Innovative Device Design for Back Strain Relief During Heavy Lifting

Feb 06, 2026

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This project focuses on designing and constructing a novel device to alleviate back strain when lifting heavy objects. By utilizing torsion springs connected to the torso and legs, the device provides counter-force to support the body and transfer lifting forces to the legs. This design minimizes reliance on heavy motors and wall attachments, offering improved safety and portability. Future enhancements will include stronger springs, improved ergonomics, and a more powerful solenoid mechanism.

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Innovative Device Design for Back Strain Relief During Heavy Lifting

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Presentation Transcript

Torso-in Cho, Pum Sang Cho, Sung yon Chung, soo hark Jeon, sungho Vo, thinh
Advantages of Design -powered using portable power source -not tethered to wall -no heavy motors -safer
Our Project OBJECTIVE: Design and construct a device to reduce strain on the back during heavy lifting HOW: Torsion springs mechanically attached to torso and legs provide counter-force on torso and transfers forces to legs, lessening strain on back.
The Components Spring Mechanism Solenoid – Locking Mechanism
The Components (cont.) Chest Brace Leg Brace
Future Improvements Bigger solenoid Bigger rod Ergonomics Degree of freedom Weight Stronger springs Better power supply