Fishing spinning reel spool
Patent Information
- Application Number
- JP2021177381
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- Filing Date
- 2021-10-29
- Publication Date
- 2025-03-13
- Estimated Expiration
- 2041-10-29
AI Technical Summary
【0021】 本発明に係る魚釣用スピニングリールのスプールによれば、スプールに対する発音体の取り付けが行い易く、しかも小型化及び軽量化を実現しつつ発音性に優れる。
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Abstract
Description
[Technical field]
[0001] The present invention relates to a spool for a spinning fishing reel. [Background technology]
[0002] Generally, fishing spinning reels are equipped with a spool shaft that moves back and forth in response to the rotation of the handle, and a spool is attached to the spool shaft. The spool is configured to be rotatable relative to the spool shaft, and the spool shaft and the spool are equipped with a click mechanism that notifies the user of the relative rotation. The click mechanism includes a sound-generating member provided on the spool shaft side and a sound-generating body provided on the spool side.
[0003] Conventionally, known techniques relating to a sounding body provided on the spool side are disclosed in Patent Documents 1 and 2. In Patent Document 1, a recess is formed on the inside of the fishing line winding body of the spool, and multiple screw holes are formed in the bottom surface of the recess, and the sounding body is fixed by screws. In Patent Document 1, the sound generating body is configured as a separate member from the spool, so there is no need to form the sound generating body integrally with the spool when manufacturing the spool, making it easier to manufacture the spool.
[0004] Moreover, in Patent Document 2, a drag sound generating mechanism is provided around the axis of the spool shaft, and this is covered with a cover member that is attached by screwing. [Prior art documents] [Patent documents]
[0005] [Patent Document 1] JP 2004-105097 A [Patent Document 2] JP 2006-217849 A Summary of the Invention [Problem to be solved by the invention]
[0006] However, Patent Document 1 has a structure in which the sound-producing body is attached to the spool by screwing in multiple screws scattered around the spool, which makes the work of aligning the sound-producing body with the screw holes and tightening multiple screws complicated, and improvements in this area were desired. Furthermore, in order to ensure the screw thread allowance, the thickness of the recess must be increased, which leads to an increase in the size and weight of the spool.
[0007] The structure of Patent Document 2 has a cover member that covers the drag sound generating mechanism, which makes the assembly work of the sound generating body complicated and also makes the sound prone to being muffled.
[0008] The present invention was created to solve such problems, and its object is to provide a spool for a fishing spinning reel that allows easy attachment of a sound-producing body to the spool, is compact and lightweight, and has excellent sound-producing properties. [Means for solving the problem]
[0009] In order to solve the above problems, the spool of a fishing spinning reel according to the present invention comprises a spool body having an insertion hole through which a spool shaft is inserted, a threaded portion provided inside the spool body and formed concentrically with the insertion hole when viewed in the axial direction of the insertion hole, and a sound-producing body provided separately from the spool body. The sound-producing body comprises an inner circumferential wall having a screw threaded portion that screws into the threaded portion and is formed concentrically with the insertion hole, an outer circumferential wall that is spaced apart radially outward from the inner circumferential wall and has a ratchet groove for producing sound that is concentric with the insertion hole, and a bottom wall that connects the inner circumferential wall and the outer circumferential wall. The sound-producing body comprises a concave portion surrounded by the inner circumferential wall, the outer circumferential wall, and the bottom wall.
[0010] In this fishing spinning reel spool, the sounding body can be attached to the spool body by directly screwing the engagement thread of the sounding body into the threaded portion provided on the inside of the spool body. In other words, the sounding body can be attached simply by tightening the sounding body itself in the screwing direction, eliminating the need for the conventional complicated installation work using multiple screws, and making the installation of the sounding body simple. In addition, since there is no need to secure a screw margin as in the conventional method, the spool body can be made thinner, making it possible to reduce the size and weight of the spool body.
[0011] Furthermore, compared to conventional screw fastening using a plurality of screws scattered around the circumferential direction, the nominal diameter of the screws can be made larger, so the screw engagement dimension in the circumferential direction is increased, improving the mounting strength of the sounding body. In addition, since the nominal diameter of the screw can be increased, there is no need to secure a long thread allowance. This allows the spool body to be made smaller in the axial direction. In addition, the axial space saved by shortening the thread allowance to be used to add friction plates for drag adjustment, etc.
