Fishing tackle for cutlassfish and fixed fishhook used therewith

Abstract

To provide a small-sized fishing tackle for cutlassfish allowing anglers to easily and reliably fix either a fixed fishing rig (a fishhook) or a rotating fishing rig (a fishhook) detachably from a sinker, and fixed fishhook used therewith.SOLUTION: A fishing tackle for cutlassfish includes a sinker with a locking portion, and either a fixed fishhook having a shaft portion, a hook portion provided on a tip side of the shaft portion, and a fixing portion to which a rear end side of the shaft portion is attached, the fixing portion being replaceably attached to the locking portion of the sinker, or a rotary fishhook replaceably attached to the locking portion of the sinker and having a shaft portion, a hook portion provided on a tip side of the shaft portion, and a locking object portion to be connected to a rear end side of the shaft portion, the locking object portion being replaceably attached to the locking portion of the sinker.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to a fishing tackle, and more particularly to a tenya for hairtail fish used when fishing for hairtail fish, and a fixed fishing hook used therefor. [Background technology]

[0002] Traditionally, special tackles (also called "tenya for hairtail fish") have been used for hairtail fishing. As disclosed in Patent Documents 1 and 2, such hairtail fish tenya have a head, which resembles a fish's head and to which the fishing line from the reel is fastened, and a linear shaft attached to the rear, with the tip of the shaft forming a needle (hook) that curves downward.

[0003] Patent Document 1 discloses such a fishing tackle for hairtail fish, which includes a fishhook and a head. The fishhook is made of a wire material having a shaft, a bent portion at the tip of the shaft, and an insertion portion at the base of the shaft. The head has a fishhook insertion hole that passes through the head and into which the insertion portion is inserted. The insertion portion has a protruding portion that is bent into a U-shape or hairpin shape so that the folded end forms the protruding end. The insertion portion is removably inserted into the fishhook insertion hole from one end opening, and the folded end of the protruding portion is pulled out from the other end opening of the fishhook insertion hole, with the pulled-out folded end forming an eye. An insertion fixture is press-fitted and fixed into the fishhook insertion hole in a removably manner, and the fishhook is hooked onto the insertion fixture, thereby preventing the fishhook from coming off the head.

[0004] Patent Document 2 also discloses a jig head comprising a sinker head with an eye for attaching a fishing line, and a fishhook portion having one end of a shaft fixed to the sinker head and a bent portion at the other end of the shaft bent in a predetermined direction, wherein the fishhook portion has an expanded portion at one end of the shaft that is expanded to form a plane perpendicular to the bent portion, and the sinker head comprises a fishhook engaging portion that engages with the expanded portion of the fishhook portion, and a hook fixing means that detachably fixes the fishhook engaging portion. [Prior art documents] [Patent documents]

[0005] [Patent Document 1] Patent Publication No. 2022-126271 [Patent Document 2] Patent Publication No. 2015-104334 Summary of the Invention [Problem to be solved by the invention]

[0006] However, the fishing tackle disclosed in Patent Document 1 requires a large space inside the head for embedding the hook, which necessitates the need to enlarge the head to ensure the tackle's weight. Furthermore, in the jig head disclosed in Patent Document 2, a ring on the hook is inserted and locked into a protrusion on the hook-attaching / detaching mechanism, and the hook-attaching / detaching mechanism is fixed to the head with a bolt. However, depending on the thickness and material of the hook and the protrusion, the strength between the hook and the head may be insufficient, and the hook or hook-attaching / detaching mechanism may be destroyed depending on the pulling force of the fish and the user.

