JP2020130004A - Claw for seafood collection tool - Google Patents

Abstract

To provide a claw for a seafood collection tool capable of reducing the number of spare parts of an arm and a toe prepared for maintaining a function of a claw of seafood.SOLUTION: There is provided a claw for a seafood collection tool comprising: an arm 10 extending in a first direction from a base part 11 to a tip part 15, the base part 11 being fitted to the seafood collection tool; a toe 20 extending in a second direction from a base part 21 to a tip part 25 and digging up soil on a sea bottom by the tip part 25; and a coupling plate 30 for fixing and coupling the tip part 15 of the arm 10 and the base part 21 of the toe 20. The arm 10 and the toe 20 are formed of an elastic metal wire material and a prescribed part including the tip part 15 of the arm 10 can be separated and diverted to the toe 20, and the prescribed part including the tip part 15 of the arm 10 has the same shape to the toe 20, the prescribed part including the tip part 15 separated from a part including a buffer part 13 of the base part 11 on the arm 10 forms the toe 20.SELECTED DRAWING: Figure 3

Description

The present invention relates to the claws of a seafood collecting tool for collecting scallops and the like.

A large rake-shaped tool called Hachishaku has been used for a long time as a fish and shellfish collection tool for catching scallops and the like that live about 3 cm below the seabed. FIG. 1 is a perspective view showing an example of such an eight-shaku 200. A fixed claw 207 called a parent claw and a movable claw 100 called a child claw are arranged in a comb shape on a horizontal bar 205 passed to a net mouth 203 of a bag-shaped net 201 of an eight-shaku 200. There is. The fixed claw 207 is fixed to the horizontal bar 205, and the movable claw 100 is attached to the horizontal bar 205 so as to be removable.

In the following specification, the movable claw 100 will be considered exclusively among the fixed claw 207 and the movable claw 100, and the movable claw 100 will be referred to as the claw 100 of the seafood collecting tool. In the eight-shaku 200 shown in FIG. 1, the seabed is pulled by a towline (not shown) attached to the puller 209, and the claw 100 of the seafood collecting tool scrapes the soil on the seabed to catch scallops and the like sneaking into the soil. It can be collected in a bag-shaped net 201.

FIG. 2 is a perspective view showing an example of a claw of a conventional seafood collecting tool. An example of a claw of a fish and shellfish collecting tool is an arm 110 made of an elastic metal wire having a bent portion 112 and a coiled cushioning portion 113 formed at the base thereof and a bent portion formed at the tip portion. It has a toe 120 made of an elastic metal wire for digging up the soil on the seabed, and a sandwich plate 130 that connects the bent portion of the tip of the arm 110 and the base of the toe 120 (Patent Document 1). 2).

JP-A-2002-51668 Japanese Unexamined Patent Publication No. 2004-97161

By the way, when the scallops sneaking into the soil on the seabed are scraped up by using an example of the claws of a conventional seafood collecting tool as shown in FIG. 2, the toes 120 are gradually worn by the soil or the scallops are worn out. It was sometimes damaged by collision, scratching and breaking. Further, the cushioning portion 113 of the arm 110 may gradually deteriorate so as not to exert a sufficient cushioning action. The worn or damaged toe 120 and the arm 110 with deteriorated cushioning portion 113 were appropriately replaced with replacement parts for the toe tip 120 and cushioning portion 113, respectively. Therefore, in order to maintain the function of the claws of seafood and continue to use it, it is necessary to always prepare a certain number of replacement parts for the arm 110 and the toe 120.

The present invention has been proposed in view of the above circumstances, and an object of the present invention is to reduce the number of replacement parts for the arm and the toe to be prepared for maintaining the function of the claw of seafood.

The claw of the seafood collecting tool according to the present invention extends in the first direction from the base toward the tip, and the arm with the base attached to the fish and shellfish collecting tool and the claw extending in the second direction from the base toward the tip. A predetermined portion including a toe that digs up the soil on the seabed at the tip and a connecting member that fixes and connects the tip of the arm and the base of the toe to each other, and the arm and the toe are made of elastic metal wire and include the tip of the arm. Can be separated and used as a toe.

The predetermined portion including the tip end portion of the arm may have the same shape as the toe tip. A toe may be formed on a predetermined portion of the arm including the tip portion separated from the portion including the base portion.

