| 摘要 |
PROBLEM TO BE SOLVED: To provide a net frame-detaching device for fish-landing net that permits easy attachment to and detachment from the handle of the net frame and can avoid sand or dust from intruding inside the tubular operation parts. SOLUTION: This net frame-detaching device for fish-landing net comprises (A) the tubular inner part 1 that contains the locking body 2 in the locked body receiver 1c that is attached to the top edge of the grip 7 and is formed through the inner and outer periphery; (B) the tubular operation part 3 that is slidably armored to the grip 7 as the spring is energized in the root direction of the grip 7, and is simultaneously equipped with the pressing face P2 on the inner periphery toward the root direction of the grip V and with the recessed part 3a for loosening the connection and (C) the male joint 5 that is attached to the net frame 4 and formed so that it may be inserted into the inner-periphery hole of the tubular inner part 1 and has an annular connection groove 5ax for detaching from and attaching to the lock body 2 on the outer periphery face.
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