JPH0428047U - - Google Patents
Info
- Publication number
- JPH0428047U JPH0428047U JP7043890U JP7043890U JPH0428047U JP H0428047 U JPH0428047 U JP H0428047U JP 7043890 U JP7043890 U JP 7043890U JP 7043890 U JP7043890 U JP 7043890U JP H0428047 U JPH0428047 U JP H0428047U
- Authority
- JP
- Japan
- Prior art keywords
- plastic film
- hem edge
- hotbed
- frame
- spanned
- 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
- 239000002985 plastic film Substances 0.000 claims description 3
- 229920006255 plastic film Polymers 0.000 claims description 3
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 description 1
Landscapes
- Protection Of Plants (AREA)
Description
第１図〜第４図は本考案の一実施例を示すもの
であり、第１図は閉状態の温床の部分斜視図、第
２図は開状態の温床の部分斜視図、第３図は縦断
面図、第４図はコイルスプリングの荷重−変位量
曲線である。
図中、１，２……円弧状フレーム、３……プラ
スチツクフイルム、３Ａ，３Ｂ……裾縁、４……
アクチユエーター、４Ａ……コイルスプリング。
1 to 4 show an embodiment of the present invention, in which FIG. 1 is a partial perspective view of the hotbed in a closed state, FIG. 2 is a partial perspective view of the hotbed in an open state, and FIG. 3 is a partial perspective view of the hotbed in an open state. The vertical cross-sectional view, FIG. 4, is a load-displacement curve of the coil spring. In the figure, 1, 2... arc-shaped frame, 3... plastic film, 3A, 3B... hem edge, 4...
Actuator, 4A...Coil spring.
Claims (1)
、該フレームにトンネル状に被着され少なくとも
一方の裾縁は引上げ可能とされているプラスチツ
クフイルムと、該プラスチツクフイルムの内側で
、該フレームの略頂上部と該プラスチツクフイル
ムの少なくとも一方の裾縁とに差渡され形状記憶
合金を用いたアクチユエーターとからなる温床。 An arcuate frame stands up on the ground at predetermined intervals, a plastic film is attached to the frame in a tunnel shape and has at least one hem edge that can be pulled up; A hotbed comprising an actuator made of a shape memory alloy and spanned between a top portion and at least one hem edge of the plastic film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7043890U JPH0428047U (en) | 1990-07-02 | 1990-07-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7043890U JPH0428047U (en) | 1990-07-02 | 1990-07-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0428047U true JPH0428047U (en) | 1992-03-05 |
Family
ID=31606596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7043890U Pending JPH0428047U (en) | 1990-07-02 | 1990-07-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0428047U (en) |
-
1990
- 1990-07-02 JP JP7043890U patent/JPH0428047U/ja active Pending