The first direction and the second direction may be at an angle of approximately 90 ° with each other. A first bent portion for attaching to the seafood collecting tool may be formed at the base of the arm.

At the base of the arm, a buffer portion may be formed adjacent to the first bending portion in the first direction to buffer the fluctuation of the angle of the seafood collecting tool in the plane including the first direction and the second direction. .. The cushioning portion may be formed by coiling the elastic metal wire forming the arm.

A portion having a predetermined length from the end of the tip of the arm forms a second bent portion bent over a predetermined angle, and a portion having a predetermined length from the end of the base of the toe is bent over a predetermined angle. Part may be formed. Even if the second bent portion and the third bent portion are abutted against each other to form a butt portion extending in parallel with the base portion of the arm and the tip portion of the toe in a plane including the first direction and the second direction. Good. The second bent portion and the third bent portion may be bent at an angle of approximately 45 °, respectively.

The connecting member may include a set of sandwiching plates that sandwich and fix the butted portion together with the tip of the arm and the base of the toe. A set of sandwiches may be secured by sandwiching the arm and toe with at least three sets of bolts and nuts.

The connecting member includes a support member including a first groove for receiving the tip of the arm, a second groove for receiving the base of the toe, and an insertion hole sandwiched between the first groove and the second groove for inserting the butt portion. It may include a pressing member that presses the tip of the arm to fix it in the first groove and presses the base of the toe to fix it in the second groove. It may further include at least one set of bolts and nuts that secure the presser member to the support member.

The second bent portion and the third bent portion may be bent over approximately 90 °, respectively.

In the first direction, the connecting member receives a first groove for receiving the tip of the arm, a first insertion hole for inserting the second bent portion, a second insertion hole for inserting the base of the toe, and a second for receiving the third bent portion. It may include a support member having a support surface in which grooves are formed in order, and a pressing member that presses the tip end portion of the arm to fix it to the first groove and presses the third bent portion to fix it to the second groove. Further including a set of bolts and nuts for fixing the support member and the holding member, the bolt is inserted into a third insertion hole formed between the first insertion hole and the second insertion hole on the support surface of the support member. May be good.

The connecting member bends in the second direction from the first direction to the second direction, and bends from the first direction to the second direction in the same manner as the first groove that receives the tip end portion and the second bending portion of the arm, and the third bending portion. A support member having a support surface in which a portion and a second groove for receiving the base of the toe are formed in order, and the tip of the arm and the second bent portion are pressed and fixed to the first groove, and the third bent portion and the toe It may include a pressing member that presses the base portion and fixes it to the second groove. It further includes a set of bolts and nuts for fixing the support member and the presser member, and the bolts may be inserted into an insertion hole formed between the first groove and the second groove on the support surface of the support member.

According to the present invention, it is possible to reduce the number of replacement parts for the arm and the toe that need to be prepared in order to maintain the function of the claw of the seafood collecting tool.

It is a perspective view which shows an example of 8 shaku. It is a perspective view which shows an example of the claw of the conventional seafood collecting tool. It is a figure which shows the claw of the seafood collecting tool of this embodiment. It is a figure which further shows the claw of the seafood collecting tool of this embodiment. It is a figure which shows the 1st modification. It is a figure which shows the 2nd modification. It is a figure which shows the 3rd modification. It is a figure which shows the 4th modification.

Hereinafter, the claws of the seafood collecting tool according to the present embodiment will be described in detail with reference to the drawings. FIG. 3 is a perspective view showing the claws of the seafood collecting tool of the present embodiment. FIG. 3A is a perspective view, and FIG. 3B is an exploded perspective view. FIG. 4 is a diagram further showing the claws of the seafood collecting tool of the present embodiment. 4 (a) is a front view, FIG. 4 (b) is a bottom view, and FIG. 4 (c) is a right side view.

The claws of the seafood collecting tool are an arm 10 extending in the first direction from the base 11 toward the tip 15, a toe 20 extending in the second direction from the base 21 toward the tip 25, and a tip 15 of the arm 10. It has a connecting plate 30 that fixes and connects the base portion 21 of the toe 20 and the base portion 21 of the toe 20 to each other. The first direction and the second direction have an angle of approximately 90 ° with each other. The arm 10 and the toe 20 may be made of an elastic metal wire made of spring steel having a predetermined diameter. The connecting plate 30 may be made of a steel plate having a predetermined thickness.

