close

Вход

Забыли?

вход по аккаунту

?

код для вставки
Nov. 29, 19.49
- v. H. sEvERY
2,489,983
FOUNTAIN PEN
Filed Feb. 14. 1944
4 Sheets-Sheet 2
Nov. 29, 1949
V. H. SEVERY
2,489,983
FOUNTAIN' PEN
4 Sheets-Sheet 3
Filed Feb. 14, 1944
_-I2:»7:. .Il.
ÈÉ.
Nov. 29, 1949
V. H. SEVERY
2,489,983
FOUNTAIN PEN
Filed Feb. 14, 1944
4 Sheets-Sheet 4
45»
N» ¿MMM
Patented Nov. 29, _1949
2,489,983
UNITED#
or; Flies.
m4893833
VictonrH.- Severy; Atlanta, Ga., assignor to Scripta,
Inc.; .al corpocatìon of: .G«e0.1rgia.=>
Application Februaryj‘í,”1944,“Sérial Noj. 52,2;351'
131Claims¿.í (Cl.î1201.-.52`) l
" The »inventionrelates-»to Áfountain pensandßhas-`
as «an objectfthe improvementofi/devices 'of '-tliis‘»l
character in`-- several import-ant particulars.
Among the objects ofetheß-invention are:` Toh
As shownfth‘e device» comprises «abarrel‘ 2l?" and “
aecap »2 I~f-icarrying -a cl'asp?Z-“afñxed VtheretoV in
atmanner to -b'efdescribed.I A's=shoWn~-iirFigs.- 2“
andifâ; thewbarrelßcomprises ahood---portion 23-`J
provide improved~ means-to feed ink toithe pointÍ 5 extending downwardly-over» the ~ -nib'- so- that only"
ofthe nib so-as‘to'secure'certainty ofßmarkingç’
a" veryl f small’ f portion» thereofY is > ‘exposed Lto» the
toflprevent iiooding; to-improve lining; -tof->im~---- - atmosphere» and iprovidingga»vvr-itingf- instrument f
provev assembly .oi iparts ;- to improve:coaction'bee».
vrhich mayv be.graspedasnear'tothe-‘point as mav‘l
tvveen cap and pen; tol-avoid use orscrew threads:
b'efdesiredli The partsaarehso#shaped-aste permit~-~`
between-:cap .and peni; to A»improverth‘e claspçfto'ff' 10
improve the nib.
Morespeciñc’ally; `objects: of the invention-are.:
To provide auxiliary reservoir .means‘inthe-hoodkf
which surrounds-the feed-'bar and cooperating
ofslio’lding..tl-1e;l pen» in~asÁ` flat rarwvriting' angle as»
could:."p'e'desirednÍ
Assclearly showneineFigsß and~ 6,-4 th'e barrel-‘i
2 ilficomprisesuthe h'ood zporti’om 23 fandL ’a v reservoir~~
portinnzzZ-t: Toi: connect ë-the~fsaid ‘portions and~to~
reservoir means Ain .the feed bar Yitself >to Ycon-15 retainainteriom partstini .placef‘tláiere is-:shcvvn a~=
serve». excess ink .and..to< givesit out as neededàl `to~
provide4 the auxiliary reservoir means 4.referred to.y
and to. connect 'them loymeanslofl a >vent lopen »tos
the atmosphere. andi: connecting»l with‘la-irf- venti:
Connector for.; union i 2‘5'b1exteriorly“^ screw rth'readedlì
at."[email protected]'.at 21 inf`
the hood andr‘atâZßjn thelreservoirportion
'llosprovide meanssfor retaining<thefcap 2l in\
means. extending s into the. main: ink~r reservoir;v to» 20 this;;form.-ofi fthe :inventions thereig shown 4a . rina
provide a structure-designed for production-fond
high: speed . special.. machines and l‘involvingfV as
minimum of assembly labor.; toiprovidenacapd
or :Washer .§29 which 4.s1ips.~¢freely;». over :the serexvf.Y
threads 26 and provides a sealing @fit Withï-th'e'
endaoffithemoodfas. atçßüf: Tlieropposite side of
having; effectualseal-ing. means to.l coact ‘2vvitln`=` the
the~washe1rf~2€l3ìs shownzasfformedfnpona slight.;
barrel. or .hoodzuof theI pen: and. .means to iretainagö
the -cap withoutïthehse of .screW=wtl:1reads...
