Multi-Axis Armrest Support for Device-Use Seating
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Solution Overview
Problem
Conventional armrests in seating apparatuses are inadequate for supporting users who hold devices like phones or tablets, leading to discomfort and fatigue due to the impractical positioning of devices, which separates forearms from the armrests.
Innovation Solution
A sitting apparatus with arm supports that pivot around multiple axes, allowing lateral and vertical movement, and angular orientation adjustments to accommodate different user positions and device holdings, ensuring comfortable support for users.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional fixed armrests are used, then the structure is simple and affordable, but the user comfort and versatility are insufficient for modern device usage
Solution Approach 1:
The armrest is transformed from a fixed structure to a dynamic, multi-position structure that can pivot around multiple axes (vertical axis for lateral movement, horizontal axis for angular orientation). This allows the armrest to adapt to different user positions and device-holding postures, resolving the contradiction between simplicity and adaptability by introducing controlled mobility rather than complete complexity.
Solution Approach 2:
The armrest structure is segmented into multiple independently adjustable components that can move relative to each other around different axes. This segmentation allows each component to be optimized for specific adjustment functions while maintaining overall structural coherence, enabling versatility without proportionally increasing complexity.
2Adaptability or versatility
If armrests are designed for basic keyboard tasks, then the design is simple, but they cannot support modern device usage positions
Solution Approach 1:
The armrest is designed with multi-functionality to support various tasks beyond basic keyboard usage. By incorporating pivoting capabilities around multiple axes, the same armrest structure can accommodate traditional typing positions, modern device-holding positions (phones, tablets, laptops), and intermediate positions, achieving universality across different task types without requiring multiple separate armrests.
3Adaptability or versatility
If the armrest structure is made more complex to accommodate device usage, then versatility improves, but manufacturing cost increases
Solution Approach 1:
Rather than creating completely new complex structures for each usage scenario, the invention uses dynamic pivoting mechanisms that allow a single armrest structure to assume multiple functional configurations. This reduces the need for manufacturing multiple different armrest types, thereby controlling production costs while achieving versatility.
Data Source
AI summary
A sitting apparatus having: a frame; an upwardly facing surface on the frame for supporting a user in a sitting position; a first arm support on the frame defining a first surface against which a user's arm can be rested with the user in the sitting position on the upwardly facing surface; and a first connecting assembly acing between the frame and first arm support. The first connecting assembly and first arm support are configured so that the first arm support surface can pivot relative to the frame around at least first and second different axes to change a relationship between the first arm support surface and the frame.