US1545277A - Fountain pen - Google Patents

Description

July 7, 1925;

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A. POL LAK l II Z .1:

FOUNTAIN PEN Filed Sept. 15, 1923 m I R M Q l ww L Patented July 7, 1925,

v ITED STATES ABRAHAM POL AK, on NEWYYORK, 1:. 1,

PATENT 0mm,

assrenon ro SAMUEL KAnNnR'Qor' n nw FOUNTAIN PENJ' Application'filed September 13, 1923. Serial N0. 8G2,3-77.

.rangements of parts hereinafter described,

and particularly pointed out in the claims.

One object of the invention is the production of a fountain pen whose main barrel portions may be conveniently formed from sheet metal and readily assembled. A further object of the invention is to provide novel and efficient means for securing the operating or filling-lever in position without the use of rivets'or' the like, and a further purpose of the invention is to provide a novel leaf spring for engaging and collapsing the ink-holding bag and exerting uniform pressure against a considerable length of same and also novel meansfor holding said spring and applying the same to position.

The invention and satisfactory means for carrying the same into effect will be fully understood from the detailed description hereinafter presented, reference being had to the accompanying drawings, in which:

Fig. 1 is a central longitudinal-section through a. fountain-pen embodying my invention, the ink-bag being shown in ex panded condition and partly broken away;

Fig. 2 is a like View of the'saine, showing the bag as having been collapsed by the means provided for that purpose;

Fig. 3 is a longitudinal section, partly broken away, through the barrel portions of the pen and illustrates the inner barrel portion carrying the filling-spring as inserted part-way into the outer end of the outerbarrel portion and to aposition toreceive in depressed hearings or seats formed thereon,'the trunnionscarried by the operating or filling-lever and which trunnions are at that point inserted downwardly through a cross-slot formed in the outer barrel portion and engage said bearings or seats, preparatory to said trunnions on the further inward movementof said inner barrel mempartly within the outer barrlel or in her. being carried,.with said bearings, below solid portions of the outer barrel or to their final operative position shown inFigs. i1

and2;

Fig. 4 is a plan View of that portion of theouter barrel shown inFig. 3, this figure showing lthelongitudinal slot for accommodating the operatingor filling-lever and the cross-slot for permitting the trunnions on said lever. to be inserted downwardly to the bearings or seats provided for them .on the innerbarrelmember when said member is the po;- sition shown in Fig.3,

Fig. 5 is a plan view ofthat portionof the inner barrel-member shown in-Fig. 5,

with the spring connected therewith, this figure showing the two'depressed seats or bearings for the trunnions on the operating lever; I Fig. 6

is across-section, on a larger scale,

taken onthe dotted line 6 -6 of Fig. 8, show ing the trunnions on the operating lever as having been lowered to reach the hearings or seats on the inner barrel member when said member is in its.

. Fig. 7 is a crosssection, scale, taken on the dotted-line 7-7 of l ig.

2, the inner barrel'member then having been on an enlar ed partly inserted position illustrated in Fig.3;-

1 Fig. 9 is-a detached perspective View of the filling-spring, and

Fig. 10 is a cross-section through the cap portion of the pen taken 10 10of Fig. 1.

on the dotted line "In the drawings, 15 designatesthe main outer barrel of the pen, thisbarrel being preferably a sheet metal tube formed in one side of its-rear portion with alongitudinal slot 16and having within its forward end a suitable plug 17 to receive a' pen 18 and the forward end ofthe. usual ink-bag 19, which extends rearwardly through the barrel to the requisite distance, as shown, and is entirely closed exceptat its forward end. The

Within rear endofthe barrel 15 is f slot 16 is formed at a suitable location bei inserted an auxiliary barrel member -21 which is open at its forward end and closed at its outer or rear end by a head 22, into'a groove around which, the outer edges of the member 21 are flanged as'means for securing said head and member together. When the barrel member 21 is pushed home into the outer end of the barrel 15, or to the position shown in Figs. 1 and 2, an annular enlargement of the outer end of the head 22 brings up against the outer end of the barrel 15 as a stop to arrest the inward movement of the member 21, the annular edges of said enlargement then lying flush with the outer surface of the barrel 15.