'Further objects.. will? appear .froma .thesfollowinggf _
descriptiony whenread` inrconnection‘withi the ac'-‘~~
allele ¿as iindicated . at ßfi-ßsandzthe fend; oi; the. res- »-
companying drawing. shovvingï; illustrative: em~.~
inv-centering.;thefring. . Thelconnector 25is¢proe~
bodiments of ,the invention'. and wherein: .
Vv30
Fig. ,1 is asideelevation of theipenzvwith".therv
cap in place .drawnito afsìightly .en‘l‘argedlscalea
Figs. 2 and 3 are side elevations withnthefcap»
removed viewing the pen-` from .oppositelsìdesn
Fig. 4 is an end view of` the‘interiorof the.cap,.1-. 35
the clasp being omitted..
Fig. 5 is a detail'longitudinal sectionto `a mucha'.
enlarged scaleshowingthe writingrlend' of'A the.V
'
ervoir member ¿24.is vfornzuedfupon;a complementari.;
angle ¿withg the ‘,resultrthat. [the screwingI :home ofÁ 1
the;greservoiiumember»againstgithering :willi assist.;
vided, .with »a/»vreduce,dgendê sportion». .i2> whichymay..`~
receive van. ink;_-:sack1ifg.such~?_orm 'of- ink container
utilized. _ Alsof,- [email protected] connector; is .shownf- >ass;
formed~ with.-,an..internal.shoulder 33. to coact.
with ashoulder îllpQn-the ¿feed-.bar 34‘» as will be:
explained..
. The ho_od..23_p__:is ‘.alsolrshown'fas , formed Withmagf.
plurali,tv_.ofY cuts ßr~=ce1ls 35,l 36,«and..3'l. [email protected]
the number .and l size . oithesefcells ; is Ínot critical :l
pen with the capçin place.
.providedonly that they are not too large for capil
Fig, 6 is a section similar.to.;Fig_.i. 5:»takeniat3‘.
larity.«withv the y-inl«;»-;us.ed;. it4 is found that with;
40
right angles thereto.
Writing ffluid. ,Otmar-1. .average` viscosityv which vis‘-,y l
Fig. 7 is a side elevation of the feedbar.
cosityy depends: on the
„value-and Which iss
Fig. 8 is a plan View thereof.
foundtobe Vpresent-when `the pHfvalue is. loetvveenx-l
Fig. 9 is an end view taken from th'erightsof. _`
7 and„10,..the„number .and Widtlfnof, thelcells opere..
Fig. '7.
1.45 atesatisfactorilyif- ther-.eeare provided seven of i
Fig. 10 is an end view taken` fromthe left lof.;
the. cells.~35 each;.substantially'l~,010”v Wide; sub-.r5
Fig.A '7.
Figs. l1 and l2 are transverse sections .on .thee
stantiallvsix .ot ,the Y„cellsvßtslof a/.zvvidth substan»
tia11y,..00.85.’,-’ and substantially-seven of; the cells
corresponding section .lines of Fig. .8..
3T. .each of a.~.widthrof '.substantial1vz00'7” andif i
Fig. i3 is a View similar to Fig.,öshowinganwm theedistancelof the~.front cellgnearest thewritinfâí;I
alternative form.
point from»:the .point et lthe feed bar zis-fsubstans»Y
‘
Figs. 14 and 15.are topand bottom plan. views». tially;.400l,".
respectively ,of .the nib: drawnv tov a` still .furti-1er.
Thefeedbanshown» imdetaiLinEigsü to ,12 inf-.1i
enlarged scale.
elusive »is madefof. afsubstance .which-Will not bee;
Fig. i6 is a side elevation' ofthe nib,:~and
atfected'bylthefink .andfwhich isgeasily» acted upon:l
Fig.. 17 .is an end. view~ seenffrom` the` 'lowerfiend
bymachinedools.; Onasubstanca-Which. has been*v
of Fig. 14.„
found satisfactoryiis anraerylic plastic resinuandf'~
2,489,983
4
3
specifically methyl methacrylate has been found
the cuts 35 with the exception of the last 4 or 5
thereof.
eminently satisfactory as it will not swell even
after long use which swelling would distort or
change the size of the ink passages and fissures.
