JP5849380B1 - Rod - Google Patents

Abstract

[PROBLEMS] To realize a rod-like body such as a fishing rod in which the length can be easily adjusted flexibly according to the place and the like, and deformation or damage such as bending does not occur during use. An outer shape of one end P2A of a rod-shaped part P2 is a diameter D2 (<diameter D1), and a part of the one end P2A is detachably fitted into a non-through hole H1 of the rod-shaped part P1. Has been. The outer shape D3 of the other end portion P2B of the rod-shaped part P2 is larger than the outer shape D2 of the one end portion P2A (D3> D2). In the other end portion P2B of the rod-shaped part P2, a non-penetrating opening portion H2 having an opening diameter HD2 having the same dimensions as the outer shape D2 is disposed. A part of one end portion P3A of the rod-shaped part P3 is detachably fitted into the opening H2 of the rod-shaped part P2. When the rod-shaped part P2 is extracted to shorten the length 1L of the fishing rod 1, a part of one end P3A of the rod-shaped part P3 is detachably fitted into the opening H1 of the rod-shaped part P1. [Selection] Figure 1

Description

  The present invention relates to a rod-shaped body such as a fishing rod or a furniture part, which can be adjusted in length and is strong.

  When fishing while moving from place to place, such as mountain stream fishing or carp fishing, the length of the fishing rod may become insufficient because the location of the fishing line (point) is different for each moved place. Or, conversely, when a fishing rod is swung in a moved place, the fishing rod comes into contact with an obstacle such as a surrounding tree.

  In order to cope with such a case, a fishing rod having a structure capable of adjusting the length of the fishing rod flexibly has been realized (see, for example, Patent Document 1).

JP 2009-153493 A

Conventional length-adjustable fishing rods are generally called “shaking (type) fishing rods”, and the inside is hollow and hollow from one end of the opening to the other non-penetrating end. The length of the fishing rod can be adjusted by the structure in which each piece (rod tube) is fitted into the corresponding piece in sequence.

As described above, in the “drawing fishing rod”, since the inside of each piece has a hollow / hollow structure, the following various problems may occur.

That is, if the angler pulls out each piece of the fishing rod and prepares a longer fishing rod, and swings the fishing rod toward a distant point vigorously, the rod portion of the fishing rod will bend and deform, The problem arises that the tip of the fishing line cannot be reached in a timely manner at the desired location. In order to deal with such problems, the angler must perform the operation of turning the reel immediately after the fishing rod is swung to allow the fishing line to flow out. It is not easy to do according to the operation.

Moreover, when fishing a large fish, if the fishing rod part of the fishing rod or the part from the root part to about 50 cm to 60 cm has a hollow structure, the fishing rod will be easily bent and deformed. The state where the fish is picked up with only the fishing line and the reel occurs, and as a result, the fishing line breaks and the fish may be missed. Alternatively, in such a state, there is a concern that the fishing rod may be damaged such that the fishing rod portion of the fishing rod is bent depending on the degree of deformation.

Therefore, it has a strong structure that prevents the rod part from being deformed or damaged by bending even when the fishing rod after the length is adjusted or when a large fish is picked up. In addition, realization of a fishing rod with an adjustable length is desired. This is a request that is applicable not only to throwing fishing rods with reels but also to ordinary fishing rods.

Moreover, such a request is not specific to a fishing rod with a variable length. For example, like furniture parts such as laundry rods and table legs, the length adjustment and the robustness not to be deformed or bent are combined. The required rod-like object (referred to as “rod-like body”) is generally valid.

As described above, the realization of a rod-like body capable of realizing such a demand becomes a problem.

The present invention has been made in view of the above problems, and its main purpose is to have a strong and stable structure in which the length can be easily adjusted and deformation or breakage such as bending or bending does not occur. It is in the point which implement | achieves the rod-shaped body provided with.