[0007] The present invention has been made in consideration of the above circumstances, and its purpose is to provide a small, easy-to-use, and reliable tenya for hairtail fishing, and a fixed fishing hook for use therewith, to which either a fixed fishing tackle (fish hook) or a rotary fishing tackle (fish hook) can be attached and detached from the sinker. Other objects of the present invention will become clear by reading this entire specification. [Means for solving the problem]

[0008] A hairtail tenya in one embodiment of the present invention is configured to include either a fixed fishing hook having a sinker portion with a recess, a shaft portion, a needle portion provided at the tip side of the shaft portion, and a fixed portion to which the rear end side of the shaft portion is attached, the fixed portion being replaceably attached to the recess of the sinker portion, or a rotary fishing hook replaceably attached to the recess of the sinker portion, and having a shaft portion, a needle portion provided at the tip side of the shaft portion, and an engaged portion connected to the rear end side of the shaft portion, the engaged portion being replaceably attached to the recess of the sinker portion.

[0009] In the hairtail tenya according to one embodiment of the present invention, the fixed portion of the fixed fishing hook or the locked portion of the rotary fishing hook is inserted into the recess and fixed.

[0010] In the hairtail tenya according to one embodiment of the present invention, the fixing portion of the fixed fishing hook or the locked portion of the rotary fishing hook is inserted into the recess by a locking portion and fixed.

[0011] In one embodiment of the present invention, the hooking portion is a screw member and a nut member, and the fixed portion of the fixed fishing hook or the hooked portion of the rotating fishing hook is fixed by a screw member and a nut member provided on the weight portion.

[0012] In one embodiment of the present invention, in a hairtail tenaya, when the engaging portion of the rotary fishing hook is engaged with the recess, the shaft portion is made rotatable relative to the recess, and when the engaging portion of the rotary fishing hook is fixed to the sinker portion by the screw member and nut member, the screw is provided at a position outside the range of rotational movement of the shaft portion.

[0013] In one embodiment of the present invention, the rear end of the shaft is fixed to the fixing portion by insert molding or adhesive bonding.

[0014] In one embodiment of the present invention, the fixed part of the fixed fishing hook has a convex shape that matches the shape of the recess of the sinker part, thereby restricting the rotational direction of the fixed fishing hook and the movement of the fixed fishing hook in the insertion direction into the recess.

[0015] In one embodiment of the present invention, an eye is provided on the fixing portion so as to protrude from the fixing portion on the same side as the shaft portion extends.

[0016] In the hairtail tenya according to one embodiment of the present invention, the fixed fishing hook and the rotary fishing hook that are replaceably attached to the sinker portion are configured to have the same weight.

[0017] In one embodiment of the present invention, the fixed fishing hook replaceably attached to the sinker is selected from a plurality of fixed fishing hooks having different weights for the fixed part.

[0018] In one embodiment of the present invention, the recess of the sinker is selected from a plurality of sinkers having recesses of different dimensions formed to match the dimensions of the fixed portion of the fixed fishing hook.

[0019] In one embodiment of the present invention, the shaft of the rotating fishing hook is spring-loaded inside the weight, and when a load greater than a predetermined load is applied, the shaft is made rotatable in a downward direction of the shaft, as described in claim 1.

[0020] In the hairtail tenya according to one embodiment of the present invention, an elastic member is provided on the shaft portion of the rotary fishing hook, thereby applying a biasing force to the shaft portion.

[0021] In the hairtail tenya according to one embodiment of the present invention, the elastic member is a leaf spring, a torsion spring, or rubber.

[0022] The fixed fishing hook according to one embodiment of the present invention is a fixed fishing hook that is attached to the sinker portion of a swordfish tenaya, and is configured to have a shaft portion, a hook portion provided at the tip side of the shaft portion, and a fixed portion to which the rear end side of the shaft portion is attached, and which is replaceably attached to the recess of the sinker portion of the swordfish tenaya. [Effects of the Invention]

[0023] According to the above embodiment, it is possible to provide a small and easy-to-use swordfish tenya that can easily and securely attach and detach either a fixed fishing rig (fishing hook) or a rotating fishing rig (fishing hook) from the sinker section, and a fixed fishing hook used therefor. [Brief explanation of the drawings]

