The present invention and creation is applied in the domain of wheel flaw detection for rail trains, simplifying the operation mode when the tread probe manipulator changes its position, and significantly enhancing the flaw detection efficiency, the stability of equipment operation, and safety.

This Chinese invention patent application was represented by Sanju Yangguang. When receiving the client's entrustment, Sanju Yangguang learned that the applicant had demands in Brazil and Thailand. Thus, the team organized in-depth discussions with the applicant on the technical scheme and conducted a global search. In combination with the Chinese Patent Law, the PCT rules, and the patent laws of the target countries, the patent application documents were completed and submitted, including the Chinese invention patent application and the PCT application respectively. After the search by the international search authority, no prior art was found that affected the novelty and inventiveness of the claims of the PCT application. The examiner issued a written opinion stating that all the claims were novel and inventive. Subsequently, Sanju Yangguang advised the applicant to submit applications in each target country as soon as possible. Later, in response to the applicant's request, considering the distribution of competitors, the applicant's market strategic planning, and the intellectual property protection environment of each country, Sanju Yangguang suggested that the applicant increase the patent layout in South Korea, Russia, Indonesia, and Turkey. Eventually, Sanju Yangguang successfully obtained patent authorizations for the applicant in South Korea, Russia, Indonesia, Turkey, Brazil, and Thailand, suppressing competitors and laying a favorable foundation for the promotion of the applicant's products in the international market.