The barrel member 21 has in its, upper side a long slot or opening 23, andconveniently near its forward or inner end said member 21* is formed at opposite sides of said slot with transverse depressions 2a which form bearings or seats for the trunnions25 extending transversely from opposite'sides of the operating lever 26. When the barrel member 21 is slid into the barrel.

1-5, the slot or opening 23 moves along below the slot 16 in said barrel 15-and the bearingrecesses 24 pass below the recesses or crossslot 20 and thence move forwardly below solid portions of the barrel 15 at opposite ides of the forward end of the slot 16, as

hereinafter eXplained, -and as is shown in Figs. 1, 2 and 7.

The presser bar, numbered 27, at the upper side' of the ink-bag 19, is an elongated bar so as to engage a very considerable length of the bag 19, as shown, and this bar is free at its outer or rear end and at its inner end is secured by a rivet to the leaf spring 28, which is 'above'and extends rearwardly beyond the bar 27, the rear end of the spring28 being curved downwardly and secured at its lower member 29 below and by means of a loop 30 slit and pressed up from the rear lower portion of the inner barrel member 21, as shown in Figs. 1, 2, 3 and 8. The loop 30, when pressed upwardly from the body of the barrel member 21, receives below it the member 29 of the spring 28, and then when the loop 30 is pressed downwardly against said endof the spring-the spring becomes securely clipped within the'b'ar-re-l member 21. The spring 28 is formed intermediate its ends with a longitudinal slot 31,'c'lea-rly shown in Fig. :9, and this. slot-31,]when the parts are assembled, lies partly below and partly in advance of the forward end of the slot-16 formed in the outer barrel 15, and said slot :31 'also lies below the forward end of the slet :28 in the-inner barrel member 21, as shown in Fig. 5; In thenormalconditionof the bar-27 and spring 28, the body of said I spring 28 is straight and the bar 27lies close iip againstthe lower surface of the same, as shown in Fig. 9; this conditionis illustrated in Fig. 1 wherein it'may be seenth'at the presence of the spring 28 and bar 27- does not interfere with the insertion of an ink bag 19 of considerable length within the outer barrel 15 and inner barrel member 21. The spring 28 is flexed to normally lie at the upper side of the inner barrel member 21, and remains in that position until turned downwardly by pressure exerted against the bar 27 by means of the operating lever 26 to depress said bar against the upper side of the bag 19, the action of said lever being primarily against the bar 27 and'said bar acting to draw the forward end of the spring 28 downwardly.

Thelever 26 is a small metallic oscillatory bar-lever having an outer exposed portion adapted to lie along the upper side of the barrel 15 andto be turnedupwardly therefromby the user of the pen, and said lever 26 has a lower portion 32 to engage the bar 27, as shown in Figs. 2 and 3, and is provided with transverse trunnions 25 adapted to the hearings or seats at formed on the inner barrel member 21, as hereinbefore explained. V r V The lower member 3201 the lever 26 when said lever is in its normal inoperative position shown in Fig. 1, lies withi-n'the slot 31 of the spring 28, and its length is then against the bar 27.- When the exposed portion of the lever 26 is turned upwardly from the barrel 15, the lower member 32thereof is turned downwardly against the bar 27 and depresses said bar against the ink-bag 1-9,-as shown in Fig. 2, for squeezing the air therefrom, so that when the lever 26 is restored to its form-er inoperative'position, a suction may be created within the bag which will draw in ink, according towell-known methods. The spring 28 carries-the bar 27,

