US2393251A - Fountain pen - Google Patents

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Publication number
US2393251A
US2393251A US569959A US56995944A US2393251A US 2393251 A US2393251 A US 2393251A US 569959 A US569959 A US 569959A US 56995944 A US56995944 A US 56995944A US 2393251 A US2393251 A US 2393251A
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Prior art keywords
pen
nib
hood
feed bar
pen nib
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US569959A
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Juelss David
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American Lead Pencil Co
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American Lead Pencil Co
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Publication date
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Priority to US569959A priority Critical patent/US2393251A/en
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Publication of US2393251A publication Critical patent/US2393251A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43KIMPLEMENTS FOR WRITING OR DRAWING
    • B43K5/00Pens with ink reservoirs in holders, e.g. fountain-pens
    • B43K5/18Arrangements for feeding the ink to the nibs

Definitions

  • / and feed bar is of capillary dimensions.
  • I'his invention relates to fountain pens and more particularly to the ink feeding mechanism thereof embodying a pen nib, feed bar and an enclosing hood surrounding the nib and feedbar except for an opening through which the point of the nib projects.
  • the hood protects the nib and feed bar from incidental damage, affords effective support for the nib adjacent the point, provides a collector for surplus ink which may pass through the ink channel'in the feed bar, and assures the continuous maintenance of humid conditions in the feed so that the pen is always in condition for writing so long as the ink supply fasts. It also facilitates handnng of the pen,
  • Fig. 1 is a plan view of the under side of a pen r pen nib by wedging the feed bar between the nib and the inner surfaces of the hood extension.
  • Another object of the invention is to provide'a fountain pen including av hood extension of utmost simplicity which lends itself to molding. technique and dispenses with the need for fragile A embodying the invention; Y
  • Fig. 2 is a longitudinal section through the feed mechanism and a portion of the barrel Fig. 3 is a front elevation of the feed mechanisin;
  • Another object of the invention is to provide a fountain pen employing a hood extension substantially covering the writing nib and containing novel means for trapping andstoring excess ink within the under portion of the hood.
  • Another object of the invention is to provide means for ensuring contact Fig. 4 is a section on the line t-t of Fig. 2;
  • Fig. 5 is a section on the line 5 5 of Fig. 2;
  • Fig. 6 is a section on the line @-6 of Fig. 2;
  • Fig. 7 is a section on the line .'l'-i of Fig. 2;v
  • Fig. 8 is a section similar to Fig. 4, illustrating a modification of the structure
  • Fig. 9 is a view in perspective illustrating the ink collecting device within the h'ood.
  • Figs. l0 and ll are small scale views similar to Fig. i illustrating modifications of the hood.
  • t indicates the barrel of a fountain pen to which the hood extension d is secured in any suitable manner as for example by threads l.
  • the hoodt is preferably tapered or streamlined to its free end where it is provided with an opening t through which the point d of the pen nib i@ projects.
  • the size of the opening t is such that when assembled with the pen nib iti a passage of capillary dimensions is exposed to the atmosphere.
  • a ferrule it is inserted in the barrel end of the hood t to receive the feed bar it.
  • a sac i3 for y the ink supply may be supmrted on the end of the ferrule il with-in the barrel 5.
  • the feed bar i2 firmly holds the rear end of the pen nib l@ in a recess it provided in the ferrule il.
  • the feedl bar is preferably of thetype heretofore used in fountain pens, being generally cylindrical at one end and semi-cylindrical at the other, the latter end tapering to a blunt point. It is provided with ink and air grooves l5 and i6 merging in a groove Il.
  • the groove Il extends longitudinally of the 'feed bar to a point near the tapered end and forms with the pen nib i6 a passage through which ink descends from the sac il and is re'- placed with air.
  • an ink collector i8 l (Fig. 9) is disposed with its upper surface engaging the lower surface
  • 8' is provided with a plurality of transverse slots in the under side thereof, the slots extending around Ithe sides to the upper face which bears against the feed bar l2.
  • the feed bar I2 is narrower than the space withinthe hood 6, affording channels 2
  • are of capillary dimensions. In the normal opaction into the channels 2
  • the slot 22 may be omitted, since the ink will flow through the channels 2
  • a plurality of openings 23 are provided preferably on the under side of the hood 8, communicating with the transverse slots 2
  • a plurality of holes 24 may be provided as indicated in Fig. 10 or the lower portion of the hood may be partially cut away as indicated at 25 in Fig.- 11. In either case, the openings permit air to enter the transverse slots 20.
