I checked the above two patent numbers on the national patent search website. zl20102 06 16853.5 is the applicant of the portable lumbar traction device Feng Guozhu. The publication date was 2011.06.29

Patent number: 20082 02279692 Not checked It has been registered but this number zl2008 2 0227969.2 has a record. The situation is as follows:

Application number: 200820227969.2 Application date: 2008.12.22 Name: Flexible belt self-locking buckle public (announcement) number: CN201323939 public (announcement) ) Date: 2009.10.14 Main classification number: A44B11/14(2006.01)I Original divisional application number: Classification number: A44B11/14(2006.01)I Issue date: Priority: Applicant (patent right): Feng Guozhu Address: 050051 Junwei Company, No. 313 Xinhua Road, Shijiazhuang City, Hebei Province Inventor (designer): Feng Guozhu; Feng Zhanying International application: International publication: Date of entry into the country: Patent agency: Shijiazhuang Guoyu Patent and Trademark Office Co., Ltd. Agent: Su Yansu Abstract The utility model discloses a flexible belt self-locking buckle. Its structure is that the top cover of the flexible belt self-locking buckle is connected to the base. The improvement is that a flexible belt tail end fixing piece is provided at one end of the base; There is a central shaft between the two side walls, and a wedge-shaped body for surrounding the free end of the flexible belt is sleeved on the central shaft. A limiting boss for pressing the wedge head of the wedge-shaped body is fixed on the base; the return handle is connected to the center shaft through a positioning pin. The side end faces of the wedges are connected. The lock buckle and the flexible strap form a set of high-quality and low-cost tightening straps

The following patent number is as follows:

02279692.4 Application date: 2002.10.22 Name: Anti-pry Ring lock publication (announcement) number: CN2583295 Publication (announcement) date: 2003.10.29 Main classification number: E05B67/22 Divisional original application number: Classification number: E05B67/22 Certificate issuance date: Priority: Applicant (patent right) : Pan Rongwu Address: Nanning Regional Film Company, No. 15 Youai Road, Nanning City, Guangxi Zhuang Autonomous Region 530001