  The rod-like body according to the subject of the present invention is n rod-like shapes that are sequentially separably fitted from the first root portion side to the n-th (n is a natural number of 3 or more) tip portion side. A rod-shaped body including parts, wherein (1) the (k−1) th (2 ≦ k ≦ (n−1) integer) rod-shaped part is a connecting portion with the kth rod-shaped part. A non-through first opening portion having a first opening diameter is disposed, and (2) the k-th bar-shaped part is the (k-1) -th bar-shaped part. One end portion having a first outer diameter that can be fitted into the first opening portion, and a second opening diameter having a second outer diameter larger than the first outer diameter and the same dimension as the first outer diameter. (3) the (k + 1) -th bar-shaped part is the second of the k-th bar-shaped part. Open It has the one end part which has the 3rd outer diameter which can be fitted in a hole, It is characterized by the above-mentioned.

  According to the subject matter of the present invention, the rod-shaped body is configured by separably connecting n rod-shaped parts, each of which is in a non-hollow or non-penetrating state, so that the swing motion is performed in such a case. Alternatively, a rod-like body having a strong and stable shape can be realized without the rod-like body being bent or bent by a force applied by a person such as pressing, or being deformed or damaged.

Moreover, even if the k-th bar-shaped part is removed from the bar-shaped body, one end of the (k + 1) -th bar-shaped part is fitted into the first opening of the (k-1) -th bar-shaped part. This makes it possible to easily and quickly realize a rod having a shorter length. Conversely, when attaching the k-th bar-shaped part to the bar-shaped body, if a plurality of bar-shaped parts having different lengths are prepared in advance as the k-th bar-shaped part, the k-th bar-shaped part is selected from among them. By selecting and using the second bar-shaped part, it is possible to easily and quickly construct a relatively long bar-shaped body having a different length. As described above, according to the subject matter of the present invention, it is possible to realize a rod-like body whose length can be easily and flexibly adjusted according to a place or a situation.

  Hereinafter, various embodiments of the present invention will be described in detail along with the effects and advantages thereof with reference to the accompanying drawings.

It is a longitudinal cross-sectional view which shows typically the structure of the fishing rod as a rod-shaped body based on Embodiment 1 of this invention. It is a longitudinal cross-sectional view which shows typically the structure of the fishing rod as a rod-shaped body based on Embodiment 2 of this invention. It is a longitudinal cross-sectional view which shows typically the structure of the fishing rod as a rod-shaped body based on Embodiment 3 of this invention. 1 schematically shows the structure of a fishing rod when the second rod-like part (second piece) of the fishing rod according to Embodiment 1 of the present invention is used as one part of a fishing rod. It is a longitudinal cross-sectional view.

(Embodiment 1)

The rod-shaped body which concerns on this Embodiment is a fishing rod as the example. That is, the fishing rod according to the present embodiment is fitted so as to be separable sequentially from the first root portion (general rod) side to the n-th (n is a natural number of 3 or more) fishing rod tip portion side. N bar-shaped parts. As a special point in terms of structure, the (k−1) th (2 ≦ k ≦ (n−1) integer) rod-shaped part is the first connecting portion with the kth rod-shaped part. It has one end portion in which a non-penetrating first aperture portion having an aperture diameter is disposed. Furthermore, the kth rod-shaped part has one end portion having a first outer diameter that can be fitted into the first hole portion of the (k-1) th rod-shaped part, and a second outer portion larger than the first outer diameter. And a second end portion having a non-through second opening portion having a diameter and a second opening diameter having the same dimension as the first outer diameter. Furthermore, the (k + 1) -th bar-shaped part has an end portion having a third outer diameter that can be fitted into the second opening of the k-th bar-shaped part. Hereinafter, these special points will be described in detail based on the drawings.

  FIG. 1 is a longitudinal sectional view schematically showing the structure of a fishing rod 1 according to the present embodiment. The fishing rod 1 shown in FIG. 1 corresponds to the case of n = 4 and k = 2 in relation to the above generalized description. That is, the (k-1) th bar-shaped part corresponds to the first bar-shaped part P1, the kth bar-shaped part corresponds to the second bar-shaped part P2, and the (k + 1) th bar-shaped part. The bar-shaped part corresponds to the third bar-shaped part P3.

