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\ Oct. 22, 1946.
J. GREGG
FOUNTAIN PEN
Filed Oct. 10.' 1944
«
gan.,
.LES_ È
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2,409,847 `
Patented O¢:t._`22,l
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ori-‘ica
' UNITED? STATE S Í ` PATENT
2.469.841
FoUNTAm PEN
Jon Gregg, New Hope, Pa.
Application 0ctober__1'0, 1944», Sci-iai No. 557.951
» 14 claims;
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(01120-543) Y
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This invention relates to fountain pen.
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manipulate and reiill. and which shall be prac
An object of this invention is to provide a
fountain pen employing a paste-like writing‘sub
stance and ‘comprising a barrel provided with a`
Worm rotatably mounted therein, said worm being“
adapted to be rotated from the rear of-the instru
ment to press the writing substance to the writing
Other objects of this invention will in part be
obvious and in part hereinafter 'pointed out._ j ¿
'I'he invention accordingly consists in the-A fea
tures of construction, combinations of elements,`
point of the instrument.
ned in the construction hereinafter described, and
'
'
Another object of this invention is to provide
a writing _instrument of the character described
provided with a ball point and means to press
tical and eiilcient to a high degree in use.
‘
and arrangement of parts which will be exempli- _
of which the scope of application will be indicated
in the following claims.
_
» l
In the accompanying drawing. in which is
Writing medium to the point.
_
.
shown one of the various possible illustrative em
Still another object of this invention is to pro
bo diments of thisinvention,
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vide a writing instrument of the character de-Fig. 1 is an axial cross-sectional view of a writ
scribed provided with means slidably mounted 15 ing instrument embodying the invention;
i
thereon to cover the -writing point when the in
Fig. 2 is a Partial View 0f the writing'instru
strument is not in use, said covering means being
ment with the closure means retracted to expose '
retractable to expose the writing point for writ
the writingpoint;
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ing.
Fig. 3 is a cross-sectional view taken on line
A still further object of this invention is to 20 3-3 of
2:.
provide a writing instrument of the character de
Fig. 4 is a crm-sectional view taken on line
scribed having a writing head which may be un
4_4 of Fig.' l;
‘
screwed from the barrel, and a collapsible reñll
Fig. 5 is a view similar to Fig. 2 but illustrat
tube containing writing substance which may then
ingamodiiledconstriiction;
l
be screwed onto the barrel and the writing sub-> 25 ~Fig. 6 is a front end view of a fountain pen
stance pressed into the barrel. The tube may
embodying the invention and still further modi
then be unscrewed from the barrel and the writ
fled;
insr head rescrewed onto the barrel.
`
Fig. 'I`is a top plan view- of a modiñed form of
.
Yet another object of this invention is to pî'o- ì retainer for the writing point of the instrument;
vide a writing instrument of the character de 30 Fig. 8 is a. view similar to Fig. 5 and illustrat
scribed comprising a barrel, a` tubular liner within
ing yet another form of the invention;
the barrel, a worm rotatably mounted in the bar
Fig. 9 is a front end view ofthe structure shown
rel and contacting the liner, and means to turn
the worm within the barrel, the barrel, the tubu
rig. ioisaside vieworuie structuresncwnirr>
~ lar liner, and its turning means being removable 35 Fig. 8 with the closure cap retracted; and
as a unit from the rear end of the barrel, and
Fig. 11 is a top plan view, partially in cross
Íreplaceable therein, whereby to permit a, new
section, of the writing instrument with the vwrit
unit containing an additional supply of writing
ing head removed and a reñll tube screwed onto
the barrel.-:
medium to be replaced within the barrel. .
'
Referring. now in detail to the drawing, Il)
Yet a further object of this invention is to
inFig.8;
provide al writing `instrument of thecharacter
described comprising'a barrel provided with an.
inner hner of compressible material and a worm
within said barrel pressing against said liner to
prevent leakage around the worm blade. ~
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.
A stilll further object of this invention is to pro
vide in a >writing~ instrumentv’oi’ the character de
scribed, means to permit turning of the worm only
.
