Collapsible swivel chair
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Solution Overview
Problem
Conventional folding chairs are not suitable for uneven terrains and do not allow users to quickly and quietly turn to face different directions, limiting their usability for outdoor enthusiasts and sportsmen engaged in activities like hunting or bird watching.
Innovation Solution
A collapsible swivel chair with a swivel assembly, adjustable legs, and an arm lock mechanism that allows the seat to rotate independently and maintain stability on uneven surfaces, enabling silent direction changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conventional folding chair is used, then the chair is lightweight and portable, but it cannot provide stable seating on uneven terrains and does not allow users to turn to face different directions
Solution Approach 1:
The chair is divided into separate functional modules: a swivel mechanism that allows independent rotation of the seat from the leg assembly, adjustable legs that can be independently positioned, and a locking mechanism. This segmentation enables each component to address specific adaptability requirements while maintaining overall structural simplicity.
Solution Approach 2:
The chair incorporates dynamic elements including a swivel mechanism that enables rotational movement of the seat, adjustable legs that can be repositioned to accommodate uneven surfaces, and a locking mechanism that transitions between locked and unlocked states. These dynamic features allow the chair to adapt to varying terrain conditions and user directional needs.
2Ease of operation
If the chair includes a swivel assembly for rotation, then users can turn to face different directions, but the complexity of the chair structure increases
Solution Approach 1:
The swivel mechanism is integrated with the existing leg assembly and locking mechanism, combining multiple functions into a unified structure. The upper and lower hubs of the swivel mechanism work together with the locking mechanism to provide both rotational capability and structural stability, reducing the need for separate complex components.
Solution Approach 2:
The swivel mechanism is designed to operate with minimal user intervention, utilizing the natural rotation capability of the hub structure and the self-latching feature of the locking mechanism. The user simply needs to release the lock to enable swiveling, and the mechanism automatically maintains its position during rotation without requiring continuous control.
3Stability of the object's composition
If the legs are made extendable to adjust to uneven ground, then the chair provides level seating surface, but the chair complexity increases with additional locking mechanisms
Solution Approach 1:
The locking mechanism serves multiple functions: it locks the legs in their extended positions to provide stability on uneven surfaces, and it also enables the swiveling motion when unlocked. This multi-functionality reduces the need for separate locking mechanisms for each leg, simplifying the overall structure while maintaining stability.
Solution Approach 2:
The leg assembly incorporates asymmetric features that allow one leg to be locked in a fixed position to provide a stable base, while the other legs can swivel independently to adapt to uneven terrain. This asymmetric configuration enables stability and adaptability simultaneously without requiring complex locking mechanisms on all legs.
Data Source
AI summary
A chair including a swivel assembly. The chair can include three or more arms pivotally connected to the swivel assembly and selectively moveable between an open position and closed position. The chair can also an arm lock disposed on top of the swivel assembly, where the arm lock is selectively moveable between a locked position and unlocked position. The chair can also include a seat removably connected to a distal end of each arm.