[0012] Furthermore, since the sound generating body has a concave portion surrounded by the inner peripheral wall, the outer peripheral wall, and the bottom wall, the sound resonates easily and the sound generating properties are excellent.
[0013] The spool body preferably includes a bearing for supporting the spool shaft. In this case, the bearing, the sounding body, and the outer diameter portion of the spool body are preferably arranged in this order from the axis of the insertion hole toward the outside in the radial direction.
[0014] With this configuration, the bearings, sound generating body and outer diameter portion of the spool body are arranged in the radial direction, so that these components are not arranged in the axial direction of the spool, enabling the spool to be made smaller in the axial direction.
[0015] The sounding body is preferably made of resin. In this case, the resin is preferably a fiber-reinforced resin that contains fibers.
[0016] In this configuration, for example, by making the sound-producing member out of metal, a difference in hardness can be created between the sound-producing member and the sound-producing body, making it easier for the sound to resonate. Also, wear is reduced compared to when the sound-producing body and sound-producing member are made of metal, improving durability. Also, when the sound-producing body is made of fiber-reinforced resin, the sound quality is higher in the range compared to when it is not used, improving the sound-producing effect.
[0017] It is also preferable that the sound generating body be detachable from the spool body by screwing the engaging threaded portion into the threaded portion.
[0018] In this configuration, by preparing a plurality of sound producing bodies with different sound qualities, the sound producing bodies can be selectively replaced, thereby realizing a wide variety of spool variations.
[0019] It is also preferable that the threaded portion is a male threaded portion, and the mating threaded portion is a female threaded portion.
[0020] With this configuration, a space for forming an insertion hole inside the threaded portion can be easily secured, and a space for arranging members such as a bearing inside the threaded portion can be easily secured. Effect of the Invention
[0021] According to the spool of the fishing spinning reel of the present invention, the sound generating body can be easily attached to the spool, and the sound generating body is excellent while being compact and lightweight. [Brief description of the drawings]
[0022] [Figure 1] 1 is a schematic side view showing a fishing spinning reel that employs a spool according to an embodiment of the present invention. [Diagram 2] 3 is an enlarged cross-sectional view, with some parts omitted, showing a sound-producing body provided on a spool and a sound-producing member attached to a spool shaft according to one embodiment of the present invention. FIG. [Diagram 3]3 is a diagram showing a sound generating body provided on the spool and a sound generating member attached to a spool shaft according to one embodiment of the present invention, and is an enlarged cross-sectional view taken along line III-III in FIG. 2. [Figure 4] FIG. 2 is an enlarged vertical cross-sectional view showing a spool according to one embodiment of the present invention. [Diagram 5] 1A and 1B are diagrams showing a spool according to one embodiment of the present invention, in which (a) is a perspective view seen diagonally from the left rear, and (b) is an exploded perspective view seen from the rear. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
[0023] A spool of a fishing spinning reel according to one embodiment of the present invention will be described below with reference to the drawings as appropriate. In the description of the embodiment, "up and down" and "front and back" refer to the directions shown in Fig. 1, and "left and right" refer to the directions shown in Fig. 2.
[0024] As shown in FIG. 1, a fishing spinning reel R1 mainly comprises a reel body 1 having legs 1A for attachment to a fishing rod (not shown), a rotor 2 rotatably mounted in front of the reel body 1, and a spool 10 movable back and forth in synchronization with the rotational motion of the rotor 2.
[0025] A handle shaft 3 is rotatably supported by the reel body 1 via a bearing (not shown), and a handle 4 for use in winding is attached to the protruding end of the handle shaft 3. A shaft cylinder is fixed to the handle shaft 3 in a manner that prevents it from rotating. A drive gear 6 having internal teeth for winding and driving the rotor 2 is formed integrally with this shaft cylinder. This drive gear 6 extends in a direction perpendicular to the handle shaft 3 and meshes with a pinion gear 7a of a drive shaft cylinder 7 having a hollow portion extending axially therein.
[0026] The drive shaft tube 7 is rotatably supported on the reel body 1 via bearings, and a spool shaft 8 extending in a direction perpendicular to the handle shaft 3 and having a spool 10 attached to its tip end is inserted into its hollow portion so as to be movable in the axial direction.
