US2871825A - Fountain pen - Google Patents
Fountain pen Download PDFInfo
- Publication number
- US2871825A US2871825A US631758A US63175856A US2871825A US 2871825 A US2871825 A US 2871825A US 631758 A US631758 A US 631758A US 63175856 A US63175856 A US 63175856A US 2871825 A US2871825 A US 2871825A
- Authority
- US
- United States
- Prior art keywords
- ink
- slit
- sucking
- feed bar
- outer shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K5/00—Pens with ink reservoirs in holders, e.g. fountain-pens
- B43K5/02—Ink reservoirs
- B43K5/04—Ink reservoirs flexible
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K5/00—Pens with ink reservoirs in holders, e.g. fountain-pens
- B43K5/18—Arrangements for feeding the ink to the nibs
Definitions
- an essential object of this invention is to provide a fountain pen of which ink overflow can be efiectivelyprevented even when the air contained in the ink sack expands remarkably.
- Another object of this invention is to provide a fountain pen having an ink sucking device which is very simple in its construction and is very simple and eifective' in its ink sucking operation.
- the fountain pen which comprises another shell provided with a tip hole for the suction of ink and supporting a nib thereon, a barrel attached to said outer shell at their screw-threaded portions, a tubular ink collector supported in said outer shell, a feed bar fitted in said collector, and an ink sucking device; said nib being provided with an air hole at its center portion; said ink collector being provided with ink receiving capillary cells therearonnd, a longitudinal narrow slit communi cated with said capillary cells, and an air channel formed at the position just under the above-mentioned.
- said feed bar being provided with a longitudinal cut portion forming a longitudinal ink sucking channel together with the inner surface of the ink collector, a longitudinal ink discharging slit, and another longitudinal slit which is communicated with said ink discharging slit through a communicating slit formed near the front end of the feed bar, said ink sucking channel being made to communicate with the above-mentioned tip hole through a cut slot which is formed at the front end of the feed bar.
- Fig. 1 is an enlarged view of longitudinal section of the outer shell of an example of this invention.
- Fig. 2 is a plan view of the nib in Fig. 1.
- Fig. 3 is a transverse section taken on line IIL-III' in Fig. 1.
- Fig. 4 is a transverse section taken on line IV-IV in Fi 1.
- Fig. 5 is a view of longitudinal section of the tubular ink collector in Fig. 1.
- Fig. 6 is a transverse section taken on line VIVI in Fi 5.
- Fig. 7 is a side view of the feed bar corresponded to the ink collector in Fig. 5.
- Fig. 8 is an enlarged transverse section taken on line VIII-VIII in Fig. 7.
- Fig. 9 is a longitudinal section of the barrel of the example in Fig. 1.
- Fig. 10 is a longitudinal section of only the ink sack and intermediate pipe including said sack therein, said sack and pipe being same with those in Fig. 9 and being in their states just prior to ink sucking.
- Fig. 11 is a perspective view of a resilient strip in the example in Figs. 9 and 10, said strip being used for pushing the ink sack.
- Fig. 12 is a perspective view of an end portion of the intermediate pipe of the example in Figs. 9 and 10.
- the outer shell 2 supporting a nib 10 thereon is detachably attached to the barrel 1 at its screw-threaded portion 2a, said nib providing with an air hole 18 at its center portion and with a slit 10a.
- a tubular ink .collector 3 In the outer shell 2 is supported a tubular ink .collector 3 and in this collector is fitted a feed bar 5.
- the ink collector 3 is provided with ink receiving capillary cells 4 therearound, a longitudinal narrow slit 16 which is made along said cells 4 so as to be communicated wtih said cells 4, and a longitudinal air channel 17 which is formed at the position just under the air hole 18 of the nib 10, said slit 16 being communicated with the cells 4 as shown clearly in Fig. 4.
- the feed bar 5 is provided with an end cut slot 12, a longitudinal cut surface 6 which forms a longitudinal channel 7 together with the inner surface of the ink collector 3, a longitudinal ink discharging slit 8, and a longitudinal slit 15 for the prevention or the nib from ink over flow, said slit 15 being communicated with said slit 8 through a communicating slot 11 such as shown clearly in Figs. 7 and l; and being positioned so as to be communicated. with the longltudmal slit 16 of the ink collector 3.
