US3125071A - Tozaburo nakada - Google Patents

Tozaburo nakada Download PDF

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Publication number
US3125071A
US3125071A US83796059A US3125071A US 3125071 A US3125071 A US 3125071A US 83796059 A US83796059 A US 83796059A US 3125071 A US3125071 A US 3125071A
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US
United States
Prior art keywords
penholder
reservoir
usual
ball pen
ball
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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
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English (en)
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Publication date
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Publication of US3125071A publication Critical patent/US3125071A/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K7/00—Ball-point pens

Definitions

  • the present invention relates to improvements in a ball pen, attachable to, and detachable from, a usual penholder, characterized by the fact that the ball is supported at the top of an ink reservoir of conical or pyramidal shape, the cross section of which is not always circular, an afiixing portion of the ball pen to a usual penholder is provided at the foot of the reservoir, and moreover, a protection stratum against ink leakage is also provided at its upper position.
  • FIG. 1 is a longitudinal sectional side-view of an example of the ball pen, according to the present invention.
  • FIG. 2 is a sectional plan view taken along the line 22 of FIG. 1.
  • FIG. 3 is a front view of FIG. 1.
  • FIG. 4 is a longitudinally sectional view of another example of the ball pen according to the present invention.
  • FIG. 5 is a plan view of FIG. 4.
  • FIG. 6 is a longitudinally sectional side-view of another example of the ball pen, also according to the present invention.
  • FIG. 7 is a sectional View of FIG. 6, taken along the line 77.
  • FIG. 8 is a front view of FIG. 6.
  • FIG. 9 is a side-view of the ball pen, as shown in FIG.
  • FIG. 10 is a side-view, as shown in FIG. 4, which is aflixed to a usual penholder.
  • FIG. 11 is a side-view of the ball pen, as shown in FIG. 6, which is afiixed to a usual penholder, its longitudinally sectional plane being shown in chain lines.
  • FIG. 12 is a view showing another example, in which the shape of the penholder is like that of a pencil.
  • the attachment comprises a unitary ink reservoir and extension generally identified at 1, the lower end of which may be in the form of an inverted cone having a writing element, including a ball 2, secured to its lower end, as by screw threads.
  • This writing element includes an upward extension 3 shown as semi-circular in cross section, and is of the same size and shape as the extension of an ordinary pen nib, so that it may be attached to and detached from a conventional penholder in the same way as an ordinary steel nib.
  • FIG. 9 shows an establishment of the ball pen which is affixed to a penholder 6.
  • the ball pen of the present invention is provided with an alfixing portion to the penholder 6, and the shape of this afiixing portion is made circular, showing itself to be a modification of the present invention.
  • the ball pen of the present invention has an ink reservoir 1, the shape of which is transformed to conical, showing itself to be a modification of the original one.
  • the construction of the ball pen must be fully understood.
  • the shape of the ink reservoir 1 is conical or pyramidal, supporting the ball 2 at its lower end, having the afiixing portion 3 at its top, which is affixed to the penholder 6, and also the protection stratum 4 for ink leakage at the upper position of the ink reservoir 1.
  • the ball pen can be freely attached to, and/ or detached from, the usual penholder or fountain pen 6 as easily as in the case of usual penholders.
  • ink is preserved in the ink reservoir, according to the present invention, and hence, it olfers much convenience to the user of this ball pen.
  • the object of the present invention is to introduce a ball pen which can be as freely attached to, or detached from, a usual penholder or fountain pen, as in the case of usual penholders. Therefore, the length or diameter of the ball pen, according to the present invention, need not be very different from the usual penholder.
  • the ball pen can be attached to, or detached from, the usual penholder, with as much the same easiness as is the case with usual penholders heretofore.
  • the ball pen of the present invention is of such a construction that ink can be preserved in the ball pen itself. Namely, the ball is supported at the top of the ink reservoir of conical or pyramidal shape, the cross section of which is not always circular, and the a-flixing portion of the ball pen to the penholder is provided at the foot of the reservoir, and the protection stratum for ink leakage is provided at the upper position of the ink reservoir.
  • a writing instrument for replacing the usual steel nib in a penholder comprising a tubular thin-walled ink reservoir, a writing element including a ball point, said element being secured to the lower end of said reservoir in communication therewith, said reservoir including an integral upwardly-extending, thin-walled extension arcuate in transverse cross section, for insertion into the nibholding means of a conventional penholder.