[0027] A known oscillating mechanism 9 for moving the spool shaft 8 back and forth is provided at the rear end of the spool shaft 8.
[0028] The drive shaft cylinder 7 extends toward the spool 10, and the rotor 2 is attached to its front end via a nut 7b (see FIG. 2). Note that the drive shaft cylinder 7 is restricted from rotating in the reverse direction (rotating in the fishing line releasing direction) by a one-way clutch (not shown).
[0029] The rotor 2 includes a cylindrical portion 2a (see FIG. 2) located within the skirt portion 10a of the spool 10, and a pair of arm portions 2b, 2c. At the front end of each arm 2b, 2c, bail support members 2d, 2e are supported so as to be rotatable between a line winding position and a line releasing position, and a bail 2f for picking up the released fishing line is disposed between these bail support members 2d, 2e. One base end of the bail 2f is attached to a line roller 2g that is integrally provided with the bail support member 2d, and the other base end is attached to the bail support member 2e.
[0030] 1, the spool 10 has a cylindrical shape and is provided with a fishing line winding body 10c around which a fishing line (not shown) is wound between a skirt portion 10a and a front flange 10b. The details of the spool 10 will be described later.
[0031] In such a fishing spinning reel R1, when the handle 4 is operated for reeling, the rotor 2 is rotated via the drive gear 6 and the pinion gear 7a, and the spool 10 is moved back and forth via the pinion gear 7a and the oscillating mechanism 9. As a result, the fishing line (not shown) is evenly wound around the fishing line winding trunk 10c of the spool 10 via the line roller 2g.
[0032] Next, a detailed description will be given of the spool 10. The spool 10 includes a spool body 11 and a sound generating body 20 provided separately from the spool body 11, as shown in Figs. As shown in Fig. 2, the spool body 11 is attached to the spool shaft 8 via a retaining member 30. The spool shaft 8 has a body portion 8a having a circular cross section and a tip portion 8b having a substantially oval cross section. The outer circumferential surface of the tip portion 8b has a straight portion and a curved portion. A step portion 8c is formed at the boundary between the body portion 8a and the tip portion 8b. The holding member 30 is attached to the tip portion 8b. A through hole 8d is formed in the tip portion 8b, penetrating in the direction perpendicular to the axis. A locking pin 33 for locking the holding member 30 is inserted into the through hole 8d.
[0033] The holding member 30 is cylindrical and has a base 31a and a flange 31b through which the tip 8b of the spool shaft 8 is inserted. The base 31a has a circular inner periphery 31c (see FIG. 3) having an inner diameter that is fitted to the curved portion of the tip 8b having a substantially oval cross section, and an inner periphery 31d (see FIG. 2) having a substantially oval cross section that is formed in front of the circular inner periphery 31c and is fitted to both the straight and curved portions of the tip 8b having a substantially oval cross section. The inner periphery 31d has a through hole 32 through which a locking pin 33 is inserted. The through hole 32 is connected to the through hole 8d of the tip 8b of the spool shaft 8. The holding member 30 is attached so as to be immovable in the axial direction and imrotatable in the axial direction by locking the locking pin 33 to the through hole 8d through the through hole 32.
[0034] A rear bearing 18b made of a bearing is fitted onto the outer surface of the rear part of the base 31a. The rear bearing 18b is held in place by a washer 34 arranged on the rear end surface of the base 31a. A support part 41 constituting a sound-producing member 40 is sandwiched between the washer 34 and the step part 8c of the spool shaft 8. The sound-producing member 40 includes the support part 41 made of metal and a click pawl spring 42 supported by the support part 41.
[0035] As shown in Fig. 3, the support portion 41 has four hook portions 41a extending on both the left and right sides. The click claw spring 42 has a generally U-shape when viewed from the front, and has an abutment portion 44 protruding to the left. The abutment portion 44 is disposed between the left hook portions 41a, 41a. In addition, both ends 45, 45 of the click claw spring 42 are engaged with the right hook portions 41a, 41a.