As shown, the feed bar 34 is formed with a circu
lar bore 38 which as shown is counterbored for
reception of a vent tube 39 to extend into the ink
To coact in sealing relation with the outer sur
face of the hood there is shown a ring 60 in the
cap, the angle between the cap and hood being
substantially an included 5° or well within the
angle at which a seal once formed will not slip,
reservoir and adjacent the upper end thereof
when the pen is in use or is being filled. The feed
which angle with the material under considera
tion is critical at substantially an included 6°. To
bar is also formed with an enlarged portion 40
hold the cap upon the body of the pen without
the use of screw threads, the washer 23 is shown
providing the shoulder 33 already referred t0 and .
a shoulder 4| for engagement with the shoulder
' -as formed with an outer rounded surface and a
recess 6| is milled upon the interior of the cap to
coact therewith. The opening of the cap is
Surrounding the feed bar there is shown a plu
rality of circular cuts 43, 44 shown as comprising 15 slightly in excess of the outer diameter of the
ring 29 and the interior diameter of the cap at
a total of 18 cuts. The number and size of these
the ring is somewhat less than the outer diameter
cuts are not critical but it is found that eleven of
of the ring. To permit the skirt of the cap to
the cuts 43 each .022” deep and seven of the cuts
expand to slip over the ring, kerfs 52, shown as
44 each .011” deep, the cuts being .010" wide and
spaced apart a distance of .020" will give good 20 three in number, may be formed with a very thin
saw. The recess 6I is of excess axial length to
results with ink of an average grade of viscosity
allow for wear in ring 60.
and when combined with the remaining capillary
The clasp 63 is shown as terminating in a ring
and vent passages as will be described.
64 set upon the end of the cap and held in place
Crossing the cuts 43 and 44 and extending lon
gitudinally of the feed bar from an opening to 25 by means of a rivet 65 expanded as at 66. To
prevent revolution of the clasp upon the cap a
the atmosphere as indicated in Fig. 10 and ex
recess is formed at 61 in the cap and a lug or
tending into communication with the last cut 43
as indicated at 45, Fig. '7, there is a longitudinal 4 enlargement 58 is formed on the ring 64 to enter
the recess 61. The clasp is formed at 69 with a.
channel 45 which is slightly greater in width but
less in depth than the cuts 43, 44. The depth 30 cam surface 10 to provide slightly greater re
sistance to removal.
of the channel is desirably .008” and its width
In `the form shown in Figure 13, the connector
.030”. The fact that the channel 46 is greater
V25’ has screw threaded coaction with the skirt
in width but less in depth than the cuts 43, 44
of the hood 23’ and the reservoir portion 24' of
causes the ñlm strength of the writing fluid in
the pen has a slip fit at 1I with the connector
the circular cuts to be weakened and as ink is
25’. The feed bar 34’ is extended to a screw
drawn from the reservoirs 35, 36, 31 it may be
threaded projection engageable by a nut 12 to
replenished from ink in the cross cuts 43, 44.
hold the parts in assembly. In this form of the
The bore 38 is shown as terminating in a passage
invention there are illustrated screw threads 13
way 41 extending to the surface of the feed bar
40 upon the portion 24’ engaging with internal
under the nib 48.
42 in the hood.
,
The nib is formed upon the arc of a circle hav
ing an outer radius the same as that of the feed
bar and ñtting into a recess milled in the upper
screw threads upon the cap.