ü
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designates a writing instrument embodylngthe
invention. The same comprises a cylindricalV
barrel Il having an externally screw threaded
Aportion i la at its rear end forming a shoulder
45 lib. At its front end the barrel lil is formed
with an .internal screw threaded portion
I3. .
forming a recessedinner shoulder i4. "
- In the drawing the reduced end edge of Vbarrel
li is designated -by numeral llc. Screwed onto
in thev direction for feeding writing substanceto 50 the'rear end of theiiarrel is a rear end member
'
the writing point of the instrument.
'
Yet another object of this invention is to'pro
vide a strong, durable and compact writing instru->
ment' of the character described which shall be~
relatively inexpensivev to manufacture, easy to
>llid. Member lid is formed with an internally
. screw threaded portion llc adapted to be screwed’
to the screw threaded portion Ila of the barrel.
The forward end` Ilf of member lid contacts`
shoulder lib of the barrel. Member _lid is fur
2,409,811
a
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thermore, formed with à shoumer lig oppositev
tube 4I is a ball retainer 55. ' The same maybe
inade of spring wire and is ln the 'form o1' a key
the endIIc of the barrel.
Interposed between surfaces IIc and IIg is
hole shaped loop havinga substantially elliptical `
a washer IIh. Member IId
formed with a
through opening I2. At its rear surface it is'
central portion 55 and LIL-,shaped end portions 51.
The end portions 51 rest on shoulder 4Ib at the
also formed with an annular >internal groove 23
for the purpose hereinafter appearing. Member
IId is also formed with an inner cylindrical
surface lli coextensive with the inner surface
front end of member 4I. ,
I Illc of the barrel Il.
ball 50. The spring serves to press the -ball
» against the rim 51 of member 50 at the opening
10
Within the barrel II is a tubular or cylindrical
4 liner I5 made of rubber or compressible synthetic
i
Mounted on portion 5s 'of the spring Isr» 'is a"
53. The writing medium employed in the pen
is in paste form. The same may be in- the ‘form
of an ink or a graphite composition _or any other
material.- The liner I5 extends from the shoulder
I|4 and contacts -surfaces Ilk and I I1; The tube
suitable writing medium.
I5 flts snugly within the barrel. N
Within the tube I5 is a. worm I5 having a worm
will be pressed forwardly through passage 45 and
-past spring 55 into the chamber 55 formed be
tween the ball 60 and the shoulder 4Ib. _As a
person; writes with the instrument, the ball 60
blade I1 pressed against the ~inner surface' of
tube I5.
At the rear end of the worm is a_cylin-
`
‘
Upon turning the handle 25 the writing medium
drical head I8 and extending therefrom is a stem.
will rotate and carry writing medium around
I9 passing through the opening I2. Stem I9 is 20 so as to provide a supply of writing substance
to the ball point. It will be noted that the worm
formed with a reduced ratchet portion 29 dis
„posed .beyond the rear surface of the barrel II, Y can only be rotated in a direction for feeding
and with a further reduced screw threaded end
writing medium toward the ball pqint;f~\
Means is provided to enclose the writing
groove 23 is a washer vor vgasket 24 surrounding 25 point, said means being retractable to expose
stem I9 to prevent leakage through said opening
said point. To this end there is mounted on the
head 4I a tubular member 10 having a cylin
I2. Surrounding said stem I9 is also a washer
portion 2l beyond the ratchet. In the annular
23a contactingthe inner surface of member IId.
drical portion ‘H surrounding portion 4Ia of the
,Screwed onto the screw threaded portion 2l is»
tube 4I, and projecting into the cylindrical
a head, cap or handle 25.