[0036] As shown in Fig. 2, a support wall 12 and a middle wall 13 are formed on the inside of the spool body 11 as structures for holding the spool body 11 on the holding member 30. The support wall 12 is generally disk-shaped and extends radially inward from the inner surface of the fishing line winding trunk portion 10c. The middle wall 13 is cylindrical and extends rearward from the extended end of the support wall 12. A sound-generating body 20 is attached to the rear of the middle wall 13 by a screw structure, which will be described later. A cylindrical drag housing portion 18 (see Fig. 4) is formed on the front side of the support wall 12.
[0037] The middle wall 13 is formed concentrically with the central axis O1 of the spool body 11, as shown in FIG. 4, and on its inside is formed an insertion hole 19 through which a part of the retaining member 30 and the tip portion 8b of the spool shaft 8 are inserted, as shown in FIG. 2. 2, the middle wall 13 has a large diameter portion 13a continuing to the support wall 12, and a small diameter portion 14 continuing to the rear side of the large diameter portion 13a. A step portion 16 (see FIG. 4) is formed on the outer surface of the middle wall 13 at the boundary between the large diameter portion 13a and the small diameter portion 14.
[0038] A ring-shaped partition wall 15 is formed on the inner peripheral surface of the large diameter portion 13a to divide the inner peripheral surface of the large diameter portion 13a into front and rear portions. A front bearing 18a made of a bearing is fitted into the inner peripheral surface of the large diameter portion 13a on the front side of the partition wall 15. The front bearing 18a is held in place by a retaining member 13b engaged with the inner peripheral surface of the large diameter portion 13a and the partition wall 15. An inner ring of the front bearing 18a is attached to the front outer peripheral surface of the base portion 31a of the holding member 30. The rear surface of the partition wall 15 abuts against the front surface of the flange portion 31b of the holding member 30 via two washers 35. The front bearing 18a and the rear bearing 18b are arranged side by side in the front-rear direction between the holding member 30 and the middle wall 13. As a result, the spool body 11 is stably held at the tip end 8b of the spool shaft 8 by the two front and rear bearings 18a, 18b.
[0039] 2 and 4, the small diameter portion 14 is a portion to which the sounding body 20 is attached. A male threaded portion 14a that functions as a screw portion of a screw-fit structure is formed on the outer peripheral surface of the rear portion of the small diameter portion 14. The male threaded portion 14a is formed concentrically with the insertion hole 19 when viewed in the axial direction of the insertion hole 19. In other words, the male threaded portion 14a is arranged concentrically with a circle centered on the central axis O1 of the spool. On the other hand, an outer ring of a rear bearing 18b is attached to the inner peripheral surface of the rear part of the small diameter portion 14, the outer ring being fitted onto the holding member 30 side.
[0040] The sound generating body 20 is a member that is attached to the middle wall 13 of the spool body 11 by a screw structure, and has a cylindrical shape. The sound generating body 20 is entirely made of resin, for example, fiber-reinforced resin containing carbon fiber, glass fiber, or the like. In other words, the click pawl spring 42 serving as the sound generating member has a different hardness.
[0041] 2 and 4, the sounding body 20 includes a ring-shaped bottom wall 21, an inner circumferential wall 22 extending rearward from a radially inner portion of the bottom wall 21, and an outer circumferential wall 23 disposed radially outward from the inner circumferential wall 22 with a gap therebetween and extending rearward from a radially outer portion of the bottom wall 21. The sounding body 20 includes a recessed portion (annular recessed space) 25 surrounded by the bottom wall 21, the inner circumferential wall 22, and the outer circumferential wall 23. The recessed portion 25 opens annularly toward the rear, as shown in FIGS. 4, 5(a) and 5(b).
[0042] 2, 4, and 5(b), a female thread portion 22a that functions as a screw thread portion of the screw structure is formed on the entire inner peripheral surface of the inner peripheral wall 22. The female thread portion 22a can be screwed into the male thread portion 14a of the middle wall 13 (see FIGS. 2 and 4).
