Railing Assembly Aid for Slim Handrail Alignment
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Solution Overview
Problem
Modern handrail designs with a minimalistic and slim appearance face challenges in aligning internal cavities with conventional fastening elements, requiring precise spot welding, which is difficult to achieve without accurate alignment of the post and handrail.
Innovation Solution
A railing assembly aid that suspends the handrail perpendicularly above its support post, using a base body with a supporting member and retaining members to align and clamp the handrail securely, allowing for easy spot welding and reuse across various post and handrail sizes and shapes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional fastening elements are used to attach handrail to post, then the handrail can be securely fastened, but the internal cavities of slim handrails cannot be properly aligned with the fastening elements
Solution Approach 1:
The patent introduces a positioning device as an intermediary tool between the handrail and post. This device includes a positioning member that fits into the internal cavity of the handrail and a positioning element that engages with the post, thereby mediating the alignment process and enabling precise positioning without requiring direct alignment between the handrail cavity and fastening elements
Solution Approach 2:
The positioning device is used before the actual fastening operation to pre-align the handrail with the post. The positioning member is inserted into the handrail cavity and the positioning element engages the post in advance, establishing the correct position before the fastening elements are applied, thus eliminating the need for precise alignment during the fastening process itself
2Shape
If precise spot welding is performed to fasten slim handrail to post, then aesthetic appearance is improved, but assembly time and complexity increase
Solution Approach 1:
The positioning device performs the alignment function before welding begins, so that when spot welding is performed, the handrail and post are already precisely positioned. This preliminary positioning action eliminates the need for repeated adjustments during welding, reducing overall assembly time while maintaining the aesthetic quality of the weld joints
Solution Approach 2:
The positioning device acts as a temporary intermediary structure that holds the handrail in the correct position relative to the post during the welding process. This mediator ensures consistent positioning for multiple weld points without requiring continuous manual adjustment, thereby reducing assembly time while preserving aesthetic appearance
3Adaptability or versatility
If multiple assembly aids are used for different post and handrail sizes, then adaptability is improved, but device complexity increases
Solution Approach 1:
The positioning device is designed with universal features that allow it to accommodate different sizes and shapes of handrails and posts. The positioning member can be adjusted to fit various handrail internal cavity dimensions, and the positioning element can engage with posts of different diameters, making a single device suitable for multiple application scenarios without requiring multiple specialized tools
Data Source
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AI summary
The invention relates to an aid (10) for assembling a railing (14, 15) from a handrail (15) and at least one post, said aid comprising a base body (11) for aligning the handrail (15) perpendicularly above an end face of the post, a supporting member (12) detachably attached to the base body (11) for supporting the base body (11) above the post, two complementarily formed retaining members (13) detachably attached to the base body (11) for clamping the handrail (15) against a cylindrical support pin (14) protruding from the end face, wherein a hollow-cylindrical notch traverses the supporting member (12) for sliding the aid (10) axially onto the support pin (14), the notch resiliently opening up into a front face of the supporting member (12) for extracting the aid (10) radially from the support pin (14).