JP3236797U - Barricade legs - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a barricade leg which does not cause a load collapse even when loaded in a plurality of stages and stored or transported.
A barricade leg includes a leg body and first and second binding hooks 2, 3. The leg body has a first leg hole groove 7 opening in the first leg side surface 1C, a second leg hole groove 8 opening in the second leg side surface 1D, and a first fixed shaft arranged in the first leg hole groove 7. It has 13 and a second fixed shaft 14 arranged in the second leg hole groove 8. The first binding hook 2 is attached to the first fixed shaft 13 in a state of being rotatable around the axis center line of the first fixed shaft 13 and movable in the direction of the axis center line of the first fixed shaft 13. The second binding hook 3 is attached to the second fixed shaft 14 in a state of being rotatable around the axis center line of the second fixed shaft 14 and movable in the direction of the axis center line of the second fixed shaft 14. The first and second binding hooks 2 and 3 bind the barricade legs X1 and X2 loaded in a plurality of stages.
[Selection diagram] FIG. 29.

Description

The present invention relates to a barricade leg that supports a single tube to form a barricade.

As a technique for barricade legs, Patent Document 1 discloses a barricade stand. The barricade stand comprises a stand body and a pair of clamps. The stand body has a leg front plane and a leg back plane in the plate thickness direction.

Japanese Unexamined Patent Publication No. 2008-31647

When the barricade stand of Patent Document 1 is stored or transported, if the leg surface plane and the leg back plane are in contact with each other and loaded in a plurality of stages, the barricade stand may slide due to the action of impact or vibration and cause the load to collapse.

The present invention provides a barricade leg that does not collapse even when loaded in a plurality of stages and stored or transported.

The first aspect of the present invention is a first and second leg side surface which is formed in a leg-thick plate shape, has a leg front surface and a leg back surface in the leg thickness direction, and is arranged so as to face each other in the leg width direction. The leg body is provided with the first and second binding hooks, and the leg body has a first hole groove width in a direction intersecting the leg width direction, and the second leg has a side surface. A first leg hole groove extending toward the side surface of the leg, opening in the side surface of the first leg with the width of the first hole groove, penetrating the main body of the leg, and opening in the front surface of the leg and the back surface of the leg. It is arranged in the first leg hole groove at intervals, has a second hole groove width in a direction intersecting the leg width direction, and extends from the side surface of the second leg toward the side surface of the first leg. The second leg hole groove is opened on the side surface of the second leg with the width of the second hole groove, penetrates the leg body, and is opened on the front surface of the leg and the back surface of the leg, and is arranged in the first leg hole groove. The legs are extended so as to have a first shaft length in a direction intersecting the leg width direction, and each first shaft end is applied to the side surface of each first hole groove in the hole groove width direction of the first leg hole groove. A first fixed shaft that is in contact with the leg body and is fixed to the leg body, and a second fixed shaft that is arranged in the second leg hole groove and extends in a direction intersecting the leg width direction with a second shaft length. It has a second fixed shaft in which the end of the second shaft abuts on the side surface of each second hole groove in the hole groove width direction of the second leg hole groove and is fixed to the leg body, and the first binding hook is provided. Is formed in a tubular shape, has a first hook width less than half the length of the first shaft between the ends of each first cylinder, and is concentrically arranged on the first fixed shaft. The first rotary cylinder portion that is externally fitted to the first fixed shaft in a state of being rotatable and movable in the direction of the axis center line of the first fixed shaft, and each of the above having the first hook width. A first hook piece arranged between the ends of the first cylinder, fixed to the first rotary cylinder, and extending from the first rotary cylinder in the tangential direction of the first rotary cylinder, and the first hook piece. It is fixed to the first hook piece at a distance of a first protrusion obtained by adding the radius of the first fixed shaft to the leg thickness in the tangential direction of the rotary cylinder portion, and is fixed to the tangential direction of the first rotary cylinder portion. A first hook protrusion piece extending from the first hook piece in an orthogonal direction with a first protrusion length exceeding the radius of the first fixed axis and facing the outer periphery of the first rotary cylinder portion. The second binding hook is formed in a tubular shape and has a second hook width of less than half the length of the second shaft between the ends of the first cylinders. A second rotary cylinder that is concentrically arranged and is rotatable on the second fixed shaft and movably fitted to the second fixed shaft in a state of being movable in the direction of the axis center line of the second fixed shaft. The second rotating cylinder portion has a portion and the second hook width and is arranged between the ends of the second cylinder portions and fixed to the second rotating cylinder portion in the tangential direction of the second rotating cylinder portion. Fixed to the second hook piece extending from the second hook piece at a distance of a second protrusion obtained by adding the radius of the second fixed shaft to the leg thickness in the tangential direction of the second rotating cylinder portion. The second rotation is extended from the second hook piece in a direction orthogonal to the tangential direction of the second rotation cylinder portion with a second protrusion length exceeding the radius of the second fixed axis. It is a barricade leg characterized by having a second hook protrusion piece facing the outer periphery of the tubular portion.

According to the present invention, the first and second binding hooks are rotated and abutted (press-welded) on the first and second fixed shafts of the barricade leg (leg body) loaded with the first and second hook protrusion pieces. By connecting (binding) the barricade legs loaded in multiple stages by contacting the front and back of the legs, the loaded barricade legs (leg body) can be stored or transported without collapsing or slipping. (Transport) is possible.

It is a right-direction perspective view which shows the barricade leg which concerns on this invention. It is a left side perspective view which shows the leg for barricade which concerns on this invention. It is a front view which shows the barricade leg which concerns on this invention. It is a rear view which shows the barricade leg which concerns on this invention. It is a right side view which shows the barricade leg which concerns on this invention. It is a left side view which shows the barricade leg which concerns on this invention. FIG. 3 is a cross-sectional view taken along the line AA of FIG. FIG. 3 is a cross-sectional view taken along the line BB of FIG. It is a C partial enlarged view of FIG. It is the E partial enlarged view of FIG. It is a G partial enlarged view of FIG. It is the I partial enlarged view of FIG. (A) is a cross-sectional view taken along the line KK of FIG. 9, and (b) is a partially enlarged view of FIG. 13 (a). It is the D part enlarged view of FIG. It is the F partial enlarged view of FIG. FIG. 6 is an enlarged view of the H portion of FIG. It is a J partial enlarged view of FIG. (A) is a sectional view taken along line LL of FIG. 14, and (b) is a partially enlarged view of FIG. 18 (a). It is a figure which shows the 1st binding hook, (a) is a front view, (b) is a plan view (top view). It is a figure which shows the 2nd binding hook, (a) is a front view, (b) is a plan view (top view). It is a figure which shows the state which changed the 1st bundling hook from the 1st position to the 2nd position, (a) is a front view, (b) is a left side view. It is a figure which shows the state which changed the 2nd bundling hook from the 1st position to the 2nd position, (a) is a front view, (b) is a right side view. It is a front view which is the barricade leg which concerns on this invention, and has the 1st and 2nd bundling hooks arranged in the 2nd position and the unfolding position. (A) is an enlarged view of M part of FIG. 23, and (b) is an OO sectional view of FIG. 24 (a). (A) is an enlarged view of the N part of FIG. 23, and (b) is a sectional view taken along the line PP of FIG. 25 (a). It is a front view which is the leg for variating which concerns on this invention, and has the 1st and 2nd bundling hooks arranged in the 1st position and the unfolding position. It is a front view which shows the state which a plurality of barricade legs are loaded in a plurality of stages (three stages), and are connected (bound) by the first and second binding hooks. It is a right side view which shows the state which a plurality of barricade legs are loaded in a plurality of stages (three stages), and are connected (bound) by the first and second binding hooks. FIG. 27 is an enlarged cross-sectional view of FIG. 27. It is a perspective view which shows the barricade (single tube barricade).

The barricade leg according to the present invention will be described with reference to FIGS. 1 to 30.

In FIGS. 1 to 30, the barricade leg X (barricade support leg / barricade leg body) includes a leg body 1 (barricade leg body), a first binding hook 2, a second binding hook 3, and a pair of clamps 4. Be prepared.

As shown in FIG. 5, the leg body 1 is formed in a plate shape having a leg thickness T (leg plate thickness). The leg body 1 is made of, for example, a synthetic resin. The leg body 1 is formed into a hollow substantially trapezoidal plate shape by, for example, blow molding.

The leg body 1 is as shown in FIGS. 1 to 18. The first leg having the leg surface 1A and the leg back surface 1B in the leg thickness direction A (leg plate thickness direction) and facing the leg width direction B (leg plate width direction) orthogonal to the leg thickness direction A. It has a side surface 1C (outer surface of the first leg) and a side surface 1D of the second leg (outer surface of the second leg). The leg body 1 has a leg upper surface 1E and a leg bottom surface 1F (leg outer bottom surface) in a leg length direction C (leg plate length direction) orthogonal to the leg thickness direction A and the leg width direction B.

As shown in FIGS. 1 to 4, the first leg side surface 1C is arranged between one surface width end of the leg upper surface 1E and one surface width end of the leg bottom surface 1F in the leg width direction B. As shown in FIGS. 1 to 4, the second leg side surface 1D is arranged so as to face (oppose) the first leg side surface 1C in the leg width direction B, and the other surface width end and the leg bottom of the leg upper surface 1E. It is arranged between the other surface width ends of the surface 1F. The first and second leg side surfaces 1C and 1D form an inclination angle θA with respect to the leg width center line a of the leg body 1 in the leg width direction B, and expand from the leg upper surface 1E toward the leg bottom surface 1F while forming the leg upper surface. It is arranged (formed) between 1E and 1F of the bottom of the leg.

As shown in FIGS. 1 to 18, the leg body 1 has a leg center hole 5, a first leg hole groove 7, a second leg hole groove 8, a first storage groove 9, a second storage groove 10, and a first stop groove. 11. It has a second stop groove 12, a first fixed shaft 13, and a second fixed shaft 14.

The leg center hole 5 is formed in the leg body 1 as shown in FIGS. 1 to 4, 7 and 8. The leg center hole 5 is arranged between the first and second leg side surfaces 1C and 1D in the leg width direction B.