[0024] [Figure 1] 1A is a front view of a cutlassfish tenya 1 according to one embodiment of the present invention, and FIG. 1B is a perspective view of a cutlassfish tenya 1 according to one embodiment of the present invention. [Figure 2] 1A is a front view of a cutlassfish tenya 1 according to one embodiment of the present invention, and FIG. 1B is a perspective view of a cutlassfish tenya 1 according to one embodiment of the present invention. [Figure 3] 1A is a front view of a cutlassfish tenya 1 according to one embodiment of the present invention, and FIG. 1B is a perspective view of a cutlassfish tenya 1 according to one embodiment of the present invention. [Figure 4] (a) is a front view showing the structure of a fixed-type fishing hook 20 in a cutlassfish tenya 1 according to one embodiment of the present invention. (b) is a perspective view showing the structure of a fixed-type fishing hook 20 in a cutlassfish tenya 1 according to one embodiment of the present invention. [Figure 5] 1 is a front view showing the structure of a rotary fishing hook 3 in a hairtail tenya 1 according to one embodiment of the present invention. [Figure 6] 1 is an exploded perspective view of a hairtail tenya 1 and a fishing hook 3 according to an embodiment of the present invention. [Figure 7] 1 is a diagram showing an example of an elastic member 10 of a hairtail tenya 1 according to one embodiment of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0025] Hereinafter, embodiments of the hairtail tenya and fixed and rotating fishing hooks used therein according to the present invention will be described in detail with reference to the accompanying drawings. Components common to multiple drawings are designated by the same reference numerals throughout the multiple drawings. Please note that the drawings are not necessarily drawn to scale for the sake of convenience.

[0026] 1, 2, and 3 are diagrams showing a hairtail tenya 1 according to one embodiment of the present invention. FIG. 1 is (a) a front view showing a state in which a fixed fishhook is attached to the fishing hook of a hairtail tenya 1 according to one embodiment of the present invention, and (b) a perspective view showing a state in which a fixed fishhook is attached to the fishing hook of a hairtail tenya 1 according to one embodiment of the present invention. FIG. 2 is (a) a front view showing a state in which a rotating fishhook (normal state (initial state)) is attached to the fishing hook of a hairtail tenya 1 according to one embodiment of the present invention, and (b) a perspective view showing a state in which a rotating fishhook (normal state (initial state)) is attached to the fishing hook of a hairtail tenya 1 according to one embodiment of the present invention. FIG. 3 is a diagram showing a state in which the rotating fishhook of a hairtail tenya 1 according to one embodiment of the present invention has rotated, with FIG. 3(a) being the front view and FIG. 3(b) being the perspective view.

[0027] 1(a) and (b), a hairtail tenya 1 according to one embodiment of the present invention comprises a sinker 2 shaped like a fish's head, a fixed fishing hook 20 attached to the sinker 2 and having a shaft 4, a needle 5 attached to the tip of the shaft 4, a fixed part 16 attached to the rear end of the shaft 4 and replaceably attached to a recess 12 (described later) of the sinker 2, and a first needle 6 attached to the upper side of the shaft 4 and protruding upward for inserting and holding bait such as sardines or pacific saury. The fixed part 16 is also configured to have a protruding part (eye) 15 (described later) attached to the end of the fixed part so as to protrude outward from the sinker.

[0028] 2(a) and (b), a hairtail tenya 1 according to one embodiment of the present invention comprises a sinker 2 shaped like a fish's head, a rotary fishing hook 3 attached to the sinker 2 and having a shaft 4 and a needle 5 attached to the tip of the shaft 4, and a first needle 6 attached to the upper side of the shaft 4 and protruding upward for inserting and holding bait such as sardines or pacific saury. As shown in FIG. 1, the shaft 4 of the fishing hook 3 is initially set to protrude horizontally from the sinker 2.

