Securities Star news, according to data from Tianyancha APP, Jinling Mining (000655) has newly obtained a utility model patent authorization. The patent is called \”Anti-crush Electric Door Protection Device\” and the patent application The number is CN202420036604.0, and the authorization date is January 3, 2025.
Patent abstract: This utility model relates to an anti-crowding electric door protection device, which belongs to the technical field of mine ventilation. It includes a two-fold door leaf arranged at an angle. A driving device is installed in the space at the upper end of the door leaf. The output end of the driving device is connected to a screw. The screw drives a matching slider. One end of the slider is hinged to the connecting rod, and the other end of the connecting rod is hinged. On the door leaf, a matching guide seat is installed on the lower end of the slider, and a buffer mechanism is installed on the connecting rod. The utility model provides an anti-crowding electric door protection device, which is equipped with a buffer mechanism to reduce the rigid impact on transmission parts.
Since this year, Jinling Mining has obtained three new patent authorizations. Based on the company\’s 2024 interim financial data, the company invested 10.8896 million yuan in research and development in the first half of 2024, a year-on-year increase of 56.11%.
Data source: Tianyancha APP
The above content is compiled by Securities Star based on public information and generated by intelligent algorithms (Network Information No. 310104345710301240019) and does not constitute investment advice.
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