Adjustable Base Stretching Apparatus with Ratcheting Strap
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Solution Overview
Problem
Existing stretching devices are not specifically designed for bending at the waist to touch the toes, are complex to use, bulky, difficult to set up and transport, and often require electricity or attachment to structures, lacking simplicity, portability, and self-containment.
Innovation Solution
A self-contained stretching apparatus comprising a base element, housing, strap element, and ratcheting mechanism, with adjustable diameter and foldable design for easy storage and use, allowing incremental deepening of stretches without electricity or external attachments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If existing stretching devices are used, then stretching function is provided, but device complexity increases and ease of operation decreases
Solution Approach 1:
The stretching device is divided into distinct functional modules: a base element for stability, a housing containing the ratcheting mechanism, a strap element for applying force, and a rotating element for adjustment. This segmentation allows each component to perform its specific function independently, simplifying the overall operation while maintaining effectiveness.
Solution Approach 2:
The ratcheting mechanism automatically maintains tension on the strap element without requiring continuous user intervention. Once the user adjusts the strap to the desired length using the rotating element, the ratcheting mechanism self-locks to hold the position, eliminating the need for constant manual adjustment during use.
2Ease of operation
If existing stretching devices are used, then stretching function is provided, but portability decreases due to bulky design
Solution Approach 1:
The housing is designed to nest within or alongside the base element when not in use, and the strap element can be coiled and stored within the housing. This nested arrangement significantly reduces the overall volume occupied by the device during storage and transport while maintaining full functionality during operation.
Solution Approach 2:
The base element features an adjustable diameter that can be modified between a larger operating configuration for stability during stretching and a smaller stored configuration for portability. This dynamic adjustment allows the device to adapt its volume based on whether it is being used or transported.
3Productivity
If existing stretching devices are used, then stretching function is provided, but setup time increases
Solution Approach 1:
The device is pre-assembled with the strap element attached to both the base element and the rotating element within the housing. The ratcheting mechanism is pre-configured to engage automatically. This preliminary assembly means the user only needs to unfold the base element and attach the strap to their body, eliminating the need for complex on-site assembly.
Solution Approach 2:
The device consists of a few large, easily handled segments (base element, housing, strap element) that can be quickly connected and disconnected without requiring tools or complex alignment procedures. This segmented design enables rapid setup and teardown.
4Reliability
If existing stretching devices are used, then stretching function is provided, but storage safety decreases
Solution Approach 1:
The housing containing the ratcheting mechanism and strap element can be nested within or alongside the base element during storage. This nested configuration protects the mechanical components from damage and prevents accidental engagement of the ratcheting mechanism while minimizing the space required for safe storage.
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 apparatus provides a safe, simple, space-saving, and easily movable solution for stretching, allowing users to target specific stretches like bending at the waist to touch the toes, with a compact design that protects handles and facilitates easy setup and storage, enhancing user convenience and flexibility.
Implementation Method 1
The ratcheting element is for decreasing an exposed length of the strap between the base element and the housing by rotating one of the handles in a first direction
Implementation Method 2
the second end is mounted on a rotating element within the housing, such that the strap element can move in and out of the egress
Implementation Method 3
The base element has a diameter that is adjustable between an operating configuration and a stored configuration
Data Source
AI summary
An apparatus for stretching includes a base element, a housing, a strap element, and a ratcheting element. The housing has a strap egress, a first handle, and a second handle. The strap element has a first end and a second end, where the first end is coupled with the base element and the second end is mounted on a rotating element within the housing, such that the strap element can move in and out of the egress. The ratcheting element is for decreasing an exposed length of the strap between the base element and the housing by rotating one of the handles in a first direction. The base element has a diameter that is adjustable between an operating configuration and a stored configuration. The base element forms a planar surface when in the operating configuration and holds the housing above the planar surface when the base element is in the stored configuration.