CITIC has been granted a patent for a transmission shaft automatic connection and disengagement device. The device allows for the complete engagement and separation of gears through air cylinders, preventing reverse motor operation. The system involves a ratchet assembly and input shaft for rotation power. GlobalData’s report on CITIC gives a 360-degree view of the company including its patenting strategy. Buy the report here.

According to GlobalData’s company profile on CITIC, was a key innovation area identified from patents. CITIC's grant share as of February 2024 was 59%. Grant share is based on the ratio of number of grants to total number of patents.

Transmission shaft automatic connection and disengagement device

Source: United States Patent and Trademark Office (USPTO). Credit: CITIC Ltd

A newly granted patent (Publication Number: US11905998B2) discloses a transmission shaft automatic connection and disengagement device designed to efficiently transfer rotation power. The device comprises an output shaft connected to a transmission shaft and a gear structure, a first connection shaft with a gear structure that can engage with the output shaft, a ratchet assembly transferring rotation between two connection shafts, and an input shaft for rotation power input. The ratchet assembly includes components like a ratchet cover, baffle, ratchet, pawl, and air cylinders strategically positioned for effective operation. Additional features like chamfers on gear structures, specific numbers and distribution of air cylinders, and spline lengths ensure precise engagement and disengagement of gears.

Furthermore, the patent includes detailed claims regarding the design and functionality of the transmission shaft automatic connection and disengagement device. Specific features like the presence of baffles at the ends of connection shafts, tooth chamfers, air cylinder numbers and distribution, gaps between components, and ratchet and pawl specifications are outlined. The device's ability to ensure complete engagement and disengagement of gears, along with its compatibility with test equipment featuring a driving motor, highlights its potential applications in various industries requiring efficient transmission of rotation power. Overall, the patent provides a comprehensive insight into the innovative design and operational capabilities of the transmission shaft automatic connection and disengagement device.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.