Title:
Pen
United States Patent 2137500


Abstract:
: My invention relates to pens of that character -which constitute; part of. apen desk set, and it is Ia continuation.in part of my copending application: Serial #64,064; filed February 15, 193.6. .5 : Pens of this character as heretofore proposed have little ink carrying capacity-and hence...



Inventors:
Morris, Bert M.
Application Number:
US9557236A
Publication Date:
11/22/1938
Filing Date:
08/12/1936
Assignee:
Morris, Bert M.
Primary Class:
International Classes:
B43K5/00
View Patent Images:



Description:

: My invention relates to pens of that character -which constitute; part of. apen desk set, and it is Ia continuation.in part of my copending application: Serial #64,064; filed February 15, 193.6.

.5 : Pens of this character as heretofore proposed have little ink carrying capacity-and hence when in use require frequent dipping to maintain the .pen nib supplied with ink for writing.

- It is-a purpose of my invention to provide a pen S10- having an ink reservoir therein which, under the -sole action of capillary attraction, can be filled :automatically by extending the pen into. the dip :cup thereby; giving to the pen sufficient ink carSrying-capacity as to permit writing for an ex15., tended period without the necessity of redipping the 'en SIt is also a purpose of my invention to provide Sapen- in which the ink: reservoir, constitutes part ,:of a nib-and ink feeder carrier, and wherein, the holder of the pen is provided with means for reSceiving and securely holding the. carrier therein S::so as' to permit quick and easy removal thereof -.without staining the fingers with ink, when, the -necessity arises for repairing the nib, or cleaning :the parts of the carrier. What is more important, however; it permits interchanging as a unit of the nib, ink feeder, and reservoir in that fine ad:justed relationship one to the other as to insure correct feeding of ink to and proper writing of the nib. Thus; in practise, the elements of the carrier can be assembled, adjusted and sold separately from the pen holder,- and used in any holder designed to removably secure the carrier.

: I will describe only one form of pen embodying my invention, and will then point out the inovel ifeaturestthereof iniclaims.

S-In the accompanying drawing: Fig. 1 is a view showing in side elevation: and partly in section one form of pen embodying my invention, with' the nib carrier thereof clamped ".within the holder.

SFig. :2 is a sectional view taken at right angles t6 Fig. 1 and showing certain parts of the pen 45disassembled.. S.Fig.3 is an enlarged transverse sectional view taken ori the line 3-3 of Fig. 1.

:- Fig. 4 is an enlarged-fragmentary sectional: view -showing those parts;of the pen by which the pen 50oChuck is, advanced and retracted in the pen bar- --rel. - * - .-'Fig. 5 is watransverse sectional view taken on the line 5-5 of Fig. 4.

-igIg: -6 is aifra~gi nhtary view partly in section showing in the ink reservoir of the pen, another form of capillary element differing in form from lthe element shown in-Fig. 2. . -,: .

:-In its 'present embodiment my pen comprises a -holder-preferably made of hard rubber and having a barrel 15 and a solid shank 16 provided with, a; reduced extension 17 fitted rotatably in one end of the barrel. The :extension is formed with a reducedneck 18, to which a collar 20 is secured.

'A.-collar 1.9 abuts the, shoulder between the neck .and. extension:and is cemented or otherwise fixed StoSthe barrel 15 so as to turn with the latter and to abut the collar 20. This arrangement of collars with- respect-:to the barrel and shank allows relative rotation of the two .and yet -they are sec::ured against separation so that their confronting ends remain in abutting' relation.

A As shown-in Figs. 1;and 2, the shank 16, the extensioný 1,7 and the neck 18 are axially bored and screw-,threaded as indicated at 21 to receive the screwe threaded part:22 of a metal stem 23. This "stem at one end'is fixed angularly to the solid end -ofra chuck 24 adapted to be received within the barrel 15.

:'Thus with those parts of the pen assembled, as described and illustrated in Fig. 1, rotation of the barrel and shank relatively in one direction or the other:will cause the chuck to be advanced or reAtracted in' the barrel. :In practice, the barrel is held:in one'hand and the shank rotated with the :,other:ito caiusethe:stem to be moved lengthwise in:the barrel through cooperation of the threads of. thet shank3 and stem, the direction of movemerit of the stem depending on the direction of rotatioh'of the shank. Were it not for the collars S19 ahid 20:;thei shank when rotated, on the barrel woulditerid-to' separate from the. barrel, but the collars prevent this as has-been described.

:'.The- chuck 24 is formed -preferably of hard rubber andmade tubular to provide a chamber 25 opening -into .the outer :end: of the chuck. Its outer end is exteriorly tapered as indicated at 26-; and at'diametrically opposed points the chuck is slotted: lengthwiseas indicated at 27. Such a construction allows the chuck at its open end to -be conrstricted, arid :the tapered exterior effects such constriction when the chuck:is moved to the .retracted position -shown in Fig. 1. Conversely, -by advancing the'chuck so as to move the tapered portion out of- engagement with the barrel, the chuck ehd, expands to its normal diameter. SAsit is desirable to prevent rotation of the chuck 24 as it ýis advanced or retracted within the barrel, I provide lugs or keys 28 positioned at Sthe mouth'6of the ba'rrel: to extend into the -slots 27 and thereby secure the barrel and chuck against relative rotation while permitting tho chuck to be moved longitudinally in the barrel.

My pen also includes what I term a nib carrier adapted to be received within the chamber 25 of the chuck. This carrier comprises an ink reservoir member 29 preferably made of hard rubber and constructed to provide a solid and rounded nose 30 at one end and a chamber 31 opening to the other end. The diameter of the :0 chamber 431 is 'such as to permit a feeder member 32 and a nib 33 to be extended -and held therein by friction. Movement of the reservoir member inwardly is limited by slightly increasing the outside diameter of the open end of the member to form a shoulder 34.