- the outer shell 2 is provided with a tip hole 14 and aslit 13a at its head portion 13 and with a packing 9 at its internal rear portion.
- the ink flows out through the ink discharging slit 8, the slit 13a of the shell 2 and the nib slit 10a. in this case, the air for filling ink space enters into the sack 19 through the tip hole 14, cut slot 12, and cnannel 7.
- the overnowing ink enters into the slit 15 through the slit 8 and slit 11 and then into the ink receiving capillary cells 4 through the slit 16 communicated with said slit 15, whereby ink overflow through the nib 10 will be effectively prevented.
- the air contained in the capillary cells 4 can be pushed out through the air channel 17 and air hole 18 of the nib- 10, so that the above-mentioned ink accumulation can be rapidly established.
- the channel 7 of the feed bar 5 When the channel 7 of the feed bar 5 is directly communicated with the tip hole 14, ink is liable to be scattered out due to any vibration of the fountain pen. According to this invention, however, the channel 7 is communicated with the tip hole 14 through the cut slot 12 which is perpendicular to both of said portions 7 and 14, so that the above-mentioned disadvantage due to vibration will be elfectively reduced.
- an intermediate pipe 20 and an ink sack 19 are concentrically supported, respectively, at their front opening portions by the rear portion of the shell 2 and rear stem of the ink collector 3.
- a resilient strip 21 provided with any suitable stop per, for instance, a ring-shaped stopper 24 at its one end and with a pad piece 22 attached therewith at; its center portion 23 is constructed so that it may extend norms-11y, but it may be bent as shown in Fig. ll by longitudinal pushing thereof.
- the resilient strip 21 and'pad piece 22 so that the stopper 24 may be stopped by the projections 24a of the pipe 20 and the free end 2111 of the strip 21 may be attached to a push-cap 25 which in turn is slidably put in the rear interior of the pipe 20; as shown in Fig. 9'.
- the pipe 20 is provided with a cutslot 26' at its rear end as shown in Fig. 12' and between the push-cap 25 and the inner end surface of the pipe 2t? is puta pusher 27 made of a ball or circular disc provided with a projection 27a and a fiat portion 27b, said projection 27a protruding out of said cut slot 26.
- the pusher 27 takes the position in which the flat portion 27b engages with the push-cap 25; the resilient strip 21' takes almost straight state, so that the ink sack 109 is maintained in its expanded state due to its elastic force.
- the-nibis immersed intoink and-the-pusher 27 is restored inthe' state" as shown in Fig.
- ink sucking can be easily carried out by mere turning of the pusher, so that the construction for the ink sucking is very simple and operation thereof is veryeasy and smooth, because sack pushing and releasing can be caused by mere turning of the pusher.
- a fountain pen comprising an outer shell, a barrel, means attaching the shell and barrel together, an ink reservoir in the barrel, a nib mounted on the outer "shell, a tubular ink collector supported in the outer shell, a feed bar fitted in the ink collector, and an ink sucking means, the said nib being provided with an air hole at its center portion mounted on the top portion of the outer shell and supported at its back portion by the upper end portion of the outer shell, the outer shell having at its free end a tip hole for sucking inkin'to the reservoir as well as for sucking the substituteiairftobe supplied into the ink reservoir during writing, the ink collector being provided with ink receivingcapillary cells therearound and a longitudinal narrow; slit communicatingwith the capillary cells togethenwith anair channel formed at the position immediately under the.
- the feed bar having a longitudinally cut portion defining a longitudinal ink sucking channel together with the inner surface of the ink collector, said feed bar having a longitudinally extending ink discharging slit and another longitudinally extending slit communicating with said ink discharging slit through a communicating slot formed near the front end of the feed bar and at the position under the collector, the ink communicating channel being in communication with the tip hole of the.
- the said components being combined so that the path used for sucking ink into the ink reservoir asv well as for sucking the substitute air into the reservoir during writing may be defined independently of the following ink discharging path by the tip hole of the outer shell, cut slot formed at the front end of the feed bar, air sucking channel of the feed bar and the ink reservoir, and an ink discharging path may be defined by the ink reservoir, longitudinal slit of the feed bar, the slit at the upper end portion of the outer shell and communicating with the said slit of the feed bar and the nib.