  • a channel 28 is formed by a shoulder 21 of the hood 6 to permit passage of air to a channel 28 formed by a. groove in the hood and the upper surface of the pen nib i0.
  • This channel extends to a breather opening 29 in the pen nib l0 which permits ai: to enter the groove I1. and thus pass to the sac
  • the invention permits .the use of pen nibs of-thinner section than those commonly used because the pen nib is nrmly supported adjacent the point by the vwedging action of the collector.
  • ink of the instantaneous drying type since gushing is Various changes may be made in the details of construction as described without departing from the invention or sacrificing the advantages thereof.
  • a pen nib In a fountain pen, a pen nib, a co-operating feed bar, a hood surrounding the pen nib and feed bar and having an opening through which the pen nib projects, and a separable wedging member within the hood and adapted to engage and to rmly hold the feed bar against the under side of the pen nib adjacent the projecting end thereof.
  • a pen nib In a fountain pen, a pen nib, a. (zo-operating feed bar, a hood surrounding the pen nib and feed bar and having an opening through which the pen nib projects, and a separable wedging member within the hood having recesses to receive and hold surplus ink and adapted to engage and to firmly hold the feed bar against the under side of the pen nib adjacent the projecting end thereof.
  • a pen nib In a fountain pen, a pen nib, a co-operating feed bar, a hood surrounding the pen nib and feed :bar and having an opening through which the pen nib projects, and a separable Wedging member within the hood having a plurality of ltransverse slots and adapted to engage and to firmly hold the feed :bar against the under side of the pen nib adjacent the projecting end thereof.
  • a pen nib In a fountain pen, a pen nib, a co-operating feed bar, a surrounding the pen nib and feed bar and having an opening through which the pen nib projects, and a separable lwedging member within the hood having a plurality of .transverse slots and a longitudinal slot and adapted to engage and to firmly hold the feed bar against the under side of the pen nib adjacent the projecting end thereof.
  • a fountain pen a, pen ni'b, a co-operating feed bar, a hood surrounding the pen nib and feed bar and having an opening through which the pen nib projects and openings spaced rear- 'Wardly on the under side thereof, and a, separable Wedging member within the hood and adapted to engage and to firmly hold the feed bar against the under side of the pen nib adjacent the projecting end thereof.
  • a pen nib In a fountain pen, a pen nib,.a co-operating feed bar, a hood surrounding the pen nib and feed bar and having. an opening through which the pen nib projects and openings spaced rearwardly on the under side thereof, and a separable wedging member within the hood having recesses to receive and hold surplus ink and adapted to engage and toA firmly hold the feed bar against inhibited and the ink is substantially protected from excessive evaporation.
  • the structure is simple, adapted to construction by molding plastic materials. and is easily assembled.
  • anymaterials adapted for fountain pen construction may be used. Molded plastics are preferred, but the parts may be formed from other material such as hard rubber or even metal.
  • a pen nib In afountain pen, a pen nib, a co-operating feed bar, a hood surrounding the pen nib and feed lbar and having an opening through which the pen nib projects and openings spaced rearwardly on the under side thereof, and a separable wedging member within the hood having a plurality of transverse slots and adapted to engage and to :rmly hold the feed .bar against the under side of the pen nib adjacent the projecting end thereof.
  • a pen nib In a fountain pen, a pen nib, a co-oprating feed bar. a hood surrounding the pen nib and' feed bar and having an opening through which the pen nib projects and openings spaced rearwardly on the under side thereof, and a separable wedging member within the hood having a plurality of transverse slots and a longitudinal slot and adapted to leimzage'and to rmly hold feed bar.Y ahood surrounding the' penrniband the feed bar against the under side of the pen feed barhaving an opening through which the nib adjacent the projecting'end thereof. ⁇ pen nib projects and openings spaced rearwardly 9.. In a fountain pen, a pen nib.
  • the hood having a flattened upper surfaceadapt- 13.
  • a hood suhounding the pen nib and recesses -to receive and hold surplus ink.
  • l0 feed bar having an opening through which the 10.
  • a pen nib, a co-operating pen nib projects and openings vspaced rearwardly feed bar.
  • a hood surrounding the pen nib and on the under side thereof, and a separable memfeed bar having an opening through ⁇ which the ber within the hood having a flattened upper surpen nib projects, and a Aseparaizvle lmember within face adapted to engage lthe lunder side of the feed the hood having a flattened upper surface adaptls bar and a plurality of transverse slotsto receive ed to engage the under side of the feed bar and and hold surplus ink.
  • apen nib In a fountain pen, apen nib, aco-operating v surplus ink. feed bar, a hood surrounding the pen lulb and 11. In a fountain pen. apen nib.
