(NoModel.
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Li E.; WATERMAN.
FOUNTAIN PEN.
No. 2493.545.
Patented Feb; 12;' `18811;
li!
' JM@
'f 1" ` UNET@ " STATES PATENT
` Lnwrs
Frise...
WATERMAN, oF BRooKLYn, New YORK.
FOUNTAIN-PEN.
SPECIFICATION forming partof Letters Patent No. 293,545, dat-ed February 12, 1884.
`
Application tred september is, lees.
io LZZ whom, ifm/ay concern:
Be it known that I, -Lnwrs E. Warm-nuns,-`
f1 a citizen of the United States, residing in
Brooklyn, in the county of Kings and State
of New York, haye invented certain new and
useful Improvements in Fountain-Pens, of
which the following is a specification.
(No model.)
between the pieces B and-G, as shown in Fig.
l, and a portion of the lower surface of the
pen projecting from the tube B is in contact 55
with the upper, and somewhat flattened sur
face of the' bar C. lf, now, the barrel A be
partly filled with ink, and the parts assem
bled as in Fig. 1,-the pen `will be ready for
use, the ink being supplied to the nib in the
ain-pens in which the nib of the ordinary following manner: The downward flow of the
writing-pen is supplied with iiuid ink from a` inl; by gravity and through the action of cap
barrel or reservoir,`which may conveniently illary attraction in the act of writing causes
. My invention relates to that class of fount
`'form thejhandleor holder ofthe pen.
it to'pass through the groove d, and tends to
The object of the invention is to secure andl create a vacuum within the reservoir, which
automatically regulate a certain and uniform. is met by the influx of air passing upward 65
flow of ink to the pen, and also to prevent the through the groove. The direction of the
leXcessive discharge of the ink when the pen .current of air entering the ink-reservoir be
is :in use. By my invention a fountain-pen
composed of but comparatively few partsis
produced, and the general construction of this
class of pen greatlyimproved and simplied.
ing opposite to that of the outiiowing ink, the
volume of the latter is somewhat lessened,
and excessive discharge prevented.
The mo
tion caused by the receding and advancing of
Y The subject-matter claimed as new will be the lower surface of the pen from and toward
` hereinafter specically designated.
the bar C, caused by the ordinary operation
In the accompanying drawings, which illus of writing, increases the liow of ink from the 75
trate my invention, Figure ~1 is a longitudi barrel and permits the steady supply of the
nal section of my improved fountain-pen, and inl; to the slot in the pen, from whence it is
Fig.4 2 is a cross-section on the line 2 2 of conveyed to its point and to the surface be
lFlg. l.`
Referring to. Fig. 1, A represents a barrel
ing written upon.
It may be observed that the tendency to a
or tube for containing the ink, and it may be heavy and excessive flow of ink, caused byv SO
formed of rubber _or other suitablematerial. amplified motion ofthe pen or otherwise, will l
A tubular piece, B, preferably of the same be compensatedby an increased influx of air
`fnnaterial as the barrel A, is shouldered and through the'groove d, to fill the vacuum tend
y screw-threaded at b, and is made to fit within ing to be produced within the reservoir, thus
the correspondingly-threaded extremity a of .
the barrel A. The feed-piece which I elm
retarding the flow and automatically regulat
ing the same. It> may also be stated that air
' ploy for conveying -the ink from the barrel A bubbles, which usually form within and great- ,
tothe nib of the pen P consists of a bar, C, ly impede the discharge of ink through the
` formed of rubber or other suitable material, inlcduct, are i-n my invention pressed to one
` having one extremity, c, tapering conically side of the duct, and their onward movement 90
The greatly accelerated by the outflowing current
40 `from one side to the other of the body C.
` other extremity of the body is formed to fit
tightly within the tubularV piece B;
s
The up
per side of thebar G is provided with a groove,
Fd, . extending throughout its entire length.
of ink.
The narrow slits or ssures e c, which
are made in the groove d, and which extend
deeper into the feed~bar C than the bottom. of 95
the groove- d, serve to facilitate the downward ,
`45` Thedepth of this groove preferably gradually iiow of the ink which first follows these nar
` decreases as it approaches the extremity c.
l row channels, and thus the descending column
fform one or more very narrow slits or> fis
sures, e c, (sce Fig. 2,) longitudinally through
of ink is kept on that side of the groove, Vthe '
ascending column of air keeping on the other roo`
` V out the length of the groove d, as shown, for side of the groove.
_
_
5o facilitating the flow ofink to the pen, as here
`A cap, E, is employed for protecting the
inafter described. The `pen l?, which may be nib of the pen when not in use. ~ rllhe cap may
\ of a'ny of the formsiin common use, is secured beplaced uponthe extremity of thc barrel '
when the pen is being used, and when in such
position it serves to lengthen the holder.
v I claimL as my invention-e
. '
l. f An ink-duct for a fountain~pen, consist
By my invention I do away with ' the tubu' ing of a bar having a longitudinalv groove
lar ink-duet usually employed in connection formed in its surface and one'or more longi
With pens of this class, and which has hereto tudinal fissures in the _side or sides of said
fore been objectionable for the reason, among
IO
groove, substantially as set forth.
'
ink to the nib than is necessary. ' The grad
2. In a fountain-pen, the combination, sub~
stantially as hereinbefore set forth, of a bar- '
ual decrease in size toward the nib'of the ink
rel or ink-reservoir, a tube connected there
I do not intend to confine myself tothe pre
cise construction shown in the drawings or
described herein, as it is obvious that the
same may be modied Without departing from
the principles of my invention. The form of
side or sides of said groove or grooves, and a
others, ythat it is veryliable to conduct more
conducting -groove in my improved pen pro~ with, an ink-duct supported Within said tube,
vides against the excessive -flow of ink, which, and consisting of a bar having. one or more;
by reason of a large portion of the groove bc. longitudinal grooves formed in that portion
ing in direct contact with> the pen, a sulii-` of its surface which is in proximity to the pen,
With.- one or more longitudinal fissures in the
cient quantity of inl; is supplied.
peu secured ~between said tube and ink-duct.
3. 'A fountain-pen having au ink~duct pro- ,y A
vided with one or more longitudinal iissures
formed in its walls, for facilitating the pas- '
the inlcduct may be modified, and, instead of sage of the ink through said'duct. "
In testimony whereof Iliave hereunto sub- i
one groove being formed in its upper surface,
several may be employed, and the number scribed my name this 18th day of September,
and size of the iissures in said Vgroove or
A. D. 188:3.
grooves may be Varied, if desired.
I hereby disclaim, so far as this specica
25
tion and these Letters Patent are concerned,
all inventions which are shown, described, and
claimed, or to be claimedin an application of
Which this is a division, filed by me June 20,
30
1883.
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LEWIS E. XVATERMAN.
_ Witnesses:
.DANIEL XV. EnGEooMB,
Crmnrns A.. TERRY.