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  • Pens And Brushes (AREA)
US83796059 1959-06-30 1959-09-03 Tozaburo nakada Expired - Lifetime US3125071A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2129359 1959-06-30

Publications (1)

Publication Number Publication Date
US3125071A true US3125071A (en) 1964-03-17

Family

ID=12051077

Family Applications (1)

Application Number Title Priority Date Filing Date
US83796059 Expired - Lifetime US3125071A (en) 1959-06-30 1959-09-03 Tozaburo nakada

Country Status (5)

Country Link
US (1) US3125071A (de)
CH (1) CH383210A (de)
DE (1) DE1292037B (de)
FR (1) FR1237401A (de)
GB (1) GB877340A (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3446564A (en) * 1967-03-31 1969-05-27 Dainihon Bungu Co Ltd Ballpoint pen for water-soluble ink
CN113303924B (zh) * 2021-04-29 2022-07-08 李德水 一种神经科手术区域画线设备
USD1023149S1 (en) * 2023-05-29 2024-04-16 Liangjun ZHOU Pencil nib
USD1049230S1 (en) * 2021-10-06 2024-10-29 Juanren Wu Painting pen tip

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9525691D0 (en) 1995-12-15 1996-02-14 Gillette Co Marking instruments
US6039493A (en) * 1996-10-08 2000-03-21 The Gillette Company Ball point pen

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1514519A (en) * 1922-04-14 1924-11-04 William M Harris Pen
US2511651A (en) * 1946-10-18 1950-06-13 Thomas R Schlitz Coin carrying identification tag
US2678634A (en) * 1946-01-05 1954-05-18 Henriksen Ernst Johan Jens Writing instrument
US2911950A (en) * 1955-11-07 1959-11-10 Freeman Nell Flexible writing instrument

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB416640A (en) * 1934-03-15 1934-09-18 Conrad Hanrott Improvements in pens
DE974174C (de) * 1946-01-05 1960-10-06 Ernst Johan Jens Henriksen Kugelschreiber
US2487340A (en) * 1946-11-23 1949-11-08 Kleinsmith Ben Revolvable-ball-point pen
DE802054C (de) * 1949-06-16 1951-02-01 Albert Nestler A G Schablonenschreibgeraet mit trichterfoermiger Schriftschablonenfeder

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1514519A (en) * 1922-04-14 1924-11-04 William M Harris Pen
US2678634A (en) * 1946-01-05 1954-05-18 Henriksen Ernst Johan Jens Writing instrument
US2511651A (en) * 1946-10-18 1950-06-13 Thomas R Schlitz Coin carrying identification tag
US2911950A (en) * 1955-11-07 1959-11-10 Freeman Nell Flexible writing instrument

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3446564A (en) * 1967-03-31 1969-05-27 Dainihon Bungu Co Ltd Ballpoint pen for water-soluble ink
CN113303924B (zh) * 2021-04-29 2022-07-08 李德水 一种神经科手术区域画线设备
USD1049230S1 (en) * 2021-10-06 2024-10-29 Juanren Wu Painting pen tip
USD1023149S1 (en) * 2023-05-29 2024-04-16 Liangjun ZHOU Pencil nib

Also Published As

Publication number Publication date
CH383210A (de) 1964-10-15
DE1292037B (de) 1969-04-03
FR1237401A (fr) 1960-07-29
GB877340A (en) 1961-09-13

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