[0043] A ratchet groove 24 is formed on the inner peripheral surface of the outer peripheral wall 23. An abutment portion 44 of a click pawl spring 42 resiliently abuts against the ratchet groove 24. 2 and 4, the rear end of the outer peripheral wall 23 protrudes rearward from the rear end of the inner peripheral wall 22, and is disposed in the inner region of the skirt portion 10a, utilizing the space formed between the outer peripheral wall 23 and the cylindrical portion 2a of the rear rotor 2. As a result, the region of the recessed portion 25 surrounded by the outer peripheral wall 23 expands toward the rear. This contributes to improving the sound-producing effect. In addition, the rear end of the outer peripheral wall 23 expands in diameter in a tapered shape, and functions as a guide for the click pawl spring 42 during assembly. As shown in Fig. 4, a gap S1 is formed between the outer peripheral wall 23 and the fishing line winding trunk portion 10c and the skirt portion 10a (line stopper portion 10s) of the spool body 11 on the radially outer side. The gap S1 functions as a finger insertion portion when attaching and detaching the sound generating body 20 to and from the spool body 11. The gap S1 also makes it easier for the sound of the sound generating body 20 to resonate.
[0044] When attaching the sounding body 20 to the spool body 11, the sounding body 20 is inserted into the inside of the skirt portion 10a from the rear of the spool body 11, the inner peripheral wall 22 of the sounding body 20 is aligned with the small diameter portion 14 of the middle wall 13 of the spool body 11, and the sounding body 20 is rotated in the screwing direction. As a result, the female thread portion 22a is screwed into the male thread portion 14a, and the sounding body 20 is attached to the spool body 11 (middle wall 13). The bottom wall 21 of the sounding body 20 is abutted against the step portion 16 of the middle wall 13 by screwing, and this abutment presses and fixes the sounding body 20 to the middle wall 13. Since the bottom wall 21 of the sounding body 20 abuts against the step portion 16, damage due to over-tightening of the sounding body 20 can be prevented. After attachment, the sounding body 20 can be removed from the spool body 11 by releasing the screwing (see Figs. 5(a) and (b)).
[0045] When the sound producing body 20 is attached to the spool body 11, as shown in FIG. 2, the rear bearing 18b, the sound producing body 20, and the outer diameter portion of the spool body 11 (the fishing line winding body portion 10c and the skirt portion 10a) are arranged in this order from the axis of the insertion hole 19 (the central axis O1 of the spool body 11) toward the radially outward direction.
[0046] In addition, since the male threaded portion 14a is arranged concentrically with the insertion hole 19 when viewed in the axial direction of the insertion hole 19, the female threaded portion 22a that screws into it is also arranged concentrically with the insertion hole 19.
[0047] According to the present embodiment described above, the sounding body 20 can be attached to the spool body 11 by directly screwing the screw thread portion 22a of the sounding body 20 into the male screw portion 14a provided on the inside of the spool body 11. In other words, the attachment of the sounding body 20 is completed simply by tightening the sounding body 20 in the screwing direction, which eliminates the need for the conventional complicated attachment work using multiple screws, and simplifies the attachment of the sounding body 20. In addition, since there is no need to secure a screw margin as in the conventional case, the spool body 11 can be made thinner, and the spool body 11 can be made smaller and lighter.
[0048] Furthermore, compared to conventional screw fastening using a plurality of screws scattered in the circumferential direction, the nominal diameter of the screws can be made larger, so the screw engagement dimension in the circumferential direction is increased, improving the mounting strength of the sounding body 20. In addition, since the nominal diameter of the screw can be increased, there is no need to secure a long thread allowance, which allows the spool body 11 to be made smaller in the axial direction. In addition, the axial space saved by shortening the thread allowance to be used to additionally install friction plates for drag adjustment, etc.
[0049] Furthermore, the sound generating body 20 has a recessed portion 25 surrounded by the inner peripheral wall 22, the outer peripheral wall 23 and the bottom wall 21, so that sound resonates easily and the sound generating properties are excellent.
[0050] In addition, the spool 10 has a layout in which the rear bearing 18b, the sound generating body 20, and the outer diameter portion of the spool body 11 are aligned radially outward from the axis of the insertion hole 19 (the central axis O1 of the spool body 11). This allows the spool 10 to be made smaller in the axial direction.
[0051] Furthermore, because the sounding body 20 is made of resin and the sounding member 40 (click pawl spring 42) is made of metal, a difference in hardness can be provided between the two, making it easier for the sound to resonate. Furthermore, wear is reduced compared to when the sounding body 20 and the sounding member 40 (click pawl spring 42) are made of metal, improving durability. Furthermore, when the sounding body 20 is made of fiber-reinforced resin such as carbon fiber or glass fiber, the sound quality is higher in the range than when this is not used, improving the sounding effect.
