Fish collecting device
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United States of America Patent
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Mar 5, 2019
Grant Date -
Mar 3, 2016
app pub date -
Aug 14, 2015
filing date -
Aug 29, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
One object is to provide a fish collecting device having a simple structure whereby free rotation of a propeller is prevented in casting, and the propeller can rotate freely under water. The propeller body is formed of one metal plate or an integral resin mold; a front end stopper and a rear end stopper are formed of bent or projected parts of the propeller body at the front end and rear end of the propeller body, and a rotary shaft, inserted through holes formed in the front end stopper and the rear end stopper, has a rotation restricting portion for contacting the propeller body. Free rotation of the propeller body in casting can be restricted by a simple structure wherein the rotation restricting portion contacts the propeller body and the rotary shaft engages with the propeller body such that the propeller body is unrotatable with respect to the rotary shaft.
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