JPS5829490U - Powder tray for blackboard - Google Patents
Powder tray for blackboardInfo
- Publication number
- JPS5829490U JPS5829490U JP12434781U JP12434781U JPS5829490U JP S5829490 U JPS5829490 U JP S5829490U JP 12434781 U JP12434781 U JP 12434781U JP 12434781 U JP12434781 U JP 12434781U JP S5829490 U JPS5829490 U JP S5829490U
- Authority
- JP
- Japan
- Prior art keywords
- blackboard
- powder
- powder tray
- groove
- tray
- 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.)
- Granted
Links
Landscapes
- Drawing Aids And Blackboards (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図は従来の黒板の正面図、第２図は本考案の黒板の
正面図、第３図は第２図の■−■線の断面図、第４図は
第３図の他の応用例である。
１１・・・・・・黒板、１２・・・・・・粉受け、１３
・・・・・・チョーク箱、１５・・・・・・粉受は溝、
１６・・・・・・前ガイド溝、１７・・・・・・後ガイ
ド溝、２６・・・・・・前ガイド突起、２７・・・・・
・後ガイド突起。
補正 昭５’１３．２
考案の名称を次のように補正する。
■黒板用粉受け
Ｏ実用新案登録請求の範囲
黒板用粉受け。
馬−
図面の簡単な説明−
第１図は従来の黒板用粉受けの正面図、第２図は本考案
の黒板用粉受けの正面図、第３図は第２図のＸ−Ｘ線の
拡大断面図、第４図は一部を切除した要部の平面図であ
る。
１１：黒板、１２：粉受け、１３：チョーク箱、１５：
取付部、１６：粉受は部。Figure 1 is a front view of a conventional blackboard, Figure 2 is a front view of the blackboard of the present invention, Figure 3 is a sectional view taken along the line ■-■ in Figure 2, and Figure 4 is another application of Figure 3. This is an example. 11...Blackboard, 12...Powder tray, 13
...Chalk box, 15...Powder catcher is in the groove,
16...Front guide groove, 17...Rear guide groove, 26...Front guide protrusion, 27...
- Rear guide protrusion. Amendment 13.2.1919 The name of the invention is amended as follows. ■Powder tray for blackboard O Scope of utility model registration request Powder tray for blackboard. - Brief explanation of the drawings - Fig. 1 is a front view of a conventional chalkboard powder receptacle, Fig. 2 is a front view of the blackboard powder receptacle of the present invention, and Fig. 3 is a view taken along line X-X of Fig. 2. The enlarged sectional view and FIG. 4 are partially cutaway plan views of the main parts. 11: Blackboard, 12: Powder tray, 13: Chalk box, 15:
Mounting part, 16: Powder catcher part.
Claims (1)
粉受は部を形成する粉受は溝と、この粉受は溝の前後に
相対して設けた一対のガイド溝とよりなるようにし、こ
のガイド溝は、チョーク箱等のガイド突起と係合して軌
道となりうる粉受けを有する黒板。The cross-sectional shape of the powder tray installed below the blackboard is
The powder catcher is made up of a groove and a pair of guide grooves provided opposite to each other at the front and rear of the groove, and this guide groove engages with a guide protrusion of a chalk box or the like. A blackboard with a powder tray that can be used as a trajectory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12434781U JPS5829490U (en) | 1981-08-23 | 1981-08-23 | Powder tray for blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12434781U JPS5829490U (en) | 1981-08-23 | 1981-08-23 | Powder tray for blackboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5829490U true JPS5829490U (en) | 1983-02-25 |
| JPS6323189Y2 JPS6323189Y2 (en) | 1988-06-24 |
Family
ID=29918216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12434781U Granted JPS5829490U (en) | 1981-08-23 | 1981-08-23 | Powder tray for blackboard |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5829490U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55136590U (en) * | 1979-03-20 | 1980-09-29 |
-
1981
- 1981-08-23 JP JP12434781U patent/JPS5829490U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55136590U (en) * | 1979-03-20 | 1980-09-29 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6323189Y2 (en) | 1988-06-24 |
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