Said cap 25 is formed 30 groove 49.
with a recess 26 on its underside and with a screw
The forward end 'IIa of member" 10
is tapered to a point and is formed with radiat
threaded opening _21 extending from the recess
ing slits 12 thereby providing a plurality ot seg
to receive the screw 2|. ‘ The stem I5 is prefer
ments 13 which may be spread open. On the
rear end of member 50 is an external annular
ably formed with a shoulder 28 contacting .the
bottom wall of recess 2=5 so that the cap 25 will 35 rib 14 engaging the inner surfaces of the seg
ments 13.7 Between the segments 13 and the
cylindrical wall 1I is an inwardly extending an
surface 25a`ôf cap 25 presses washer 24 to seal
nular rib 15 forming an annular external groove
' opening I.2 when said gap contacts shoulder 28.
15. Within said groove is a split ring 11. It will
It will now be understood that upon turning the
cap, the worm I5 will be turned therewith.
40 now be understood that when member 10 is
pressed forwardly thesegments 13 close up to
Fixed to the rear end of the barrel is a pivot
cover the writing point as shown in Fig. 1 of the
pin 30 and pivoted thereon is a pawl 3l engag-r
drawing. When member 10 is retracted the seg
' ing the ratchet teeth 20. A suitable spring 32
ments 13 are opened up by the annular rib 14, and
serves to press the pawl 3I against the ratchet 20
so that the'worm can only be turned in a di 45 the cylindrical portion 1I is received within the
groove‘49. The rib 15 of member 10 may snap
rection for feeding writing substance downwardly '
into thegroove 48 to'retain member,10 in re
in the barrel toward the writing point, as will
tracted position, as shown in Fig. 2 of the draw
appear more fully hereinafter.
ing. ^
`
Screwed onto the barrel II is a writing head
'I'hewriting'
instrument
may be refilled with
40. The writing head 40 comprises a tubular 50
writing substance by unscrewing the head 4I , and
member 4I having an external screw threaded
screwing onto the barrel, in its place, a reñll
portion 42 screwed into the screw threaded por
not be wedged tight against the barrel. The end
tion I3 of the barrel. . The screw threaded por
tion 42 has an end surface 44 contacting shoul.-- I
tube 99. The reñll -tube 80 may be of the col- `
lapsible type and is provided with a screw
der I4 and‘also contacting the forward end of 55 threaded neck- 8i which may screw into the
screw threaded portion I3 of the barrel. After
tube I5, thereby »retaining said tubewithin the
the tube is screwed onto the barrel, the tube is
barrel. Member 4I is furthermore formed with
collapsed or pressed, to squeeze or press the con
a `tapered through opening 45. At its forwardV
tents into the barrel. After the barrel is re
' end itis formed with a shank'4la having an ex
ternally screw threaded front end portion 45 60 filled with writing substance the tube 80 may be
unscrewed therefrom and the writing head'4n
forming an external, recessed shoulder 41. Mem
rescrewed onto the barrel.
x
ber 4I is also formed with an annular groove 4l
It will be understood that by unscrewing
at therear end of shank 4 I, spaced from shoulder
41, for thev purpose hereinafter appearing. It is ` member IId from the barrel, the worm member
also formed with a~ cylindrical axial groove 49 65 25 and the tube 'can be removed as a unit from
the barrel. Another unit filled lwith writing
extending rearwardly of shank 4Ia. Screwed
substance may then be replaced into the bar
onto screw threaded portion 46 of member 4I, and
rel, thereby serving as a reñll for writing
contacting shoulder 41, is a tip 50. 'I'he tip 50 is
medium. The liner tube I5 serves as a container
formed withl an internally screw threaded por
tion 5I i engaging the threaded portion 45.
It is
formed with a forwardly and inwardly curved
wall 52, and has a central opening- 53 at the
front end thereof. Wall 52 has outer and inner
curved surfaces 52a, 52h extending to the rim
edge 51 at opening 53. On the forward end of
for the writing medium. T_he front end of the
vtube may be closed by any suitable capping ma-terial which may be removed prior to insertion
into the barrel.
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If desired, furthermore, member IId may be
made integral with the barrel as one piece and
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in such event the inner liner tube I5 aswell-as .
the worm A may be inserted through the 'front
the nib upon turning «the worm within the barrel.
