JPS62125729U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図ないし第４図は本考案の第１実施例に係
り、第１図は燃料タンクの一部を切欠いて示す切
欠正面図、第２図は傾斜時における燃料タンクの
一部を切欠いて示す切欠正面図、第３図は傾斜時
における燃料タンクの一部を切欠いて示す切欠側
面図、第４図は第１図の回動軸部分の拡大断面図
、第５図は本考案の第２実施例における回動軸部
分の拡大断面図である。 １……燃料タンク、２……軸受部材、１１……
軸部、１３……エアベント管部、１４……腕部、
１５……重錘、２２……エアベント栓、２３……
支持部材。 Figures 1 to 4 relate to the first embodiment of the present invention, in which Figure 1 is a cutaway front view showing a part of the fuel tank cut away, and Figure 2 is a cutaway front view showing a part of the fuel tank when it is tilted. 3 is a cutaway side view showing a part of the fuel tank when tilted, FIG. 4 is an enlarged cross-sectional view of the rotating shaft portion of FIG. 1, and FIG. FIG. 3 is an enlarged cross-sectional view of a rotating shaft portion in a second embodiment. 1...Fuel tank, 2...Bearing member, 11...
Shaft part, 13... air vent pipe part, 14... arm part,
15... Weight, 22... Air vent plug, 23...
Support member.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 軸部と、軸部から延出されたエアベント管部と
、前記軸部を挟んで前記エアベント管部に対向す
るよう設けられた重錘とを有する回動体が回動自
在に支承され、前記軸部とエアベント管部とに連
通する通気路が形成され、この通気路の軸部側の
端部は燃料タンクの上面で開口され、一方エアベ
ント管部側の端部は前記燃料タンクの内部上方空
間で開口されたことを特徴とする携帯エンジン用
燃料タンクの通気装置。 A rotating body having a shaft portion, an air vent pipe portion extending from the shaft portion, and a weight provided to face the air vent pipe portion with the shaft portion interposed therebetween is rotatably supported, and the rotating body is rotatably supported. A ventilation passage is formed that communicates with the air vent pipe, and the end of the ventilation passage on the shaft side is opened at the upper surface of the fuel tank, while the end on the air vent pipe side is connected to the internal upper space of the fuel tank. A venting device for a fuel tank for a portable engine, characterized in that it has an opening.