Foam Roller Stretching Device with Rotatable Support
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Solution Overview
Problem
Conventional foam rollers require significant space for exercises and can be hazardous when used in narrow areas due to their movement during use, making it difficult for users to estimate their body's movement distance accurately.
Innovation Solution
A stretching device featuring a cylindrical foam roller supported by a rotatable mechanism that allows the roller to remain stationary while the user moves forward and backward, utilizing a support system with bearings and anti-slip members to prevent movement and maintain stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the foam roller is placed on the floor and the user moves the body forward and backward to roll the foam roller, then the stretching exercise can be performed, but the foam roller moves along the ground in the same direction as the user's body movement, requiring sufficient movement space in the front-rear direction
Solution Approach 1:
Instead of allowing the foam roller to move along the ground during exercise, the patent inverts the approach by having the foam roller rotate in place on a support roller. The support roller rotates within a support groove, constraining the foam roller's position while enabling stretching exercises in a confined space without requiring significant front-rear movement room.
2Ease of operation
If the foam roller moves along the ground during exercise, then the user can perform stretching movements, but it becomes difficult to estimate the moving distance of the user's body relative to the foam roller, leading to potential injuries due to careless impact
Solution Approach 1:
The patent introduces a support roller as an intermediary between the foam roller and the ground. This support roller rotates within a support groove, acting as a mediator that enables the foam roller to rotate in place while maintaining a fixed position relative to the ground. This intermediary mechanism allows users to accurately estimate their body movement distance without the foam roller moving along the ground.
3Area of stationary object
If the foam roller is made to rotate in place on a support roller, then exercises can be performed in a narrow space, but the device structure becomes more complex with additional components
Solution Approach 1:
The patent employs a support groove structure that guides and constrains the support roller, allowing the foam roller to rotate in place without requiring complex mechanical constraints. The groove acts as a simple yet effective guiding structure, reducing device complexity while achieving the goal of enabling exercises in narrow spaces.
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
Enables efficient use of space and reduces the risk of injury by allowing exercises in confined areas and facilitating accurate estimation of body movement, as the foam roller remains stationary during use.
Implementation Method 1
a stretching device, and more particularly, to a stretching device that enables a user to get stretching exercise by leaning against a foam roller
Data Source
AI summary
The present invention relates to a stretching device, and more particularly, to a stretching device that enables a user to get stretching exercise by leaning against a foam roller. A stretching device according to the present invention includes a foam roller part having a cylindrical shape with a predetermined length, disposed in parallel with the ground, and configured to be able to support a user's body by allowing the user to lie on an outer circumferential surface of the foam roller part; and a support part configured to rotatably support the foam roller part.