The nib 48, as shown in Figs. 14-17 is formed
for long life and to conserve valuable metal. To
this end, a gold point 15, preferably 14 karat
edges lying against shoulders 49, 50. The nib is 45 gold, is welded to a non-corroding base metal
body 15 as at line 11. Appearance alone could
shown as formed with an upwardly extending lug
be secured by gold plating the point portion 15
5l which ñts in a recess 52 formed ìnteriorly of
part of the feed bar in which it closely fits with its
pressed thereagainst by the end of the connector
.I but in such practice it is difficult to plate the
edges of the slit 59, which if not solid metal or
under the nib to the point 5B but milling of the
space for the nib reduces its depth thereunder
writing, releasing fluid to flow outward from the
writing point of the nib to the writing surface.
the hood 23 as clearly indicated in Fig. 5 and is
25 when the parts are screwed together. The nib 50 plated would eventually corrode and destroy good
operation.
is therefore prevented from any motion of revolu
The tip 18 is provided with a hard tip, as
tion with respect to the hood and because of the
fit of the nib upon the shoulders 49, 50 the feed bar e Ruthorium alloy, in the usual manner. The cen
tral portion 19 of the under surface of the nib
is prevented from any motion of revolution. The
nib is also formed with an opening 58 from which 55 is highly polished and the side portions 30, 8l
are shown as sanded in accordance with known
opening a slit 59 extends to the writing point.
practice, to improve feed of ink to the slit 59 and
Extending longitudinally of the feed bar from
to the writing point.
a point 53 substantially .050” from the end there
Operation
of and continuously to the reservoir end there
are shown a pair of capillary cuts 54, 55 between 60
The operation of the modern fountain pen de
which, from a point 56 adjacent the most forward
pends on the creation of a hydrostatic balance
0f the cuts 44, there is a wider and shallower cut
of fluid in the capillary passages and fissures of
51. The cut 51 as shown extends continuously ‘ï the pen which balance is upset by the act of
and this space as well as cuts 54, 55, are in com
looding occurs when the hydrostatic balance
munication with the hole 41. The cuts 43, 44 are
fails, or does not properly control ñow from the
also milled away in the shaping of the nib recess " Ypoint of the nib.
and the cuts 44 under the nib are substantially
In the pen of the present invention the only
only .001” in depth. The recess for the nib is 70 passages or fissures which open to the atmos
allowed to die out in its portion beyond the nib
phere are the slit of the nib leading to the point,
as clearly indicated in Fig. 5 to preserve strength
and the air Vent at the bottom of the feed bar.
in the remaining portion of the feed bar. The v' These are both of capillary size.
cuts 43, 44 are in substantial registry with the
Considering carefully the above description and
cuts 36, 31 in the hood and communicate with 76 explanation, the ñow of writing fluid to the writ
' [email protected]
5 ,
ing «fpointfÄV in l my~\invention,« takes -f-»place-*fas 4for» as.
lows;«thea-main.~reservoir'sin the barrel or'fsac
supplies-¿the ink to »the openingducts in thefeed
Thelcapillary--vchanneland the airvent admits Y.
andby'èpasses. some fluid. to the `main feedchan-r»
nel. `Although the quantity depends upon the-.1.:V
heightof ñuid in themain. reservoir, inverting to
6 i»
thefreargcellsfdue to theflowerjß?uidr?llm'vstrengtlt
of theflarger f-front cells; i».
Itwill -be seen that theAfi-lmstrength :is greate?ite
in the small cells near the upper end-xsf` theibarrnì
`-than-in theflargercells inear- the lower »end >of' the
penpointforfend of vfeed bar. yThe ?luid;:wi1l- :beers
conductedfbackrtoward the reservoir 'becausef'the’
writing position allows somel ink in the vent‘pipé», .„ fluid film above will not break until the-«'lowexf-.s-.e
to flow` toward> the feed channel, until a bal-.j
cella-nearestY the :writing point have emptied. ß.
ance is effected between the air entering thefvent
c3 In «they actief `filling. the penthe auxiliary cells-ès.
hole‘in'the ’fee’d„to the vent tube; when the re- ,
ñllfñrst then the reservoir.~ „It has »beenvfoun
maining fluid in lthe vent pipe ñows in «the opp0-„, »
beneñcial. to instant- writing.r to `eject ~ a drop~=--0r
siteiway, admitting air to the reservoir. The fluid Í
passing down the :main'channel‘ and capillaries if.
