Wedoany.com Report on Feb 10th, Information disclosed by the China National Intellectual Property Administration shows that Unitree Robotics Co., Ltd. recently obtained a utility model patent authorization titled "A Robot Leg Structure and a Legged Robot". The patent authorization announcement number is CN223878117U, and the application date is January 2025.
The patent abstract points out that this utility model relates to the technical field of legged robots, specifically disclosing a robot leg structure and a legged robot containing this structure. The leg structure includes a thigh member, a calf member, and a calf power unit that drives the calf member to rotate relative to the thigh member. Among them, the thigh member has an internal accommodating cavity for fixing the calf power unit, and the calf power unit is placed within this accommodating cavity.
Compared to traditional structures where the calf power unit and thigh power unit are arranged side-by-side, this utility model integrates the calf power unit inside the thigh member, effectively reducing the space occupied by the structure and improving overall compactness. This allows the body width of the legged robot to be reduced, resulting in a lighter and more compact overall structure.
According to corporate information publicly available on Tianyancha, Unitree Robotics Co., Ltd. was founded in 2016, is located in Hangzhou, Zhejiang Province, and belongs to the software and information technology services industry. The company's registered capital is approximately 364 million Chinese yuan. Data shows that Unitree Robotics has invested in 6 external enterprises, participated in 322 bidding projects, holds 261 trademark records, 190 patent records, and has obtained 14 administrative licenses.
The authorization of this patent reflects Unitree Robotics' continuous innovation in robot structural design. Its compact and integrated design approach also provides a useful reference for the development of lightweight and high-performance legged robots in the industry.
