Elastic Main-Body Slackline Device for Compact Dynamic Motion
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Solution Overview
Problem
Existing slackline devices require a large amount of space due to the need for long webbings stretched between fixed points, limiting their portability and versatility, and conventional designs fail to replicate dynamic movement behavior when compacted.
Innovation Solution
A slackline device with a main body that is more elastic than the webbing, allowing the main body to deform and vary the distance between its end portions, mimicking the dynamic properties of a slackline through shape variation rather than webbing elongation, enabling a compact and portable design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the webbing is tensioned across a long distance (10m or more) to enable dynamic properties, then the dynamic movement behavior is achieved, but the device requires a large amount of space and is difficult to transport
Solution Approach 1:
The patent changes the elasticity parameter distribution by making the main body more elastic than the webbing. This allows the system to achieve dynamic movement behavior with a compact configuration, as the elastic deformation occurs primarily in the main body rather than requiring a long webbing span
Solution Approach 2:
Instead of achieving dynamics through webbing elongation over a long distance, the patent inverts the approach by making the main body the primary elastic element. The end portions and main body deform elastically to create the dynamic effect, while the webbing remains relatively inelastic and compact
2Volume of moving object
If the webbing is made more elastic to ensure dynamics in a compact design, then the movement behavior becomes dynamic, but the extreme dynamic movement behavior characteristic of slacklines is significantly changed
Solution Approach 1:
The patent carefully controls the elasticity parameter distribution, making the main body more elastic than the webbing but maintaining specific elasticity modulus relationships. This ensures the dynamic behavior is preserved while enabling compact design
Solution Approach 2:
The patent applies different elasticity characteristics to different parts of the system: the main body and end portions are made more elastic, while the webbing remains relatively inelastic. This local differentiation of material properties allows compact design while preserving the characteristic slackline dynamics
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The device maintains dynamic movement behavior typical of slacklines while being compact and easy to transport and assemble, offering diverse uses and applications in limited spaces.
Implementation Method 1
the main body is configured to be more elastic than the webbing
Data Source
AI summary
A slackline device comprising a main body having at least one bearing portion and two mutually opposite end portions which are disposed so as to be elevated in relation to the at least one bearing portion, and comprising a webbing which in an assembled state of the slackline device is tensioned between the two end portions of the main body. The slackline device is preferably portable. Strictly speaking, the slackline device disclosed herein is not a slackline in the actual sense, but is a device that is designed to realistically imitate the behavior of a slackline for the user.