  • a co-operating feed bar having an opening through which the feed bar, a hood surrounding the peu nib and lo peri nib projects and openings spaced rearwardly feed bar having an opening through which' the on the under sidethereof, and -a separable mempen nib projects, and a separable member within bei' within the hood having a flattened upper surthe hood haing a flattened upper surface adapted face adapted to engage the under side of the feed to engage the under side of the feed vbar and a bar and a plurality of transverse slots and a lonpluraiity of transverse slots and a longitudinal gs gitudinal slot to receive and hold surplus ink. slottoreceive andholdsurplusink. i 12.
  • a pen nib a co-loperating DAVID JUELBS.

Description

D. J UELSS FOUNTAIN PEN Jan. 22, 1946.
- Filed Dec. 27.' 1944 zsheets-sheet 1 Jan. 22, 1946. D. JUELSS 2,393,251
` FOUNTAIN PEN Filed Dec. 27,1944 2 Sheets-Sheet 2 ATTORNEYS BY P @MLM .am
/ and feed bar is of capillary dimensions.
' before mentioned and to Patented 222, 1946 David Juelss,
2,393,251 1 FOUNTAIN PEN' Brooklyn, N. can Lead Pencil `(loin Y., assignor to Ameripany, Hoboken, J., a
. v corporation of New York Application December 27, 1944, Serial No. 569,959
(ci. 12o-.5m
14 Claims.
I'his invention relates to fountain pens and more particularly to the ink feeding mechanism thereof embodying a pen nib, feed bar and an enclosing hood surrounding the nib and feedbar except for an opening through which the point of the nib projects. The hood protects the nib and feed bar from incidental damage, affords effective support for the nib adjacent the point, provides a collector for surplus ink which may pass through the ink channel'in the feed bar, and assures the continuous maintenance of humid conditions in the feed so that the pen is always in condition for writing so long as the ink supply fasts. It also facilitates handnng of the pen,
which may be grasped writing point without fingers.
One of the primary disadvantages of fountain pens of the type heretofore in general use has been the dimculty of maintaining close contact between the feed bar and the pen nib. Under pressure exerted in writing, there is a tendency to deect the nib away from the feed bar. As a result, more ink ows from the reservoir than is required for Writing if the spacebetween the nib If greater, the supply of ink will be shut o, so that frequent priming is necessary.
Attempts have been made to remedy this defect by utilizing pen nibs of heavier section or by resorting to tubular pen nibs. Neither solution is entirely satisfactory.
Another characteristic of fountain pens is the tendency to flood under certain conditions. Some pens of recent design have included a multiplicity of annular, cell-like structures with interlocking air and ink passages in an attempt to aord a collector for surplus ink. These are fragile and in close proximity to the danger of smearing the -companying drawings, in which Fig. 1 is a plan view of the under side of a pen r pen nib by wedging the feed bar between the nib and the inner surfaces of the hood extension.
Another object of the invention is to provide'a fountain pen including av hood extension of utmost simplicity which lends itself to molding. technique and dispenses with the need for fragile A embodying the invention; Y
Fig. 2 isa longitudinal section through the feed mechanism and a portion of the barrel Fig. 3 is a front elevation of the feed mechanisin;
dimcult to manufacture and assemble. Moreover, ink sedimentation often blocks the delicate passages which become useless for their'intended Purpose.
It is the object of the present invention to providea pen feed mechanism of sturdy parts which are easy to manufacture and assemble, the structure being such as to avoid the difficulties hereinaiiord numerous advantages in use.
Another object of the invention is to provide a fountain pen employing a hood extension substantially covering the writing nib and containing novel means for trapping andstoring excess ink within the under portion of the hood.
Another object of the invention is to provide means for ensuring contact Fig. 4 is a section on the line t-t of Fig. 2;
Fig. 5 is a section on the line 5 5 of Fig. 2;
Fig. 6 is a section on the line @-6 of Fig. 2;
Fig. 7 is a section on the line .'l'-i of Fig. 2;v
Fig. 8 is a section similar to Fig. 4, illustrating a modification of the structure;
Fig. 9 is a view in perspective illustrating the ink collecting device within the h'ood; and
Figs. l0 and ll are small scale views similar to Fig. i illustrating modifications of the hood.
