Joint fittings

The elastic joint fitting with a C-shaped base and insertion parts addresses the complexity and safety issues of existing fittings by enabling easy, secure, and cost-effective installation of handrails and fences in confined spaces.

JP2026090944APending Publication Date: 2026-06-03CK METALS CO LTD

Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
CK METALS CO LTD
Filing Date
2024-11-22
Publication Date
2026-06-03

AI Technical Summary

Technical Problem

Existing joint fittings for temporary handrails and fences in underground work are cumbersome to install, costly, and pose safety hazards due to protruding parts, necessitating additional covers which complicate usability and maintenance.

Method used

A joint fitting made of an elastic material with a C-shaped base and insertion parts, featuring locking and buckling suppression mechanisms, allowing easy connection and secure attachment without bolts or nuts, and minimizing protrusions.

Benefits of technology

The joint fitting facilitates quick and cost-effective installation with enhanced usability and safety by reducing the number of parts and eliminating protruding elements, thus simplifying maintenance and improving worker safety.

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Abstract

The objective is to provide a joint fitting with a simple structure that offers excellent ease of installation and usability. [Solution] A joint fitting made of an elastic material, characterized by having a C-shaped base for holding a first member, and a pair of insertion parts that are inserted into the cylindrical portion of a second member that protrudes from both ends of the base.
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