The base 11 of the arm 10 has a first bent portion 12 in which one end 10a of the arm 10 is bent into a predetermined shape for attachment to a seafood collecting tool. The first bent portion 12 may have a shape suitable for attaching the claws of the seafood collecting tool to the horizontal bar of the seafood collecting tool with bolts and nuts.

The base portion 11 of the arm 10 has a cushioning portion 13 adjacent to the first bent portion 12 formed at one end 10a. The buffer portion 13 is composed of a coil spring around which an elastic metal wire rod constituting the arm 10 is wound around a direction orthogonal to the first direction and the second direction. The cushioning portion 13 buffers the fluctuation of the angle of the claw of the scallop collecting tool with respect to the first bending portion 12 attached to the scallop collecting tool in the plane including the first direction and the second direction. The impact on the scallops when digging up the soil and collecting the scallops is softened, reducing damage to the scallops.

The tip portion 15 of the arm 10 has a second bent portion 16 in which the tip portion 15 of the arm 10 is bent over a predetermined distance from the other end 10b so as to abut against the base portion 21 of the toe 20. The second bent portion 16 is bent in a direction away from the toe 20 from the first direction in a plane including the first direction and the second direction, and forms an angle of approximately 45 ° with the first direction.

The base 21 of the toe 20 has a third bent portion 22 in which the base 21 of the toe 20 is bent over a predetermined distance from one end 20a in order to abut the tip portion 15 of the arm 10. The third bent portion 22 is bent in a direction away from the arm 10 from the second direction in a plane including the first direction and the second direction, and forms an angle of approximately 45 ° with the second direction.

In the toe 20, the tip 25 extends in the second direction to the other end 20b of the toe 20. The tip 25 of the toe 20 is used to dig up the soil on the seabed and scrape the scallops lurking in the soil on the seabed.

The connecting plate 30 has a first member 30a and a second member 30b facing each other, and the first member 30a and the second member 30b sandwich the tip portion 15 of the arm 10 and the base portion 21 of the toe 20 to connect the connecting plate 30. On the facing surfaces of the first member 30a and the second member 30b, the first groove 31 for receiving the tip portion 15 of the arm 10 following the second bending portion 16 and the first groove 31 have an angle of approximately 90 °. A second groove 32 for receiving the base 21 of the toe 20 following the third bent portion 22 is formed. Further, on the facing surfaces of the first member 30a and the second member 30b, the tip portion 15 of the arm 10 that extends in parallel with the base portion 11 of the arm 10 and the tip portion 25 of the toe 20 to form a butt portion. A third groove 33 for receiving the third bent portion 22 of the two bent portions 16 and the base portion 21 of the toe 20 is formed.

The first member 30a and the second member 30b of the connecting plate 30 receive the tip portion 15 of the arm 10 following the second bent portion 16 in the first groove 31, and the toe 20 following the third bent portion 22 in the second groove 32. The second bent portion 16 of the tip portion 15 of the arm 10 and the third bent portion 22 of the base portion 21 of the toe 20 which extend parallel to the third groove 33 to form a butt portion are accepted. The bolt 38 and the nut 39 are fastened and sandwiched and fixed. As a result, the tip portion 15 of the arm 10 and the base portion 21 of the toe 20 are fixed and connected to each other at an angle of approximately 90 °.

In the claw of the seafood collecting tool of the present embodiment, a portion having a predetermined length including the tip portion 15 of the arm 10 has the same shape as the toe 20. Therefore, the toe 20 can be formed by separating the portion including the base portion 11 of the arm 10 while leaving the portion having a predetermined length including the tip portion 15 of the arm 10. Therefore, when the cushioning action of the cushioning portion 13 of the base portion 11 of the arm 10 is deteriorated by use, the base portion 11 including the buffering portion 13 is separated, so that the portion of a predetermined length including the remaining tip portion 15 is cut into the toe 20. Can be diverted to.

In the claw of the seafood collecting tool of the present embodiment, when the tip 25 of the toe 20 is worn or broken due to use, the predetermined length including the tip 15 from which the base 11 of the arm 10 is cut off is included. The part can be diverted to the toe 20. Therefore, the number of replacement parts for the toe 20 prepared for maintaining the claw of the seafood collecting tool is reduced. Further, since the arm 10 whose function of the buffer portion 13 has deteriorated can be reused as the toe 20, resources can be effectively utilized. The work of cutting the arm 10 to make the toe 20 can be easily performed by the user.

Further, in the claw of the seafood collecting tool of the present embodiment, the base portion 11 of the arm 10 and the tip portion 25 of the toe 20 are formed by the third groove 33 formed on the facing surfaces of the first member 30a and the second member 30b. The butt portion formed by the second bent portion 16 of the tip portion 15 of the arm 10 and the third bent portion 22 of the base portion 21 of the toe 20 extending in parallel in the direction away from the third groove 33 is sandwiched and fixed. There is. Therefore, the resistance force generated at the tip portion 25 when digging up the seabed of the toe 20 is transmitted to the arm 10 through the butt portion, the cushioning action by the cushioning portion 13 is exerted, and the burden on the connecting plate 30 is exerted. Is reduced. Further, in the arm 10, the tip portion 15 is fixed together with the first groove 31 of the connecting plate 30, the second bent portion 16 of the tip portion 15 is fixed by the third groove 33, and the base portion 21 of the toe 20 is fixed together with the second groove 32 of the base portion 21. Since the third bent portion 22 is fixed by the third groove 33, even when the bolt 28 and the nut 39 for fastening the first member 30a and the second member 30b of the connecting plate 30 are loosened and a gap is formed, they are connected. It is possible to prevent the arm 10 or the toe 20 from falling off from the plate 30.

Further, in the claw of the seafood collecting tool of the present embodiment, the first member 30a and the second member 30b of the connecting plate 30 are fixed by fastening three sets of bolts 38 and nuts 39. Even if one or two sets of bolts 38 and nuts 39 fall off, the first member 30a and the second member 30b are maintained by the remaining two or one sets of bolts 38 and nuts 39. Therefore, when using the claws of a seafood collecting tool, the connecting plate 30 that fixes and connects the tip portion 15 of the arm 10 and the base portion 21 of the toe tip 20 to each other regardless of the removal of some bolts 38 and nuts 39. The function of can be secured.

FIG. 5 is a diagram showing the claws of the seafood collecting tool of the first modified example. FIG. 5A is a perspective view, and FIG. 5B is an exploded perspective view. The claws of the seafood collecting tool of the first modification have three sets of bolts 38 and nuts 39 in that five sets of bolts 38 and nuts 39 are used to fix the first member 30a and the second member 30b of the connecting plate 30. The bolt 38 and the nut 39 are different from the claws of the seafood collecting tool of the present embodiment shown in FIGS. 3 and 4. Since the others have the same configuration, the corresponding components will be indicated by the same reference numerals as the claws of the seafood collecting tool of the present embodiment.

In the claw of the seafood collecting tool of the first modification, the first member 30a and the second member 30b of the connecting plate 30 are fixed by fastening five sets of bolts 38 and nuts 39. Even if the first to fourth sets of bolts 38 and nuts 39 fall off, the first member 30a and the second member 30b are maintained by the remaining four to one sets of bolts 38 and nuts 39. Therefore, when using the claws of a seafood collecting tool, a connecting plate that fixes and connects the tip portion 15 of the arm 10 and the base portion 21 of the toe tip 20 to each other without the bolt 38 and the nut 39 falling off. The function of can be secured. The connecting plate 30 of the present embodiment has three sets of bolts 38 and nuts 39, whereas the connecting plate 30 of the first modification has five sets of bolts 38 and nuts 39. Therefore, the connecting plate 30 of the first modification has more margin for the bolt 38 and the nut 39 to fall off, and can guarantee the reliable operation of the claws of the seafood collecting tool of the first modification for a long time. it can.

In the claw of the seafood collecting tool of the first modification, similarly to the claw of the seafood collecting tool of the present embodiment, when the tip 25 of the toe 20 is worn or broken due to use, the arm A portion having a predetermined length including the tip portion 15 from which the base portion 11 of the 10 is separated can be diverted to the toe tip 20. Therefore, the number of replacement parts for the toe 20 prepared for maintaining the claw of the seafood collecting tool is reduced, and the arm 10 can be reused as the toe 20, so that resources can be effectively utilized. .. Other effects of the claws of the seafood collecting tool of the first modification are the same as those of the claws of the seafood collecting tool of the present embodiment.

FIG. 6 is a diagram showing the claws of the seafood collecting tool of the second modified example. FIG. 6A is a perspective view, and FIG. 6B is an exploded perspective view. For the claw of the seafood collecting tool of the second modification, a connecting member 40 including a cover member 41 and a pressing member 42 is used to fix and connect the tip portion 15 of the arm 10 and the base portion 21 of the toe 20 to each other. In that respect, it is different from the claws of the seafood collecting tool of the present embodiment and the first modification in which the connecting plate 30 is used. Since the others have the same configuration, the corresponding components will be indicated by the same reference numerals as the claws of the seafood collecting tool of the present embodiment.

The claws of the seafood collecting tool of the second modification are the arm 10 extending in the first direction from the base 11 toward the tip 15, the toe 20 extending in the second direction from the base 21 toward the tip 25, and the arm. The tip portion 15 of the 10 and the toe 20 also have a cover member 41 for fixing and connecting the base portion 21 to each other, and a connecting member 40 including a pressing member 42. The first direction and the second direction have an angle of approximately 90 ° with each other. The cover member 41 may be manufactured by forging a metal such as iron, and a steel plate may be used for the pressing member 42.

The cover member 41 has a first groove 43 for receiving the tip portion 15 of the arm 10 following the second bent portion 16, and the first groove 43 is approximately 90 ° in a plane including the first direction and the second direction. A second groove 44 is formed that extends at an angle and receives the base 21 of the toe 20 that follows the third bent portion 22. Further, the second tip portion 15 of the arm 10 that extends parallel to the base portion 11 of the arm 10 and the tip portion 25 of the toe 20 to form a butt portion between the first groove 43 and the second groove 44. An insertion hole 45 for receiving the third bent portion 22 of the bent portion 16 and the base portion 21 of the toe 20 is formed. Then, a cover 46 extending from the butt portion to a plane direction including the first direction and the second direction so as to cover the tip portion 15 of the arm 10 and the base portion 21 of the toe 20 is formed in a substantially quarter circle having a predetermined radius. There is.

The pressing member 42 is an arm 10 in which a second bent portion 16 of the tip portion 15 of the arm 10 and a butt portion 22 extending in parallel with the third bent portion 22 of the base portion 21 of the toe 20 are inserted into the insertion hole 45 of the cover member 41. Regarding the toe 20, the tip 15 of the arm 10 following the second bent portion 16 is pressed by the first side surface 42a and fixed to the first groove 43 of the cover member 41, and the toe following the third bent portion 22 on the second side surface 42b. The base 21 of 20 is pressed and fixed to the second groove 44 of the cover member 41, and a set of bolts and nuts 48 are inserted into the insertion holes 47 formed in the cover 46 of the cover member 41 and the pressing member 42 substantially in the center. To conclude. As a result, the tip portion 15 of the arm 10 and the base portion 21 of the toe 20 are fixed and connected to each other at an angle of approximately 90 °.

In the claw of the seafood collecting tool of the second modification, the tip portion 15 of the arm 10 and the base portion 21 of the toe 20 are fixed by a set of bolts and nuts 48 by using the cover member 41 and the pressing member 42. Can be connected. Therefore, in the claw of the fish and shellfish collecting tool of the second modification, the work of fastening the arm 10 and the toe 20 when connecting them is sufficient with a set of bolts and nuts 48, so that the burden on the user is reduced. This is particularly beneficial because it reduces the number of bolts and nuts that need to be fastened when maintaining an eight-shaku with claws attached to a large number of seafood collectors.

In the claw of the seafood collecting tool of the second modification, as in the case of the claw of the seafood collecting tool of the present embodiment, when the tip 25 of the toe 20 is worn or broken due to use, the arm A portion having a predetermined length including the tip portion 15 from which the base portion 11 of the 10 is separated can be diverted to the toe tip 20. Therefore, the number of replacement parts for the toe 20 prepared for maintaining the claw of the seafood collecting tool is reduced, and the arm 10 can be reused as the toe 20, so that resources can be effectively utilized. .. Other effects of the claws of the seafood collecting tool of the second modification are the same as those of the claws of the seafood collecting tool of the present embodiment.

FIG. 7 is a diagram showing the claws of the seafood collecting tool of the third modified example. 7 (a) is a perspective view, and FIG. 7 (b) is an exploded perspective view. In the claw of the fish and shellfish collecting tool of the third modification, the portion of the second bent portion 16 of the tip portion 15 of the arm 10 from the other end 10b of the arm 10 to a predetermined length is approximately 90 ° from the first direction to the second direction. Similarly, the third bending portion 22 of the base 21 of the toe 20 is bent at an angle of approximately 90 ° from the second direction from one end 20a of the toe 20 to a predetermined length. The present embodiment, the first modification, and the second modification in which the portion 16 and the third bending portion 22 are bent at an angle of approximately 45 ° from the first direction in which the arm 10 extends and the second direction in which the toe 20 extends, respectively. It is different from the claws of the seafood collection tool. Further, the connecting plate 30 is used in that the connecting member 50 including the support member 51 and the pressing member 52 is used to fix and connect the tip portion 15 of the arm 10 and the base portion 21 of the toe 20 to each other. It is different from the claws of the seafood collecting tool of the present embodiment and the first modification. Since the others have the same configuration, the corresponding components will be indicated by the same reference numerals as the claws of the seafood collecting tool of the present embodiment.

The claws of the seafood collecting tool of the third modification include an arm 10 extending in the first direction from the base 11 toward the tip 15, a toe 20 extending in the second direction from the base 21 toward the tip 25, and an arm. The tip 15 and the toe 20 of 10 also have a support member 51 for fixing and connecting the base 21 to each other, and a connecting member 50 including a pressing member 52. The first direction and the second direction have an angle of approximately 90 ° with each other. The support member 51 may be manufactured by forging a metal such as iron, or a steel plate may be used for the presser member 52.

The support member 51 has a first groove 54 for receiving the tip portion 15 of the arm 10 following the second bent portion 16 in the first direction, a first insertion hole 55 through which the second bent portion 16 is inserted, and a third. It has a support surface 53 in which a second insertion hole 56 through which the base portion 21 of the toe 20 following the bent portion 22 is inserted and a second groove portion 57 for receiving the third bent portion 22 are formed in this order.

The pressing member 52 presses and fixes the tip portion 15 of the arm 10 following the second bent portion 16 into the first groove 54 of the support surface 53 of the support member 51, and inserts the second bent portion 16 into the first insertion hole 55. Then, the base portion 21 of the toe 20 following the third bent portion 22 is inserted into the second insertion hole 56, and the pressing member 52 and the supporting member 51 are pressed so as to press and fix the third bent portion 22 in the second groove portion 57. A set of bolts and nuts 59 are inserted into and fastened to the third insertion hole 58 inserted between the first insertion hole 55 and the second insertion hole 56 on the support surface 53. As a result, the tip portion 15 of the arm 10 and the base portion 21 of the toe 20 are fixed and connected to each other at an angle of approximately 90 °. Here, the flanges 52a of the pressing member 62 sandwich both side surfaces of the supporting member 51, and prevent the pressing member 52 from moving along the supporting surface 53 of the supporting member 51.

In the claw of the seafood collecting tool of the third modification, the tip portion 15 of the arm 10 and the base portion 21 of the toe tip 20 are fixed by a set of bolts and nuts 59 by using the support member 51 and the pressing member 52. Can be connected. Therefore, in the claw of the fish and shellfish collecting tool of the third modification, the work of fastening the arm 10 and the toe 20 when connecting them is sufficient with a set of bolts and nuts 59, so that the burden on the user is reduced. This is particularly beneficial because it reduces the number of bolts and nuts that need to be fastened when maintaining an eight-shaku with claws attached to a large number of seafood collectors.

In the claw of the seafood collecting tool of the third modification, as in the case of the claw of the seafood collecting tool of the present embodiment, when the tip 25 of the toe 20 is worn or broken due to use, the arm A portion having a predetermined length including the tip portion 15 from which the base portion 11 of the 10 is separated can be diverted to the toe tip 20. Therefore, the number of replacement parts for the toe 20 prepared for maintaining the claw of the seafood collecting tool is reduced, and the arm 10 can be reused as the toe 20, so that resources can be effectively utilized. .. Other effects of the claws of the seafood collecting tool of the third modification are the same as those of the claws of the seafood collecting tool of the present embodiment.

FIG. 8 is a diagram showing the claws of the seafood collecting tool of the fourth modified example. 8 (a) is a perspective view, and FIG. 8 (b) is an exploded perspective view. As for the claws of the seafood collecting tool of the fourth modification, the second bent portion 16 of the tip portion 15 of the arm 10 is designated from the other end 10b of the arm 10 in the same manner as the claws of the seafood collecting tool of the third modification. The length portion is bent from the first direction to the second direction over approximately 90 °, and similarly, the third bent portion 22 of the base 21 of the toe 20 is from one end 20a of the toe 20 and the portion having a predetermined length is from the second direction. The second bent portion 16 and the third bent portion 22 are bent at an angle of approximately 45 ° from the first direction in which the arm 10 extends and the second direction in which the toe 20 extends, respectively, at the point where they are bent over an angle of approximately 90 °. It is different from the claws of the seafood collecting tool of the present embodiment, the first modification and the second modification. Further, the connecting plate 30 is used in that the connecting member 60 including the support member 61 and the pressing member 62 is used to fix and connect the tip portion 15 of the arm 10 and the base portion 21 of the toe 20 to each other. It is different from the claws of the seafood collecting tool of the present embodiment and the first modification. Since the others have the same configuration, the corresponding components will be indicated by the same reference numerals as the claws of the seafood collecting tool of the present embodiment.

The claws of the seafood collecting tool of the fourth modification include an arm 10 extending in the first direction from the base 11 toward the tip 15, a toe 20 extending in the second direction from the base 21 toward the tip 25, and an arm. The tip portion 15 of the 10 and the toe 20 also have a support member 61 for fixing and connecting the base portion 21 to each other, and a connecting member 60 including a pressing member 62. The first direction and the second direction have an angle of approximately 90 ° with each other. The support member 61 may be manufactured by forging a metal such as iron, or a steel plate may be used for the presser member 62.

The support member 61 bends in the second direction from the first direction to the second direction, and similarly to the first groove 64 that receives the tip portion 15 and the second bent portion 16 following the second bent portion 16 of the arm 10. It has a support surface 63 that bends from one direction to the second direction and is formed in order with a third bent portion 22 of the toe 20 and a second groove 65 that receives a base portion 21 following the third bent portion 22 of the toe 20. ..

The pressing member 62 presses and fixes the tip portion 15 and the second bent portion 16 following the second bent portion 16 of the arm 10 to the first groove 64 of the support surface 63 of the support member 61, and fixes the toe 20 in the second groove 65. Between the first groove 64 and the second groove 65 on the support surface 63 of the presser member 62 and the support member 61 so as to press and fix the base portion 21 following the third bent portion 22 and the third bent portion 22 of the toe 20. A set of bolts and nuts 68 are inserted into the insertion holes 67 inserted into the holes and fastened. As a result, the tip portion 15 of the arm 10 and the base portion 21 of the toe 20 are fixed and connected to each other at an angle of approximately 90 °. Here, the plurality of protrusions 66 formed on the support surface 63 of the support member 61 are fitted and fixed to the corresponding plurality of holes 69 formed in the presser member 62, and the support member 61 of the presser member 62 is fixed. Prevents movement along the support surface 63.

In the claw of the seafood collecting tool of the fourth modification, the tip portion 15 of the arm 10 and the base portion 21 of the toe tip 20 are fixed by a set of bolts and nuts 68 by using the support member 61 and the pressing member 62. Can be connected. Therefore, in the claw of the seafood collecting tool of the fourth modification, the work of fastening the arm 10 and the toe 20 when connecting them is sufficient with a set of bolts and nuts 68, so that the burden on the user is reduced. This is particularly beneficial because it reduces the number of bolts and nuts that need to be fastened when maintaining an eight-shaku with claws attached to a large number of seafood collectors.

Also in the claw of the seafood collecting tool of the fourth modification, similarly to the claw of the seafood collecting tool of the present embodiment, when the tip 25 of the toe 20 is worn or broken due to use, the arm A portion having a predetermined length including the tip portion 15 from which the base portion 11 of the 10 is separated can be diverted to the toe tip 20. Therefore, the number of replacement parts for the toe 20 prepared for maintaining the claw of the seafood collecting tool is reduced, and the arm 10 can be reused as the toe 20, so that resources can be effectively utilized. .. Other effects of the claws of the seafood collecting tool of the fourth modification are the same as those of the claws of the seafood collecting tool of the present embodiment.

10 Arm 11 Base 12 1st Bend 13 Cushion 15 Tip 16 2nd Bend 20 Toe 21 Base 22 3rd Bend 25 Tip 30 Connecting Plate

Claims (19)

The claws of seafood collectors
An arm that extends in the first direction from the base toward the tip and the base is attached to the seafood collecting tool.
A toe that extends in the second direction from the base to the tip and digs up the soil on the seabed at the tip.
Includes a connecting member that fixes and connects the tip of the arm and the base of the toe to each other.
A claw of a seafood collecting tool in which the arm and the toe are made of an elastic metal wire, and a predetermined portion including the tip of the arm can be separated and diverted to the toe. The claw of the seafood collecting tool according to claim 1, wherein the predetermined portion including the tip of the arm has the same shape as the toe. The claw of the seafood collecting tool according to claim 1 or 2, wherein a predetermined portion of the arm including a tip portion separated from the portion including the base portion forms the toe tip. The claw of the seafood collecting tool according to any one of claims 1 to 3, wherein the first direction and the second direction form an angle of approximately 90 ° with each other. The claw of the seafood collecting tool according to any one of claims 1 to 4, wherein a first bending portion for attaching to the seafood collecting tool is formed at the base of the arm. At the base of the arm, there is a buffer portion that buffers fluctuations in the angle of the seafood collecting tool in a plane including the first direction and the second direction adjacent to the first bending portion from the first bending portion. The claw of the seafood collecting tool formed according to claim 5. The claw of the seafood collecting tool according to claim 6, wherein the cushioning portion is formed by forming an elastic metal wire forming the arm in a coil shape. A portion having a predetermined length from the end of the tip of the arm forms a second bent portion bent over a predetermined angle, and a portion having a predetermined length from the end of the base of the toe is bent over a predetermined angle. The claw of the seafood collecting tool according to any one of claims 1 to 7, which forms a third bent portion. The second bent portion and the third bent portion are butted against each other and extend in parallel in a plane including the first direction and the second direction in a direction away from the base of the arm and the tip of the toe. The claw of the seafood collecting tool according to claim 8, which forms a portion. The claw of the seafood collecting tool according to claim 9, wherein the second bent portion and the third bent portion are each bent at an angle of approximately 45 °. The claw of the seafood collecting tool according to claim 9 or 10, wherein the connecting member includes a tip portion of the arm and a base portion of the toe, and a set of sandwich plates for sandwiching and fixing the butt portion. The claw of the seafood collecting tool according to claim 11, wherein the one set of sandwiching plates is fixed by sandwiching the arm and the toe with at least three sets of bolts and nuts. The connecting member includes a first groove that receives the tip of the arm, a second groove that receives the base of the toe, and an insertion hole that is sandwiched between the first groove and the second groove and inserts the butt portion. With support members including
The claw of the seafood collecting tool according to claim 9 or 10, further comprising a pressing member that presses the tip of the arm to fix it in the first groove and presses the base of the toe to fix it in the second groove. The claw of the seafood collecting tool according to claim 13, further comprising at least one set of bolts and nuts for fixing the holding member to the supporting member. The claw of the seafood collecting tool according to claim 8, wherein the second bent portion and the third bent portion are each bent over approximately 90 °. In the first direction, the connecting member includes a first groove for receiving the tip of the arm, a first insertion hole for inserting the second bent portion, a second insertion hole for inserting the base of the toe, and the third. A support member having a support surface in which a second groove for receiving a bent portion is formed in order, and the tip portion of the arm is pressed to be fixed to the first groove and the third bent portion is pressed to be fixed to the second groove. The claw of the seafood collecting tool according to claim 15, which includes a holding member. A third set of bolts and nuts for fixing the support member and the holding member is further included, and the bolt is formed between the first insertion hole and the second insertion hole on the support surface of the support member. The claw of the seafood collecting tool according to claim 16, which is inserted into the insertion hole. The connecting member bends in the second direction from the first direction to the second direction, and receives the tip end portion of the arm and the second bent portion, and similarly, the first groove from the first direction. A support member having a support surface that is bent in two directions and in which a third bent portion and a second groove that receives the base of the toe are formed in this order, and the tip portion of the arm and the second bent portion are pressed to hold the first portion. The claw of the seafood collecting tool according to claim 15, which includes a pressing member that is fixed to the first groove and is fixed to the second groove by pressing the third bent portion and the base portion of the toe. The support member and a set of bolts and nuts for fixing the holding member are further included, and the bolt is inserted into an insertion hole formed between the first groove and the second groove on the support surface of the support member. The claw of the seafood collecting tool according to claim 18.

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