JPH047897U - - Google Patents
Info
- Publication number
- JPH047897U JPH047897U JP2081490U JP2081490U JPH047897U JP H047897 U JPH047897 U JP H047897U JP 2081490 U JP2081490 U JP 2081490U JP 2081490 U JP2081490 U JP 2081490U JP H047897 U JPH047897 U JP H047897U
- Authority
- JP
- Japan
- Prior art keywords
- sheet material
- rotation
- center
- fixed
- propeller
- 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
- Toys (AREA)
Description
第１図はこの考案の一実施例を示す空気用のプ
ロペラの平面図、第２図は第１図に示す空気用の
プロペラの正面図、第３図および第４図は第２図
の−および−線断面図、第５図および第
６図は他の実施例にかかる竹トンボの正面図であ
る。
１……シート材、２……回転軸、３……羽根、
α……傾斜角。
Fig. 1 is a plan view of an air propeller showing an embodiment of this invention, Fig. 2 is a front view of the air propeller shown in Fig. 1, and Figs. 3 and 4 are - 5 and 6 are front views of bamboo dragonflies according to other embodiments. 1...Sheet material, 2...Rotating shaft, 3...Blade,
α...Inclination angle.
Claims (1)
る。 (b) シート材１は細幅の帯状に裁断されている
。 (c) シート材１は、羽根３の先端で折り返され
て、回転中心に固定されている。 (d) 折り返された上下のシート材１は、長手方
向が互いに傾斜して回転中心で固定されており、
傾斜角によつて、プロペラのピツチが調整されて
いる。[Claims for Utility Model Registration] An air propeller having the following configuration (a) The blades are made of a deformable sheet material 1. (b) Sheet material 1 is cut into narrow strips. (c) The sheet material 1 is folded back at the tip of the blade 3 and fixed at the center of rotation. (d) The folded upper and lower sheet materials 1 are fixed at the center of rotation with their longitudinal directions inclined to each other,
The pitch of the propeller is adjusted by the angle of inclination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2081490U JPH0633988Y2 (en) | 1990-02-28 | 1990-02-28 | Propeller for air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2081490U JPH0633988Y2 (en) | 1990-02-28 | 1990-02-28 | Propeller for air |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH047897U true JPH047897U (en) | 1992-01-24 |
| JPH0633988Y2 JPH0633988Y2 (en) | 1994-09-07 |
Family
ID=31523898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2081490U Expired - Lifetime JPH0633988Y2 (en) | 1990-02-28 | 1990-02-28 | Propeller for air |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0633988Y2 (en) |
-
1990
- 1990-02-28 JP JP2081490U patent/JPH0633988Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0633988Y2 (en) | 1994-09-07 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |