Support device for hard plastic shells

The patent applies the principle of beforehand cushioning by providing a secondary securing element (such as a safety latch or locking mechanism) that prevents accidental detachment of the hook from the plastic hard shell. This secondary safety feature is prepared in advance to cushion against the harmful effect of unintended disconnection, allowing the primary one-point attachment to remain simple and easy to operate while maintaining reliability through the pre-positioned safety mechanism.

The patent extracts the carrying function from complex shoulder strap systems and implements it through a simplified hip belt with hook attachment. By taking out only the essential carrying function and eliminating unnecessary components like multiple straps and buckles, the device achieves comfortable weight distribution to the hips while maintaining low complexity and avoiding interference from thick jackets.

The patent applies beforehand cushioning by incorporating a secondary safety mechanism that is ready in advance to prevent detachment. This could be a safety latch, locking clip, or redundant attachment point that provides a backup connection if the primary hook becomes loose or detaches accidentally, thus maintaining reliability without adding significant complexity to the overall device.

The patent replaces the manual mechanical support of holding the carrying handle with an automated mechanical attachment system. The hook on the hip belt automatically engages with the plastic hard shell, providing stable support without requiring manual intervention. This substitution of mechanical systems allows both hands to be free while maintaining carrying stability through the engineered attachment mechanism.