Adjustable lounger
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Solution Overview
Problem
Existing adjustable loungers do not adequately adjust the position of lower legs relative to upper legs, resulting in insufficient comfort during different seating positions.
Innovation Solution
The lounger features distinct first, second, and third axes that allow the first section to rotate relative to the frame, enabling the lower legs to be bent downward for improved comfort, with an adjusting mechanism that sets the angles between sections for optimal positioning, and incorporates these axes and mechanisms within the frame for aesthetic and functional benefits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the first, second and third axes are made equal and placed along both sections past the pivoting connections, then the structure is simplified and manufacturing is easier, but the positioning capability of lower legs relative to upper legs is insufficient
Solution Approach 1:
The patent applies asymmetry by making the first, second and third axes different from one another. Specifically, the first axis is positioned between the pivoting connections of the first and second sections, while the second and third axes are positioned differently to enable independent rotation of each section. This asymmetric configuration allows the first section to rotate relative to the second section, providing better positioning of lower legs relative to upper legs while maintaining structural feasibility
2Stability of the object's composition
If the first section remains continuously in the same position relative to the frame, then the structure is more stable and simpler, but the comfort in sitting position is reduced due to inability to adjust lower legs position
Solution Approach 1:
The patent applies dynamics by enabling the first section to rotate relative to the second section through the first axis. This dynamic capability allows the lower legs to be positioned at different angles (including bent downward position in sitting mode) while the second and third sections adjust to maintain overall structural stability. The system transitions from a static configuration to a dynamically adjustable one that adapts to different seating positions
3Shape
If the axes are placed substantially between the pivoting connections, then the aesthetic appearance is improved and the structure is more compact, but the range of motion may be limited
Solution Approach 1:
The patent applies local quality by positioning the first axis between the pivoting connections of the first and second sections, creating a compact and aesthetically pleasing appearance in that local area. Meanwhile, the second and third axes are positioned to maintain adequate range of motion for their respective sections. This localized placement of the first axis achieves aesthetic improvement without compromising the overall functionality of the lounger
Data Source
AI summary
Adjustable lounger (7) comprising a support surface (1, 2, 3) mounted onto a frame with a first section (1 ), a second section (2) and a third section (3), wherein the construction of the lounger is such that, when moving from the first position to the second position, the sections pivots relative to each other, wherein the first (1 ), second (2) and third (3) section respectively comprise a different first (8), second (18) and third (28) axis that are provided to tiltably secure at least a part of the respective sections (1, 2, 3) to the frame.