on'e‘achside'of theichannel‘ño'ws outwardly from;
thèitra‘nsverse channels >in the feed bar under‘the’”
twolofwriting fluid asrthepen is withdrawnîfro
the'. writing huid-container and to wipe Vthe sidesf. g
writing nib to the cells nearest‘the reservoir end: '“ n
the
writing
Thfé~fñlling1ofthe
-flui’dpoint
attraction
takescells
place
`is not
in next
the
as 'great
front
but slowerb‘ecause
or
at nearer
this‘p‘oint"l
the
dué’- tof‘greater width-of the -lower cells andthe
laclríof conducting channels under the lower‘end- i
of the-feed bar and the nib. f 'Ilheñlling of these
(310th:v f
My- invention' employs the~ñuid 'valveël‘locki-‘e
principle -inñlling theireservoiriofthe :pena -Theä L
inkacl'iannel:y and capillaries provide _more ~«fric~„
vionalß‘resistancefor.` the ink-.than ~the airportorY
vent tube. In filling» and` on the .expelling stroke
of .=any= usual pumpingV device utilized for .ñllin
the reservoir there .will-be a more rapid expulsionv
cellsltakesuplace more fslowlya‘s well as the 'mid-‘75% of ethe air~»infthe reservoir than displacement;'of` .
dleï'f'cells.:` VThe conducting'channel on I:the lowerf'` ¿ink-waiter several »pumping actions the inkrapidmf
sidefifof f feed »barwopposite'.thev nib furnishes ‘a f
ly .gains-„in -vvolume within l the. freservoir which;V
channel conducting' the writing fluidto and aways:`v quiclclyfills.~ »A .
from' thesefront cells.`v y
At 85, Figure 5, there is shown a passageggo
capillari/„size cutting 4kacross~»«the. annular` slotsf35f»
lows’ethefgnib
Furthermore,
or writing
in my invention
unit to lie the
in adesignfal#
deforma».`
tiorrf‘on‘fthe top of the feedA bar,wcomp1etingfatruecornp'act
shell bore. Although
circularthe
barnib
--fitting
member
tightly
has into
a radius
lthe
equal-rta the feed- bar radiuspboth `on the inside;
as well as outside‘of lthe nib member,«the writing»
fluidi-»by capillary action r along this space be-'flv
tween lthetwo surfaces».flows-‘outward to the
widerv cellsat‘the writing end, and `empties’?lrst.::„\;
when vthe demand is made during writing.
'Ilhelwritingñuid iindsits path alongthe _nibgm
slit
contacts
v,to thewith
extremity-_the
the writing point
surface.
vof theAs nib-and
Vthe flow...v
of fluid Ã-takes place air is admitted through the._.„-:.
vent4 hole 41 klocated in the upper partof thélf.
feed bar- adjacent to the nib; this air liowing.
point of the hood». This passage »is in/regist~
with the slit of theA nib and :passesabovefand :inl
communicationwith `the îopening. 58gof the nibll
The Áuseof this passagezìs optionalandfwill Vbe?
advantageous particularly witnpensdesigned lto
write heavy lines. „It acts 4with¿channel¿lli as [email protected]
additional air vent' to conduct air seeping in above
theï‘nib. as ink is drawn in writing from below the.
nib;»..It ïmay also, under- some conditions, serve`
_l as vîan„additior1al supply of ink to lthe slit" of th
nib from' the auxiliary .reservoirs provided by slots`
35,"vvhile vent’air is entering through channell 4B
Minor 'changes `may be- made -in ' the`v physica
embodiments of thei‘invention within the scop
_of .the` appended claims'without 'departing fróm,.
fromV ‘the fissures and cells to the upper reservoir... the‘spirit'of the invention;` “
ñrst -and later fromV the lower by-pass channel“`
I claim as my inventionzi‘ Y.
in the‘feed bar, connected with the atmosphere 'L
1. A `fountain ’penicomprising .in combi?a-.,.»;=»
to and up“ through the' airvent pipe to theîtop‘
tion: "a shell member .formed .with annular`> capili .
of thereservoir, thus balances the atmospheric'
pressure,`due to the outward flow of writing'fluid.`
liaryìslots
closelylïñttin'g
in 'its"`inner.surfaëe;.