As shown in FIGS. 1 to 4, 7 and 8, the leg center hole 5 penetrates the leg body 1 in the leg thickness direction A and is opened to the leg surface 1A and the leg back surface 1B. The leg center hole 5 is formed in an isosceles triangle shape (isosceles triangle hole) and has the first and second leg inner side surfaces 5A and 5B of the isosceles side, and the leg inner bottom surface 5C of the bottom side. The leg center hole 5 is arranged in the leg body 1 with the intersecting vertices b of the inner side surfaces 5A and 5B of the first and second legs positioned (matched) with the leg width center line a. The leg center hole 5 is arranged (formed) in the leg body 1 with the vertices b of the first and second inner side surfaces 5A and 5B facing the leg upper surface 1E side and the leg inner bottom surface 5C facing the leg bottom surface 1F side. Will be done.

As shown in FIG. 3, the first leg inner side surface 5A has the first leg width interval HA separated from the first leg side surface 1C (first leg outer surface) in the leg width direction B, and the first and second legs. It is arranged between the side surfaces 1C and 1D. As shown in FIG. 4, the first leg inner side surface 5A is arranged parallel to the first leg side surface 1C with an inclination angle θA separated from the leg width center line a. As shown in FIG. 3, the second leg inner side surface 5B is the first leg inner side surface 5A with the first leg width interval HA separated from the second leg side surface 1D (second leg outer surface) in the leg width direction B. And it is arranged between the second leg side surface 1D. As shown in FIG. 4, the second leg inner side surface 5B is arranged parallel to the second leg side surface 1D with an inclination angle θA separated from the leg width center line a. As shown in FIGS. 1 to 4, the leg inner bottom surface 5C extends between the inner side surfaces 5A and 5B of the second leg in the leg width direction B, and is arranged parallel to the leg bottom surface 1F.

The first leg hole groove 7 is formed in the leg body 1 as shown in FIGS. 2, 9 to 11, and 13. The first leg hole groove 7 is arranged in the center of the leg body 1 in the leg length direction A, for example. The first leg hole groove 7 is arranged between the first leg side surface 1C (first leg outer surface) and the first leg inner side surface 5A.

As shown in FIGS. 9 to 11, the first leg hole groove 7 has the first hole groove width H1 in the direction D (hereinafter referred to as “first direction D”) intersecting the leg width direction B. It extends from the first leg side surface 1C to the second leg side surface 1D side (first leg inner side surface 5A side). The first direction D is, for example, the direction D parallel to the first leg side surface 1C.

As shown in FIG. 9, the first leg hole groove 7 has a first hole groove depth D1 from the first leg side surface 1C in a direction E (hereinafter referred to as “second direction E”) orthogonal to the first direction D. Is extended toward the side surface 1D of the second leg (inner side surface 5A of the first leg). The second direction E is, for example, a direction orthogonal to the first leg side surface 1C. The first hole groove depth D1 is shallower than the first leg width interval HA.

As shown in FIGS. 9 to 11, the first leg hole groove 7 is opened in the first leg side surface 1C with the first hole groove width H1. The first leg hole groove 7 is opened to the leg surface 1A and the leg back surface 1B through the leg body 1 in the leg thickness direction A.

As shown in FIGS. 9 to 11, the first leg hole groove 7 has a pair of first hole groove side surfaces 7A and 7B in the first direction D (the hole groove width direction of the first leg hole groove 7). The first hole groove bottom surface 7C is provided in the second direction E (direction orthogonal to the hole groove width direction of the first leg hole groove 7).

As shown in FIGS. 9 and 10, each of the first hole groove side surfaces 7A and 7B has a first hole groove width H1 (hole width) between the first hole groove side surfaces 7A and 7B in the first direction D. Have and be arranged in parallel. The first hole groove side surfaces 7A and 7B are arranged orthogonal to the first leg side surface 1C. As shown in FIGS. 9 to 11, the first hole groove bottom surface 7C has a first hole groove depth D1 from the first leg side surface 1C in the second direction E, and each first hole groove side surface 7A, It is placed between 7B.

The second leg hole groove 8 is formed in the leg body 1 as shown in FIGS. 1, 14 to 16 and 18. The second leg hole groove 8 is arranged at intervals in the first leg hole groove 7 in the leg width direction B. The second leg hole groove 8 is arranged at the center of the leg body 1 in the leg length direction A, for example. The second leg hole groove 8 is arranged between the second leg side surface 1D (second leg outer surface) and the second leg inner side surface 5B.

As shown in FIGS. 14 to 16, the second leg hole groove 8 has the second hole groove width H2 in the direction F (hereinafter referred to as “third direction F”) intersecting the leg width direction B. It extends from the side surface 1D of the second leg toward the side surface 1C of the first leg (inner side surface 5B of the second leg). The third direction F is, for example, a direction parallel to the second leg side surface 1D. The second hole groove width H2 (hole groove width) is, for example, the same width as the first hole groove width H1 (hole groove width).

As shown in FIG. 14, the second leg hole groove 8 has a second leg hole groove depth D2 from the second leg side surface 1D in the direction G orthogonal to the third direction F (hereinafter referred to as “fourth direction G”). Is extended to the side surface 1C side of the first leg (side side 5B on the inner surface of the second leg). The fourth direction G is, for example, a direction orthogonal to the second leg side surface 1D. The second hole groove depth D2 is shallower than the first leg width interval HA, and is, for example, the same depth as the first hole groove depth D1.

As shown in FIGS. 14 to 16, the second leg hole groove 8 is opened in the second leg side surface 1D with the second hole groove width H2. The second leg hole groove 8 penetrates the leg body 1 and is opened to the leg surface 1A and the leg back surface 1B in the leg thickness direction A.

As shown in FIGS. 14 to 16, the second leg hole groove 8 has a pair of second hole groove side surfaces 8A and 8B in the third direction F (the hole groove width direction of the second leg hole groove 8). The second hole groove bottom surface 8C is provided in the fourth direction G (direction orthogonal to the hole groove width direction of the second leg hole groove 8).

As shown in FIGS. 14 and 15, the second hole groove side surfaces 8A and 8B have a second hole groove width H2 between the second hole groove side surfaces 8A and 8B in the third direction F and are parallel to each other. Is placed in. The second hole groove side surfaces 8A and 8B are arranged orthogonal to the second leg side surface 1D. As shown in FIGS. 9 and 14 to 16, the second hole groove bottom surface 8C has a second hole groove depth D2 from the second leg side surface 1D in the second direction G, and each second hole is formed. It is arranged between the groove side surfaces 8A and 8B.

As shown in FIGS. 1, 2, 9 and 11 to 13, the first storage groove 9 is formed in the leg body 1 continuously with the first leg hole groove 7. The first storage groove 9 is arranged between the first leg hole groove 7 and the first leg inner side surface 5A (second leg side surface 1D). The first storage groove 9 has the same first groove width H3 (hole width) as the first hole groove width H1 in the first direction D, and is from the first leg hole groove 7 (first groove bottom surface 7C). It extends toward the inner side surface 5A of the first leg (side surface 1D of the second leg).
The first storage groove 9 has a first groove depth D3 from the leg surface 1A in the leg thickness direction A and is arranged (formed) in the leg body 1.

As shown in FIGS. 9 and 11 to 13, the first storage groove 9 has a first groove width H3 and a first groove width H3 on the first hole groove bottom surface 7C (first leg hole groove 7) and the first leg inner side surface 5A. It is opened with one groove depth D3. The first storage groove 9 has a first groove width H3 and is opened on the leg surface 1A.

As shown in FIGS. 9, 12, and 13, the first storage groove 9 has a pair of first groove side surfaces 9A and 9B in the first direction D (groove width direction of the first storage groove 9), and the legs. It has a first groove bottom surface 9C in the thickness direction A.

As shown in FIG. 9, the first groove side surfaces 9A and 9B are arranged in parallel with the first groove width H3 between the first groove side surfaces 9A and 9B in the first direction D. The first groove side surfaces 9A and 9B are continuously arranged on the first hole groove side surfaces 7A and 7B. The first groove side surfaces 9A and 9B are arranged between the first hole groove bottom surface 7C and the first leg inner side surface 5A. As shown in FIGS. 9 and 13, the first groove bottom surface 9C has a leg surface 1A to a first groove depth D3 in the leg thickness direction A, and is between the first groove side surfaces 9A and 9B. Be placed.

The second storage groove 10 is formed in the leg body 1 continuously in the second leg hole groove 8 as shown in FIGS. 1, 2, 14, and 16 to 18. The second storage groove 10 is arranged between the second leg hole groove 8 and the second leg inner side surface 5B (first leg side surface 1C). The second storage groove 20 has a second groove width H4 (groove width) that is the same as the second hole groove width H2 in the third direction F, and is from the second leg hole groove 8 (second hole groove bottom surface 8C). It extends toward the inner side surface 5B of the second leg (side surface 1C of the first leg).
The second storage groove 10 has a second groove depth D4 from the leg surface 1A in the leg thickness direction A, and is arranged (formed) in the leg body 1. The second groove depth D4 is, for example, the same depth as the first groove depth D1.

As shown in FIGS. 14 and 16 to 18, the second storage groove 10 has a second groove width H4 and a second groove width H4 on the second hole groove bottom surface 8C (second leg hole groove 8) and the second leg inner side surface 5B. It is opened with a groove depth D4. The second storage groove 10 has a second groove width H4 and is opened on the leg surface 1A.

As shown in FIGS. 14 and 18, the second storage groove 20 has a pair of second groove side surfaces 10A and 10B in the third direction F (groove width direction of the second storage groove 10), and has a leg thickness direction. A has a second groove bottom surface 10C.

As shown in FIG. 14, the second groove side surfaces 10A and 10B are arranged in parallel with the second groove width H4 between the second groove side surfaces 10A and 10B in the third direction F. The second groove side surfaces 10A and 10B are continuously arranged on the second hole groove side surfaces 8A and 8B. The second groove side surfaces 10A and 10B are arranged between the second hole groove bottom surface 8C and the second leg inner side surface 5B. As shown in FIGS. 14 and 18, the second groove bottom surface 10C has a leg surface 1A to a second groove depth D4 in the leg thickness direction A, and is between the second groove side surfaces 10A and 10B. Be placed.

