Hemispherical Ergonomic Chair for Spinal Alignment and Balanced Movement
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Solution Overview
Problem
Current ergonomic chairs fail to maintain proper posture while sitting, leading to back and neck pain due to deformation and lack of support for the spine, especially when leaning forward, and do not effectively promote correct spinal alignment or nerve signal transmission.
Innovation Solution
An ergonomic chair with a hemispherical seat comprising a fixed inner hemisphere and a movable outer hemisphere attached to tension springs, forming a rigid frame that maintains spinal alignment and prevents deformation, along with folding hinges and a back support that can be used as an office stretch GYM ball.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a gas-filled ball or balloon seat is used to allow lateral movement and deformation, then sitting comfort and balance are improved, but the seat deforms to accommodate poor posture and cannot maintain proper spinal alignment
Solution Approach 1:
The seat is segmented into multiple independent support points (hemispherical elements) rather than a continuous deformable surface. This allows localized adaptation to user body contours while maintaining overall structural integrity and preventing catastrophic deformation that would misalign the spine.
Solution Approach 2:
The seat combines rigid hemispherical support structures with flexible covering materials. This composite approach provides both the structural stability needed for spinal alignment and the surface compliance needed for comfort, resolving the contradiction between rigidity and flexibility.
2Stability of the object's composition
If the seat is made rigid to prevent deformation, then spinal alignment is maintained, but sitting comfort and adaptability to user posture are reduced
Solution Approach 1:
The use of hemispherical (curved) support surfaces instead of flat rigid surfaces allows better conformity to the natural curvature of the human body. This curved geometry provides stable spinal alignment while adapting to user posture through geometric compatibility rather than material deformation.
3Adaptability or versatility
If the hemispherical seat allows movement, then adaptability to user position is improved, but the seat may deform and fail to provide consistent support
Solution Approach 1:
The seat incorporates movable hemispherical elements that can dynamically adjust to user position changes. These elements move within constrained paths defined by the rigid frame, providing adaptability while the frame ensures consistent support and prevents uncontrolled deformation.
4Stability of the object's composition
If a fixed rigid frame is used to maintain posture, then spinal alignment is improved, but the chair cannot be used as a stretch GYM ball
Solution Approach 1:
The rigid frame and support structures are designed to be foldable or removable, providing full rigidity and support when needed for spinal alignment, but allowing the seat to be collapsed or reconfigured for exercise ball use. This partial application of rigidity resolves the contradiction between needing structural integrity and multi-functionality.
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 chair improves user strength, endurance, and flexibility by maintaining spinal alignment, reducing back and neck pain, and allowing for balanced movement while preventing seat deformation, thus enhancing internal organ function and providing a cost-effective solution for office use.
Implementation Method 1
a movable outer hemisphere of the hemispherical seat positioned over the fixed inner hemisphere and attached to tension springs which maintain the movable outer hemisphere in place
Implementation Method 2
The inner hemisphere is fixed to a support pole which absorbs the load from the user
Data Source
AI summary
The Ergonomic Göbelek Chair of the present disclosure is useful for avoiding work related back and neck pain associated with extended periods of time sitting by providing a hemispherical seat which promotes correct posture and spine alignment as a user sits. The hemispherical seat includes a fixed inner hemisphere, a movable outer hemisphere received by and positioned over the inner hemisphere, and a shroud enclosing a portion of the inner and outer hemispheres. Affixed to the inner hemisphere, between the inner hemisphere and the outer hemisphere, is a series of bearings which allow the outer hemisphere to move adjacent to the inner hemisphere. A locking system locks and unlocks the outer hemisphere. The Ergonomic Göbelek Chair further includes foldable back and arm rests capable of folding away from the hemispherical seat for use of the hemispherical seat as a stretch gym ball.