Description

The CDYB-EP is a fully mechanical (passive) back-support exoskeleton designed for industrial work scenarios involving repetitive material handling, bending, and forward-lean postures. Crimson Dynamics describes the structure as a bionic frame inspired by the human spine, using a simplified geometry that generates assistive torque as the user bends, and a built-in differential mechanism that enables a “low-resistance state” for activities such as walking, running, squatting, and climbing, then engages to provide assistance during bending.

In published product descriptions, the device is listed at 2.4 kg (5.3 lb) total weight and a “25 kgf” average back-muscle supporting level (≈ 245 N (55 lbf)), alongside claims of reducing back muscle stress by ~25% during lifting and up to 60% for bending postures. The manufacturer also notes that CDYB-EP is not designed to increase the user’s strength and advises users not to attempt loads beyond their personal capacity; it also mentions that some adaptation time may be required. As an entirely passive system, it requires no batteries or external power. It is made of carbon fiber and an aluminum alloy. A built-in differential mechanism facilitates suitable assistance for the various work tasks. The suit can switch to a “low-resistance state” while walking or running and will reengage and provide assistive torque when bending forward.

Specifications:

• 2.4 kg (5.3 lb)
• Reduce the stress on the back by 25%
• Reduce back muscle activation by up to 60% during forward lean and static hold poses.
• Even though it is a passive device, most users will need some time to adapt.

“CDYB-EP is not designed to increase the strength of users. The supporting force provided by the exoskeleton can reduce the load on the muscle skeleton of the lower back. Increase the working efficiency while protecting users. DO NOT try to lift a heavy load which [is] beyond the user’s capacity.”

DL Crimson Dynamics Technology Co., Ltd. Building 2. Room 906, No.32 Huoju Road, High-tech Zone, Dalian, China – website

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