U-Shaped Socket Guardrail Bracket for Tool-Free Rail Removal
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Solution Overview
Problem
Current temporary safety guardrails in construction sites are hazardous due to improper attachment methods, which can lead to injuries or fatalities during removal and reinstallation, especially when tools are not available, and can cause damage to the supporting structures.
Innovation Solution
A guardrail assembly with U-shaped sockets that allow horizontal rails to be easily removed by lifting, eliminating the need for tools and ensuring secure attachment to vertical surfaces, complying with safety standards and allowing multiple configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional attachment methods are used for guardrails, then secure attachment is achieved, but tool-free removal and reinstallation become difficult
Solution Approach 1:
The bracket is divided into distinct functional components: a mounting surface for attachment to the structure, a socket portion with vertical walls defining a gap for receiving the rail, and a flange portion extending between coplanar surfaces. This segmentation allows each component to perform its specific function independently while maintaining overall structural integrity and enabling tool-free rail installation and removal.
Solution Approach 2:
The socket portion acts as an intermediary mechanism between the mounting surface and the horizontal rail. The vertical walls defining a gap create a controlled interface that securely receives the rail while allowing it to be inserted and removed without tools, thus mediating between the need for secure attachment and ease of operation.
2Ease of operation
If traditional fastening methods are used, then structural integrity is maintained, but damage to supporting structures during removal occurs
Solution Approach 1:
The bracket is pre-configured with a socket portion that has vertical walls defining a gap specifically designed to receive the horizontal rail. This preliminary configuration allows the rail to be inserted and secured without requiring forceful attachment methods that could damage the supporting structure, enabling damage-free removal while maintaining structural integrity.
3Ease of manufacture
If simple bracket design is used, then ease of manufacture is improved, but compliance with safety standards becomes difficult
Solution Approach 1:
The bracket employs local quality by creating specific geometric features at critical locations: the socket portion has vertical walls with a defined gap width, the flange portion extends between coplanar surfaces, and the mounting surface is positioned to provide proper support. These localized geometric characteristics ensure compliance with safety standards while keeping the overall design simple and easy to manufacture.
Solution Approach 2:
The invention specifies critical parameters such as the gap width between vertical walls, the extension distance of the flange portion, and the coplanar relationship of surfaces. By controlling these parameters, the bracket achieves safety standard compliance through precise dimensional relationships rather than complex structural features, maintaining ease of manufacture.
Data Source
AI summary
A guardrail assembly comprising a first bracket coupled to a first vertical surface and a second bracket coupled to a second vertical surface spaced from the first vertical surface. The first bracket includes a first socket and a second socket. The first socket supports a first horizontal rail and comprises a first support surface and two walls extending from the first support surface to define a gap therebetween to receive the first rail. The first socket defines an opening at an end of the two walls to allow the first horizontal rail to be removed from the first socket by lifting the rail. The second socket is similar to the first socket and supports a second rail. The second bracket is similar to the first bracket, with a third socket supporting a second portion of the first rail, and a fourth socket supporting a second portion of the second rail.