In FIG. 1, one end P1A of the first rod-shaped part P1 has a non-penetrating first aperture H1 having a first aperture diameter HD1 that forms a coupling portion with the second rod-shaped part P2. It is arranged. The outer diameter of the cylindrical end portion P1A is a diameter D1. On the other hand, the cylindrical other end portion P1B of the first rod-shaped part P1 is not provided with any openings, and the outer diameter of the other end portion P1B is the diameter D0. As illustrated in FIG. 1, a fishing line reel 2 is disposed on the side surface of the first rod-shaped part P1 near the other end P1B. The fishing line is not displayed for convenience of illustration.

On the other hand, the outer shape (corresponding to the first outer diameter) of the cylindrical one end P2A of the core second rod-shaped part P2 is a diameter D2 (<diameter D1), and is one of the one end P2A. The part is detachably fitted in the first opening H1 of the first rod-like part P1. On the other hand, the outer shape (corresponding to the second outer diameter) D3 of the cylindrical other end portion P2B of the second rod-shaped part P2 is larger than the outer shape D2 of the one end portion P2A (D3> D2). In the example of FIG. 1, D1 = D3 is set, but D3> D1 may be set. The other end portion P2B of the second rod-shaped part P2 is provided with a non-penetrating second opening portion H2 having a second opening diameter HD2 having the same dimensions as the outer shape D2 of the one end portion P2A. . The length dimension of the second rod-shaped part P2 in the longitudinal direction of the fishing rod 1 is the length L1.

  Further, a part of the cylindrical one end P3A of the third rod-shaped part P3 is detachably fitted in the second hole H2 of the second rod-shaped part P2, and the outer shape of the one end P3A (Corresponding to the third outer diameter) is the diameter D4 having the same dimension as the second opening diameter HD2. And, the other end P3B of the columnar part of the third rod-shaped part P3 is provided with a third opening H3, like the other end P2B of the second rod-shaped part P2, A part of the cylindrical one end P4A of the fourth rod-shaped part P4 is detachably fitted in the three opening H3. The tip of the cylindrical other end P4B of the fourth rod-like part P4 forms the tip of the fishing rod 1.

  As shown in FIG. 1, the longitudinal dimension of the fishing rod 1 is 1L in length. The second rod-shaped part P2 is selected by the angler during use of the fishing rod 1 from a plurality of rod-shaped parts groups in which the length L is preset from various values. As a result, depending on the situation of selection / use of the second rod-shaped part P2 from among the plurality of second rod-shaped parts groups having the length L of each other, the length 1L of the fishing rod 1 is Adjusted each time.

  Consider the case where the angler pulls out the second rod-shaped part P2 in the state of FIG. In this case, since the relationship of HD1 = D4 is established, the angler can open a part of one end P3A of the third rod-like part P3 and the first opening of the one end P1A of the first rod-like part P1. It can be detachably fitted into the hole H1. The length 1L of the fishing rod 1 is shorter than the original length of the fishing rod 1 due to the fitting and coupling of the one end portion P3A of the third rod-shaped part P3 and the one end portion P1A of the first rod-shaped part P1. The size is adjusted and set.

  Therefore, the angler can easily and quickly adjust the length of the fishing rod 1 according to the distance to the point where the fishing line is hung for each moving place when performing mountain stream fishing or the like. . Moreover, since each rod-like part P1 to P4 of the fishing rod 1 is not a hollow body, even if the angler adjusts the length of the fishing rod 1 to be relatively long, it can be bent to the fishing rod 1 itself when the fishing rod 1 is thrown. As a result, the angler can fly the fishing line away to the point. In addition, as a further effect that the rod-like parts P1 to P4 are not hollow bodies, when the angler fishes a relatively large fish, the main rod side portion of the fishing rod 1 is not a hollow body, so As a result, the state where the fish is caught only by the reel and the fishing line can be prevented, and the large fish can be reliably caught without breaking the fishing line and without damaging the fishing rod 1 itself. In this manner, the fishing rod 1 can surely realize a strong fishing rod that can be adjusted in length flexibly.