The feeder member 32 is of conventional form in that it is provided with transverse overflow channels 35 on either edge, and a longitudinal channel 36 on its rounded or nib side extending the length thereof to provide a passage leading into the reservoir chamber i. 'Within the dhamber 31 may be placed 'the -element W1 -shown 'in Fig. 2, or the niuilttude of :elements 38 shown in ig. -6, both of which possess that property 85 When in "the reservoir chamber of -producing a capillary action -to fill the 'reservoir with ink through the channel 36. The element 3 1is in the form of a helix and preferably made of hard rubber. The elements 8 are 'capillose -strands '30 'of hard rubber or suitable matefril, anhd because of their number and intimate :reltion one to the other they provide a multitude of capillary strands and tubes whidh -geatly accelerate filling of the reservoir with iik.

'35 In operation, the nib carrier can be clamped in the pen holder by 'rst kdtatig -the shantk 16 to advance tthe chudk uintil the tapered end 26 is clear of the barrel, When the aib cartier -an be extended into the chuck and the tatter retracted to cause constriction of the end 28 into firm clamping telation to the ~reservoir member 29. Thus the nib carrier isflxe Wthin he holder for filling and writing.

To fill the pen the feeder menmber with the nib 'is extended 'into a 'quantity of arik sudh as that contained in the dip cup a aninkstand or desk set. If allowed to remain therein a relatively short length of time, the capillary action of the channel. and the element .17 or elements 0 38 will cause the reservoir i'hamberS 1 tto be ffilled with ink. It is to be -understoodthat the elements 37 and 38 'are not necessary to filling of the reservoir but when -used they do accelerate filling, for it will be understood that the acapillary ac'55 tion of the channel '36 alone will be suficient to effect filling *of the reservoir 'but 'that the process will 'be slower.

The carrier as a unit can be removed Trom the holder by advancing the chuck through prop'6o er rotation of the shank-until the reservoir :mem;ber is released. Once the fcarier is removed its parts can be readily disassembled for cleaning :or repair, or an entirely new carrier may be sub:stituted in the holder. Thus my invention lends o55 itself to ready interchangeability of -carriers and pen holders, Land, -in -consequence, the ,separate sale of -carriers from the hoaders, -with the added :advantage of adapting a icarrier having -a particular form of -nib to a holder having a particular form of 'design ,as to shape and color, without disturbing the fine adjustments of the carrier parts necessary to easy writing.

I claim: 1. A ;pen comprising.; a holder 'having a barrel and a shank rotatable on one end of the barrel; a nib carrier having an ink reservoir; a chuck in the other end of the barrel receiving said carrier and having a constrictable part, said chuck being movable lengthwise in the barrel to occupy one position in which the barrel acts to constrict said part for clamping the nib carrier in the chuck and another position in which the nib carrier is released to allow its removal from -the chuck; and -an operative connection between the chuck and shank whereby the chuck'is moved to occupy one of said positions or the other accordingly as the shank and barrel are rotated relatively in one direction or the other.

2. A pen comprising; a holder having a barrel and -a shank rotatable on one end of the barrel; a nib carrier having an ink reservoir; a -chuck in the other end of the barrel receiving said carrier and having a constrictable part, said chuck being movable lengthwise in the barrel to occupy one positio n n which the ;barrel 'acts to constrict said part for 'clamping 'the -nib tcarrier in the chuck and another -positio n in which the nib carrier is released to allow its removal from the chuck; and coacting .means on -the $5 chuck and barrel for securing the chuck against rotation.

3. A pen comprising; a holder having a barrel and a shank rotatable on one *end of the barrel; a nib carrier having an irik reservor tea .chuck in  0 the other end of the 'barrel 'receiving :said car;rier and having a constrictable part, :said :chuck being movable lengthwise in the barre Ito occupy one position in which the barrel acts to constrict said part for clamping the ntb carrier In -the'j chuck and another position in which theantbsearrier is ;released -to allow its 'removal fram the chuck; ;and means within the barrel for securing the barrel and shank 'against separation at their confronting ends. 410 4. A -pen comprising.; a'hdlder haVing a sbarrel and a shank rotatable on one end nf -the barrel; a nib carrier having 'an ink reservoir; a tchfck In the -other end -of the barrel receiving 'said carrier and having ;a constrictable part, isaid chuck t being movable lengthwise in the barrel to nccupy one position .in which the -barrel acts to ,constrict :said -part for clamping the nib carrier in the r-huck .and another position an which :the ntb carrier is released -to allow its removal from o5 the chuck; -coacting means on 'the chuck and barrel for securing the 'chuck 'against -rotation; and means within-the barrel for securing the barrel and :shank against separation .at their 'confronting ends. 5. A pen comprising; -a holder -having a barrel and a shank rotatable-on 'one end of the barrel; 'a nib carrier having an ink reservoir, 'a chuck in ,the other end :of the barrel receiving :said -carxier and having a tapered and longitudinally fo slotted neck, said chuck being movable lengthwise in the barrel to occupy one position in which the barrel constricts the neck to clamp the -carrier within the chuck an ananother position :in which the barrel disengages the neck to allow'the %5 latter to expand and release 'the carrier; 'keys on the barrel extending Into 'the slots to prevent rotation -of the chuck in the 'barrel; and an operative connection between the chuck and shank whereby the chuck Is moved to lone of said0 positions or the other accordingly as the shank and barrel are rotated relatively in one fitrection or the other.

BERTM M. ORRIS.