As shown in FIGS. 1, 2, 9, 12, and 13, the first stop groove 11 is formed in the leg body 1 continuously with the first storage groove 9. The first stop groove 11 is arranged between the first storage groove 9 and the inner side surface 5A of the first leg in the second direction D. The first stop groove 11 is arranged between the first storage groove 9 and the leg back surface 1B in the leg thickness direction A.

As shown in FIG. 9, the first stop groove 11 has the same first stop groove width H5 (groove width) as the first hole groove width H1 in the first direction D, and the first storage groove 9 (the first storage groove 9). It extends from the bottom surface of 1 groove 9C) toward the back surface of the leg 1B.

As shown in FIG. 13, the first stop groove 11 has a first stop groove length L1 from the first groove bottom surface 9C (first storage groove 9) in the leg thickness direction A, and is formed on the leg back surface 1B. It is postponed toward.

As shown in FIGS. 9 and 13, the first stop groove 11 has a first stop groove depth D5 from the first leg inner side surface 5A in the second direction E (direction orthogonal to the first leg inner side surface 5A). It has and is arranged (formed) on the leg body 1.

As shown in FIG. 9, the first stop groove 11 is opened in the first groove bottom surface 9C (first storage groove 9) with a first stop groove width H5 and a first stop depth D5. As shown in FIGS. 9 and 13, the first stop groove 11 has a first stop groove width H5 and a first stop groove length L1 on the inner side surface 5A of the first leg and is opened.

As shown in FIGS. 9, 12, and 13, the first stop groove 11 has a pair of first stop groove lateral side surfaces 11A and 11B in the first direction D (groove width direction of the first stop groove 11). The leg thickness direction A (direction orthogonal to the groove width direction of the first stop groove 11) has the first stop groove vertical side surface 11C, and the second stop groove E has the first stop groove bottom surface 11D.

As shown in FIG. 9, the first stop groove lateral side surfaces 11A and 11B have a first stop groove width H5 between the first stop groove side side surfaces 11A and 11B in the first direction D and are parallel to each other. Be placed. The side surfaces 11A and 11B of the first stop groove are continuously arranged on the side surfaces 9A and 9B of the first groove. As shown in FIG. 13, each of the first stop groove lateral side surfaces 11A and 11B has a first stop groove length L1 from the first groove bottom surface 9C and extends toward the leg back surface 1B in the leg thickness direction A. Be present. As shown in FIG. 13, the first stop groove vertical side surface 11C has a first stop groove length L1 from the first groove bottom surface 9C in the leg thickness direction A, and each first stop groove side surface 11A, It is placed between 11B. As shown in FIG. 13, the first stop groove bottom surface 11D has a first stop groove depth D5 from the inner side surface 5A of the first leg in the second direction E, and the side surfaces 11A and 11B of the first stop groove, respectively. It is arranged between the first groove bottom surface 9C and the first stop groove vertical side surface 11C.

The second stop groove 12 is formed in the leg body 1 continuously in the second storage groove 10, as shown in FIGS. 1, 2, 14, 17, and 18. The second stop groove 12 is arranged between the second storage groove 10 and the inner side surface 5B of the second leg in the fourth direction G. The second stop groove 12 is arranged between the second storage groove 10 and the leg back surface 1B in the leg thickness direction A.

As shown in FIGS. 14, 17, and 18, the second stop groove 12 has a second stop groove width H6 (groove width) that is the same as the second hole groove width H2 in the third direction F, and is a second stop groove. 2 It extends from the storage groove 10 (second groove bottom surface 10C) toward the leg back surface 1B.

As shown in FIG. 18, the second stop groove 12 has a second stop groove length L2 from the second groove bottom surface 10C (second storage groove 10) in the leg thickness direction A, and is formed on the leg back surface 1B. It is postponed toward.

As shown in FIGS. 14 and 18, the second stop groove 12 has a second stop groove depth D6 from the inner side surface 5B of the second leg in the fourth direction G (direction orthogonal to the inner side surface 5B of the second leg). It has and is arranged (formed) on the leg body 1.

As shown in FIGS. 14 and 18, the second stop groove 12 is opened with the second stop groove width H6 and the second stop depth D6 in the second groove bottom surface 10C (second storage groove 10). .. As shown in FIGS. 14 and 18, the second stop groove 12 is opened with the second stop groove width H6 and the second stop groove length L2 on the inner side surface 5B of the second leg.

As shown in FIGS. 14, 17, and 18, the second stop groove 12 has a pair of second stop groove lateral side surfaces 12A and 12B in the third direction F (groove width direction of the second stop groove 12). A second stop groove vertical side surface 12C is provided in the leg thickness direction A (direction orthogonal to the groove width direction of the second stop groove 12), and a second stop groove bottom surface 12D is provided in the fourth direction G.

As shown in FIG. 14, the second stop groove lateral side surfaces 12A and 12B have a second stop groove width H6 between the second stop groove side side surfaces 12A and 12B in the third direction F and are parallel to each other. Be placed. The side surfaces 12A and 12B of the second stop groove are continuously arranged on the side surfaces 10A and 10B of the second groove. As shown in FIGS. 17 and 18, each of the second stop groove lateral side surfaces 12A and 12B has a second stop groove length L2 from the second groove bottom surface 10C to the leg back surface 1B in the leg thickness direction A. It is postponed toward. As shown in FIGS. 17 and 18, the second stop groove vertical side surface 12C has a second stop groove length L2 from the inner side surface 5B of the second leg in the leg thickness direction A, and each second stop groove is provided. It is arranged between the lateral side surfaces 12A and 12B. As shown in FIGS. 14 and 18, the second stop groove bottom surface 12D has a second stop groove depth D6 from the second stop groove bottom surface 10C in the fourth direction G, and each second stop groove side surface 12A. , 12B, and between the second groove bottom surface 10C and the second stop groove vertical side surface 12C.

The first fixed shaft 13 is arranged in the first leg hole groove 7 as shown in FIGS. 1, 2, and 9 to 13. The first fixed shaft 13 is formed of, for example, a synthetic resin in a circular shape (circular shaft) having a radius r1. The first fixed shaft 13 has a first shaft length Lα and extends in a direction H (hereinafter referred to as “fifth direction”) intersecting the leg width direction B. The first fixed shaft 13 extends in the fifth direction H where the axis center line α of the first fixed shaft 13 intersects the leg width direction B. The fifth direction H is, for example, the same direction as the first direction D and parallel to the first leg side surface 1C. The first shaft length Lα is, for example, the same length as the first hole groove width H1.

As shown in FIG. 13, the first fixed shaft 13 has a leg surface with a first axis vertical spacing P1 between the axis center line α of the first fixed shaft 13 and the leg surface 1A in the leg thickness direction A. It is arranged on the 1A side.
As shown in FIG. 13, the first fixed shaft 13 has a first fixed shaft 13 (outer circumference 13a of the first fixed shaft 13) in a direction I (hereinafter referred to as “sixth direction I”) orthogonal to the fifth direction H. ) And the first leg hole bottom surface 7C (first leg hole groove 7), with a first axis lateral spacing Q1 interposed therebetween, arranged on the side surface 1C side of the first leg. For the first fixed shaft 13, for example, the axis center line α of the first fixed shaft 13 is arranged in parallel with the first leg side surface 1C (first hole groove bottom surface 7C), and the outer circumference 13a (outer circumference) of the first fixed shaft 13 is arranged. The surface) is arranged flush with the side surface 1C of the first leg.

As shown in FIGS. 9 to 11, the first fixed shaft 13 is bridged between the first hole groove side surfaces 7A and 7B of the first leg hole groove 7 in the fifth direction, and each first hole. It extends between the groove side surfaces 7A and 7B. As shown in FIGS. 9 to 11, the first fixed shaft 13 has the first shaft ends 13A and 13B (each shaft end) of the first fixed shaft 13 in the holes of the first leg hole grooves 7 in the fifth direction. It abuts on each of the first hole groove side surfaces 7A and 7B (first leg hole groove 7) in the width direction D, and is fixed (connected) to the leg body 1. The first fixed shaft 13 is integrally formed with the leg body 1 with synthetic resin.

The first fixed shaft 13 has a first shaft protrusion 31 as shown in FIGS. 12 and 13. The first shaft protrusion 31 is located between the axis center line α of the first fixed shaft 13 and the leg surface 1A in the leg thickness direction A, and is arranged on the outer circumference 13a of the first fixed shaft 13. The first shaft protrusion 31 is located between the axis center line α of the first fixed shaft 13 and the side surface 1C of the first leg in the sixth direction I, and is arranged on the outer circumference 13a of the first fixed shaft 13. The first shaft protrusion 31 is arranged on a straight line α1 in the first direction D orthogonal to the axis center line α of the first fixed shaft 13 at a distance of a first angle θX. The first shaft protrusion 31 projects from the outer circumference 13a of the first fixed shaft 13 in the out-of-diameter direction of the first fixed shaft 13 and is integrally formed with the first fixed shaft 13.
The first shaft protrusion 31 extends between the first shaft ends 13A and 13B in the direction H (fifth direction) of the axis center line α of the first fixed shaft 13.

The second fixed shaft 14 is arranged in the second leg hole groove 8 as shown in FIGS. 1, 2, and 14 to 18. The second fixed shaft 14 is formed of, for example, a synthetic resin in a circular shape (circular shaft) having a radius r2. The radius r2 of the second fixed shaft 14 is, for example, the same radius as the radius r1 of the first fixed shaft 13.
The second fixed shaft 14 has a second shaft length Lβ and extends in a direction J (hereinafter referred to as “seventh direction J”) intersecting the leg width direction B. The second fixed shaft 14 extends in the seventh direction J where the axis center line β of the second fixed shaft 14 intersects the leg width direction B. The seventh direction J is, for example, the same direction as the third direction F and parallel to the first leg side surface 1C. The second shaft length Lβ is, for example, the same length as the second hole groove width H2.

