Nippon Seiki Co., Ltd.

Takayuki Yamaura

Akira Sakamaki

Shigeki Koide

Tomoyuki Tanaka

Tetsuya Sato

Provided is a liquid-surface detection device in which a holder, which turns concurrently with movement of a float arm that moves based on a change in a liquid surface, is securely and rotatably mounted on a frame. A liquid-surface detection device includes a holder that includes an upper piece and a lower piece, and a frame that includes a bearing, a first groove, and a second groove. When mounting the holder onto the frame, the first groove guides the lower piece to the second groove, and the second groove further guides the lower piece to the bearing part so that the bearing part of the frame is disposed between the upper piece and the lower piece of the holder.

Liquid-surface detection device

There is provided a liquid level detecting apparatus capable of achieving miniaturization, which includes a float arm provided with a float floating on a liquid surface, an arm holder for holding the float arm and provided with shaft portions as rotation supporting points of the float arm , a main body frame provided with two bearing portions and for axially supporting the shaft portions of the arm holder , a circuit board fixed to the main body frame , and a contact holding member provided with a sliding contact sliding on the circuit board and fixed to the arm holder , and the arm holder is positioned between the bearing portions and and holds the float arm and the contact holding member

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Niigata, Japan

Takayuki Yamaura