  In the example of FIG. 1, an example of the length of each outer diameter is shown as a reference as follows. That is, D0 = 5 cm, D1 = 4 cm, D2 = 3 cm, D3 = 4 cm, D4 = 3 cm, (outer diameter of the other end P3B of the third rod-shaped part P3) = 2 cm, (fourth rod-shaped part P4 The outer diameter of the one end P4A) is 1 cm, and the outer diameter of the other end P4B of the part P4 is 0.5 cm. Thus, in the example, a difference in length of 1 cm is set between adjacent outer diameters.

(Embodiment 2)
The rod-shaped body which concerns on this Embodiment is also a fishing rod as the example. That is, the fishing rod according to the present embodiment is fitted so as to be separable sequentially from the first root portion (general rod) side to the n-th (n is a natural number of 3 or more) fishing rod tip portion side. N bar-shaped parts. The (k−1) th (2 ≦ k ≦ (n−1) integer) rod-shaped part has one end portion of the first outer diameter. Further, the kth rod-shaped part has a second outer diameter larger than the first outer diameter and has the same dimension as the first outer diameter so that one end of the (k-1) th rod-shaped part can be fitted. One end where a non-through first opening portion having a first opening diameter is disposed, and a non-penetrating second opening diameter having a third outer diameter larger than the second outer diameter and larger than the first opening diameter The other opening part by which the 2nd aperture part of this is arrange | positioned. Further, the (k + 1) -th bar-shaped part has a fourth outer diameter that is the same as the second hole diameter and can be fitted into the second hole of the k-th bar-shaped part, and the (k -1) One end portion of the third rod-shaped part has one end portion in which a non-penetrating third aperture portion having the same diameter as the first outer diameter is disposed so that the end portion can be fitted. Hereinafter, the characteristic points of these structures will be described in detail with reference to the drawings.

FIG. 2 is a longitudinal sectional view schematically showing the structure of the fishing rod 1A according to the present embodiment. The fishing rod 1A shown in FIG. 2 corresponds to the case of n = 5 and k = 2 in relation to the above generalized description. That is, in the fishing rod 1A, the (k-1) th bar-shaped part corresponds to the first bar-shaped part P1, the k-th bar-shaped part corresponds to the second bar-shaped part P2, The (k + 1) th bar-shaped part corresponds to the third bar-shaped part P3.

In FIG. 2, the outer diameter (corresponding to “first outer diameter”) of the cylindrical one end P1A of the first rod-shaped part P1 is a diameter D1. No opening is provided in the one end P1A. Also, no opening is provided in the cylindrical other end P1B of the first rod-like part P1, and the outer diameter of the other end P1B is the diameter D0. As illustrated in FIG. 2, a fishing line reel 2 is disposed on the side surface of the first rod-like part P1 near the other end P1B. In FIG. 2, the fishing line is not displayed for convenience of illustration.

On the other hand, the 2nd rod-shaped part P2 which is a core component of fishing rod 1A has the following structure. That is, the cylindrical one end P2A of the second rod-shaped part P2 has an outer diameter (corresponding to the “second outer diameter”) D2 larger than the outer diameter D1 of the one end P1A of the first rod-shaped part P1. Have. In this example, the outer diameter D2 is set to be the same as the outer diameter D0 of the other end portion P1B of the first rod-like part P1, but may be set to a size larger than the outer diameter D0. Furthermore, a non-penetrating first opening H1 having a first opening diameter HD1 having the same dimension as the outer diameter D1 is disposed at the one end P2A. The first opening H1 includes a first opening H1. A part of one end P1A of the first rod-like part P1 is detachably fitted. On the other hand, the cylindrical other end portion P2B of the second rod-shaped part P2 has an outer diameter (corresponding to “third outer diameter”) D3 (> D2) larger than the outer diameter D2 of the one end portion P2A. ing. The other end portion P2B is provided with a non-penetrating second opening portion H2 having a second opening diameter HD2 larger than the first opening diameter HD1 from the surface of the same portion P2B to the inside. ing. As shown in FIG. 2, the length along the longitudinal direction of the fishing rod 1A from the surface of the one end P2A to the surface of the other end P2B is a length L.

