JPH0262463U - - Google Patents
Info
- Publication number
- JPH0262463U JPH0262463U JP12220589U JP12220589U JPH0262463U JP H0262463 U JPH0262463 U JP H0262463U JP 12220589 U JP12220589 U JP 12220589U JP 12220589 U JP12220589 U JP 12220589U JP H0262463 U JPH0262463 U JP H0262463U
- Authority
- JP
- Japan
- Prior art keywords
- correct answer
- display device
- answer
- pivot
- model registration
- 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
- 238000013459 approach Methods 0.000 claims 1
- 238000005192 partition Methods 0.000 claims 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
Landscapes
- Electrically Operated Instructional Devices (AREA)
- Toys (AREA)
- Drawing Aids And Blackboards (AREA)
Description
第１図は、本案品の平面図、第２図は着色透明
板の正答数字の表示態様を示す平面図、第３図は
白色板の平面図、第４図は各ブロツク空室の断面
図、第５図は第４図の―線断面図、第６図及
び第７図は回答操作杆の他の実施態様を示す断面
図である。
４……ブロツク空室、５……着色透明板、６…
…透明数字表出用塗膜又は裏紙、１０……白色板
、１５……操作杆。
Fig. 1 is a plan view of the proposed product, Fig. 2 is a plan view showing how the correct answer numbers are displayed on the colored transparent board, Fig. 3 is a plan view of the white board, and Fig. 4 is a cross-sectional view of each block vacancy. , FIG. 5 is a cross-sectional view taken along the line -- in FIG. 4, and FIGS. 6 and 7 are cross-sectional views showing other embodiments of the response operation lever. 4...Block empty room, 5...Colored transparent board, 6...
...Transparent number display coating or backing paper, 10...White board, 15...Operation rod.
Claims (1)
形の空室と、該空室の全部を覆い且つ計算すべき
複数個の数値が演算記号とともに表示されると共
に正答数字が視認できないように透明部とされた
着色透明板と、各空室の回答操作によつて前記着
色透明板の下面に白色板が近接して正答数字が表
出される計算練習器において、前記空室内の一辺
には係合突起を備えた回答操作杆を出没可能に収
容する摺動案内枠と、白色板の一辺を挿通する回
動用枢軸が配設され、前記白色板の枢軸側端縁に
は前記回答操作杆の係合突起と係合する切欠段部
が設けられてなる計算練習器の正答表示装置。 (2) 回答操作杆が復帰用コイルスプリングを備
えてなる実用新案登録請求の範囲第１項記載の正
答表示装置。 (3) 回答操作杆が下端を傾斜板バネとして形成
した枠状部材で構成されてなる実用新案登録請求
の範囲第１項記載の正答表示装置。[Claims for Utility Model Registration] (1) A large number of rectangular vacant rooms partitioned into rows and columns by partition plates, and a plurality of numerical values to be calculated that cover all of the vacant rooms are displayed together with operation symbols. and a colored transparent board with a transparent part so that the correct answer numbers cannot be seen, and a calculation practice device in which a white board approaches the bottom surface of the colored transparent board and the correct answer numbers are displayed by answering each empty room. A sliding guide frame for retractably accommodating a response operating rod having an engaging protrusion is disposed on one side of the cavity, and a pivot for rotation is inserted through one side of the white plate, and the pivot of the white plate is disposed. A correct answer display device for a calculation practice device, wherein a side edge is provided with a cutout step that engages with an engaging protrusion of the answer operation rod. (2) The correct answer display device according to claim 1 of the utility model registration claim, wherein the answer operation lever is provided with a return coil spring. (3) The correct answer display device according to claim 1, wherein the answer operation rod is constituted by a frame-like member whose lower end is formed as an inclined plate spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12220589U JPH0542450Y2 (en) | 1989-10-20 | 1989-10-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12220589U JPH0542450Y2 (en) | 1989-10-20 | 1989-10-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0262463U true JPH0262463U (en) | 1990-05-10 |
| JPH0542450Y2 JPH0542450Y2 (en) | 1993-10-26 |
Family
ID=31369917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12220589U Expired - Lifetime JPH0542450Y2 (en) | 1989-10-20 | 1989-10-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0542450Y2 (en) |
-
1989
- 1989-10-20 JP JP12220589U patent/JPH0542450Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0542450Y2 (en) | 1993-10-26 |
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