Referring to the drawings, t indicates the barrel of a fountain pen to which the hood extension d is secured in any suitable manner as for example by threads l. The hoodt is preferably tapered or streamlined to its free end where it is provided with an opening t through which the point d of the pen nib i@ projects. The size of the opening t is such that when assembled with the pen nib iti a passage of capillary dimensions is exposed to the atmosphere. r
A ferrule it is inserted in the barrel end of the hood t to receive the feed bar it. A sac i3 for y the ink supply may be supmrted on the end of the ferrule il with-in the barrel 5. The feed bar i2 firmly holds the rear end of the pen nib l@ in a recess it provided in the ferrule il. The feedl bar is preferably of thetype heretofore used in fountain pens, being generally cylindrical at one end and semi-cylindrical at the other, the latter end tapering to a blunt point. It is provided with ink and air grooves l5 and i6 merging in a groove Il. The groove Il extends longitudinally of the 'feed bar to a point near the tapered end and forms with the pen nib i6 a passage through which ink descends from the sac il and is re'- placed with air.
of the feed bar and 55 yWithin the hood 6 an ink collector i8 l(Fig. 9) is disposed with its upper surface engaging the lower surface |9 of the feed bar I2 with a wedging action which forces the feed bar into close engagement with the pen nib I0, particularly near the point 9. The nib is thus'firmly held even when writing pressure is exerted on the point 9, and the difficulty experienced due to flex. v
ing of the pen nib away from the feed bar in ordinary fountain pens is avoided.
As indicated in the drawing and particularly in Fig. 9, the collector |8'is provided with a plurality of transverse slots in the under side thereof, the slots extending around Ithe sides to the upper face which bears against the feed bar l2. The feed bar I2 is narrower than the space withinthe hood 6, affording channels 2| at the sides through which ink'may ow into the transverse slots 20. The slots 20 and the channels 2| are of capillary dimensions. In the normal opaction into the channels 2|` and slots 20 where it is held. Thereafter this surplus ink gradually flows to the point 9 and is utilized.
To facilitate this movement of the ink to and from the transverse slots 2li, it is desirable to provide a longitudinal slot 22 extending through the collector I8 and communicating with the transverse slots 20. However, as indicated in Fig. 8, the slot 22 may be omitted, since the ink will flow through the channels 2| to the slots 20 whenever a surplus is discharged through the feed.
As indicated in Fig. 1, a plurality of openings 23 are provided preferably on the under side of the hood 8, communicating with the transverse slots 2|! in the collector I8. Instead of the openings as shown in Fig. l, a plurality of holes 24 may be provided as indicated in Fig. 10 or the lower portion of the hood may be partially cut away as indicated at 25 in Fig.- 11. In either case, the openings permit air to enter the transverse slots 20.
At the forward end of the ferruie l2, a channel 28 is formed by a shoulder 21 of the hood 6 to permit passage of air to a channel 28 formed by a. groove in the hood and the upper surface of the pen nib i0. This channel extends to a breather opening 29 in the pen nib l0 which permits ai: to enter the groove I1. and thus pass to the sac |3. Y
Among the special'advantages of the invention is the assurance that surplus ink flowing to the point 9 in the event of ooding will immediately collect in the transverse slots 20, ample capacity being providedto take up the ink and hold it until it can be utilized. .Moreover, the invention permits .the use of pen nibs of-thinner section than those commonly used because the pen nib is nrmly supported adjacent the point by the vwedging action of the collector. In a pen constructed as described, it is possible to use ink of the instantaneous drying type since gushing is Various changes may be made in the details of construction as described without departing from the invention or sacrificing the advantages thereof.
I claim: y
1. In a fountain pen, a pen nib, a co-operating feed bar, a hood surrounding the pen nib and feed bar and having an opening through which the pen nib projects, and a separable wedging member within the hood and adapted to engage and to rmly hold the feed bar against the under side of the pen nib adjacent the projecting end thereof.
2. In a fountain pen, a pen nib, a. (zo-operating feed bar, a hood surrounding the pen nib and feed bar and having an opening through which the pen nib projects, and a separable wedging member within the hood having recesses to receive and hold surplus ink and adapted to engage and to firmly hold the feed bar against the under side of the pen nib adjacent the projecting end thereof.
3. In a fountain pen, a pen nib, a co-operating feed bar, a hood surrounding the pen nib and feed :bar and having an opening through which the pen nib projects, and a separable Wedging member within the hood having a plurality of ltransverse slots and adapted to engage and to firmly hold the feed :bar against the under side of the pen nib adjacent the projecting end thereof.
4. In a fountain pen, a pen nib, a co-operating feed bar, a surrounding the pen nib and feed bar and having an opening through which the pen nib projects, and a separable lwedging member within the hood having a plurality of .transverse slots and a longitudinal slot and adapted to engage and to firmly hold the feed bar against the under side of the pen nib adjacent the projecting end thereof.