Further, the cylindrical one end P3A of the third rod-like part P3 of the fishing rod 1A has the same outer diameter (corresponding to the “fourth outer diameter”) D4 as the second opening diameter HD2. A part of the one end P3A is fitted in a detachable state in the second opening H2 of the second rod-shaped part P2. Moreover, the one end P3A has the same dimensions as the outer diameter D1 so that the one end P1A of the first rod-shaped part P1 can be fitted inwardly from the surface of the same part P3A toward the inside. A non-penetrating third aperture H3 having a third aperture diameter HD3 is provided. On the other hand, the cylindrical other end portion P3B of the third rod-shaped part P3 has a fourth opening portion H4 formed from its surface toward the inside.

Further, a part of the cylindrical one end P4A of the fourth rod-shaped part P4 is fitted in a separable state in the fourth opening H4 of the other end P3B of the third rod-shaped part P3. Are combined. Furthermore, a part of the cylindrical one end P5A of the fifth rod-shaped part P5 can be separated into the fifth opening H5 disposed at the other end P4B of the fourth rod-shaped part P4. In a state of being fitted. And the front-end | tip part of the cylindrical other end part P5B of the 5th rod-shaped part P5 comprises the front-end | tip part of the fishing rod 1A.

As shown in FIG. 2, the length of the fishing rod 1A in the longitudinal direction is 1L. The second rod-shaped part P2 is selected by the angler when using the fishing rod 1A from a plurality of rod-shaped parts groups whose length L is set in advance from various values. As a result, depending on the situation of selection / use of the second rod-shaped part P2 from among the plurality of second rod-shaped parts groups having the length L of each other, the length 1L of the fishing rod 1A is Adjusted each time.

Consider the case where the angler pulls out the second rod-shaped part P2 in the state of FIG. In this case, since the relationship of HD3 = D1 is established, the angler can open a part of one end P1A of the first rod-shaped part P1 and a third opening of one end P3A of the third rod-shaped part P3. The hole H3 can be detachably fitted. The length 1L of the fishing rod 1A is longer than the original length of the fishing rod 1A due to the fitting and coupling between the one end P1A of the first rod-shaped part P1 and the one end P3A of the third rod-shaped part P3. Adjusted to short length.

The actions and effects of the fishing rod 1A in FIG. 2 are the same as the actions and effects described above with reference to the fishing rod 1 in FIG. 1, and the description thereof is omitted for convenience.

In the example of FIG. 2, an example of the length dimension is shown as a reference as follows. That is, D0 = 5 cm, D1 = 4 cm, D2 = 5 cm, D3 = 6 cm, D4 = 5 cm, (outer diameter of the other end P3B) = 4 cm, (outer diameter of one end P4A of the fourth rod-shaped part P4) = 3 cm, (outer diameter of the other end portion P4B) = 2 cm, (outer diameter of the one end portion P5A of the fifth rod-like part P5) = 1 cm, and (outer diameter of the other end portion P5B) = 0.5 cm is there. In this example, a difference in length of 1 cm is set between adjacent outer diameters, as in the reference example of FIG.

