JPH046043U - - Google Patents
Info
- Publication number
- JPH046043U JPH046043U JP1990045748U JP4574890U JPH046043U JP H046043 U JPH046043 U JP H046043U JP 1990045748 U JP1990045748 U JP 1990045748U JP 4574890 U JP4574890 U JP 4574890U JP H046043 U JPH046043 U JP H046043U
- Authority
- JP
- Japan
- Prior art keywords
- shaped
- projection screen
- shaped structure
- rod
- rotation
- 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
- 238000009434 installation Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Description
第１図および第２図は本考案による投影用スク
リーン張設装置の一実施例を示す図でありそれぞ
れの展開状態の斜視図および折畳み状態の一部斜
視図、第３図はスクリーンを取り付けたまま折畳
んだ状態の斜視図、第４図はスクリーンの連結状
態の一例を示す斜視図、第５図ａ，ｂは規制部材
の各例を示す斜視図、第６図および第７図は従来
の投影装置の各例を示す斜視図である。
１……フレーム部材、２……棒状体、３……Ｘ
状構造体、７，８……規制部材、１１〜１９，２
１〜２９……連結部材、３１……弾性体。
Figures 1 and 2 are diagrams showing one embodiment of the projection screen installation device according to the present invention, and are perspective views of each in an unfolded state and a partial perspective view in a folded state, and Figure 3 is a perspective view of a projection screen installation device according to the present invention. FIG. 4 is a perspective view showing an example of the connected state of the screen, FIGS. 5 a and b are perspective views showing examples of the regulating member, and FIGS. 6 and 7 are conventional views. It is a perspective view showing each example of a projection device. 1...Frame member, 2...rod-shaped body, 3...X
shaped structure, 7, 8... regulating member, 11 to 19, 2
1-29...Connecting member, 31...Elastic body.
Claims (1)
されて形成された複数のＸ状構造体と、複数のＸ
状構造体の各端部が回動可能に軸支されてＸ状構
造体を相互に連結すると共に、前記棒状体の回動
によるＸ状構造体の折畳みおよび展開で形成され
る矩形体の同一平面上に位置するように設けられ
た連結部材とを備えてフレーム部材が構成され、
当該フレーム部材の一の、または複数の組み合わ
された状態の所定の連結部材にスクリーンが着脱
自在に張設されることを特徴とする投影用スクリ
ーン張設装置。 (2) 前記複数の連結部材に、展開状態から折り
畳み状態へのＸ状構造体の回動を規制する規制部
材が掛け渡されていることを特徴とする請求項第
(1)項記載の投影用スクリーン張設装置。 (3) 前記スクリーンが弾性体を介して連結部材
に張設されていることを特徴とする請求項第(1)
項記載の投影用スクリーン張設装置。[Claims for Utility Model Registration] (1) A plurality of X-shaped structures formed by mutually rotatably supporting central portions of rod-shaped bodies;
Each end of the X-shaped structure is pivotably supported to connect the X-shaped structures to each other, and the same rectangular body is formed by folding and unfolding the X-shaped structure by rotation of the rod-shaped body. A frame member is configured including a connecting member provided so as to be located on a plane,
A projection screen tensioning device characterized in that a screen is removably stretched to one or more predetermined connecting members of the frame member in a combined state. (2) A regulating member for regulating the rotation of the X-shaped structure from the unfolded state to the folded state is spanned over the plurality of connecting members.
The projection screen installation device described in (1). (3) Claim (1) characterized in that the screen is stretched over a connecting member via an elastic body.
2. Projection screen installation device as described in Section 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990045748U JPH046043U (en) | 1990-04-26 | 1990-04-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990045748U JPH046043U (en) | 1990-04-26 | 1990-04-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH046043U true JPH046043U (en) | 1992-01-21 |
Family
ID=31560201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990045748U Pending JPH046043U (en) | 1990-04-26 | 1990-04-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH046043U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5196456U (en) * | 1975-01-31 | 1976-08-03 | ||
| JP2022145515A (en) * | 2021-03-18 | 2022-10-04 | ヤマハ株式会社 | screen unit |
-
1990
- 1990-04-26 JP JP1990045748U patent/JPH046043U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5196456U (en) * | 1975-01-31 | 1976-08-03 | ||
| JP2022145515A (en) * | 2021-03-18 | 2022-10-04 | ヤマハ株式会社 | screen unit |
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