[0052] Furthermore, since the sounding body 20 is detachable from the spool body 11 by screwing the female thread 22a into the male thread 14a, multiple types of sounding bodies 20 with different sound qualities can be prepared, allowing the sounding bodies 20 to be selectively replaced. This allows for a wide variety of spool 10 variations.
[0053] In addition, since the threaded portion is the male threaded portion 14a and the mating threaded portion is the female threaded portion 22a, it is possible to easily ensure space for forming the insertion hole 19 inside the male threaded portion 14a (small diameter portion 14). In addition, it is possible to easily ensure space for arranging the rear bearing 18b and other members inside the male threaded portion 14a (small diameter portion 14).
[0054] Although the embodiment of the present invention has been described above, the present invention is not limited to the above embodiment, and can be appropriately modified without departing from the spirit of the present invention. For example, the sound-producing member 40 is configured to include a metallic click pawl spring 42, but is not limited to this, and may be configured, for example, to use the elastic force of a spring to cause an abutment member attached to the tip of the spring to protrude into and retract from the ratchet groove 24 of the sound-producing body 20. In this configuration, the abutment member abuts against the ratchet groove 24 so as to be perpendicular thereto, thereby producing a crisp abutment sound. This improves the sound-producing effect.
[0055] In addition, in the above embodiment, a male threaded portion 14a is provided on the small diameter portion 14 of the middle wall 13, and a female threaded portion 22a is provided on the inner wall 22 of the sounding body 20, but this is not limited to this, and a female threaded portion may be provided on the small diameter portion 14 of the middle wall 13, and a male threaded portion may be provided on the inner wall 22 of the sounding body 20.
[0056] In addition, in the above embodiment, a male threaded portion 14a is provided on the small diameter portion 14 of the middle wall 13, but a male threaded portion may be provided on the outer peripheral surface of the large diameter portion 13a of the middle wall 13, and a female threaded portion that screws into this may be provided on the inner peripheral wall 22 of the sounding body 20.
[0057] Furthermore, the ratchet groove 24 and the click pawl spring 42 of the sound generating body 20 may be of various forms and shapes. [Explanation of symbols]
[0058] 8 Spool shaft 10 Spools 11 Spool body 14a Male threaded part (threaded part) 18a Front bearing (bearing) 18b Rear bearing (bearing) 19 Insertion hole 20 Sound body 21 Bottom wall 22 Inner wall 22a Female thread (screwed part) 23 Outer wall 25 Concave part R1 Fishing Spinning Reel
Claims
1. a spool body having an insertion hole through which a spool shaft is inserted; a threaded portion provided on the inside of the spool body and formed concentrically with the insertion hole when viewed in the axial direction of the insertion hole; A sound-producing body provided separately from the spool body, The sound generating body is an inner circumferential wall having a screw thread portion that screws into the screw portion and is formed concentrically with the insertion hole; an outer circumferential wall disposed radially outwardly of the inner circumferential wall with a gap therebetween, the outer circumferential wall having a ratchet groove for generating sound concentrically with the insertion hole; A bottom wall connecting the inner peripheral wall and the outer peripheral wall, 1. A spool for a fishing spinning reel, comprising: a recessed portion surrounded by said inner peripheral wall, said outer peripheral wall, and said bottom wall.
2. The spool body includes a bearing that supports the spool shaft, In order from the central axis of the insertion hole toward the radially outward direction, 2. The spool of a fishing spinning reel according to claim 1, wherein the bearing, the sound generating body, and the outer diameter portion of the spool body are disposed on the spool.
3. 3. The spool of a fishing spinning reel according to claim 1 or 2, wherein the sound generating body is made of resin.
4. 4. The spool of a fishing spinning reel according to claim 3, wherein the resin is a fiber-reinforced resin containing fibers.
5. 5. The spool of a fishing spinning reel according to claim 1, wherein the sound generating body is detachable from the spool body by screwing the engaging threaded portion into the threaded portion.
6. 6. The spool of a fishing spinning reel according to claim 1, wherein the threaded portion is a male threaded portion, and the mating threaded portion is a female threaded portion.
Citation Information
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Reel for fishing
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