[0029] Ring-shaped members (or rings) 7 (7a, 7b) are provided above the sinker section 2. Connecting parts such as snaps or swivels fastened to the fishing line (such as a leader) from the reel are attached to the rings 7a, 7b. In addition, a ring-shaped member (or ring) may be provided below the sinker section 2, to which wire for fastening a sinker, hook, or bait can be attached, or a snap fastened to the fishing line (such as a leader) from the reel when the tackle is turned upside down.

[0030] In the rotary fishhook 3, the shaft 4 attached to the sinker 2 is inserted into the sinker 2 and fixed so as to extend rearward in a substantially horizontal manner, with a needle 5 formed at its tip. In the fixed fishhook 20, the rear end of the shaft 4 is inserted into a fixed portion and fixed, with a needle 5 formed at its tip. A needle 6 is attached to the upper side of the shaft 4. One or more needles 6 may be provided to pierce the bait above the shaft 4, and in the illustrated example, four needles are provided (needles 6a-6d). In this case, the needles 6a and 6b on the sinker 2 side are formed in a substantially U-shape and fixed to the shaft 4 by welding or the like, and the needles 6c and 6d on the needle 5 side are also formed in a substantially U-shape and fixed to the shaft 4 by welding or the like.

[0031] Materials that can be used to form the shaft 4 and the hook 5 include, but are not limited to, steel, stainless steel, etc. Stainless steel is particularly preferable because it is less prone to rust. The axial length of the hook 5 is preferably half or less of the axial length of the shaft 4, since if it is too long, it can easily become hooked or deformed when removing the hairtail, but is not limited to this. The hairtail tenya 1 according to one embodiment of the present invention is used by attaching a snap or the like fastened to a fishing line (such as a fishing line) to the ring 7a of the sinker 2, inserting bait into the piercing hook 6 provided on the upper side of the shaft 4, and then winding and securing a wire (such as a fishing line or wire) around it.

[0032] Next, a more detailed description of the cutlassfish tenya 1 according to one embodiment of the present invention will be given with reference to Figures 1, 2, 4 and 5. Figures 1 and 2 are as described above, and Figure 4(a) is a front view showing the structure of the fixed fishing hook 20 in the cutlassfish tenya 1 according to one embodiment of the present invention, and Figure 4(b) is a perspective view showing the structure of the fixed fishing hook 20 in the cutlassfish tenya 1 according to one embodiment of the present invention. Also, Figure 5 is a front view showing the structure of the rotating fishing hook 3 in the cutlassfish tenya 1 according to one embodiment of the present invention. As shown in the figures, a hairtail tenaya 1 according to one embodiment of the present invention is configured to include either a fixed fishing hook 20 (structure shown in FIG. 4) having a sinker 2 with a recess 12, a shank 4, a hook 5 provided at the tip of the shank 4, and a fixing portion 16 to which the rear end of the shank 4 is attached, the fixing portion 16 being replaceably attached to the recess 12 of the sinker 2, or a rotary fishing hook 3 (structure shown in FIG. 5) replaceably attached to the recess 12 of the sinker 2 and having a shank 4, a hook 5 provided at the tip of the shank 4, and an engaging portion 9 connected to the rear end of the shank 4, the engaging portion 9 being replaceably attached to the recess 12 of the sinker 2. The engaging portion 8, elastic member 10, and protruding portion (eye) 17 shown in FIG. 5 will be described later.

[0033] The hairtail tenya 1 according to one embodiment of the present invention provides a small and easy-to-use hairtail tenya that can easily and reliably attach either a fixed fishing tackle (fishhook) or a rotary fishing tackle (fishhook) to a sinker. More specifically, it is small and allows for easy replacement of the fishing tackle (fishhook). That is, the fixing part of the fixed fishing tackle (fishhook) or the locking part of the rotary fishing tackle (fishhook) can be interchangeably attached to a recess provided inside the head (sinker). This effectively utilizes the space in the head (sinker) while avoiding an increase in the size of the head (sinker). Furthermore, by inserting the fixing part or the locking part into the recess in the head (sinker), the fishing tackle can be easily replaced. As a result, the hook can be replaced with either a fixed fishing tackle (fishhook) or a rotary fishing tackle (fishhook) depending on the fishing situation, environment, and location, greatly improving customizability.

