US2551106A

US2551106A - Fountain pen

Info

Publication number: US2551106A
Application number: US34050A
Authority: US
Inventors: Rose R Eratico
Original assignee: Individual
Current assignee: Individual
Priority date: 1948-06-19
Filing date: 1948-06-19
Publication date: 1951-05-01
Anticipated expiration: 1968-05-01

Description

Patented May l, 1.951

UNITED STATESy PATENT orrlcef Rose R. Eratico, Long Island City, N. Y. Application June 19, 1948, Serial No. 34,050

. j A further object of the present invention is to provide ajfountain pen which may be readily filled in an emcient manner. Another object of the present invention is to yprovide a fountain pen which can be manufactured at low costs. y

' With theabove and other objects'of the invention in view, the invention consists in the novel construction, arrangement and combinationof various devices, elements and parts as set forth in the claims hereof, certain embodiments of the same being described in the specification andbeing illustrated in the acco-mpanying drawings forming part of this specication, wherein: e Fig. l is a longitudinal sectional view of a fountain pen according to the invention,

Fig. 2 is a longitudinal sectional view of the fountain pen similar to that shown in Fig. 1, wherein, however, the covering shell and the cap are omitted, and wherein elements of the filling device are in a different position.

i' Fig. 3 is'a sectional View taken on line 3-3 of Fig. 1,

Fig. Liis a sectional view taken on line 4--4 of Fig. 1, Y

Fig. 5 is a sectional view taken on line 5-5 of Fig. 2,

Fig. 6 is a longitudinal sectional view of another embodiment of a fountain pen according to the invention,A the covering shell and the capl being omitted,

Fig. 7 is a longitudinal sectional view of the fountain pen shown in Fig. 6, wherein however the elements'of the filling device are in different L positions,

Fig. 8 is a sectional view taken on Fig. 6, Y l Fig. 9 is a sectional view taken on line 99 of Fig.7, and f I Fig. 10 is a fragmentary longitudinal sectional view of the fountain pen shown in Figs. 6 and 'l illustrating the connection of an ink supply sack with a nib holder. v v y fv Referring now to Figs. 1-5, 20 indicates arbarrel of tubular shape. Said barrel 20 is open at both ends.

A nib holder generally indicated by 22 is inserted into the right-hand-end o-f the barrel 20 as viewed in Figs. l and 2. Said nib holder 22 has IClaims. Cl. 1Z0-46) the portion'24of the nib holder 22.

line 8-8 of 2 a cylindrical portion 24 tightly ttlng into the bore of the barrel 2E. A shoulder formed between lsaid cylindrical portion 24 and.'` the 'projecting portion 26 of the ynib holder 22 acts as an abut-V ment cooperating with lthe right-hand-end surface of the barrel 20. Furthermore, the nib holder 22 has a cylindrical portion 28 of reduced diameter arranged within the barrel 20.

A rod 3) having a channel or passage 32 is tightly inserted intoV the center bore of the nib holder 22. The nib holder ,22, furthermora'phas' a recess 34 of substantially semi-circular shape at `its right-hand-end, said recess being capable of receiving and holding a nib 36 in a customary manner.V y

An ink supply sac 38 of elastic material, preferably of rubber, is tightly attached with its open end to the portion 28 of reduced diameterA of the nib holder 22. The ink supply sac'38 is'arranged Within the barrel 2i). The channel for passage 32 connects. the interior of the ink'supply sac `33 with the nib 3B,`so that ink contained by the ink supply sac 38 may be-supplied to the nib 36. l

An actuating member or actuating knob generally indicated byV 230 having acylindrical portion of reduced diameter is rotatably inserted on the left-hand-endof the barrel asviewed in Figs. l and 2. A shoulder formedvbetween said portion 42 of reduced diameter and the main body of the actuating knob acts as an abutment engaged with the left-hand-end surface of thebarrel 20. Oneend of a helical spring 44 is inserted into a bore 46 of the portion 42 of the actuating knob lli), and the other end of's'aid helical spring 44 is inserted into a bore 48` of rIlhus, the helical spring 44 surrounding the ink supply sac 3S is, positively connected with the actuating knob il@ of the nib holder 22.A`

As best shown in Figs. l and 2, a portion of the helical spring 44 embraces a portion 50 of'vstill further reduced diameterV of the actuating knob t0 and another portion of the helical springM embraces the endof the ink supply sac 38 where it is attached to the portion 28 of the nib holder 22.

Moreover, the portion 50 of the actuating knob 40 has a recess 52 arranged for receiving .the closed end of the inkrsupply sac 38.

As shown in Fig. l, the barrel 2l] ris removably inserted into the bore of a covering shell 54. A cap may be loosely engaged with said shell 54 for protecting the nib 36` when the fountain pen is not in use.

If it is desired to lll the ink supply sac 38 with ink, the fountain pin is manipulated in the following manner:

The cap 56 is removed from the shell 54 and the shell 54 is removed from the barrel 20.