(Embodiment 3)
The rod-shaped body which concerns on this Embodiment is also a fishing rod as the example. That is, the fishing rod according to the present embodiment is fitted so as to be separable sequentially from the first root portion (general rod) side to the n-th (n is a natural number of 3 or more) fishing rod tip portion side. N bar-shaped parts. The (k−1) th (2 ≦ k ≦ (n−1) integer) rod-shaped part is a first outer portion in which a non-through first opening portion having a first opening diameter is disposed. It has one end of diameter. Further, the kth rod-shaped part has a second outer diameter larger than the first outer diameter and has the same dimension as the first outer diameter so that one end of the (k-1) th rod-shaped part can be fitted. One end portion where a non-penetrating second aperture portion of the second aperture diameter is disposed, a third outer diameter smaller than the second outer diameter and larger than the first aperture diameter, and the first aperture diameter And a non-penetrating third aperture portion having a third aperture diameter of the same dimension. Furthermore, the (k + 1) -th bar-shaped part has one end portion having a fourth outer diameter that is the same as the third hole diameter so as to be able to fit into the third hole portion of the k-th bar-shaped part. . Hereinafter, the characteristic points of these structures will be described in detail with reference to the drawings.

FIG. 3 is a longitudinal sectional view schematically showing the structure of the fishing rod 1B according to the present embodiment. The fishing rod 1B shown in FIG. 3 corresponds to the case of n = 4 and k = 2 in relation to the above generalized description. That is, in the fishing rod 1B, the (k-1) th bar-shaped part corresponds to the first bar-shaped part P1, the k-th bar-shaped part corresponds to the second bar-shaped part P2, The (k + 1) th bar-shaped part corresponds to the third bar-shaped part P3. In the present embodiment, unlike the shape of the second rod-shaped part P2 according to the first and second embodiments described above, the second rod-shaped part P2 of the fishing rod 1B is moved from the main rod side to the tip of the rod. With respect to the longitudinal direction, the outer diameter is gradually reduced.

First, in FIG. 3, the cylindrical one end P1A of the first rod-shaped part P1 has an outer diameter (corresponding to “first outer diameter”) D1, and the same part P1A includes: A non-penetrating first aperture H1 having a first aperture diameter HD1 is disposed from the surface toward the inside. On the other hand, the other end P1B in the columnar shape of the part P1 has an outer diameter D0, but no opening is provided in the part P1B. As illustrated in FIG. 3, a fishing line reel 2 is disposed on the side surface of the first rod-shaped part P1 near the other end P1B. In FIG. 3, the fishing line is not displayed for convenience of illustration.

On the other hand, the 2nd rod-shaped part P2 which is a core component of fishing rod 1B has the following structure. That is, the cylindrical one end P2A of the second rod-shaped part P2 has an outer diameter (corresponding to “second outer diameter”) D2 larger than the outer diameter D1. In this example, D2 = D0 is set, but the present invention is not limited to this, and the outer diameter D2 may be set larger than the outer diameter D0 (D2> D0). The one end portion P2A is provided with a non-penetrating second opening portion H2 having a second opening diameter HD2 having the same dimension as the outer diameter D1 of the one end portion P1A from the surface to the inside. A part of one end P1A of the first rod-shaped part P1 is fitted in the second opening diameter HD2 in a separable state. On the other hand, the cylindrical other end portion P2B of the second rod-shaped part P2 has an outer diameter (corresponding to “third outer diameter”) D3 that is smaller than the outer diameter D2 and larger than the first opening diameter HD1. In this example, the outer diameter D3 is set to the same dimension as the outer diameter D1 (D3 = D1), but the outer diameter D3 is larger than the outer diameter D1 and smaller than the outer diameter D2. Good (D1 <D3 <D2). In the other end portion P2B, a non-penetrating third opening portion H3 having a third opening diameter HD3 having the same size as the first opening diameter HD1 is disposed inward from the assertion. As shown in FIG. 3, the length along the longitudinal direction of the fishing rod 1B from the surface of the one end P2A of the second rod-shaped part P2 to the surface of the other end P2B is a length L.