- the path used for sucking ink. into the ink reservoir as well as for sucking the substitute air into the reservoir duringwriting may be defined independently of the following ink dischar'ging path by the tip hole of the outer shell, cut slot formed at the front 'end" of the feed bar, air sucking channel of the feed bar and the ink reservoir, and an ink discharging path maybe defined by the ink reservoir, longitudinal slit ofthe feed bar, the slit at the upper endportion of the outer shell and communicating with the said slit of the feed bar and the nib, the inksucking means including an intermediate pipe elongated in the barrel and having a spherical rear end provided with a cut slot, an ink sack concentrically arranged in the pipe, the pipe and sack being supported in an airtight manner at their front opening portions on the rear parts of the outer shell and ink collector, a push cap slidably, positioned'in the rear interior of the pipe, a resilient strip normally extending in a straight line, a stop
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pens And Brushes (AREA)
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP809236X | 1956-01-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
US2871825A true US2871825A (en) | 1959-02-03 |
Family
ID=13731928
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US631758A Expired - Lifetime US2871825A (en) | 1956-01-18 | 1956-12-31 | Fountain pen |
Country Status (3)
Country | Link |
---|---|
US (1) | US2871825A (fr) |
FR (1) | FR1171431A (fr) |
GB (1) | GB809236A (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6599047B1 (en) * | 2002-11-01 | 2003-07-29 | Wen-Shiung Lin | Pen |
WO2011146797A3 (fr) * | 2010-05-20 | 2012-01-12 | Sanford, L.P. | Instrument d'écriture et unité de cartouche d'encre |
US9370959B2 (en) | 2012-12-06 | 2016-06-21 | Europe Brands S.à.r.l. | Refill plug release assembly and writing instrument comprising same |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR628272A (fr) * | 1926-02-05 | 1927-10-21 | Perfectionnements apportés aux porte-plumes à réservoir ou à remplissage automatique | |
US2158615A (en) * | 1937-07-26 | 1939-05-16 | Sheaffer W A Pen Co | Fountain pen |
FR1119961A (fr) * | 1954-03-04 | 1956-06-27 | Vulpenhouderfabriek Union Nv | Adducteur d'encre pour porte-plume à réservoir |
US2766728A (en) * | 1950-07-15 | 1956-10-16 | Kovacs Theodor | Fountain pen |
-
1956
- 1956-12-31 US US631758A patent/US2871825A/en not_active Expired - Lifetime
-
1957
- 1957-01-08 GB GB709/57A patent/GB809236A/en not_active Expired
- 1957-01-17 FR FR1171431D patent/FR1171431A/fr not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR628272A (fr) * | 1926-02-05 | 1927-10-21 | Perfectionnements apportés aux porte-plumes à réservoir ou à remplissage automatique | |
US2158615A (en) * | 1937-07-26 | 1939-05-16 | Sheaffer W A Pen Co | Fountain pen |
US2766728A (en) * | 1950-07-15 | 1956-10-16 | Kovacs Theodor | Fountain pen |
FR1119961A (fr) * | 1954-03-04 | 1956-06-27 | Vulpenhouderfabriek Union Nv | Adducteur d'encre pour porte-plume à réservoir |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6599047B1 (en) * | 2002-11-01 | 2003-07-29 | Wen-Shiung Lin | Pen |
WO2011146797A3 (fr) * | 2010-05-20 | 2012-01-12 | Sanford, L.P. | Instrument d'écriture et unité de cartouche d'encre |
US9199507B2 (en) | 2010-05-20 | 2015-12-01 | Europe Brands S.à.r.l. | Writing instrument and ink cartridge unit |
US9370959B2 (en) | 2012-12-06 | 2016-06-21 | Europe Brands S.à.r.l. | Refill plug release assembly and writing instrument comprising same |
Also Published As
Publication number | Publication date |
---|---|
GB809236A (en) | 1959-02-18 |
FR1171431A (fr) | 1959-01-26 |
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