As shown in FIG. 18, the second fixed shaft 14 has a leg surface with a second axis vertical spacing P2 between the axis center line β of the second fixed shaft 14 and the leg surface 1A in the leg thickness direction A. It is arranged on the 1A side.
As shown in FIG. 18, the second fixed shaft 14 has a second fixed shaft 14 (outer circumference 14a of the second fixed shaft 14) in a direction K orthogonal to the seventh direction J (hereinafter referred to as “eighth direction K”). ) And the second hole groove bottom surface 8C (second leg hole groove 8), with the second axis lateral spacing Q2 interposed therebetween, arranged on the side surface 1D side of the second leg. For the second fixed shaft 14, for example, the axis center line β of the second fixed shaft 14 is arranged in parallel with the second leg side surface 1D (second hole groove bottom surface 7C), and the outer circumference 14a (outer circumference) of the second fixed shaft 14 is arranged. The surface) is arranged flush with the side surface 1D of the second leg.

As shown in FIGS. 14 to 16, the second fixed shaft 14 is bridged between the second hole groove side surfaces 8A and 8B of the second leg hole groove 8 in the seventh direction J, and each second is It extends between the hole groove side surfaces 8A and 8B.
As shown in FIGS. 14 to 16, the second fixed shaft 14 has the second shaft ends 14A and 14B (each shaft end) of the second fixed shaft 14 in the second leg hole groove 8 in the seventh direction J. It abuts on the side surfaces 8A and 8B of the second hole groove in the hole width direction F and is fixed (connected) to the leg body 1. The second fixed shaft 14 is integrally formed with the leg body 1 with synthetic resin.

The second fixed shaft 14 has a second shaft protrusion 32 as shown in FIGS. 17 and 18. The second shaft protrusion 32 is located between the axis center line β of the second fixed shaft 14 and the leg surface 1A in the leg thickness direction A, and is arranged on the outer circumference 14a of the second fixed shaft 14. The second shaft protrusion 32 is located between the axis center line β of the second fixed shaft 14 and the side surface 1D of the second leg in the eighth direction K, and is arranged on the outer circumference 14a of the second fixed shaft 14. The second shaft protrusion 32 is arranged on a straight line β1 in the fourth direction F orthogonal to the axis center line β of the second fixed shaft 14 at a distance of a second angle θY. The second angle θY is, for example, the same angle as the first angle θX.
The second shaft protrusion 32 protrudes from the outer peripheral surface 14a of the second fixed shaft 14 in the out-of-diameter direction of the second fixed shaft 14, and is integrally formed with the second fixed shaft 14.
The second shaft protrusion 32 extends between the second shaft ends 14A and 14B in the direction (seventh direction) of the axis center line β of the second fixed shaft 14.

As shown in FIG. 19, the first binding hook 2 has a first hook main body 35 and a first hook protrusion piece 36 (first hook protrusion).

As shown in FIG. 19, the first hook main body 35 has a first rotary cylinder portion 37 and a first hook piece 38.

As shown in FIG. 19, the first rotary cylinder portion 37 is formed in a tubular shape, for example, in a cylindrical shape (cylindrical body). The first rotary cylinder portion 37 has a first hook width HP (1st hook width HP) between the first cylinder ends 37A and 37B (first cylinder end surface / cylinder end) in the direction M of the cylinder center line m of the first rotary cylinder portion 37. It has a first cylinder length) and is formed in a cylindrical shape. The first hook width HP is the width (length) of less than half of the first shaft length Lα of the first fixed shaft 13 (exceeding zero and less than half of the first shaft length Lα) [0 <HP <(). 1/2) x Lα].

As shown in FIG. 19, the first rotary cylinder portion 37 has a first notch hole 39 and a first recessed groove 40.

As shown in FIG. 19, the first notch hole 39 (first notch) has a first notch width HM in the circumferential direction (circumferential direction) of the first rotary cylinder portion 37, and is the first rotation. It is formed on the tubular portion 37. The first notch hole 39 penetrates the first rotary cylinder portion 37 in the radial direction of the first rotary cylinder portion 37, and has an inner circumference 37a (inner peripheral surface) and an outer circumference 37b (outer circumference) of the first rotary cylinder portion 37. (Surface) is opened. The first notch hole 39 extends between the first cylinder ends 37A and 37B in the direction M of the cylinder center line m of the first rotating cylinder portion 37, and opens at the first cylinder ends 37A and 37B. Will be done. The first notch width HM has an interval slightly narrower than the outer peripheral diameter (2 × r1) of the first fixed shaft 13.
As shown in FIG. 19, the first rotary cylinder portion 37 has the first cylinder peripheral ends 37C and 37D (cylinder peripheral ends) in the circumferential direction of the first rotary cylinder portion 37, and each first cylinder peripheral end. The 37C and 37D are arranged so as to face each other with a first notch hole 39 between the peripheral ends 37C and 37D of the first cylinder.

As shown in FIG. 19, the first recessed groove 40 is located between the cylinder center line m of the first rotary cylinder portion 37 and the peripheral end 37C of the first cylinder (one peripheral end of the first cylinder). It is formed on the rotary cylinder portion 37. The first recessed groove 40 has a first rotation θX on a straight line m1 that is orthogonal to the cylinder center line m of the first rotating cylinder portion 37 and passes between the peripheral ends 37C and 37D of the first cylinder. It is formed on the tubular portion 37. The first recessed groove 40 has a groove depth in the outer diameter direction of the first rotary cylinder portion 37 (on the outer peripheral side 37b side of the first rotary cylinder portion 37), and has an inner circumference 37a (inner side) of the first rotary cylinder portion 37. It is opened on the peripheral surface).
The first recessed groove 40 has a groove width in the circumferential direction of the first rotary cylinder portion 37, and is opened in the inner peripheral 37a (inner peripheral surface) of the first rotary cylinder portion 37. The first recessed groove 40 extends between the first cylinder ends 37A and 37B in the direction M of the cylinder center line m of the first rotating cylinder portion 37, and is opened at the first cylinder ends 37A and 37B. To.

As shown in FIG. 19, the first hook piece 38 is formed, for example, in the shape of a rectangular plate (rectangular plate / rectangular plate) having a plate thickness TP. The first hook piece 38 (first hook piece plate / first hook plate) has a first plate surface 38A (plate surface) and a first plate back surface 38B (plate back surface) in the plate thickness direction N. The first plate thickness TP is thinner than the first groove depth D3 of the first storage groove 9.

As shown in FIG. 19, the first hook piece 38 has a first hook width HP in the direction M of the cylinder center line m of the first rotary cylinder portion 37, and each first cylinder of the first rotary cylinder portion 37. It is arranged between the ends 37A and 37B and fixed (connected) to the first rotary cylinder portion 37 (outer circumference 37b).
In the first hook piece 38, the first hook piece width ends 38C and 38D (hook piece width end faces) are arranged flush with the first cylinder ends 37A and 37B, and between the first cylinder ends 37A and 37B. Is postponed to.

As shown in FIG. 19, the first hook piece 38 has a first plate back surface 38B (plate back surface) directed toward the first cylinder peripheral end 37D (the other first cylinder peripheral end) of the first rotary cylinder portion 37. It is fixed (connected) to the first rotary cylinder portion 37 continuously to the first cylinder peripheral end 37C (one of the first cylinder peripheral ends) of the first rotary cylinder portion 37.
The first hook piece 38 is first in the tangential direction О (hereinafter referred to as “tangential direction О of the first rotary cylinder 37”) in contact with the first rotary cylinder 37 (outer circumference 37b of the first rotary cylinder 37). It extends from the rotary cylinder portion 37 (outer circumference 37b of the first rotary cylinder portion 37) with a first hook piece length LQ. The first hook piece length LQ is a piece length that exceeds the length obtained by adding the radius r1 of the first fixed shaft 13 to the leg thickness T (leg body 1) (LQ = T + r1).

As shown in FIG. 19, the first hook protrusion piece 36 is formed, for example, in the shape of a rectangular plate (ground rectangular plate / rectangular plate) having a plate thickness TS. The first hook protrusion piece 36 has a first hook protrusion plate surface 36A (plate surface) and a first hook protrusion plate back surface 36B (plate back surface) in the plate thickness direction S.

As shown in FIG. 19, the first hook protrusion piece 36 has a first hook width HP in the direction M of the cylinder center line m of the first rotary cylinder portion 37 (the plate width direction of the first hook piece 38). , It is arranged between the first cylinder ends 37A and 37B (the first hook piece width ends 38C and 38D of the first hook piece 38) and fixed (connected) to the first hook piece 38. In the first hook protrusion piece 36, the first hook protrusion width ends 36C and 36D (hook protrusion width end faces) are arranged flush with the first cylinder ends 37A and 37B (each first hook piece width ends 38C and 38D). Then, they are arranged at the first cylinder ends 37A and 37B (each first hook piece width end 38C and 38D).

As shown in FIG. 19, the first hook protrusion piece 36 (first hook protrusion piece / first hook protrusion plate) has a tangential direction О of the first rotary cylinder portion 37 (direction in which the first hook piece 38 extends). In, the first rotary cylinder portion 37 is fixed (connected) to the first hook piece 38 with a first protrusion spacing LR from the cylinder center line m. The first protrusion interval LR is an interval obtained by adding the radius r1 of the first fixed shaft 13 to the leg thickness T (leg body 1) (LR = T + r1).

As shown in FIG. 19, the first hook protrusion piece 36 is a first hook piece 38 (hereinafter referred to as a "nineth direction T") in a direction T (hereinafter referred to as "nineth direction T") orthogonal to the tangential direction O of the first rotary cylinder portion 37. It extends from the back surface 38B) of one plate with a first protrusion length LT, and is arranged so as to face the outer periphery 37b of the first rotary cylinder portion 37. The first hook protrusion piece 36 faces the outer circumference 37b of the first rotary cylinder portion 37 with the surface 36A (plate surface) of the first hook protrusion plate facing the ninth direction T (the direction in which the first hook piece 38 extends). It extends from the back surface 38B of the first plate of the first hook piece 38 with the first protrusion length LT in the direction orthogonal to each other).
The first protrusion length LT is a length that exceeds the radius r1 of the first fixed shaft 13 and slightly exceeds the diameter (2 × r1) of the first fixed shaft 13.