said inner barrel member in that position having its hearings or seats 24 directly be-' low the recessesor .cross-slotQO in the barrel 15. When the parts are in this relation I introduce the lever 26 downwardly through the slot 16 of thebarrel 15and the slot 31' of the spring 28 and against the bar 27 and I cause the trunnions 25 to engage. the bearmgs .or seats-24 above referred to, and there'- upon and while holding-the lever in this position, which is shown in Fig.3, I push the inner barrel member 21 forwardly to its finalposition within the barrel 15, this action carrying the seats or bearings 24 and the trunnions 25 forwardly'from belowthe inc which is depressed by the lever 26 and lifted recesses'or crossslot20 to below the solid portions of the barrel 15 at the forward end of the slot 16, said trunnions 25then being pivotally held between'the bearings or seats Q4'fand the adjacent surface above them of the barrel 15," as 'shown in igs. 1,2 and 7 In thi'sf nanner of assembly it will be .seen

that the parts maybe very quickly brought.

togetherand the lever 26' secured in position without theuse of rivets or like means. After thelever 26 hasbeen properly secured, said lever Will be tu'rned downwardly against-the outer surface of the barrel 15 and into, a s-far as maybe, the slot 16 therein, as shown in Fig. 1. When the lever 26 isfturned downwardly against the barrel 15, the spring 28 will flex upwardlyand carry the presser bar 27 upwardly to theposition shown in Fig. '1, in which position 'the spring and barallow abundant space forthe inkb ag 19. I i v I he plug 17 has an inner threaded section 331and frornthis section 33 extends a nipple 34 which receives the forward end of the rubber bag 19, as shown in- Fig. 2. The forward end of the barrel 15 has a thread 35 formed thereon and this thread engages the threaded section of the plug 17, the barrel 15 thusbeing connected with the plug 17 by screw threads.

The forward portion of the pen structure is adapted to receive a protecting cap 36,

which is formed from a sheet metalltub'e and isopen atone end to slip upon the pen structure and closed at its outer end by a metal disk 37. Within the cap 36 isa hard rubber sleeve 38 which has a friction fit withinthe cap 36 and is open at both ends and near itsouter end is annularly recessed, as at 39, to stand clear of the inner walls of the cap 36. Adjacent to its inner end the sleeve38 is annularly recessed and threaded to receive the adjacent threaded endof a metalsleeve .40, which is inserted into the body of the cap 36 with the sleeve 38, the sleeve 40 preferablybeing screwed upon the sleeve 38 so that both sleeves may,v as a unitary structure, be. inserted into the body of the cap 36, wherein said parts are sta-' tionary. The outer end of the sleeve 40 is threaded, as at 41, and into this thread the thread 35 on the barrel 15 is; screwed when itis desired to secure the cap 36 in position over the pen point 18. The thread 35 on the barrel 15 thus serves to secure the plug 17 in place and also as means for engaging the thread 41 on the sleeve 40 and thereby securing the cap 36 detachably over the forward portion of the pen structure. When the forward end of the barrel 15 is screwed into the sleeve 40, the forward annular edge of the plug 17 abuts against the rubber sleeve 38, as shown in Fig. 1, and thereby a fluid-tight joint is formed between said plug and sleeve.

inner side. of the cap 36' and is held in place without riveting, or the, like. The outerend of the cap .36 is recessed inits-edge portion, as at 44, and this is for the purpose of admitting the sleeve 43 to the recess 39 around the sleeve 38 and to permit the tongueportion of the clip to extend laterally from the .cap36 andalong the side ofsaid cap. The outer endof the cap 36 is spun "over. upon the disk37, as shown in Fig. 1, and prior to the spinning. or flanging overof .the edges of the cap 36;uponfthe disk 37-.Iintroduce the sleeves .38, 40 and'the plate 43 of the clip 42 .into the cap Y36, and then'close the outer, endIofthecap by inserting the disk 37;.in position and spinningover the edge portions .of the end -of the cap upon said disk. the recess 44' in the end of'the cap permitting me'to followv this practice.= i e VVhatI claim as my invention anddesire to secure by LettersPatent, is