[0034] In the cutlassfish tenaya 1 according to one embodiment of the present invention, the fixing portion 16 of the fixed fishhook 20 has a convex shape that matches the shape of the recess 12 of the sinker 2, thereby restricting movement of the fixed fishhook 20 in the rotational direction and the direction in which the fixed fishhook 20 is inserted into the recess 12. As shown in Figures 4 and 5, in the cutlassfish tenaya 1 according to one embodiment of the present invention, the fixing portion 16 of the fixed fishhook 20 or the locked portion 9 of the rotating fishhook 3 is inserted into the recess 12 of the sinker 2 and fixed thereto. By forming the recess 12 into, for example, a substantially rectangular parallelepiped shape, the fixing portion 16 can be selected to have a shape that matches the recess 12, and when the fixing portion 16 is inserted into the recess 12, movement of the fixing portion 16, including in the rotational direction and the left-right direction, can be reliably restricted by the recess 12.

[0035] 4 and 5, in the hairtail tenya 1 according to one embodiment of the present invention, the fixed portion 16 of the fixed fishhook 20 (an example shown in FIG. 4) or the locked portion 9 of the rotary fishhook 3 (an example shown in FIG. 5) is inserted into the recess 12 by the locking portion 8 and fixed. In the hairtail tenya 1 according to one embodiment of the present invention, the locking portion 8 is a screw member and a nut member as shown in FIG. 4, and the fixed portion 16 of the fixed fishhook 20 or the locked portion 9 of the rotary fishhook 3 is fixed in the recess 12 by using a screw member and a nut member provided on the sinker 2. In this way, the recess 12 not only plays a role as a movement restricting portion, but also the fixing portion 16 or the locked portion 9 can be reliably fixed in the recess 12 by the locking portion 8 (for example, a screw member and a nut member).

[0036] Furthermore, in the hairtail tenaya 1 according to one embodiment of the present invention, when the locked portion 9 of the rotary fishing hook 3 is locked in the recess 12, the shank 4 is made rotatable relative to the recess 12, and when the locked portion 9 of the rotary fishing hook 3 is fixed to the sinker 2 by the locking portion 8 (for example, a screw member and a nut member), the locking portion 8 (for example, a screw member and a nut member) is provided at a position outside the range of rotational movement of the shank 4. In this way, the locking portion 8 (for example, a screw member and a nut member) can be configured not to hinder the rotation of the shank 4 of the rotary fishing hook 3.

[0037] In the hairtail tenya 1 according to one embodiment of the present invention, the rear end of the shank 4 of the fixed fishing hook 20 is fixed to the fixing part 16 by insert molding or adhesive bonding. The shank 4 is configured not to rotate relative to the fixing part 16; for example, the shank 4 is configured to be inserted into the fixing part 16, which is formed to fit the recess 12, and fixed inside the fixing part 16. Also, as shown in FIG. 4 , in the hairtail tenya 1 according to one embodiment of the present invention, the fixing part 16 of the rotating fishing hook 3 is provided with a protruding part (eye) 15 that protrudes from the fixing part 16 on the same side as the extending side of the shank 4. In the illustrated example, the protruding part (eye) 15 is formed on the fixing part 16 at a position spaced apart from the shank 4, which leads to the fixing part 16 being supported over a wider area within the sinker part 2, and as a result, the fixing part 16 is configured to reliably restrict relative movement with respect to the sinker part 2.

