AT Present,Our another invention patent was authorized by the US Patent Office. This patent is titled "Trolley Self-Warning Brake Wear Life Caster",and the patent number is US10,746,245 B2.
All the time,the unknowable problem of the failure of the elevator wheel brake of the supermarket trolley has not been solved. If it is not found in time, it will cause the brake of trolley caster to fail on the elevator, and seriously cause the trolley to lose control and personal injury.After many investigations and studies, the developers completed the product development in 2 years.This patent is an effective practice for the company to advocate technological innovation and technological innovation, and has high practical value.