Further, in the third rod-shaped part P3, the cylindrical one end P3A has an outer shape (corresponding to the “fourth outer diameter”) D4 having the same dimension as the third opening diameter HD3 (D4 = HD3). . A part of the one end portion P3A is fitted in the third hole H3 of the second rod-shaped part P2 in a separable state. On the other hand, the cylindrical other end portion P3B of the third rod-shaped part P3 has an outer diameter smaller than the outer diameter D4 and is formed from the surface to the inner side with a predetermined depth. It has an opening H4.

Further, a part of one end portion P4A of the cylindrical portion of the fourth rod-shaped part P4 constituting the tip portion of the fishing rod 1B can be separated into the fourth opening H4 of the third rod-shaped part P3. It is fitted in the state. And the surface of the other end part P4B of the cylindrical place of the 4th rod-shaped part P4 corresponds to the front-end | tip part of the fishing rod 1B.

As shown in FIG. 3, the length dimension in the longitudinal direction of the fishing rod 1B is 1L. The second rod-like part P2 is selected by the angler when using the fishing rod 1B from a plurality of rod-like parts groups whose length L is set in advance from various values. As a result, depending on the situation of selection / use of the second rod-shaped part P2 from among the plurality of second rod-shaped parts groups having the length L of each other, the length 1L of the fishing rod 1B is Adjusted each time.

In the state of FIG. 3, consider a case where the angler pulls out the second rod-shaped part P2. In this case, since the relationship of HD1 = D4 is established, the angler can open a part of one end P3A of the third rod-like part P3 and the first opening of the one end P1A of the first rod-like part P1. The hole H1 can be detachably fitted. The length 1L of the fishing rod 1B is longer than the original length of the fishing rod 1B due to the fitting and coupling between the one end P1A of the first rod-shaped part P1 and the one end P3A of the third rod-shaped part P3. Adjusted to short length.

The actions and effects in the fishing rod 1B in FIG. 3 are the same as the actions and effects described above with reference to the fishing rod 1 in FIG. 1, and the description thereof is omitted for convenience.

In the example of FIG. 3, an example of the length of each outer diameter is shown as a reference as follows. That is, D0 = 5 cm, D1 = 4 cm, D2 = 5 cm, D3 = 4 cm, D4 = 3 cm, (outer diameter of the other end P3B of the third rod-shaped part P3) = 2 cm, (fourth rod-shaped part P4 The outer diameter of the one end P4A) is 1 cm, and the outer diameter of the other end P4B of the part P4 is 0.5 cm. Thus, in the example, a difference in length of 1 cm is set between adjacent outer diameters.

(Modification 1)
The fisherman can effectively use each second rod-shaped part P2 of the first to third embodiments as a connecting part for the “rafting” of the fishing rod after extracting it from the corresponding fishing rod. As such an example, a case where the second rod-like part P2 of the fishing rod 1 shown in FIG. 1 of the first embodiment is used as a part of the fishing rod 1 is described with reference to FIG. Described below.

  FIG. 4 is a vertical cross-sectional view schematically showing the structure of the upright 3 having the second rod-like part P2 extracted from the fishing rod 1 of FIG. 2 as its connecting part. In FIG. 4, the first portion 3A of the rod 3 has a rod receiving portion 3R which is a surface on which the fishing rod 1 is leaned and receives the fishing rod 1, and is formed on the bottom portion of the portion 3A. One end portion P2A of the second rod-shaped part P2 is detachably fitted in the opened hole portion. On the other hand, the second portion 3B of the upright 3 is a portion that is erected on the ground by the tip 3BT of the portion 3B being pierced into the ground, and a part of one end of the second portion 3B is The second rod-like part P2 is detachably fitted in the third hole H3 of the other end P2B.

  As described above, the angler can effectively reuse the second rod-shaped part that has been extracted from the fishing rod as a component for setting up the fishing rod.

