Safety belt fitting and structure fitted with safety belt fitting

The safety belt attachment device with a rotatable shackle and magnet storage mechanism addresses visibility and usability issues, enabling indoor installation and improved durability.

JP2026020766APending Publication Date: 2026-02-10SAKAI KIZAI SEISAKUSHIYO
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Patent Information

Application Number
JP2024122302
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-07-29
Publication Date
2026-02-10

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  • Figure 2026020766000001_ABST
    Figure 2026020766000001_ABST
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Abstract

To provide an easy-to-use safety belt fixture.SOLUTION: This safety belt fixture 1 is provided with a pedestal 12 and a shackle 11, the pedestal 12 has a fixing part fixed to a structure, the shackle 11 is for mounting the safety belt, and a base end part is rotatably fixed to the pedestal 12. In the shackle 11, at least the tip is composed of a steel material, the tip part abuts on an abutting part arranged in the pedestal 12 when rotating a base part, and a magnet is installed in the abutting part, and can hold the tip of the shackle 11.SELECTED DRAWING: Figure 2
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Description

[Technical Field]

[0001] The present invention relates to a safety belt attachment device used in high-altitude work such as working on a building. [Background technology]

[0002] Conventionally, a safety belt attachment device with a pole, such as that disclosed in Patent Document 1, has been known as a safety belt attachment device for temporary or permanent use. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2004-8776 Summary of the Invention [Problem to be solved by the invention]

[0004] However, the pillars are conspicuous, and if they are used permanently, they pose design problems, such as being visible from neighboring buildings. There are also usability issues, such as the fact that they cannot be installed indoors. An object of the present invention is to provide a safety belt attachment that is easy to use. [Means for solving the problem]

[0005] The present invention solves the problem by adopting the following means. A safety belt attachment device comprising a base and a shackle, the base having a fixing part to be fixed to a structure, the shackle for attaching the safety belt, and a base end part of the shackle being rotatably fixed to the base. [Effects of the Invention]

[0006] The safety belt attachment device of the present invention is easier to use. [Brief explanation of the drawings]

[0007] [Figure 1]Figure 1 is an explanatory diagram of how to use a safety belt attachment device 1 according to an embodiment. Figure 1(A) illustrates two people using two safety belt attachment devices 1, and Figure 1(B) illustrates one person using the safety belt attachment device 1. [Figure 2] 2A and 2B are explanatory diagrams of the structure of the safety belt fastening device 1 of the embodiment when the shackle 11 is not in use. Fig. 2A is a perspective view, Fig. 2B is a front view, and Fig. 2C is a plan view. [Figure 3] 3A and 3B are explanatory diagrams of the structure of the safety belt fastening device 1 of the embodiment when the shackle 11 is in use. Fig. 3A is a perspective view, Fig. 3B is a front view, and Fig. 3C is a plan view. DETAILED DESCRIPTION OF THE INVENTION

[0008] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the following description, the same reference numerals in different drawings denote parts with the same functions, and duplicated descriptions in each drawing will be omitted as appropriate.

[0009] Figure 1 is an explanatory diagram of how to use a safety belt attachment device 1 according to an embodiment. Figure 1(A) illustrates two people using two safety belt attachment devices 1, and Figure 1(B) illustrates one person using the safety belt attachment device 1.

[0010] (Safety belt attachment position 1) One safety belt fastening device 1 is used for one person. The safety belt fastening device 1 can be attached to the wall 211 of the room 21. Considering corrosion due to wind and rain, it is preferable to attach the safety belt fastening device 1 to a location that is not exposed to wind and rain, such as inside the room 21. The safety belt attachment device 1 can also be attached to the floor, but since there is a risk of a person tripping over it, a wall 21 with sufficient strength is selected as the attachment location. The illustrated room 21 faces the rooftop 22, and the door is fully open. The drawing shows a situation where a user is on his way over a parapet 23 to the exterior wall for cleaning or repairs. Although the embodiment is based on the assumption that the safety belt attachment device 1 of the present invention is installed on a rooftop 22, the safety belt attachment device 1 of the present invention can be attached anywhere in the workplace where work at heights is required, such as on steel towers or bridges.

[0011] (Overall configuration of safety belt attachment device 1) Figure 2 is an explanatory diagram of the structure of the safety belt fastening device 1 of the embodiment when the shackle 11 is not in use. Figure 2(A) is a perspective view, and Figure 2(B) is a front view. Figures 2(A) and 2(B) show the state when the shackle 11 is not in use, with the tip 112 of the shackle 11 tilted down until it abuts on the upper surface of the base 12. The safety belt fastening device 1 has a stopper 17 provided on the base end side of the shackle 11. The shackle 11 can rotate around a rotation axis 13 that passes through a bearing 18. All components including the shackle 11 are attached to a base 12. The function of the stopper 17 will be described later. The base 12 supports the entire safety belt attachment device 1, and anchor bolts 15 are driven through four fixing holes 14 into the wall 211 to which the attachment is to be made, thereby firmly fixing the device to the wall.