As shown in FIG. 19, the first hook protrusion piece 36 has a first protrusion 41 (first convex portion). The first protrusion 41 is fixed (connected) to the first hook protrusion piece 36 in the ninth direction T with a first protrusion spacing LU from the back surface 38B of the first plate of the first hook piece 38. The first protrusion spacing LU is a spacing (length) of the diameter (2 × r1) of the first fixed shaft 13.
The first protrusion 41 is projected from the surface 36A of the first hook protrusion plate 36 of the first hook protrusion piece 36 toward the first rotary cylinder 37 (outer circumference 37b) in the tangential direction O of the first rotary cylinder 37. ..

The first binding hook 2 is made of an elastic material such as synthetic resin to form a first hook main body 35 (first rotary cylinder portion 37 and a first hook piece 38) and a first hook protrusion piece 36 (first protrusion 41). It is integrally formed so that the first rotary cylinder portion 37, the first hook piece 38, and the first hook protrusion piece 36 can be elastically deformed.

The first binding hook 2 is rotatably attached to the first fixed shaft 13 and of the axis center line α of the first fixed shaft 13, as shown in FIGS. 1, 2, 9 to 11 and 13. It is attached to the first fixed shaft 13 so as to be movable (sliding) in the direction.
In the first binding hook 2, the first rotary cylinder portion 37 is concentrically arranged on the first fixed shaft 13, the first rotary cylinder portion 37 is rotatable on the first fixed shaft 13, and the axis center of the first fixed shaft 13. It is attached to the first fixed shaft 13 so as to be movable (slable) in the direction of the line α. The first rotary cylinder portion 37 is concentrically arranged on the first fixed shaft 13, is rotatable on the first fixed shaft 13, and is movable (sliding) in the direction of the axis center line α of the first fixed shaft 13. In the state, it is externally fitted to the first fixed shaft 13.

As shown in FIGS. 9 and 13, the first binding hook 2 is arranged by inserting the first rotary cylinder portion 37 into the first leg hole groove 7 from the first leg side surface 1C. The first rotary cylinder portion 37 is inserted (arranged) into the first leg hole groove 7 from the first leg side surface 1C with the peripheral ends 37C and 37D of the first cylinder facing the first fixed shaft 13.

As shown in FIG. 13, the first binding hook 2 has the first cylinder peripheral ends 37C and 37D of the first rotary cylinder portion 37 in the second direction D (first leg side surface 1C) in the first leg hole groove 7. / Pressed against the first fixed shaft 13 (outer circumference 13a) toward the inner side surface 5A of the first leg, elastically deformed while expanding the peripheral ends 37C and 37D of the first cylinder, and the first notch hole 39 (each first). The first fixed shaft 13 is inserted into the first rotary cylinder portion 37 from (between 1 cylinder peripheral end 37C and 37D).

As shown in FIGS. 9 and 12, the first binding hook 2 has the first hook piece width end 38C (one first hook piece width end) of the first hook piece 38 as the first leg hole groove 7. The first hook protrusion width end 36C (one first hook protrusion width end) of the first hook protrusion piece 36 is directed toward the hole groove side surface 7A (one first hole groove side surface), and the first leg hole groove 7 is located. The first hook piece 38 and the first hook protrusion piece 36 are arranged between the first hole groove side surfaces 7A and 7B toward the one-hole groove side surface 7A.

As shown in FIG. 13, the first rotary cylinder portion 37 has, as shown in FIG. 13, in the first leg hole groove 7, with the peripheral ends 37C and 37D of the first cylinder directed to the second direction D on the outer circumference 13a of the first fixed shaft 13. By pressing and elastically deforming while expanding the peripheral ends 37C and 37D of the first cylinder by the pressing force, the first rotating cylinder portion 37 is elastically deformed from the first notch hole 39 (between the peripheral ends 37C and 37D of the first cylinder). The first fixed shaft 13 is inserted inside and fitted to the first fixed shaft 13. The first rotary cylinder portion 37 is externally fitted to the first fixed shaft 13 in the second direction D (sixth direction) with a gap (gap) between the first hole groove bottom surface 7C of the first leg hole groove 7. To.
The first rotary cylinder portion 37 is concentrically arranged on the first fixed shaft 13 by the outer fitting of the first fixed shaft 13, is rotatable around the axis center line α of the first fixed shaft 13, and is the first fixed shaft 13. It is made movable in the direction of the axis center line α of.

The first binding hook 2 makes the inner circumference 37a of the first rotary cylinder portion 37 the outer circumference of the first fixed shaft 13 by the action of a force in the fifth direction H (the direction of the axis center line α of the first fixed shaft 13). While in contact with (sliding) the 13a and the first shaft protrusion 31, it is moved in the direction of the axis center line α of the first fixed shaft 13 (fifth direction H), and is moved to the first position PX (see FIG. 21) or the first position. It is arranged at two positions PY (see FIGS. 9 to 12).

As shown in FIG. 21, the first position PX has the first cylinder end 37A (one of the first cylinder ends) of the first rotary cylinder portion 37 as the first hole groove side surface 7A (one of them) of the first leg hole groove 7. The first cylinder end 37B (the other first cylinder end) of the first rotary cylinder portion 37 and the first hole groove side surface 7B (the other first) of the first leg hole groove 7 in contact with the first hole groove side surface). It is a position that forms a space exceeding half of the first shaft length Lα between the holes (side surfaces of the holes).
As shown in FIG. 21, the first position PX is the first hook piece width end 38D of the first hook piece 38 (the other first hook piece width end) and the first hole groove side surface 7B of the first leg hole groove 7. It is a position that forms a space that exceeds half of the first axis length Lα between the two.
As shown in FIG. 21, the first position PX is the first hook protrusion width end 36D (the other first hook protrusion width end) of the first hook protrusion piece 36 and the first hole groove side surface of the first leg hole groove 7. It is a position that forms a space that exceeds half of the first axis length Lα between 7B.

As shown in FIGS. 9 to 11, the second position PY abuts the first cylinder end 37B of the first rotary cylinder portion 37 against the first hole groove side surface 7B of the first leg hole groove 7, and makes the first rotation. It is a position that forms a space exceeding half of the first shaft length Lα of the first fixed shaft 13 between the first cylinder end 37A of the cylinder portion 37 and the first hole groove side surface 7A of the first leg hole groove 7.
As shown in FIG. 9, the second position PY is the first hook piece width end 38C (one first hook piece width end) of the first hook piece 38 and the first hole groove side surface 7A of the first leg hole groove 7. It is a position that forms a space that exceeds half of the first axis length Lα between the two.
As shown in FIG. 12, the second position PY is the first hook protrusion width end 36C (one first hook protrusion width end) of the first hook protrusion piece 36 and the first hole groove side surface of the first leg hole groove 7. It is a position that forms a space that exceeds half of the first axis length Lα between 7A.

The first binding hook 2 contacts the inner peripheral 37a of the first rotary cylinder 37 with the outer peripheral 13a of the first fixed shaft 13 and the first shaft protrusion 31 by the action of a force in the circumferential direction of the first rotary cylinder 37. While (sliding), it is rotated around the axis center line α of the first fixed shaft 13 and placed at the storage position QX (see FIGS. 9 to 12) or the unfolding position QY (see FIGS. 23 and 24). ..

As shown in FIG. 13, the storage position QX inserts the first shaft protrusion 31 of the first fixed shaft 13 into the first recessed groove 40 of the first rotary cylinder portion 37, and first stores the first hook piece 38. It is a position to insert into the groove 9 and to insert the first hook protrusion piece 36 into the first stop groove 11.
In the storage position QX, as shown in FIG. 13, the first shaft protrusion 31 is in contact with the first recessed groove 40 to restrict the rotation of the first binding hook 2 (first rotary cylinder portion 37).
In the storage position QY, as shown in FIGS. 9 and 13, the first hook piece 38 is arranged between the first groove side surfaces 9A and 9B of the first storage groove 9, and the first plate back surface 38B and the first. It is inserted (stored) into the first storage groove 9 with a gap between the groove bottom surfaces 9C.
In the storage position QX, the first hook protrusion piece 36 is arranged between the side surfaces 11A and 11B of the first stop groove 11 of the first stop groove 11 as shown in FIGS. 12 and 13, and the bottom surface 9C of the first groove is arranged. It is arranged between the vertical side surface 11C of the first stop groove, and the first protrusion 41 abuts on the bottom surface 11D of the first stop groove and is inserted into the first stop groove 11.

As shown in FIG. 24, the unfolding position QY abuts the first cylinder peripheral end 37D (the other first cylinder peripheral end) of the first rotary cylinder portion 37 on the first shaft protrusion 31 of the first fixed shaft 13. The first hook piece 38 is arranged in the first leg hole groove 7, and the first hook piece 38 and the first hook protrusion piece 36 extend (retract) from the side surface 1C of the first leg to the outside of the leg body 1. be.

The first binding hook 2 is rotated while being separated from the leg surface 1A (first storage groove 9 and first stop groove 11) as the rotation from the storage position QX to the deployment position QY.
As shown in FIG. 24, the first rotary cylinder portion 37 pulls out the first shaft protrusion 31 from the first recessed groove 40 as the rotation from the storage position QX to the deployment position QY, and the first rotary cylinder portion 37 The inner circumference 37a of the first rotating cylinder portion 37 is rotated while being in contact with the outer peripheral surface 13a (outer peripheral surface) of the first shaft protrusion 31 and the first fixed shaft 13, and the first shaft is formed from the inner circumference 37a of the first rotary cylinder portion 37. The protrusion 31 is extracted and the first shaft protrusion 31 is arranged between the peripheral ends 37C and 37D of the first cylinder.
As shown in FIG. 24, the first rotary cylinder portion 37 has a first shaft protrusion 31 from the peripheral end 37C of the first cylinder (one peripheral end of the first cylinder) as the rotation from the storage position QX to the deployment position QY. Is extracted between the peripheral ends 37C and 37 of each cylinder, and the first peripheral end 37D (the other peripheral end of the first cylinder) abuts on the first shaft protrusion 31 and is arranged at the deployment position QX.