2V. A writing instrument comprising a barrel,
end of the barrel. With such construction the re- _
.a >worin within the barrel, said writing instru
ment having a nib, a paste-like writing substance
adapted to be pressed toward the nib upon turn
illling would be accomplished by means ofthe
reñll tube 80 as illustrated inFig. l1.
In Fig. 5 there is shown a pen |0a illustratingV
a modified construction.
ing :the worm within Ithe barrel, and a Itubular
Pen I 0a is similar to '
liner of compressible material within .the barrel
pen i0 with theexception that the ball 60 is re
and contacted by the worm.
placed by an ellipsoid shaped vwriting point 90.
The writing' point 90 may be held in place by a.
1_0
spring retainer 55 or by an annular plate formed
with aA central opening 92
shoulder IIb.
and ` ‘ resting
om
_
.
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3. A writing instrument comprising a barrel,
a worm Within the barrel, said writing instr-ument
having ß nib, a tubular liner Áof compressible ma
terial within vthe barrel and contacted by thel
worm. and means at the rear end of the barrel to
TheV rear» end of writing point
' 90 partially projects into the opening 92. -The ‘ turn said worm.
_
>writing point is formed with a plurality of longi 15 4. 'A pen comprisinga' barrel, a tubular liner
tudinal grooves 93' through which the writing
medium may pass to“the front end of the point.
within` the barrel, a worm within the barrel and
contacting said liner. and a writing head .screwed
to the barrel and retaining said ltube in said
groove preferably terminates short of the
_front end of the writing point.
barrel.
»
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' In Fig. 6 there is shown a pen |0b illustrating 20
5. A pen comprising a barrel, a‘ tubular liner
another modified form of _the invention. The within the barrel, a worm within the barrel and
pen |0b is similar’to pen |0a except that it is
- provided with an ellipsoid shaped writing point
contacting said liner, a writing head screwed to
the barrel and retaining said tube in said barrel,
and a-ball point at the forward end of the writing
95 which has no grooves. The pen is provided »
with a member` 50a similar to member 50v except 25
" that at the opening it is formed with a_ plu-'`
rality of small notches 96 _to permit writing
medi-um to'pass through to the forward end of the
writing point 95.
head.
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'
6. A pen comprising a barrel, a tubular liner
within the barrel, a worm within the barrel and
l contacting said liner, a writing head screwed to
_
In Fig. 'l there is shown a washer 91 to replace 30
the spring 55. Washer 91 hâs >an annular flat
-plate formed with a central opening 91a on
_which the ball 00 rests. The writing medium À.
may pass through openings 98 in the washer, to"
the point.
35
In Figs. 8, 9 and 10 there is shown a pen |0c
illustrating yet another form of the invention.
»the barrel and retaining said Itube in said barrel, a
ball point at the forward end of the writing head,
and means at the rear end of _the barrel and con
nected to Ithe worm for turning .the worm within ¿
the barrel.v
f
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'1. A pen comprising a barrel a paste-like Writ
ing substance within the barrel, a tubular liner
within the barrel, a Worm within the barrel and
contacting said liner,- a writing head screwed to
The pen |0c is the same as the p_en |0 with the
the barrel and retaining said .tube in said barrel.
exception that there is substituted for »the closure
a ball point at the forward end"of the writing
4 means 10 a modified closure means |00. ‘I‘he 40 head, means at the rear end of the barrel and
closure means |00 comprisesa tube |0| at the
`connectedto the worm for turning the worm
front end of which is a diaphragm. The dia
`within the barrel; and means to prevent rotation
g phragm |02 has radial slits |03 to form segments .
of the- barrel in a direction to force‘this writ
|04. The diaphragm may be nxed to the front
ing substance back from .the ball point.
w end of the tube in any suitable manner. Tube
8. A pen comprising a barrela paste like writ
|0| is provided with an inwardly extending an
ing substance'within the barrel, a worm within
nular-rib |05. The rib |05 contacts rib 14 to pre
the barrel, a writing head at the front end of the
vent the closure means from coming oil' the pen.
barrel, a ball point the frontend of the ywriting
Also rib |05 may snap into .theannular groove
head, a worm within said barrel, and means at
491:0 retain the closure means in retracted po ` 50 the rear end of the barrel to rotate the Worm.
