Telescoping Single-Leg Seat for Compact Carry and Cane Use
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Solution Overview
Problem
Current portable seating devices are either too bulky or inconvenient to carry when folded, lacking a compact and lightweight solution that meets the needs of individuals with physical limitations in situations requiring temporary seating, such as waiting in lines or attending events.
Innovation Solution
A single leg seating device with a telescoping leg that fits within the seat, forming a compact carrying case, utilizing a tubular design with a shock cord for easy expansion and locking, and a button and channel mechanism for adjustable height, allowing the seat to function as both a seat and a walking cane.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If the device is designed to be lightweight and compact for easy transport, then portability is improved, but the structural stability and load-bearing capacity deteriorate
Solution Approach 1:
The telescoping leg portions are nested within each other, with the second leg portion inserted into the first leg portion. This nesting arrangement minimizes the device's overall size and weight while maintaining structural integrity when deployed, as each tubular section provides structural support without requiring additional materials
Solution Approach 2:
The device transitions from a static compact form to a dynamic extended form through the telescoping mechanism. The leg portions can be extended or retracted as needed, allowing the device to adapt its structure to provide adequate load-bearing capacity only when required, rather than maintaining constant structural rigidity that would increase weight
2Volume of moving object
If the device is designed to be compact when folded, then transportability is improved, but the width and carrying convenience deteriorate
Solution Approach 1:
The second leg portion is inserted within the first leg portion, creating a compact nested configuration that minimizes both volume and width. This allows the device to fit into small carrying spaces while maintaining the ability to extend to full functional size when needed
Solution Approach 2:
The device serves multiple functions: it can be carried as a compact unit, extended to provide seating support, and the leg portions can be independently adjusted. This multi-functionality allows a single design to satisfy both compact carrying requirements and adequate seating functionality
3Device complexity
If a single leg design is used to reduce complexity, then device simplicity is improved, but the stability and support capability deteriorate
Solution Approach 1:
The single leg incorporates a telescoping mechanism that allows dynamic adjustment of length and support distribution. The ability to extend and lock at different positions provides adaptive stability, compensating for the single-leg configuration through controlled mechanical support rather than relying on multiple static legs
Data Source
AI summary
The present invention is a single leg sitting device which has a collapsible leg which fits inside the seat for compact transportation or to turning the seat into a walking stick.