The first binding hook 2 is rotated toward the leg surface 1A (first storage groove 9 and first stop groove 1) as the rotation from the deployment position QY to the storage position QX.
As shown in FIG. 13, the first rotary cylinder portion 37 has a first shaft protrusion 31 in the first rotary cylinder portion 37 from the peripheral end 37C of the first cylinder as the rotation from the deployment position QY to the storage position QX. After being inserted, the inner circumference 37a of the first rotary cylinder portion 37 is rotated while being in contact with the outer circumference 13a of the first shaft protrusion 31 and the first fixed shaft 13, and the first shaft is inserted into the first recessed groove 40. The protrusion 31 is inserted and placed at the storage position QX.

As shown in FIG. 20, the second binding hook 3 has a second hook main body 45 and a second hook protrusion piece 46 (second hook protrusion).

As shown in FIG. 20, the second hook main body 45 has a second rotary cylinder portion 47 and a second hook piece 48.

As shown in FIG. 20, the second rotary cylinder portion 47 is tubular, for example, formed into a cylindrical shape (cylindrical body). The second rotary cylinder portion 47 has a second hook width HS between the second cylinder ends 47A and 47B (second cylinder end surface / cylinder end) in the direction O of the cylinder center line о of the second rotary cylinder portion 47. It has a second hook length) and is formed in a cylindrical shape. The second hook width HS is a length less than half of the second shaft length Lβ of the second fixed shaft 14 (more than zero and less than the second shaft length L2) [0 <HS <(1/2) ×. L2].

As shown in FIG. 20, the second rotary cylinder portion 47 has a second notch hole 49 and a second recessed groove 50.

As shown in FIG. 20, the second notch hole 49 (second notch) has a second notch width HN in the circumferential direction (circumferential direction) of the second rotary cylinder portion 47, and is used for the second rotation. It is formed on the tubular portion 47. The second notch hole 49 penetrates the second rotary cylinder portion 47 in the outer diameter direction of the second rotary cylinder portion 47, and the inner peripheral 47a (inner peripheral surface) and the outer peripheral 47b (inner peripheral surface) of the second rotary cylinder portion 47 (inner peripheral surface). It is opened on the outer peripheral surface). The second notch hole 47 extends between the second cylinder ends 47A and 47B (each second cylinder end surface) in the direction O of the cylinder center line о of the second rotating cylinder portion 47, and is each second. It is opened at the cylinder ends 47A and 47B. The second notch width HN is slightly narrower than the outer peripheral diameter (2 × r2) of the second fixed shaft 14.
The second rotary cylinder portion 47 has the second cylinder peripheral ends 47C and 47D (cylinder peripheral ends) in the circumferential direction of the second rotary cylinder portion 47, and the second cylinder peripheral ends 47C and 47D are the first. A second notch hole 49 is provided between the peripheral ends 47C and 47D of the two cylinders and is arranged so as to face each other.

As shown in FIG. 20, the second recessed groove 50 is located between the cylinder center line о of the second rotary cylinder portion 47 and the peripheral end 47C of the second cylinder (one peripheral end of the first cylinder), and is the second. It is formed on the rotary cylinder portion 47. The second recessed groove 50 has a second angle θY on a straight line о1 that is orthogonal to the cylinder center line о of the second rotating cylinder portion 47 and passes between the peripheral ends 47C and 47D of the second cylinder. It is formed on the rotary cylinder portion 47. The second recessed groove 50 has a groove depth in the outer diameter direction of the second rotary cylinder portion 47 (the outer peripheral 47b side of the second rotary cylinder portion 47), and has an inner circumference 47a (inner side) of the second rotary cylinder portion 47. It is opened on the peripheral surface).
The second recessed groove 50 has a groove width in the circumferential direction of the second rotary cylinder portion 47, and is opened in the inner peripheral 47a (inner peripheral surface) of the second rotary cylinder portion 47. The second recessed groove 50 extends between the second cylinder ends 47A and 47B in the direction O of the cylinder center line о of the second rotating cylinder portion 47, and is opened at the second cylinder ends 47A and 47B. To.

As shown in FIG. 20, the second hook piece 48 is formed, for example, in the shape of a rectangular plate (rectangular plate / rectangular plate) having a plate thickness of TW. The second hook piece 48 (second hook piece plate / second hook plate) has a second plate surface 48A (plate surface) and a second plate back surface 48B (plate back surface) in the plate thickness direction V. The second plate thickness TS is a plate thickness thinner than the second groove depth D4 of the second storage groove 10.

As shown in FIG. 20, the second hook piece 48 has a second hook width HS in the direction O of the cylinder center line о of the second rotary cylinder portion 47, and is between the second cylinder ends 47A and 47B, respectively. Be placed.
In the second hook piece 48, the width ends 48C and 48D of the second hook pieces are arranged flush with the second cylinder ends 47A and 47B of the second rotary cylinder portion 47, and the second cylinder ends 47A and 47B are arranged flush with each other. Placed in between.

As shown in FIG. 20, the second hook piece 48 has the second plate back surface 48B (plate back surface) directed toward the second cylinder peripheral end 47D (the other second cylinder peripheral end) of the second rotary cylinder portion 47. It is fixed (connected) to the second rotary cylinder portion 47 continuously to the second cylinder peripheral end 47C (one of the second cylinder peripheral ends) of the second rotary cylinder portion 47.
The second hook piece 48 has a tangential direction W in contact with the second rotary cylinder portion 47 (outer circumference 47b of the second rotary cylinder portion 47) (hereinafter referred to as “tangential direction W of the second rotary cylinder portion 47”). It extends from the two-turn cylinder portion 47 (outer circumference 47b of the second rotary cylinder portion 47) with a second hook piece length LS. The second hook piece length LS is a piece length that exceeds the length obtained by adding the radius r2 of the second fixed shaft 14 to the leg thickness T (leg body 1) (LS = T + r2).

As shown in FIG. 20, the second hook protrusion piece 46 is formed, for example, in the shape of a rectangular plate (ground rectangular plate / rectangular plate) having a plate thickness of TU. The second hook protrusion piece 46 has a second hook protrusion plate surface 46A (plate surface) 2 and a second hook protrusion plate back surface 46B (plate back surface) in the plate thickness direction Y.

As shown in FIG. 20, the second hook protrusion piece 46 has a second hook width HS in the direction O of the cylinder center line о of the second rotary cylinder portion 47 (the plate width direction of the second hook piece 48). , It is arranged between the second cylinder ends 47A and 47B (the second hook piece width ends 48C and 48D of the second hook piece 48) and fixed (connected) to the second hook piece 48. In the second hook protrusion piece 46, the second hook protrusion width ends 46C and 46D (hook protrusion width end faces) are arranged flush with the second cylinder ends 47A and 47B (second hook piece width ends 48C and 48D). Then, it is arranged at each second cylinder end 47A, 47B (each second hook piece width end 48C, 48D).

As shown in FIG. 20, the second hook protrusion piece 46 (second hook protrusion piece / second hook protrusion plate) has a tangential direction W of the second rotary cylinder portion 47 (direction in which the second hook piece 48 extends). In, the second rotary cylinder portion 47 is fixed (connected) to the second hook piece 48 with a second protrusion interval LW from the cylinder center line о. The second protrusion interval LW is an interval obtained by adding the radius r2 of the second fixed shaft 14 to the leg thickness T (leg body 1) (LW = T + r2).

As shown in FIG. 20, the second hook protrusion piece 46 is a second hook piece 48 (hereinafter referred to as “10th direction Z”) in a direction Z (hereinafter referred to as “10th direction Z”) orthogonal to the tangential direction W of the second rotary cylinder portion 47. It extends from the back surface of the two plates 48B) with a second protrusion length LV, and is arranged so as to face the outer periphery 47b of the second rotary cylinder portion 47. The second hook protrusion piece 46 faces the outer circumference 47b of the second rotary cylinder portion 47 with the surface 46A (plate surface) of the second hook protrusion plate facing the tenth direction Z (the direction in which the second hook piece 48 extends). It extends from the back surface 48B of the second plate of the second hook piece 48 with a second protrusion length LV in the direction orthogonal to each other).
The second protrusion length LV is a length that exceeds the radius r2 of the second fixed shaft 14, and is a length that slightly exceeds the diameter (2 × r2) of the second fixed shaft 14.

As shown in FIG. 20, the second hook protrusion piece 46 has a second protrusion 51 (first convex portion). The second protrusion 51 is fixed (connected) to the second hook protrusion piece 46 in the tenth direction Z with a gap LZ between the second protrusions and the second plate back surface 48B of the second hook piece 48. The second protrusion spacing LZ is a spacing (length) of the diameter (2 × r2) of the second fixed shaft 14.
The second protrusion 51 is projected from the surface 46A of the second hook protrusion plate of the second hook protrusion piece 46 toward the second rotary cylinder 47 (outer circumference 47b) in the tangential direction W of the second rotary cylinder 47. ..

The second binding hook 3 is made of an elastic material such as synthetic resin to form a second hook main body 45 (second rotary cylinder portion 47 and second hook piece 48) and a second hook protrusion piece 46 (second protrusion 51). The second rotary cylinder portion 47, the second hook piece 48, and the second hook protrusion piece 46 are formed integrally so as to be elastically deformable.

The second binding hook 3 is rotatably attached to the second fixed shaft 14 and of the axis centerline β of the second fixed shaft 14, as shown in FIGS. 1, 14 to 16 and 18. It is attached to the second fixed shaft 14 so as to be movable (sliding) in the direction.
In the second binding hook 3, the second rotary cylinder portion 47 is concentrically arranged on the second fixed shaft 14, the second rotary cylinder portion 47 is rotatable on the second fixed shaft 14, and the axis center of the second fixed shaft 14 is It is attached to the second fixed shaft 14 so as to be movable (slable) in the direction of the line β. The second rotary cylinder portion 47 is concentrically arranged on the second fixed shaft 14, is rotatable on the second fixed shaft 14, and is movable (sliding) in the direction of the axis center line β of the second fixed shaft 14. In the state, it is externally fitted to the second fixed shaft 14.