[0038] In a hairtail tenaya 1 according to one embodiment of the present invention, the fixed fishhook 20 and the rotary fishhook 3, which are replaceably attached to the sinker 2, are configured to be the same weight. In this way, whether the fixed fishhook 20 or the rotary fishhook 3 is replaced, the weight of the entire tackle (the sinker 2 and the fixed fishhook 20, or the sinker 2 and the rotary fishhook 3) is the same, so the user can fish without worrying about the weight of the tackle regardless of which one is replaced. Also, in a hairtail tenaya 1 according to one embodiment of the present invention, the fixed fishhook 3 replaceably attached to the sinker 2 is selected from a plurality of fixed fishhooks 3 with different weights of the fixed portion 16. In this way, the specific gravity (the weight of the fixed portion 16 relative to the sinker 2) can be changed, so the weight of the entire tackle can be changed simply by replacing the fixed fishhook 20, allowing the user to fish as desired without spending time on replacement.

[0039] In the hairtail tenya 1 according to one embodiment of the present invention, the recess 12 of the sinker 2 is selected from a plurality of sinkers 2 of different weights, each having a recess 12 formed to fit the dimensions of the fixed part 16 of the fixed fishing hook 20. In this way, by changing the sinker 2 of different weights, it is possible to change the weight of the entire tackle.

[0040] The fixed fishing hook 20 according to one embodiment of the present invention is a fixed fishing hook 20 that is attached to the sinker 2 of a hairtail tenaya 1, and is configured to have a shaft 4, a hook part 5 provided on the tip side of the shaft 4, and a fixed part 16 to which the rear end side of the shaft 4 is attached, and which is replaceably attached to the recess 12 of the sinker 2 of the hairtail tenaya 1. Furthermore, the fixed part 16 is fixed in a state where it is inserted into the recess 12 of the sinker 2 by the above-mentioned locking part 8.

[0041] According to the hairtail tenaya 1 of one embodiment of the present invention, it is possible to provide a fixed fishing hook for use with a hairtail tenaya that is small and easy to attach and detach from the sinker part, and that can more easily and securely fix either a fixed fishing rig (fishing hook) or a rotating fishing rig (fishing hook).

[0042] Next, with reference to FIG. 5, the rotary fishing hook 3 of the hairtail tenaya 1 according to one embodiment of the present invention will be further described. Note that, for ease of explanation, the piercing hook 6 is not shown in FIG. 5 and subsequent figures. As shown in FIG. 5, the hairtail tenaya 1 according to one embodiment of the present invention comprises a weight 2, a rotary fishing hook 3 attached to the weight 2 and having a shaft 4 and a piercing hook 5 attached to the tip of the shaft 4, and a piercing hook 6 attached to the upper side of the shaft 4 for piercing and holding bait. The weight 2 has a locking portion 8, and the shaft 4 of the rotary fishing hook 3 has a locked portion 9 rotatably locked to the locking portion 8. Preferably, the shaft 4 is positioned below the center of the weight 2 in the height direction (the center of the weight 2 in the vertical direction (not shown) of the paper of FIG. 5). This allows the shaft 4 to swing faster, making it easier to pierce the hairtail. Furthermore, when bait is attached, it is less likely to protrude above the sinker 2, and therefore less resistance is encountered in the water. Preferably, the shaft 2 is rotatable relative to the locking part 8 within a range of 15 to 35 degrees. The shaft 2 is provided with an elastic member 10, which will be described later, and the elastic member 10 is provided with a protrusion (eye) 17 that protrudes outward from the sinker. This not only serves to make it easier to remove the rotary fishhook 3 from the sinker 2, but also to secure the wire.

[0043] According to the hairtail tenya 1 of one embodiment of the present invention, when a hairtail bites the bait and exerts force on the hook, the hook rotates relative to the sinker, automatically impaling the hairtail. Furthermore, the hook is detachable from the sinker to accommodate various sizes of bait. More specifically, when a fish bites from below, the rotating hook 3 is pulled downward, causing it to move downward relative to the sinker 2 and impale the fish. In particular, for hairtails, which have a habit of biting and damaging bait with their sharp teeth or pulling it downward (kickback), the automatic impalement of the hook upon biting eliminates the need for the angler to strike the bait. This allows for quicker reeling and improved catches. Here, "automatically" refers to the fact that the downward force of the hairtail fish rotates the baited hook relative to the sinker, thereby enabling the hook to impale the hairtail without the need for any special mechanism. As described above, the hairtail tenya 1 according to one embodiment of the present invention has a simple structure that is not large-scale, so that it is difficult for fish to notice it, improving the catch.