Now the actuating knob 40 may be turned with the n'gers of a hand in the direction of the arrow shown in Fig. 2. Such a rotation of the actuating knob 40 causes a contraction of the coils andY a movement of the'- coilsr relative, to each other. These features in turn cause, firstly, a tightening of the ink supply sac on the portion 28 of the nib holder 22 by the portionof the helical spring 44 embracing the end of the.

ink supply sac, so that the ink supply sac 38 is prevented from rotation relative to the-nib holder; 22, if after a period of use the elasticity inherentV to the ink supply sac 38 should not be any longer suflicient to hold the ink supply sac tightly on'.V

the portion 28 of the nib holder 22, and cause, secondly, a; twisting;orV the ink; supply sac 38 as shown'nlfig-sz. 2 andV 5. This twisting of the ink supplyrsac 3.8' may bev performed so effectively, that'. all thegair previously inside of the ink supply sacf38j' is expelled.r

Nowffaftei; areleasev of the;V actuating knob 40 the. helical spring;` 44 returns same automatically into its` original position and per-mits the elastic inlsupplysac 38 to assume its original expanded conditiom whereby ink is sucked into the ink supply'sac 38 throughthe. passage 32 immersed atthe nib.- end. into the ink of an ink bottle. 'If-desired,v theev twisting of the ink supply sac 38:- byrv rotating the: actuating knob 40 for filling purposes may be repeated several times.

Furthermore, the ink supply sac |38 has at its lette-hand closed end a solid extension |64 integral'v with its main body. Said solid extension |64-is provided with a. bore |66 registering with ahora of,` theV actuating knob rotatably engaged with the left-hand opening of the barrel |20; A; pin |68 inserted into said registering boresVV of the actuating knob |40 and the solid extension. |64 of the ink supply sac |38 causes a rigid connection between the actuating knob |40 and the `ink supplylsac |38.` It will be readily understood that a rotation of thev actuating knob |40 causes a twisting of theinksupply sac |38 as;..shown.in.Figs..7 and 9. l

- Of course, the fountainpen shown in Fig. 6 mayalso be enclosed in a shell and a cap as shown inv connectionwith the embodiment4 of the fountain pen illustrated by Fig. 1. 1f it, is desired to fill the fountain pen shown inrigs.` 6` and', the actuating knob |40 isrotated back v and forth whereby ink is suckedA into the 'elastic' fink supply sac |38 by the twisting and releasing thereof'. Of course the elasticity inherent to theink` supply sac |38 contributes toa return movement of the actuating knob |40 from the position shown in Fig. 7 into the position shown in Fig. 6.

' I have described preferred embodiments of my invention, but it is understood that this disclosure is for the purpose of illustration and that various omissions or changes in shape, proportion, and arrangement of parts, as well as the substitution of equivalent elements for those, herein shown and described",h mawbemade without departing from the spiritI` and"v scope of the invention as set forth in the appended claims.

What I claim is:

1-.. A fountain pen comprising: a barrelV being open at both ends, a nib holder inserted into a first openingfof'said barrel with one of its ends projecting from said barrel and with its other end'being positioned within said barrel, a nib attachedto: the projecting end of said nib holder, an ink supply sac of elastic material tightly attac-hed toftheother4 endlofr: said nib holder, and arranged within said., barrel, a., passage; in said nib. holder connecting the.. interior" of said ink supply. sac; with saidnib., anactuating knob ro,` tatably engaged with the second. opening of said barrel and. a. helical spring surrounding said ink supply4 sac, one. end of said helical. spring,` being connected to said actuating knob and., the other, end of said helical spring beingy connected to said nibholder.v

2. In a fountain pen as claimed inclaimv l, said. nib` holder. having a portion of reduced crossfsection at. its. end positioned within the bar rel,.said ink supply sac being attachedv toV said portion, and a part/of said .helical coil. embracing theend` ofsaid, ink supply sac attached to said portion ofthe nib holder. v

3.,. A fountain pen comprising: a barrel being open` at. both ends, a-nib holder inserted into a first opening of said barrel with one of its; ends projecting from said barrelV and; with its other end. being. positioned within: said barrel, a nib attached tothe projecting end of said nib holder, an supply sac of. elastic material tightly attachedfto the other end of said nib holder and arranged within said barrel, a passage in said nib holder connecting the interiori of said ink supply sacwith said nib, an actuatingy knob rotatably engaged with the second opening of said barreLsaid actuating knob having a recessV receiving the closed end of said ink supply sac, anda. helical spring surrounding said ink supply sac, one end of said helical spring being vconnected to saidactuating knob, and the other end ofsaid-helical spring beingr connected to said nib holder..

ROSEV R.. ERATICO;

REFERENCES CITED l The following. references areof record ini the file of this patent:

UNITED STATES PATENTS