As shown in FIGS. 14 and 18, the second binding hook 3 is arranged by inserting the second rotary cylinder portion 47 into the second leg hole groove 8 from the second leg side surface 1D. The second rotary cylinder portion 47 is inserted (arranged) into the second leg hole groove 8 from the second leg side surface 1D with the respective second cylinder peripheral ends 47C and 47D facing the second fixed shaft 14.

As shown in FIG. 18, the second binding hook 3 has the second cylinder peripheral ends 47C and 47D of the second rotating cylinder portion 47 in the second leg hole groove 8 in the fourth direction G (second leg side surface 1D). / Pressed against the second fixed shaft 14 (outer circumference 14a) toward the inner side surface 5B of the second leg), elastically deformed while expanding the peripheral ends 47C and 47D of the second cylinder, and the second notch hole 49 (each second). The second fixed shaft 14 is inserted into the second rotary cylinder portion 47 from (between the two cylinder peripheral ends 47C and 47D).

As shown in FIGS. 14 and 17, the second binding hook 3 has the second hook piece width end 48C (one second hook piece width end) of the second hook piece 48 as the second leg hole groove 8. The second hook protrusion width end 46C (one second hook protrusion width end) of the second hook protrusion piece 46 is directed toward the hole groove side surface 8A (one second hole groove side surface), and the second leg hole groove 8 is located. The second hook piece 48 and the second hook protrusion piece 46 are arranged between the second hole groove side surfaces 8A and 8B toward the two-hole groove side surface 8A.

As shown in FIG. 18, the second rotary cylinder portion 47 has the peripheral ends 47C and 47D of the second cylinder on the outer periphery 14a of the second fixed shaft 14 toward the fourth direction G in the second leg hole groove 8. It is pressed and elastically deformed while expanding the peripheral ends 47C and 47D of the second cylinder by the pressing force, and the second rotating cylinder portion 47 is elastically deformed from the second notch hole 49 (between the peripheral ends 47C and 47D of the second cylinder). The second fixed shaft 14 is inserted inside and fitted to the second fixed shaft 14. The second rotary cylinder portion 47 is externally fitted to the second fixed shaft 14 in the fourth direction G (eighth direction) with a gap (gap) between the second hole groove bottom surface 8C of the second leg hole groove 8. To.
The second rotary cylinder portion 47 is concentrically arranged on the second fixed shaft 14 by the outer fitting of the second fixed shaft 14, is rotatable around the axis center line β of the second fixed shaft 14, and the second fixed shaft 14 It is made movable in the direction of the axis center line β of.

In the second binding hook 3, the inner circumference 47a of the second rotary cylinder portion 47 is changed to the outer circumference of the second fixed shaft 14 by the action of a force in the seventh direction J (the direction of the axis center line β of the second fixed shaft 14). While in contact with (sliding) the 14a and the second shaft protrusion 32, the second fixed shaft 14 is moved in the direction of the axis center line β (seventh direction J) to the first position RX (see FIG. 22) or the first position. It is arranged at two positions RY (see FIGS. 14 to 17).

As shown in FIG. 22, in the first position RX, the second cylinder end 47A (one of the second cylinder ends) of the second rotary cylinder portion 47 is the second hole groove side surface 8A (one of them) of the second leg hole groove 8. The second cylinder end 47B (the other second cylinder end) of the second rotary cylinder portion 47 and the second hole groove side surface 8B (the other second) of the second leg hole groove 8 in contact with the second hole groove side surface). It is a position that forms a space exceeding half of the second axis length Lβ between the side surfaces of the hole groove).
As shown in FIG. 22, the first position RX is the second hook piece width end 48D of the second hook piece 48 (the other second hook piece width end) and the second hole groove side surface 8B of the second leg hole groove 8. It is a position that forms a space exceeding half of the second axis length Lβ between the two.
As shown in FIG. 22, the first position RX is the second hook protrusion width end 46D (the other second hook protrusion width end) of the second hook protrusion piece 46 and the second hole groove side surface of the second leg hole groove 8. It is a position that forms a space that exceeds half of the second axis length Lβ between 8B.

As shown in FIGS. 14 to 16, the second position RY abuts the second cylinder end 47B of the second rotary cylinder 47 on the second hole groove side surface 8B of the second leg hole groove 8, and the second rotary cylinder It is a position that forms a space exceeding half of the second shaft length Lβ of the second fixed shaft 14 between the second cylinder end 47A of the portion 47 and the second hole groove side surface 8A of the second leg hole groove 8.
As shown in FIGS. 14 and 15, the second position RY is the second hook piece width end 48C (one second hook piece width end) of the second hook piece 48 and the second hole of the second leg hole groove 8. It is a position that forms a space that exceeds half of the first axial length Lβ between the groove side surfaces 8A.
As shown in FIG. 17, the second position RY is the second hook protrusion width end 46C (one second hook protrusion width end) of the second hook protrusion piece 46 and the second hole groove side surface of the second leg hole groove 8. It is a position that forms a space that exceeds half of the second axis length Lβ between 8A.

The second binding hook 3 contacts the inner peripheral 47a of the second rotary cylinder 47 with the outer peripheral 14a of the second fixed shaft 14 and the second shaft protrusion 32 by the action of a force in the circumferential direction of the second rotary cylinder 47. While (sliding), it is rotated around the axis center line β of the second fixed shaft 14 and placed at the storage position WX (see FIGS. 14 to 18) or the unfolding position WY (see FIGS. 23 and 25). ..

As shown in FIGS. 14 to 18, the storage position WX inserts the second shaft protrusion 32 of the second fixed shaft 14 into the second recessed groove 50 of the second rotary cylinder portion 47, and inserts the second hook piece 48. It is a position to insert into the second storage groove 10 and insert the second hook protrusion piece 46 into the second stop groove 12.
In the storage position WX, the second shaft protrusion 32 is in contact with the second recessed groove 50 to restrict the rotation of the second binding hook 3 (second rotary cylinder portion 47) as shown in FIG.
In the storage position WX, as shown in FIGS. 14 and 18, the second hook piece 48 is arranged between the second groove side surfaces 10A and 10B of the second storage groove 10, and the second plate back surface 48B and the second. It is inserted (stored) into the second storage groove 10 with a gap between the groove bottom surfaces 10C.
In the storage position WX, the second hook protrusion piece 46 is arranged between the side surfaces 12A and 12B of the second stop groove 12 of the second stop groove 12, as shown in FIGS. 17 and 18, and the second stop bottom surface 10C is provided. It is arranged between the vertical side surface 12C of the second stop groove, and the second protrusion 51 abuts on the bottom surface 12D of the second stop groove and is inserted into the second stop groove 12.

As shown in FIG. 25, the unfolding position WY abuts the second cylinder peripheral end 47D (the other fourth cylinder peripheral end) of the second rotary cylinder portion 47 on the second shaft protrusion 32 of the second fixed shaft 14. The second hook piece 48 is arranged in the second leg hole groove 8, and the second hook piece 48 and the second hook protrusion piece 46 extend (retract) from the side surface 1D of the second leg to the outside of the leg body 1. be.

The second binding hook 3 is rotated while being separated from the leg surface 1A (second storage groove 20 and second stop groove 12) as the rotation from the storage position WX to the deployment position WY.
As shown in FIG. 25, the second rotary cylinder portion 47 pulls out the second shaft protrusion 32 from the second recessed groove 50 as the rotation from the storage position WX to the deployment position WY, and the second rotary cylinder portion 47 The inner circumference 47a of the second rotating cylinder portion 47 is rotated while being in contact with the outer peripheral surface 14a (outer peripheral surface) of the second shaft protrusion 32 and the second fixed shaft 14, and the second shaft portion 47 is rotated from the inner circumference 47a to the second shaft. The protrusion 32 is extracted and the second shaft protrusion 32 is arranged between the peripheral ends 47C and 47D of the second cylinder.
As shown in FIG. 25, the second rotary cylinder portion 47 has a second shaft protrusion 32 from the second cylinder peripheral end 47C (one of the fourth cylinder peripheral ends) as the rotation from the storage position WX to the deployment position WY. Is extracted between the peripheral ends 47C and 47D of each cylinder, and the second peripheral end 47D (the other peripheral end of the second cylinder) is in contact with the second shaft protrusion 32 and is arranged at the deployment position WX.

As shown in FIG. 18, the second binding hook 3 is rotated toward the leg surface 1A (second storage groove 10 and second stop groove 12) as the rotation from the deployment position WY to the storage position WX. ..
The second rotary cylinder portion 47 inserts the second shaft protrusion 32 into the second rotary cylinder portion 47 from the peripheral end 47C of the second cylinder as the rotation from the deployment position WY to the storage position WX, and the second rotation is performed. The inner circumference 47a of the tubular portion 47 is rotated while being in contact with (sliding) the outer circumference 14a of the second shaft protrusion 32 and the second fixed shaft 14, and the second shaft protrusion 32 is inserted into the first recessed groove 50 and stored. Placed at position WX.

As shown in FIGS. 1 to 8, each clamp 4 is arranged on the leg upper surface 1E and the leg inner bottom surface 5C, and is attached to the leg body 1.

In FIGS. 27 to 29, the plurality of barricade legs X (X1, X2) are loaded and connected (bound) by the first and second binding hooks 2 and 3 when stored and transported.
In a plurality of barricade legs X, the barricade legs X1 and the barricade legs X2 are loaded, and the loaded barricade legs X1 and X2 are connected (bound) by the first and second hooks 2 and 3 (FIG. 27). See FIG. 29).
As shown in FIG. 23, the barricade leg X1 arranges the first binding hook 2 at the second position PY and the unfolding position QY, and arranges the second binding hook 3 at the second position RY and the unfolding position WY. As shown in FIG. 26, the barricade leg X2 arranges the first binding hook 2 at the first position PX and the unfolding position QY, and arranges the second binding hook 3 at the first position RX and the unfolding position WY.

