PROBLEM TO BE SOLVED: To enable cuttlefish biting the upper part of a bait fish to be hooked in a cuttlefish-fishing by a Yaen for hooking the cuttlefish.;SOLUTION: The Yaen carrying out the down-stroke of a cuttlefish-hooking hook is constituted as follows. When the cuttlefish 92 bites the bait fish 91 cast by being pierced by a hook 83 in the Yaen which holds the rear part of a holding bar 12 with a holding bar-supporting ring 32, which has a front helical ring 23, a transmission helical ring 34 and a rear helical ring 25 attached to a fishline 81 in order, and which slidably sinks while keeping the posture by a main sinker 27 fixed to a sinker support 26, a ball 82 fixed to the fishline 81 passes through the front helical ring 23, and pushes the transmission helical ring 34 to retreat the transmission helical ring 35 fixed to a pipe-fixed ring 33 possessed by a transmission supporter 31, to allow a supporting bar-supporting ring 32 to be separated from the holding bar 12. As a result, the cuttlefish-hooking bar 11 to which a cuttlefish-hooking hook 13 is fixed, and a supporting bar 12 are turned by a down-stroke weight 15 by centering a shaft 41 to which a holding bar bearing 14 and a supporting bar bearing 28 are connected so as to be freely turnable to give the down-stroke to the cuttlefish 92 biting the bait fish 91.;COPYRIGHT: (C)2009,JPO&INPIT
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