Standing work chair for height adjustable tables
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Solution Overview
Problem
Sedentary behavior at work, particularly in office settings, leads to muscle shortening, tension, poor posture, and health issues such as headaches and back pain, which are exacerbated by the transition to standing desks due to unfamiliarity with prolonged upright standing.
Innovation Solution
A standing aid with a rotatable roller and adjustable height, designed to support the thighs, promoting ergonomic upright posture and muscle strengthening through gentle stretching exercises.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If users stand upright at a height-adjustable desk for extended periods, then productivity and posture improvement are achieved, but muscle fatigue and postural problems occur due to lack of accustomedness
Solution Approach 1:
The standing aid chair acts as an intermediary device between the user and the standing desk environment. It provides mechanical support through the backrest and thigh support, mediating the transition from sedentary to standing posture by distributing body weight and reducing the strain on leg and back muscles during extended standing periods.
Solution Approach 2:
The device enables users to self-adjust the thigh support height and backrest angle to match their individual anthropometric measurements. This self-service capability allows each user to optimize their standing posture independently, ensuring ergonomic benefits without requiring external adjustment or monitoring.
2Reliability
If users maintain a neutral zero position with proper posture, then long-term health benefits are achieved, but this requires continuous conscious effort and proper positioning
Solution Approach 1:
The backrest and thigh support mechanisms provide counterbalancing forces that offset the user's body weight and gravitational pull. This anti-weight support system maintains the neutral zero position by distributing the user's weight across multiple contact points, reducing the muscular effort required to sustain proper posture over time.
Solution Approach 2:
The adjustable design allows users to configure the support system to their individual body dimensions, creating a customized ergonomic setup that naturally guides them into and maintains the neutral zero position without requiring continuous conscious adjustment or effort.
3Ease of operation
If a standing aid device is provided to support users, then comfort and posture are improved, but device complexity increases
Solution Approach 1:
The standing aid chair is divided into distinct functional segments: a base plate for stability, adjustable thigh support components, and an independent backrest mechanism. This segmentation allows each component to be optimized for its specific function while enabling flexible adjustment and simplifying the overall structure compared to integrated designs.
Data Source
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AI summary
The invention relates to a device for assisting a person when standing at a height-adjustable table, in particular a desk, the device being designed in the manner of a standing workstation chair having a base plate on which two side parts are arranged at a distance from one another, the base plate having a standing area on which the user stands when using the device, and the side parts accommodating a roller at their upper end which lies between the side parts, the roller preferably being rotatable about its longitudinal axis, the roller being height-adjustable in such a way that it is arranged approximately 5 - 10 cm above the kneecap of the user, the roller having padding, the standing area having a non-slip surface, e.g. a felt covering or the like.