PROBLEM TO BE SOLVED: To provide a display device of an angle of a fish line entering the water, allowing a user to simply and intelligibly acquire an angle of a trawl line entering the water.SOLUTION: The display device of an angle of a fish line entering the water includes: a wall plate 2 with an opening at a lower center, erected on a base 1 to be fixed to a hull a direction indication plate 4 fitted to the front face of the wall plate 2 via a support 5 penetrating through a center of the wall plate and an angle numeral display board having a protractor-like shape, swingably fitted to the back face. The direction indication plate 4 includes, at a lower side thereof, an opening window 10 for reading the numeral of the angle, and a gravitational weight 11 at the lower end. The angle numeral display board includes, at the back face thereof, an introduction metal fitting and a guide of a fishing line, and a rocking metal fitting.COPYRIGHT: (C)2016,JPO&INPIT【課題】トローリング漁法の釣り糸の入水角度が簡単に分かる、釣り糸入角度表示装置を提供する。【解決手段】船体に固定する基台1に、下部中央に開口部を設けた壁板2を立設し、壁板上部中央に貫通した支軸5を介して、壁板2前面には方向指示板4と、背面には分度器形状の角度数表示盤を搖動可能に取り付ける。方向指示板4の下方には度数読み取りようの開口窓10と、下端に重心錘11が設けられ、角度数表示盤の背面には道糸の導入金具とガイド及び、搖動金具を設ける。【選択図】図1
