OIL FILLER CAP

PROBLEM TO BE SOLVED: To provide an oil filler cap through which a state of an inside of an internal combustion engine can be readily visually observed.SOLUTION: An oil filler cap 20 includes a light transmission part 25 mounted to an oil filler port for supplying lubricant with an internal combusti...

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1. Verfasser: SUDO MASAHIRO
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide an oil filler cap through which a state of an inside of an internal combustion engine can be readily visually observed.SOLUTION: An oil filler cap 20 includes a light transmission part 25 mounted to an oil filler port for supplying lubricant with an internal combustion engine and penetrating along a rotation axis O of a cap body 21. The light transmission part 25 is made of a heat resistant resin. The light transmission part 25 is a convex lens. The light transmission part 25 has a convex face 26 at any one or both of a top face 16 and a bottom face 15 of the cap body 11.SELECTED DRAWING: Figure 4 【課題】内燃機関の内部の様子を容易に目視観察することができるオイルフィラーキャップを提供する。【解決手段】オイルフィラーキャップ20は、内燃機関に潤滑油を供給するための給油口に取り付けられ、キャップ本体21を回転軸Oに沿って貫く光透過部25を備える。光透過部25は、耐熱性樹脂からなる。光透過部25は、凸レンズである。光透過部25は、キャップ本体11の頂面16と底面15のいずれか一方あるいは両方に凸面26を有する。【選択図】図4