(Modification 2)
In each of the first to third embodiments, a fishing rod has been described as a preferred example of application of the “rod-like body”. However, the “rod-like body” is not limited to application to a fishing rod, In general, the present invention can also be applied to tools that require a strong structure that can be adjusted in length and that does not easily deform. For example, the “rod-like body” according to the present invention can be widely applied to a leg portion of furniture such as a ladder, laundry clothes, a shelf or a table.

(Appendix)
While the embodiments of the present invention have been disclosed and described in detail above, the above description exemplifies aspects to which the present invention can be applied, and the present invention is not limited thereto. That is, various modifications and / or variations on the described aspects can be considered without departing from the scope of the invention.

  The present invention is suitable for application to rod-like bodies such as fishing rods, ladders, laundry hangers or furniture parts such as table legs.

1,1A, 1B Fishing rod (bar)
P1 1st bar-shaped part P2 2nd bar-shaped part P3 3rd bar-shaped part P4 4th bar-shaped part P5 5th bar-shaped part 2 Reel 3 Standing

Claims (4)

A rod-shaped body comprising n rod-shaped parts that are sequentially separably fitted from the first root portion side toward the n-th (n is a natural number of 3 or more) tip portion side,
(1) The (k−1) th (2 ≦ k ≦ (n−1) integer) rod-shaped part is a non-penetrating first non-penetrating hole having a first hole diameter which is a connecting portion with the kth rod-shaped part. Having one end where one aperture is disposed;
(2) The kth bar-shaped part is
One end portion having a first outer diameter that can be fitted into the first opening of the (k-1) th rod-shaped part;
And having a second outer diameter larger than the first outer diameter and having the other end portion provided with a non-penetrating second aperture portion having a second aperture diameter of the same dimension as the first outer diameter. And
(3) The (k + 1) th bar-shaped part is
A rod-shaped body having one end portion having a third outer diameter that can be fitted into the second hole portion of the k-th rod-shaped part. A rod-shaped body comprising n rod-shaped parts that are sequentially separably fitted from the first root portion side toward the n-th (n is a natural number of 3 or more) tip portion side,
(1) The (k−1) th (2 ≦ k ≦ (n−1) integer) rod-shaped part has one end portion of the first outer diameter,
(2) The k-th bar-shaped part has a second outer diameter larger than the first outer diameter, and the one end of the (k-1) -th bar-shaped part can be fitted to the first outer part. One end portion in which a non-through first opening portion having a first opening diameter of the same size as the diameter is disposed;
A second outer diameter portion having a third outer diameter larger than the second outer diameter and a non-penetrating second aperture portion having a second aperture diameter larger than the first aperture diameter. And
(3) The (k + 1) th rod-shaped part has a fourth outer diameter that is the same as the second hole diameter so as to be able to fit into the second hole portion of the k-th rod-shaped part, and One end where a non-penetrating third aperture of the same diameter as the first outer diameter is provided so that the one end of the (k-1) th rod-shaped part can be fitted. A rod-shaped body characterized by comprising: A rod-shaped body comprising n rod-shaped parts that are sequentially separably fitted from the first root portion side toward the n-th (n is a natural number of 3 or more) tip portion side,
(1) The (k−1) th (2 ≦ k ≦ (n−1) integer) rod-shaped part is a first in which a non-penetrating first aperture portion having a first aperture diameter is disposed. Has one end of the outer diameter,
(2) The kth bar-shaped part is
The second outer diameter is the same as the first outer diameter and has a second outer diameter larger than the first outer diameter, and the one end of the (k-1) th rod-shaped part can be fitted. One end where the penetrating second aperture is disposed;
A third outer diameter that is smaller than the second outer diameter and larger than the first opening diameter and has a third opening diameter that is the same size as the first opening diameter is provided. And having the other end
(3) The (k + 1) th bar-shaped part is
A rod-shaped body having one end portion having a fourth outer diameter that is the same size as the third aperture diameter so as to be able to fit into the third aperture portion of the k-th rod-shaped part. The rod-shaped body according to any one of claims 1 to 3, wherein the rod-shaped body is a fishing rod.

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