5. In a fountain pen, a, pen ni'b, a co-operating feed bar, a hood surrounding the pen nib and feed bar and having an opening through which the pen nib projects and openings spaced rear- 'Wardly on the under side thereof, and a, separable Wedging member within the hood and adapted to engage and to firmly hold the feed bar against the under side of the pen nib adjacent the projecting end thereof.
6. In a fountain pen, a pen nib,.a co-operating feed bar, a hood surrounding the pen nib and feed bar and having. an opening through which the pen nib projects and openings spaced rearwardly on the under side thereof, and a separable wedging member within the hood having recesses to receive and hold surplus ink and adapted to engage and toA firmly hold the feed bar against inhibited and the ink is substantially protected from excessive evaporation. The structure is simple, adapted to construction by molding plastic materials. and is easily assembled.
It is to be understood that anymaterials adapted for fountain pen construction may be used. Molded plastics are preferred, but the parts may be formed from other material such as hard rubber or even metal.
the under side of the pen nib adjacent the projecting end thereof.
'7. In afountain pen, a pen nib, a co-operating feed bar, a hood surrounding the pen nib and feed lbar and having an opening through which the pen nib projects and openings spaced rearwardly on the under side thereof, and a separable wedging member within the hood having a plurality of transverse slots and adapted to engage and to :rmly hold the feed .bar against the under side of the pen nib adjacent the projecting end thereof.
8. In a fountain pen, a pen nib, a co-oprating feed bar. a hood surrounding the pen nib and' feed bar and having an opening through which the pen nib projects and openings spaced rearwardly on the under side thereof, and a separable wedging member within the hood having a plurality of transverse slots and a longitudinal slot and adapted to leimzage'and to rmly hold feed bar.Y ahood surrounding the' penrniband the feed bar against the under side of the pen feed barhaving an opening through which the nib adjacent the projecting'end thereof.` pen nib projects and openings spaced rearwardly 9.. In a fountain pen, a pen nib. a co-operating on the under side thereof, and a separable memfeed bar, a hood surrounding the pen nib and g ber within the hood having afiattened upper face feed bar having an opening through which theV adapted to engage the under` side of the feed bar pen nib projects and a separable member within and recesses to receive and hold surplus ink.
the hood having a flattened upper surfaceadapt- 13. In a fountain pen. a pen nib, a eo-operating l ed to engage the under side of the feed bar and feed bar. ,a hood suhounding the pen nib and recesses -to receive and hold surplus ink. l0 feed bar having an opening through which the 10. In a fountain pen, a pen nib, a co-operating pen nib projects and openings vspaced rearwardly feed bar. a hood surrounding the pen nib and on the under side thereof, and a separable memfeed bar having an opening through `which the ber within the hood having a flattened upper surpen nib projects, and a Aseparaizvle lmember within face adapted to engage lthe lunder side of the feed the hood having a flattened upper surface adaptls bar and a plurality of transverse slotsto receive ed to engage the under side of the feed bar and and hold surplus ink.
a plurality of transverse slots to receive and hold a i4. In a fountain pen, apen nib, aco-operating v surplus ink. feed bar, a hood surrounding the pen lulb and 11. In a fountain pen. apen nib. a co-operating feed bar having an opening through which the feed bar, a hood surrounding the peu nib and lo peri nib projects and openings spaced rearwardly feed bar having an opening through which' the on the under sidethereof, and -a separable mempen nib projects, and a separable member within bei' within the hood having a flattened upper surthe hood haing a flattened upper surface adapted face adapted to engage the under side of the feed to engage the under side of the feed vbar and a bar and a plurality of transverse slots and a lonpluraiity of transverse slots and a longitudinal gs gitudinal slot to receive and hold surplus ink. slottoreceive andholdsurplusink. i 12. In a fountain pen. a pen nib, a co-loperating DAVID JUELBS.
US569959A 1944-12-27 1944-12-27 Fountain pen Expired - Lifetime US2393251A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2456602A (en) * 1946-01-09 1948-12-14 Welsh Mfg Co Fountain pen
US2733686A (en) * 1956-02-07 lawton
DE1214113B (en) * 1959-09-25 1966-04-07 Faber Castell A W Fountain pen with ring-shaped capillary ink chambers and two-part ink feeder

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2733686A (en) * 1956-02-07 lawton
US2456602A (en) * 1946-01-09 1948-12-14 Welsh Mfg Co Fountain pen
DE1214113B (en) * 1959-09-25 1966-04-07 Faber Castell A W Fountain pen with ring-shaped capillary ink chambers and two-part ink feeder

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