| 摘要 |
PROBLEM TO BE SOLVED: To provide a technique for regulating a rotation angle of an arm member.SOLUTION: A liquid quantity detector 20 includes: a float 22; an arm member 24 that is attached to the float 22, and converts vertical motion of the float 22 into rotary motion; and a weight 28 attached to the arm member 24 located on an opposite side of the float 22 with respect to a rotation center X of the arm member 24. The weight 28 has a regulation part for regulating rotation of the arm member 24. |
