Attachment device and tether

By introducing a stitching area and a ligature area at the rope strand connection, the trade-off between space occupation and breaking strength of the rope attachment device is solved, improving mechanical performance and peel resistance.

CN224523904UActive Publication Date: 2026-07-21ZEDEL CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZEDEL CORP
Filing Date
2025-06-17
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

Existing rope attachment devices have a poor trade-off between space occupation and breaking strength, and their mechanical properties are greatly affected by peeling stress, especially at the strand connection points where they are easily damaged.

Method used

An attachment device is used, wherein the first and second strands are connected through a suture area and a ligation area. The suture area is fixed by multiple suture points, and the ligation area is formed by multiple ligations. The ligations are adjacent to the suture area in the longitudinal direction and go around the outside of the strands to increase the peel resistance.

Benefits of technology

It improves the mechanical properties and space utilization of the rope strand connection, reduces the weakening of the rope strand, and enhances the ability to resist peeling stress.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224523904U_ABST
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Abstract

An attachment device comprising a first strand and a second strand fixed to each other by a suture area (5) and a ligature area (11), the suture area (5) and the ligature area (11) being arranged adjacent in a longitudinal direction of the strands. A first suture point (6a) is passed through the first strand and the second strand consecutively to firmly fix the two strands pressed against each other to form the suture area (5). A second suture point (6b) is passed around at least one of the first strand and the second strand and can be passed through the other of the first strand and the second strand to firmly press the first strand against the second strand and form the ligature area (11). A lanyard comprising the attachment device.
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