| 摘要 |
PURPOSE: An umbrella spring protection buffer is provided to protect breaking down or damage, bending of a umbrella spring shaft and cope with weather change according to the rainwater relation. CONSTITUTION: An umbrella spring protection buffer is provided to prevent breaking down or damage, bending of a umbrella spring shaft. It can protect human body itself and cope with the weather change according to the rainwater relation. Each connection part is connected to a spring buffer device shaft of an umbrella and parasol so that harden property relax of metal is the same. Adaptability is high by influencing strength reinforcement, a buffer device, a working environment. |
