto the outer Tend-of the chuck. Its outer end` is exteriorly: tapered as indicated at 26;: and at-iiametrica'llyiopposed points the chuck `is''slottedeflerrgthvviseifas indicated at 21." Such a construction?allovvsthechuek at its open end to be coris'tricted','ard.'the".tapered exterior effects fsuchiconstrictionwhen =the chuck 1 is .moved Ito thel rtracted position shown in 1. Conversely, Y byadvanc'ingthe'chuck so as tomove the tapered -Apor'tion outer-engagement- Withthe barrel,r the chuck fend? expands to its normal' diameter.

- Amt isdesirable.to4 prevent rotation-'bf vthe

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