【図面の簡単な説明】[Brief explanation of drawings]
第１図は本考案に係るフアンの第一実施例を示
す側面図、第２図は第１実施例に係るフアンに使
用されるインシユレータを示す斜視図、第３図は
第一実施例に係るフアンの回転部とフアン本体と
の結合部を示す斜視図、第４図は本考案に係るフ
アンの第二実施例を示す側面図、第５図は第二実
施例に係るフアンに使用されるインシユレータを
示す分解斜視図、第６図は本考案に係るフアンの
第三実施例を示す分解斜視図、第７図は第６図の
―線断面図、第８図は本考案に係るフアンの
第四実施例を示す断面図、第９図は自動車のラジ
エータフアンの横造を示す斜視図、第１０図はモ
ータの回転軸部を座標の原点とした場合に、フア
ンの回転により生ずる偏心位置をＳとしてｘ，ｙ
座標により表わしたグラフ、第１１図は力の伝達
率と回転速度との関係を示すグラフである。
１，１０……フアンブレード、６，２２，３７
，４５……回転軸部、１５，２７，３８……弾性
部材。
Fig. 1 is a side view showing a first embodiment of the fan according to the present invention, Fig. 2 is a perspective view showing an insulator used in the fan according to the first embodiment, and Fig. 3 is a side view showing the first embodiment of the fan. FIG. 4 is a side view showing a second embodiment of the fan according to the present invention; FIG. FIG. 6 is an exploded perspective view showing the third embodiment of the fan according to the present invention, FIG. 7 is a cross-sectional view taken along the line -- in FIG. 6, and FIG. 8 is an exploded perspective view showing the fan according to the present invention. A cross-sectional view showing the fourth embodiment, FIG. 9 is a perspective view showing the horizontal structure of a radiator fan for an automobile, and FIG. 10 shows the eccentric position caused by the rotation of the fan when the rotating shaft of the motor is the origin of the coordinates. Let S be x, y
A graph expressed by coordinates, FIG. 11, is a graph showing the relationship between force transmission rate and rotational speed. 1, 10... Juan blade, 6, 22, 37
, 45... Rotating shaft portion, 15, 27, 38... Elastic member.