Segmented Exercise Bench Back Support for Shoulder Presses
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Solution Overview
Problem
Traditional adjustable exercise benches with a single, long back support restrict shoulder movement during shoulder press exercises due to the back support extending against the user's shoulders.
Innovation Solution
The exercise bench features a back support divided into an upper and lower section, allowing independent adjustment of the lower back support to provide unrestricted shoulder movement during exercises like shoulder presses, with additional mechanisms for adjusting the seat and back support angles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a single long back support is used, then the bench can provide full back support, but the shoulders are restricted during shoulder press exercises
Solution Approach 1:
The back support is divided into two separate portions: an upper back support and a lower back support. This segmentation allows the lower back support to be adjusted independently to various angles while the upper back support remains in position, providing shoulder freedom during presses while maintaining full back support capability when both portions are adjusted together.
2Adaptability or versatility
If the back support is adjusted to various angles for different exercises, then exercise versatility is improved, but the pressing position location may change
Solution Approach 1:
By segmenting the back support into upper and lower portions that can be adjusted independently, the system allows the lower back support to be angled for leg extension exercises while the upper back support maintains the pressing position location, enabling multiple exercise positions without compromising pressing accuracy.
3Ease of operation
If the lower back support is adjusted separately, then shoulder freedom is improved, but the back support structure becomes more complex
Solution Approach 1:
The back support is segmented into independently adjustable upper and lower portions, each with its own adjustment mechanism. This allows the lower back support to be adjusted separately for shoulder press exercises while maintaining the ability to adjust both together for other exercises, providing operational flexibility without requiring a completely complex reconfigurable structure.
Data Source
AI summary
An adjustable exercise bench comprising: a back support coupled to a seat support, the back support is adjustable between a generally horizontal position and an inclined position, the back support having a first support portion and a second support portion, wherein the first support portion and the second support portion are adjustable together, or the second support portion is separately adjustable from the first support portion, between the generally horizontal position and the inclined position.