1. A fountain pencomprising anexterior barrel or casing-member'having at itsforward end a plug andpen and containinga collapsible bag for holding ink and in cornmunication with the chamber of said plug for feeding the pen, an elongated bar engaging the exterior upper side-of. said bag, an elongated spring to which the forward end of said bar is secured and which has a downward return bend at its rear end, an inner barrel member insertible intoisaid exteriorbarrel member from the rear end thereof and to which the end of said bend of the spring is secured, saidfinner barrel inernber carrying said spring and bar and said bend flexingithe body of. the spring up- 'wardlyto position said bar horizontally with relation to said bag, and a pivoted lever on the casing having an outerflmemberffor manual operation and aninner memberto be turned downwardly against said bar for depressing the same against said bag in opposition to the force of said spring, said inner barrel member having at its lower side an integral upwardly pressed loop to receive and serve as a clip for securing the end of said springbend and at its upper side a longitudinal slot through which the saidv lever operates.

2. A fountain pen comprising an exterior barrel or casing member having at its forward end a plug and pen and containing a collapsible bag for holding ink and in communication with the chamber of said plug for feeding the pen, an elongated bar engaging the exterior upper side of said bag, an elongated'spring to "which the forward end of said bar is securedand which has a downward return bend at its rearend, an inner barrel member insertible into said ext'erior barrel member and to which the end of said "bend of the spring is secured, said inner 'barrel member carrying said spring and bar and said bend flexing the body of the spring upwardly to position said bar horizontally with relation to said bag, and a pivoted lever having an outer member for manual operation and an inner'member to be turned downwardly against said bar for depressing the same against said bag in opposition to the force of said spring, said lever having laterally extending trunnions, and'said inner barrel member being longitudinally slotted and having bearings for said 'trunnions below solid portions of the v uter'barrel member, said outer barrel memher being longitudinally slotted 'to admit the said lever and cross slotted to permit said trunnions to be lowered to said bearings when the inner barrel member is arrested during its insertion into the outer barrel member with its'longitudinal slot below the a longitudinal slot of saidouter barrel member' and itsbearings below the cross-slot 0 said outer barrel member. V I

A fountain penofself-fillingtype containing an ink-bag and resser-bar therefor,'comprising anouter barrel member having a longitudinal slot and a cross-slot transverse of said longitudinal slot, an inner member "insertible endwise into said outer -'m'ember andhaving a longitudinal slot to below the longitudinal slot of said outer 1 member and also 'bearings'at opposite sides off its slot tobe arrested-below said'crossslot during the insertion of said inner member ,andthen moved forwardly beyondthe longitudinal slot of saidouter member and below solid portions of said outer member,

"and a ."pivotied operating lever for said bar having an outerim ember for manual opera tion, flan inner ;member to depress said bar and trunnionsfadapted "to be lowered through said 'crossslotand seated on said bearings when the latter are arrested below said bar having .an outer member for manual operation, an inner member to depress said bar: and trunnions adapted to be lowered throughisaid cross-slotand seatedon said member, and a pivoted operating lever for 1 bearingswhen the latter are arrested below said .cross slot and then to be carried on the bearings below solid portions of the outer member on the further movement of said inner member to its final position.

5. A fountain pen of selffilling type coni raining an ink-bag and. resser-bar therefor,

comprising an outer barrel member having a cross slot, an inner member insertible endsides thereof to bearrested below s'aidcross slot "during the insertion of said inner memher into said outer member and then moved forwardly below solid-portions of said outer member, and a pivoted operating lever for said barhaving; an! outer member for manual operatlon, an mner member to depress said bar and trunnionsadapted to be lowered through said cross slot and seated on Said bearings when-the latter are arrested below said'cross-slot and then to becarried on'the bearings below solid portions of the outer member on the further'movement of said inner member to its final position, said inner wise into said outer member and having a longitudinl slot and bearings atopposite member being'tubular-and carrying said'bar 1 and having on its outer end a head whose forward annular edges engagethe rearend "of said outer barrel member andclose the same. r V

"Signed'at N'ew York city, in the county of New York and State of New YOIk,=ll1= i$ 4th day of September, A. '13., 1923. o

- ABRAHAM POLLAK.

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