[0044] Next, the hairtail tenya 1 and the rotary fishing hook 3 according to one embodiment of the present invention will be described again with reference to Figure 6. Figure 6 shows an exploded perspective view of the hairtail tenya 1 and the fishing hook 3 according to one embodiment of the present invention. As shown in the figure, the weight part 2 is provided with a locking part 8 (a screw member and a nut member in the illustrated example), and the rotary fishing hook 3, which has a locked part 9, is attached to the locking part 8 by being inserted into the recess 12 of the weight part 2.

[0045] In the illustrated example, the fishhook 3 is provided with an elastic member 10 (a torsion spring in the illustrated example), and the hook 8 is inserted into a gap 11 in the elastic member 10, thereby locking the fishhook 3 to the hook 8 of the sinker 2. In the illustrated example, the elastic member 10 is attached to the shank 4 of the fishhook 3 by wrapping and soldering a wire around it. In this illustrated example, the elastic member 10 also serves as the hooked part 9, but this is not the only possible configuration. The hooked part 9 provided at the end of the shank 4 of the fishhook 3 can also be directly locked to the hook 8. In this specification, both of these cases will be referred to as the hook 9, as previously mentioned.

[0046] In this way, in the hairtail tenaya 1 according to one embodiment of the present invention, the shaft 4 of the fishing hook 3 is spring-biased within the sinker 2, and when a load equal to or greater than a predetermined load is applied, the shaft 4 is rotatable downward (downward in the vertical direction of the paper in FIG. 3 ). The predetermined load is preferably set to a value corresponding to the weight of the bait used by the angler. In other words, the shaft 4 is configured so that it does not rotate when the bait is placed on it alone, but remains horizontal in the water, and rotates when the hairtail scratches (attempts to damage the bait). For example, when using sardines as bait, the shaft 4 is designed to rotate with a force greater than the weight of the sardines (e.g., approximately 50 to 70 grams for an average sardine, approximately 80 to 100 grams for a large sardine), so that the fishing hook 3 does not easily move (rotate) due to the weight of the bait alone. In this way, the fishing hook 3 cannot pierce the fish by the weight of the bait alone, so the cutlassfish can bite the bait, and as a result, the hook is quickly pierced and the cutlassfish is less likely to escape.

[0047] In a hairtail tenya 1 according to one embodiment of the present invention, an elastic member is provided on the shank 4 of the fishing hook 3, thereby applying a biasing force to the shank. Examples of such elastic members include, but are not limited to, a leaf spring, a torsion spring, or rubber. FIG. 7 shows an example of a case in which a leaf spring is used as the elastic member 10. In the example shown in FIG. 7, an annular leaf spring is used, and the end of the leaf spring is attached to the shank 4 by welding. By providing the elastic member 10 on the shank 4 in this way, the shank 2 can rotate relative to the locking portion 8 within a range of 15 to 35 degrees from the horizontal position.

[0048] In a hairtail tenya 1 according to one embodiment of the present invention, the shaft 4 of the fishing hook 3 is restricted from moving upward (upward in the vertical direction of the paper surface of FIG. 2) from the initial position of the shaft 4 (the position of the shaft 4 shown in FIG. 2). This is achieved by the upper part of the shaft 4 abutting against the upper inner wall 14 of the slit 12 within the slit 12. Hairtail fish often bite from the underside of the bait 2, so restricting upward movement makes it difficult for the hairtail fish to move away from the tip of the hook, improving catches.