[0012] (Bearing 18 and pivot shaft 13) A rotating shaft 13 is attached to the base end of the shackle 11, and the rotating shaft 13 is passed through a bearing 18, allowing it to rotate freely. Resin spacers 131 are fitted on both sides of the bearing 18. The resin spacers 131 are fitted with a small amount of play, preventing the shackle 11 from moving along the rotating shaft 13.

[0013] 2(C) is a plan view. The rotating shaft 13 is attached at a predetermined height, spaced apart from the upper surface of the base 12, so as not to interfere with the rotation of the base end of the shackle 11. A bearing 18 supports the rotating shaft 13. (Magnet 16) At least the tip 112 of the shackle 11 is made of steel. The shackle 11 of the embodiment is entirely made of steel that is attracted to a magnet. As shown in FIG. 2(C), a magnet 16 is embedded in the position where the tip 112 of the shackle 11 abuts the base 12 when the shackle 11 is stored in the base 12. When not in use, the shackle 11 is stored so that the tip 12 abuts the base 12, and is attracted to the magnet 16 so that it does not move. Note that the tip 112 of the shackle 11 is made of steel in order to be attracted to the magnet 16, and the entire shackle does not have to be made of steel. For example, the shackle 11 may be made of a non-magnetic material such as aluminum, with a strip of steel wrapped around only the tip. It is dangerous for the shackle 11 to rotate freely when not in use. There is also the risk of pedestrians or others being hit by the open shackle 11. Therefore, in this embodiment, the tip 112 of the shackle 11 is attracted and fixed to the magnet 16 of the base 12, so that the shackle 11 can be stored in the base 12.

[0014] (When using Shackle 11) Figure 3 is an explanatory diagram of the structure of the safety belt fastening device 1 of the embodiment when the shackle 11 is in use. Figure 3(A) is a perspective view, and Figure 3(B) is a front view. The two-dot chain line in Figure 3(B) represents a wall 211, and shows how the base 12 is fixed to the wall 211 with four anchor bolts 15. 2(A) is normally in a folded state and fixed by a magnet 112. The user places his / her hand on the shackle 11 and rotates it around the rotation shaft 13 to open the shackle 11. Next, the user attaches the carabiner attached to one end of the safety belt to the shackle 11 and begins work.

[0015] (Stopper) 3(C) is a plan view showing the shackle 11 attached to the wall 211 in an open state. A rod-shaped stopper 17 with a flat top surface is attached to the base 12 adjacent to the outer periphery of the rotating shaft 13. The stopper 17 holds the shackle 11 so that it does not rotate any further. The stopper 17 prevents the shackle 11 from rotating more than necessary and hitting the wall 211 or the like, causing damage.

[0016] (structure) The safety belt fastening device of the embodiment can be used not only for structures such as buildings, but also for high-altitude work or dangerous structures such as steel towers, ships, bridges, tunnels, etc. The type of structure is not important.

[0017] (Features of the embodiment) The safety belt attachment device 1 of the embodiment can be attached indoors as well as outdoors. The base 12 can be attached to any suitable location, and can be installed anywhere, not just on the wall 211, as long as the base can fit into the material. In addition, a magnet 16 is attached to the shackle 11 so that the shackle 11 does not move freely, and the shackle 11 can be attracted to the magnet 16 and stored in the base 12. In particular, when the safety belt attachment device 1 of the embodiment is installed indoors, it is not exposed to wind and rain, so rust and the like are less likely to occur compared to when it is installed outdoors, and maintenance intervals can be extended. Furthermore, when installing outdoors, the base 12 can be attached to a steel base material and embedded in the exterior wall so that only the surface of the base 12 is exposed. This type of installation makes the bulky safety belt attachment device 1 less noticeable.

[0018] The specific configuration is not limited to the above-described embodiment, and the present invention also includes design changes and the like within the scope of the present invention.

[0019] Furthermore, the various aspects described above can be combined by utilizing each other's techniques, as long as there are no particular contradictions or problems in their purposes, configurations, etc. [Explanation of symbols]

[0020] 1 Safety belt attachment 11 Shackle 112 Tip 12 Pedestal 13 Rotating shaft 131 Resin spacer 14 Fixing hole 15 anchor bolts 16 Magnet 17 Stopper 18 Bearings 21 rooms 211 Wall 22 Rooftop 23 Parapet

Claims

1. Equipped with a base and shackle, the base has a fixing portion that is fixed to a structure; The shackle is used to attach a safety belt, and the base end is rotatably fixed to a base.

2. At least the tip of the shackle is made of steel, and when the base is rotated, the tip abuts against the abutment provided on the base, 2. The safety belt fastening device according to claim 1, wherein the contact portion has a magnet attached thereto and is capable of holding the tip of the shackle.

3. A structure to which the safety belt attachment device according to claim 1 or 2 is attached.

Citation Information

Patent Citations

  • Exclusive suspension tool for fall prevention equipment

    JP2004008776A