Playground Slide Attachment via Alignment Ridges and Cross Braces
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Solution Overview
Problem
Existing playground slides lack a robust and secure attachment mechanism for the slide sheet, which can lead to instability and safety concerns during use.
Innovation Solution
A playground slide design featuring a pair of parallel side rails with a slide sheet attached via support rails and cross braces, utilizing alignment ridges and corner notches for secure mounting, and optionally including intermediate cross braces and handrails for enhanced stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a traditional side rail groove design is used to retain the slide sheet, then the structure is simple, but the attachment security and stability are insufficient
Solution Approach 1:
The attachment system is divided into multiple components: side rails with grooves, support rails, cross braces, alignment ridges, and corner notches. Each component performs a specific function in the attachment sequence, distributing the securing task across multiple elements rather than relying on a single attachment mechanism.
Solution Approach 2:
Alignment ridges and corner notches are pre-formed on the side rails before assembly. These features guide the slide sheet into proper position and orientation during installation, ensuring correct alignment is achieved before final securing, which prevents misalignment issues that could compromise attachment security.
2Reliability
If the slide sheet is securely attached to maintain stability, then safety is improved, but assembly complexity increases
Solution Approach 1:
Alignment ridges and corner notches are pre-formed on the side rails before assembly. These features guide the slide sheet into proper position and orientation during installation, ensuring correct alignment is achieved before final securing, which prevents misalignment issues that could compromise attachment security.
Solution Approach 2:
The alignment ridges and corner notches automatically guide and position the slide sheet during assembly without requiring additional alignment tools or complex adjustment procedures. The structure itself provides the alignment function, simplifying the assembly process while ensuring proper positioning for secure attachment.
3Strength
If alignment ridges extend below the slide sheet thickness for secure mounting, then attachment strength is improved, but drainage capability is reduced
Solution Approach 1:
The alignment ridges provide extended engagement below the slide sheet thickness at the attachment locations where strength is needed, while the rest of the slide structure maintains open hollow cavities for drainage. This localized enhancement of ridge extension at critical attachment points provides the necessary attachment strength without compromising overall drainage capability.
Solution Approach 2:
The side rails incorporate hollow cavities that provide drainage pathways throughout the structure. These porous-like open spaces allow water to flow through the slide assembly, preventing water accumulation while the solid alignment ridges provide structural engagement where needed.
Data Source
AI summary
A playground slide has a pair of side rails, including a left side rail and a right side rail, and the pair of side rails is parallel to each other. A slide sheet has a slide sheet top surface, and the slide sheet top surface has a slide sheet left edge. The slide sheet top surface has a slide sheet right edge, and the slight sheet left edge is mounted to a bottom surface of the left side rail. The slide sheet right edge is mounted to a bottom surface of the right side rail. A pair of support rails, namely a left support rail and a right support rail, supports the slight sheet. The pair of support rails is parallel to each other, and the pair of support rails is mounted to a bottom surface of the slide sheet between the pair of side rails.