sition. The rear end of the tube |00 may be
9. A pen comprising a barrel a paste like writ
formed with longitudinal slits |06 so that .the
Jing substance lwithin the barrel, a wormv within
tube will have resiliency at the rib |05.- When
’ the barrel, a writing head at the front end of the-the tube |00 is retracted the segments |04 open
barrel a ball point at the front end of the writ
f up and the ball passes therethrough so it is ex 55 ing head, a worm within said barrel, means at the
posed fcr the writing operation. The rear end
rear end of the barrel to rotate the worm, and a
of tube |0| enters the groove 49 when lthe tube ' paste-like writing substance within the barrel
is retracted.
adapted to _be pressed toward the writing point
' It will thus be seen 'that' there is provided a g
upon turning said worm within said barrel.
device in which the several objects of this inven
60 Y, 10. A pen comprising a barrel> a paste like writ
' tion are achieved and which is well adapted to
ing substance within the barrel, said barrel hav.
meet the conditions of> practical use.
ing .an internally screw threaded portion at the
As various possible embodiments might be
front end, and a 'rear wall at its rear end, a worm
madeA of the above invention, and as4 various
, changes might be made` in the embodiment above a5 within said barrel, a stem at the rear end ofsaid
worm, said rear wall having a through opening,
set forth, it is to be 'understood that al1 matter
herein set forth or shown in the accompanying- . through whichl said stem passes, 4afn'iember fixed
drawings is to beinterpreted as illustrative and . to said stem-for turning said worm, a Ytubular
not in a limiting sense.
"
. writing head having `external Ascrew threads
Having thus described my invention, I claim as .m screwed to the screw threaded portion'of said
- new and desire to secure by Letters Patent:
l. A writing instrument comprising a barrel, a
worm within the barrel, said writing instrument,
~
barrel, an annular tip> member screwed to the
forward end of said writing head, ¿said tipi mem
ber being vcurved forwardly and inwardly and be
having a nib, and a paste-like writing substance
ing formed with a central opening, a ball within
within the barrel adapted to be pressed towards 15 said tip member, and means within the tip Vmem
l
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A
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2,409,134? f'
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b_er to retain the .ball at the opening in said ti
member.
11. A pen comprising a barrel a paste like writ
ing substance within the'barrel, said barrel hav
ing an internally screw threaded portion at the
front end, and a rear wall at its rear end, a worm
within said barrel, a stem at the rear end oi' said
worm, said rear wall having a through opening,
through which said stem passes, a member ñxed
writing lsubstance within the barrel, a worm
therein, a writing head attached to the barrel, a
' tip member attached to vthe forward end oi’ the
writing head, said tip member being formed with
a _centra1 opening at its front end, a writing point
within said tip member, and means to retain the
writing point partially projected through said
opening.
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13. Apen comprising a barrel a paste like writ
to said stem for turning said worm, a tubular 10 ing substance within the barrel, a member at
writing head having external screw threads
. screwed'to the screw threaded lportion of said
tached to the rear end of the barrel, a worm with
in the barrel, and rotatably mounted on saidl
member. and means on said member to rotate
barrel, an annular tip member screwed to the
forward end of said'writing head,_said tip mem
the worm within the barrel.
’
4 v
ber being curved forwardly and inwardly- and
- 14. A pen comprising a barrel a paste >like writ
being formed with a central opening, a ball with
ing substance within the barrel, a member at
in said tip member, means within the tip member
tached to ,the rear end of the barrel, a worm
to retain the ball at the opening in said tip mem
vwithin the barrel, and rotatably mountedon said
ber, and a tubular _liner within said barrel con
member, means on said member to rotate the
tacting the worm, said writing head having means 20 Worm within the barrel, a writing head attached
to contact the tubular liner to retain the same
to the front end of the barrel, and a writing point
within said barrel.
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,
A
>at the front end of said writing head. „
.
` 12. A pen comprising a barrel a paste like
.
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JON GREGG.
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