JPS5853691U - Synthetic resin blackboard frame with thin grooves - Google Patents
Synthetic resin blackboard frame with thin groovesInfo
- Publication number
- JPS5853691U JPS5853691U JP14988181U JP14988181U JPS5853691U JP S5853691 U JPS5853691 U JP S5853691U JP 14988181 U JP14988181 U JP 14988181U JP 14988181 U JP14988181 U JP 14988181U JP S5853691 U JPS5853691 U JP S5853691U
- Authority
- JP
- Japan
- Prior art keywords
- frame
- synthetic resin
- lower frame
- blackboard frame
- thin grooves
- 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
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図は成形時の要因、第２図第３図は部分詳細図、第
４図第５図第６図は使用例図。
１−・・上枠、２・・・横枠、３・・・下枠、４・・・
凸起、５・・・取付孔、６・・・内側上枠、７・・・内
側横枠、８・・・内側下枠ζ９・・・切欠部、１０・・
・溝、１１・・・磁石取付用孔、１２・・・薄肉溝、１
３・・・垂直凸起、１４・・・差し透孔、１５・・・外
枠用黒板、１６・・・内枠用黒板、１７・・・磁石。Figure 1 shows factors during molding, Figures 2, 3, and 3 are partial details, and Figures 4, 5, and 6 are usage examples. 1-...Top frame, 2...Horizontal frame, 3...Bottom frame, 4...
Protrusion, 5...Mounting hole, 6...Inner upper frame, 7...Inner horizontal frame, 8...Inner lower frame ζ9...Notch, 10...
・Groove, 11... Magnet mounting hole, 12... Thin groove, 1
3... Vertical protrusion, 14... Through-hole, 15... Blackboard for outer frame, 16... Blackboard for inner frame, 17... Magnet.
Claims (1)
内側上枠６内側横枠フ内側下枠８を外枠の内側に設は更
に上枠１の外側上部に取付孔５を持った凸起４を、内側
上枠６には磁石取付用孔１１をそれぞれ設は更に内側下
枠８と下枠３とを裏側にＶ型の薄肉溝１２により接続し
又この薄肉溝１２を境にして垂直凸起１３を下枠３の表
側に更に同径状の差し透孔１４を内側下枠８に設９た形
状で金型を製作し合成樹脂で成形する黒板枠。The upper frame 1, the horizontal frame 2, and the lower frame 3 form a rectangular outer frame, and an inner upper frame 6, an inner horizontal frame, an inner lower frame 8, and a mounting hole 5 are provided inside the outer frame. The inner upper frame 6 is provided with a protrusion 4 having a magnet mounting hole 11, and the inner lower frame 8 and the lower frame 3 are connected to each other by a V-shaped thin groove 12 on the back side. A blackboard frame is manufactured by manufacturing a mold with a vertical protrusion 13 on the front side of the lower frame 3 and a through-hole 14 of the same diameter on the inner lower frame 8, and molding it with synthetic resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14988181U JPS5853691U (en) | 1981-10-08 | 1981-10-08 | Synthetic resin blackboard frame with thin grooves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14988181U JPS5853691U (en) | 1981-10-08 | 1981-10-08 | Synthetic resin blackboard frame with thin grooves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5853691U true JPS5853691U (en) | 1983-04-12 |
Family
ID=29942636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14988181U Pending JPS5853691U (en) | 1981-10-08 | 1981-10-08 | Synthetic resin blackboard frame with thin grooves |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5853691U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03190799A (en) * | 1989-12-21 | 1991-08-20 | Kokuyo Co Ltd | Black board |
-
1981
- 1981-10-08 JP JP14988181U patent/JPS5853691U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03190799A (en) * | 1989-12-21 | 1991-08-20 | Kokuyo Co Ltd | Black board |
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