[0049] The dimensions, materials, and arrangement of each component described in this specification are not limited to those explicitly described in the embodiments, and each component can be modified to have any dimensions, materials, and arrangement that can be included in the scope of the present invention. Furthermore, components not explicitly described in this specification can be added to the described embodiments, and some of the components described in each embodiment can be omitted. [Explanation of symbols]

[0050] 1 Tenya for hairtail 2 Weight part 3 Rotating Fishing Hooks 4 Shaft 5 Needle 6. Needle 7 Ring-shaped part (ring) 8 Locking part 9 Locked part 10 Elastic member 11 Void area 12 recess 13 Opening 14 Upper inner wall 15 Eye 16 Fixed part 17 Eye 20 Fixed fishing hook

Claims

1. a weight portion having a recess; A tenya for hairtail fish is characterized by comprising either a fixed fishing hook having a shaft, a needle portion provided at the tip side of the shaft, and a fixed portion to which the rear end side of the shaft is attached, the fixed portion being replaceably attached to the recess of the weight portion, or a rotary fishing hook which is replaceably attached to the recess of the weight portion and has a shaft, a needle portion provided at the tip side of the shaft, and an engaged portion connected to the rear end side of the shaft, the engaged portion being replaceably attached to the recess of the weight portion.

2. 2. The hairtail tenya according to claim 1, wherein the fixing portion of the fixed fishing hook or the latched portion of the rotary fishing hook is inserted into the recess and fixed.

3. 3. The hairtail tenya according to claim 2, wherein the fixing portion of the fixed fishing hook or the locked portion of the rotary fishing hook is inserted into the recess by a locking portion and fixed.

4. The tenya for hairtail fish according to claim 3, wherein the locking portion is a screw member and a nut member, and the fixed portion of the fixed fishing hook or the locked portion of the rotating fishing hook is fixed by a screw member and a nut member provided on the weight portion.

5. 5. The tenya for hairtail fish according to claim 4, wherein when the engaging portion of the rotary fishing hook is engaged in the recess, the shaft portion is made rotatable relative to the recess, and when the engaging portion of the rotary fishing hook is fixed to the sinker portion by the screw member and nut member, the screw member and nut member are positioned outside the range of rotational movement of the shaft portion.

6. The swordfish tenya according to claim 1, wherein the rear end side of the shaft portion is fixed to the fixing portion by insert molding or adhesive.

7. The fixed part of the fixed fishing hook has a convex shape that matches the shape of the concave part of the sinker part, thereby restricting the movement of the fixed fishing hook in the rotation direction and the insertion direction of the fixed fishing hook into the concave part.

8. The hairtail tenya according to claim 1, wherein the fixing portion is provided with an eye that protrudes from the fixing portion on the same side as the extending side of the shaft portion.

9. 2. The cutlassfish tenya according to claim 1, wherein the fixed fishing hook and the rotary fishing hook replaceably attached to the sinker portion have the same weight.

10. 2. The hairtail tenya according to claim 1, wherein the fixed fishing hook replaceably attached to the weight portion is selected from a plurality of fixed fishing hooks having different weights of the fixed portion.

11. The tenya for hairtail fish according to claim 1, wherein the recess of the sinker is selected from a plurality of sinkers having recesses of different sizes formed to match the dimensions of the fixed portion of the fixed fishing hook.

12. The tenya for hairtail fish as described in claim 1, wherein the shaft portion of the rotating fishing hook is spring-loaded inside the weight portion, and when a load greater than a predetermined load is applied, the shaft portion is made rotatable in a downward direction of the shaft portion.

13. 2. The cutlassfish tenya according to claim 1, wherein an elastic member is provided on the shaft portion of the rotary fishing hook, thereby applying a biasing force to the shaft portion.

14. The hairtail tenya according to claim 13, wherein the elastic member is a leaf spring, a torsion spring, or rubber.

15. A fixed fishing hook attached to the sinker of a swordfish tenya, A fixed fishing hook characterized by having a shaft portion, a hook portion provided at the tip side of the shaft portion, and a fixing portion to which the rear end side of the shaft portion is attached, the fixing portion being replaceably attached to the recess of the sinker portion of the swordfish tenya.

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