the'.` interior> of `Asaid
a feedA
. shell.;Á
bar membeií
one of „
My invention provides a check valve to‘preJ'"
saidmembers
formed
with
a
longitudinal'lc'apilßäflA
vent flooding.' `This action of flooding, caused
lary passage placing said' slots' in Vcommunication
by several well known actions,A can occur when
the auxiliary cells are partially or wholly emptied 55 one _of said members formedwith'a .nib receivin
by ¿the ¿action of writing.' In ‘this case the fcellsïI :"recîess;r a nib seated ins'aid recess with a surfac
would fill in part or completely until'the balance-"fe thereof exposed to the interior. of said slots; an ,
meansin said, shell to supply link to saidislotsgfn,
is reached. Howevelg-'if these cells are full, such
capillary passage rand nib."
position'
as mightwithout
occur by
writing,
holding
thenthe>
thepen
fluid
in tends
writing
'to
v 2. A fountain pen comprisingjin combination: ‘.
sofi
fillitçhe lower cells- completely, andrneeting the“ ä’- shell 'member formed'with' annular ,capillar’
slots " in 'its inner surface; a feed bar membe .
well 'known edge eiiect of the cell chambers, 'write'
ingj;` nib, vand air intake channel, automatically'y
closely'flttlng the interior of the'shell'a'nd'form‘ed `
with-annular capillary slots in its> periphery, cer
tain'of which register withlthev slots of the’shell
raises the pressure factor or’íiuid tension, against
which the'expansionl has to contend, andjfurf-í' 65 ¿éne‘ of Isaid-members Y formed- with a longitudine.
the'rç-“and'at the same instant` shutting off'all', capillary passage placing said slots in communi’
airjventing, preventing a returnfof air to thevv cation';1‘one1of saidrnembers formed `vvitha nib
main reservoir.
receivingrecess;2 a nib seated in said recess with"
considerably
It is’readilyand
seenhas
that‘in
vthemy
fluid
invention
friction metithe'ï
israised‘ 70 a surface thereof exposed 'to theinterior of 'sai
fislot‘sgß'and means 'in said'shell to >'supply ink-‘to
normal flooding problem. When this pressure'in
theî'reservoir subsides the‘writing fluid is “drawn”
up lolut' of thev airv channel inthe feed barjwith»,`
releasing
considerableÍ
theirink
ink’ in“
supply
the" front’
more easily
cells,‘ and
thesebefore
' cells”Á 75
2,489,983
8
7
of the nib; said bar also formed with a longi
tudinal capillary passage from a position closely
adjacent the nib end to the reservoir end there
of passing through said nib recess and communi
eating with the vent bore at its slot communica
tion.
4. The structure of claim 1 in which the slots i
nearest the writing end of the pen are of greater
axial extent than certain of the slots more re
mote therefrom.
‘ 5.«The structure of claim 1 in which the ca
pillary passage is in the portion of its member
opposite the location of the nib and opens to the
12. A feed bar comprising: a substantially
cylindrical body formed with an enlarged cen
atmosphere.
6. -A fountain pen comprising, in combination:
tral portion providing oppositely facing shoul
a shell member formed with annular capillary 10 ders; said body formed with a longitudinal re
slots in its inner surface; a feed member closely
cess in its surface for receiving a nib and taper
fitting the interior of said shell; one of said
ing to a point located at the center of the re
members formed with a longitudinally extending
cessed surface; said body having a central vent
recess; a longitudinal capillary passage in one
bore extending from the end thereof opposite
of said members at one of the opposed surfaces 15 said point to a position midway of its length
thereof, opening to the atmosphere, and placing
and a transverse passage at said mid length end
said slots in communication; a nib formed with
to the surface of the body; said body formed with
an opening and a slit extending from said open
spaced capillary grooves from a point closely
ing to the point thereof; one of said slots regis
adjacent its point to the opposite end, inter
tering with- said opening; and means in said shell 20 rupted by said transverse passage, and with a
to supply ink to said slots and nib.
