| 摘要 |
PROBLEM TO BE SOLVED: To provide a liquid level sensor capable of reducing slide of a rotation supporting part of an arm to reduce abrasion by lowering following capacity of a float against a fluctuation in a liquid level. SOLUTION: A hole 3 dented toward the inner of the float 2 is formed at a position in contact with a liquid when the float 2 floats on the liquid level E on an external surface of the float 2 forming an outline of the float 2. COPYRIGHT: (C)2010,JPO&INPIT
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