Packable Ladder Telescoping Segments Trampoline Safety
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Solution Overview
Problem
Conventional ladders are difficult to compactly package due to their size, posing a challenge for safe and injury-free climbing of trampolines, which often require longer ladders.
Innovation Solution
A packable ladder design featuring two main frame tubes with curved ends and attachable extensions, along with steps that can be easily assembled and detached, allowing the ladder to be folded and secured to various surfaces, enabling compact packaging and universal use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If a long ladder is used to reach trampolines positioned several feet above ground, then the ladder provides sufficient reach and safety, but the ladder occupies a lot of space and is difficult to package compactly
Solution Approach 1:
The ladder is divided into multiple telescoping segments that can extend to provide full length when needed, or retract into a compact configuration for storage. The side rails consist of nested tubes that slide relative to each other, allowing the ladder to be packaged in a small volume while maintaining sufficient extended length for reaching trampolines
Solution Approach 2:
The ladder transitions from a static fixed-length structure to a dynamic telescoping structure that can change its effective length. The side rails incorporate movable joints and sliding mechanisms that allow the ladder to extend to the required length for safety and then collapse to a compact form for convenient packaging and storage
2Reliability
If a long ladder is used to ensure safe climbing of trampolines, then the ladder provides adequate reach, but the ladder becomes more difficult to transport and store
Solution Approach 1:
The ladder's side rails are segmented into telescoping sections that can be extended to provide the necessary length for safe trampoline access, then collapsed for easy transport. The steps are also modular, allowing the ladder to be disassembled into smaller components for convenient storage while maintaining structural integrity when assembled for safe use
3Device complexity
If conventional fixed-length ladders are used, then the ladder structure is simple and robust, but the ladder cannot be packaged compactly or adapted to different trampoline heights
Solution Approach 1:
The ladder incorporates telescoping side rails with sliding mechanisms that allow the effective length to be adjusted to match different trampoline heights. The structure maintains robustness through interlocking joints and secure step attachments while gaining the adaptability to conform to various installation scenarios
Solution Approach 2:
The ladder is designed as a universal solution that can be adapted to different trampoline heights and configurations. The telescoping mechanism and modular step arrangement allow the same ladder structure to serve multiple functions and accommodate various installation requirements, from ground-level to elevated trampolines
Data Source
AI summary
Embodiments of a packable ladder and a method of assembling it are disclosed. The packable ladder includes two mainframe tubes and at least two steps. Each mainframe tube has a curved end and an attachable end opposite to the curved end. Each step is shaped as a disk having a first end portion and a second end portion disposed at opposite ends thereof. Each of the first end portion and the second end portion is configured to be attached to a respective one of the two mainframe tubes. The method has two steps. In the first step, each of two side rails is formed by attaching each of two mainframe tubes to one or more extension frame tubes. In the second step, at least two steps are attached to the two side rails at a first end portion and a second end portion of each step.