shallow groove communicating laterally with
7. The structure of claim 2 with a longitudinal
said spaced grooves and cut to a less depth; said
capillary passage in said feed bar extending un
shallower groove terminating intermediate the
der the nib from a point closely adjacent said
length of said nib recess; said body formed with
nib opening and across the annular slots in the 25 a series of annular peripheral slots, at least one
feed bar; and with a Venting capillary passage
thereof cutting into said transverse passage,
opening to the atmosphere and cutting across
certain of said slots cutting through the bottom
Said slots.
of said nib recess; and said body formed with a
8. A fountain pen comprising, in combination:
longitudinal capillary slot extending from said
a shell comprisinfr a hood portion and a reservoir 30
portion; said hood portion formed with a feed
bar and nib receiving bore portion and a larger
internally screw threaded portion joining at an
internal shoulder; a feed bar housed in said shell
and closely fitting the ñrst named portion of said
point end to communication with the annular
slot which is in communication with said trans
verse passage.
13. A fountain pen comprising, in combina
tion: a shell member; a feed bar member closely
fitting the interior of said shell member; a nib
bore, and formed intermediately of its length
with an enlarged portion presenting oppositely
rigidly confined between surfaces of said mel -
bers with only its point projecting from the
facing shoulders; a connector formed with a
shell; the longitudinal central portion of said
bore presenting an internal shoulder and with
y nib having a polished surface, and side regions
external screw threads to coact with said ñrst
of said nib bordering said polished surface rough
named screw threads; said connector acting
ened as by sand blasting; said roughened surface
against one feed bar shoulder to press the re
contacting its confining surface only at the
maining feed bar shoulder against the internal
eminences thereof whereby to provide capillary
shoulder of said hood portion; means providing 45
passages among said eminences leading from the
intimate non-slipping engagement between said
edges of the nib to said polished portion there
reservoir portion and an extension of said con
of; capillary fissures in at least one o_f said mem
nector; a nib confined between said feed bar and
bers at the edges of said nib and in communica
the interior of the hood; and means to feed ink
tion with the capillary passages of said rough
from the reservoir portion to the point of the nib.
ened surface; and means to supply ink to said
-9. The structure of claim 8 with a laterally
fissures.
extending lug carried by said nib and confined
against the interior shoulder of the hood portion
by ~said connector.
VICTOR H. SEVERY.
_
REFERENCES CITED
A1,0. The structure of claim 8 with a washer 55
The
following
references are of record in the
confined between the opposed ends of said shell
file of this patent:
portions and formed with an annular rounded
surface projecting from the surface of the shell.
UNITED STATES PATENTS
1l. A fountain pen comprising, in combina
Number
Name
Date
tion: a shell member formed with annular ca
pillary slots in its inner surface; a feed bar
closely ñtting in said shell, formed with annular
capillary slots in its periphery and with a larger
60 Re. 9,890
than-capillary bore in its portion remote from
the rnib end thereof and in communication with 65
certain of feed bar slots remote from the nib
end of the bar and opening to an ink reservoir; a
plurality of the feed bar slots nearest said bore
exceeding in depth the remaining thereof; said
bar formed with a nib receiving recess cutting 7.0
across said bar slots; a nib seated in said recess
and formed with an opening registering with at
least one of the shell slots nearest the point of
the nib, and with a slit extending to the point
109,257
631,824
734,116
832,981
836,905
Cross ____________ __ Oct. 11,
Schifferle ________ __ Nov. 15,
Robinson ________ __ Aug. 29,
Blair ____________ __ July 21,
Kennedy __________ __ Oct. 9,
Whitehouse ______ __ Nov. 27,
1881
1870
1899
1903
1906
1906
1,313,056
Blackwood et al, ____ Aug. l2, 1919
1,613,812
1,825,090
1,950,364
2,016,106
2,107,150
Wahl ___________ __ Jan. 11,
Reis ____________ __ Sept. 29,
Moore ____________ __ Mar. 6,
Dahlberg _________ __ Oct. 1,
Heising ___________ __ Feb. l,
Dahlberg ________ __ May 15,
2,375,770
2,282,840
1927
1931
1934
1935
1938
1945
Wing ____________ __ May 12, 1942
Документ
Категория
Без категории
Просмотров
0
Размер файла
934 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа