JPS609689U - Erasable writing device - Google Patents
Erasable writing deviceInfo
- Publication number
- JPS609689U JPS609689U JP2024684U JP2024684U JPS609689U JP S609689 U JPS609689 U JP S609689U JP 2024684 U JP2024684 U JP 2024684U JP 2024684 U JP2024684 U JP 2024684U JP S609689 U JPS609689 U JP S609689U
- Authority
- JP
- Japan
- Prior art keywords
- core
- paper
- inner cylinder
- writing device
- notch
- 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.)
- Pending
Links
Landscapes
- Inks, Pencil-Leads, Or Crayons (AREA)
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案を実施した筆記装置の正面図。 第２図はその縦断面図。第３図はその横断面図である。 FIG. 1 is a front view of a writing device implementing the present invention. Figure 2 is a longitudinal cross-sectional view. FIG. 3 is a cross-sectional view thereof.
Claims (1)
維や填料粒子間のくぼみより大きく、しかし布製拭き取
り器の布目より小さい粒径を持つ顔料粒子を、石膏その
他の軟質結合剤と混和し、直径１ｍｍ程度の棒状の芯１
を形成させ、その芯１を、上端につまみ７がつき、切り
込み３を有する内筒２中におさめ、内面にねじ山６を切
り、内筒２の外方を囲む、筆軸５を設け、外面はねじ山
６に接し、中心部は切り込み３を通り、内筒２内に入り
、芯１の上端に接する、芯送り４を設け、つまみ７の外
面のみぞに接する、輪状隆起８を筆軸５の上端内面に設
けて成る、芯１により紙面に描かれた軌跡が、布製拭き
取り器により容易に拭き取られる、５消性筆記装置。Pigment particles with a particle size larger than the pulp fibers of the paper or the cavities between the filler particles but smaller than the grain of a cloth wiper are mixed with gypsum or other soft binders without breaking when drawn on the paper. , a rod-shaped core 1 with a diameter of about 1 mm
The core 1 is placed in an inner cylinder 2 having a knob 7 at the upper end and a notch 3, a thread 6 is cut on the inner surface, and a brush shaft 5 is provided which surrounds the outside of the inner cylinder 2. The outer surface is in contact with the thread 6, the center part passes through the notch 3, enters the inner cylinder 2, and is provided with a core feeder 4 that is in contact with the upper end of the core 1. A 5-erasable writing device in which a trajectory drawn on a paper surface by a core 1 provided on the inner surface of the upper end of a shaft 5 can be easily wiped off with a cloth wiper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2024684U JPS609689U (en) | 1984-02-13 | 1984-02-13 | Erasable writing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2024684U JPS609689U (en) | 1984-02-13 | 1984-02-13 | Erasable writing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS609689U true JPS609689U (en) | 1985-01-23 |
Family
ID=30151377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2024684U Pending JPS609689U (en) | 1984-02-13 | 1984-02-13 | Erasable writing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS609689U (en) |
-
1984
- 1984-02-13 JP JP2024684U patent/JPS609689U/en active Pending
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