As shown in FIGS. 27 to 29, the barricade legs X1 and X2 are alternately loaded in a plurality of stages. For each barricade X1 and X2, for example, one (one) barricade leg X1 and two (two) barricade legs X2 are loaded in three stages. For each barricade leg X1 and X2, the second barricade leg X1 is loaded on the first barricade leg X2, and the third barricade leg X1 is placed on the second barricade leg X1. Load X2.
As shown in FIGS. 28 and 29, the second-stage barricade leg X1 abuts the leg back surface 1B of the leg body 1 against the leg surface 1A of the leg body 1 of the first-stage barricade leg X2. It is loaded on the barricade leg X2 of the stage. The first and second barricade legs X1 and X2 match the first leg hole grooves 7 of the barricade legs X1 and X2, and the second leg hole grooves 8 of the barricade legs X1 and X2. Are placed in unison.
The third-stage barricade leg X2 abuts the leg back surface 1B of the leg body 1 on the leg surface 1A of the second-stage barricade leg X1 and is loaded on the second-stage barricade leg X1. The second and third barricade legs X1 and X2 coincide with the first leg hole groove 7 of each barricade leg X1 and X2, and the second leg hole groove 8 of each barricade leg X1 and X2. Are placed in unison.

Of the barricade legs X1 and X2 loaded in a plurality of stages (three stages), the first stage barricade leg X2 has the first bundling hook 2 at the deployment position QY in the first and second stages as shown in FIG. The first hook piece 38 and the first hook protrusion 36 are rotated toward the first leg side surface 1C of the leg for barricade X2 and X1 of the eyes, and the first hook piece 38 and the protruding piece 36 of the first hook of the first rotary cylinder portion 37 of the second leg for barricade X2. The first hook protrusion piece 36 is placed between the first cylinder end 37B and the first hole groove side surface 7B of the first leg hole groove 7 (see FIG. 21), and the first hook protrusion piece 36 is first fixed to the second-stage barricade leg X1. The first protrusion 41 is pressed (contacted) with the outer circumference 13a of the shaft 13 and hooked on the outer circumference 13a of the first fixed shaft 13 of the second-stage barricade leg X1. As shown in FIGS. 28 and 29, the first-stage barricade leg X2 has the second binding hook 3 at the deployment position WY on the side surface of the second leg of the first-stage and second-stage barricade legs X2 and X1. Rotating toward 1D, the second hook piece 48 and the second hook protrusion piece 46 are placed on the second cylinder end 47B and the second leg hole groove 8 of the second rotating cylinder portion 47 of the second barricade leg X1 of the second stage. The second hook protrusion piece 46 is pressure-welded (contacted) with the second fixed shaft 14 of the second-stage barricade leg X1 while being arranged between the second hole groove side surfaces 8B (see FIG. 22), and the second protrusion. The portion 51 is hooked on the outer circumference 14a of the second fixed shaft 14 of the second-stage barricade leg X1.
As a result, the first and second barricade legs X2 and X1 are connected (bound) by the first and second hooks 2 and 3.

Of the barricade legs X1 and X2 loaded in a plurality of stages (three stages), the second stage barricade leg X1 has the first bundling hook 2 at the deployment position QY in the second stage and 3 as shown in FIG. The first hook piece 38 and the first hook protrusion piece 36 are rotated toward the side surface 1C of the first leg of the leg X1 and X2 for the third step, and the first rotary cylinder portion 37 of the leg X2 for the third step is rotated. The first hook protrusion piece 36 is arranged between the first hole groove side surface 7A and the first hole groove side surface 7A of the first leg hole groove 7 (see FIG. 9), and the first hook protrusion piece 36 is placed on the third-stage barricade leg X2. 1 Press contact (contact) with the outer circumference 13a of the fixed shaft 13, and hook the first protrusion 41 on the outer circumference 13a of the first fixed shaft 13 of the third-stage barricade leg X2. As shown in FIGS. 28 and 29, the second-stage barricade leg X1 has the second binding hook 3 at the deployment position WY on the side surface of the second leg of the first-stage and second-stage barricade legs X2 and X1. Rotating toward 1D, the second hook piece 48 and the second hook protrusion piece 46 are placed on the second cylinder end 47A and the second leg hole groove 8 of the second rotating cylinder portion 47 of the second barricade leg X2 of the third stage. The second hook protrusion piece 46 is pressure-welded (contacted) with the second fixed shaft 14 of the third-stage barricade leg X2 while being arranged between the second hole groove side surfaces 8A (see FIG. 14), and the second protrusion. The portion 51 is hooked on the outer circumference 14a of the second fixed shaft 14 of the third-stage barricade leg X2.
As a result, the second and third barricade legs X2 and X1 are connected (bound) by the first and second hooks 2 and 3, and the barricade legs X1 and X2 are loaded on the third stage (multiple stages). Can be connected (bound).
In each of the barricade legs X1 and X2 connected (bound) by the first and second binding hooks 2 and 3, the first and second binding hooks 2 and 3 are rotated to the deployment positions QY and WY, respectively. The connection (binding) of the barricade legs X1 and X2 can be released.
In the barricade leg X, the first and second binding hooks 2 and 3 are arranged at the storage positions QX and RX, so that the first and second binding hooks 2 and 3 are placed in the first and second storage grooves 9 and 10. Can be stored (inside the leg body 1).

In FIG. 30, the barricade leg X constitutes a barricade BK (single-tube barricade).

Barricade BKs are installed at construction sites, etc. to prevent and regulate the entry of passers-by and vehicles (cars, bicycles, etc.). As shown in FIG. 30, the barricade BK is composed of a pair of barricade legs X and two single-tube SPs. As shown in FIG. 30, the barricade legs X are arranged at intervals between the barricade legs X, and the leg front surface 1A and the leg back surface 1B of the leg body 1 are arranged so as to face each other (opposite each other). To. Each barricade leg X is erected with the bottom surface 1F of the leg grounded.
Each single tube SP is bridged between each barricade leg X, and each tube end portion of each single tube SP is gripped by each clamp 4 of each barricade leg X, X.

The present invention is optimal for constructing barricades.

X Barricade legs (barricade support legs / barricade legs)
1 Leg body 1A Leg surface (leg plate surface)
1B back of the leg (back of the leg plate)
1C 1st leg side surface (1st leg plate side surface)
1D 2nd leg side surface (2nd leg plate side surface)
2 1st binding hook 3 3rd binding hook 7 1st leg hole groove 8 2nd leg hole groove 13 1st fixed shaft Lα 1st shaft length 14 2nd fixed shaft Lβ 2nd shaft length

Claims (1)

A leg body formed in the shape of a leg-thick plate, having a leg front surface and a leg back surface in the leg thickness direction, and having first and second leg side surfaces arranged opposite to each other in the leg width direction.
With first and second binding hooks,
The leg body
It has a first hole groove width in a direction intersecting the leg width direction and extends from the side surface of the first leg toward the side surface of the second leg, and opens in the side surface of the first leg with the width of the first hole groove. A first leg hole groove that penetrates the leg body and is opened on the front surface of the leg and the back surface of the leg.
It is arranged in the first leg hole groove at intervals, has a second hole groove width in a direction intersecting the leg width direction, and extends from the side surface of the second leg toward the side surface of the first leg. A second leg hole groove that is opened in the side surface of the second leg with the width of the second hole groove, penetrates the leg body, and is opened in the front surface of the leg and the back surface of the leg.
It is arranged in the first leg hole groove and extends with a first axis length in a direction intersecting the leg width direction, and each first shaft end is in the hole groove width direction of the first leg hole groove. The first fixed shaft, which abuts on the side surface of each of the first hole grooves and is fixed to the leg body,
It is arranged in the second leg hole groove and extends with a second axis length in a direction intersecting the leg width direction, and each second shaft end is in the hole groove width direction of the second leg hole groove. It has a second fixed shaft that abuts on the side surface of each of the second hole grooves and is fixed to the leg body.
The first binding hook is
It is formed in a cylindrical shape, has a first hook width less than half the length of the first shaft between the ends of each first cylinder, is concentrically arranged on the first fixed shaft, and rotates on the first fixed shaft. A first rotary cylinder portion that is freely fitted to the first fixed shaft while moving in the direction of the axis center line of the first fixed shaft.
It has the first hook width, is arranged between the ends of the first cylinders, is fixed to the first rotary cylinder, and extends from the first rotary cylinder in the tangential direction of the first rotary cylinder. The first hook piece to be made and
The first rotary cylinder portion is fixed to the first hook piece at a distance of a first protrusion obtained by adding the radius of the first fixed shaft to the leg thickness in the tangential direction of the first rotary cylinder portion. A first hook piece extending from the first hook piece in a direction orthogonal to the tangential direction with a first protrusion length exceeding the radius of the first fixed axis and facing the outer periphery of the first rotary cylinder portion. With hook protrusions,
The second binding hook is
It is formed in a cylindrical shape, has a second hook width less than half the length of the second shaft between the ends of each second cylinder, is concentrically arranged on the second fixed shaft, and rotates on the second fixed shaft. A second rotary cylinder portion that is freely fitted to the second fixed shaft in a state of being free and moving in the direction of the axis center line of the second fixed shaft, and
It has the second hook width, is arranged between the ends of each of the second cylinders, is fixed to the second rotary cylinder, and extends from the second rotary cylinder in the tangential direction of the second rotary cylinder. The second hook piece to be made and
The second rotary cylinder portion is fixed to the first hook piece at a distance of a second protrusion obtained by adding the radius of the second fixed shaft to the leg thickness in the tangential direction of the second rotary cylinder portion. A second hook piece extending from the second hook piece in a direction orthogonal to the tangential direction and having a second protrusion length exceeding the radius of the second fixed axis and facing the outer periphery of the second rotary cylinder portion. Barricade legs characterized by having hook protrusions and pieces.

Images