REE Automotive has been granted a patent for a system that locks a rotatable shaft using a base member with curved slots and pins. An actuator displaces the pins to insert them into the slots, securing the shaft in place through various angular positions. GlobalData’s report on REE Automotive gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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According to GlobalData’s company profile on REE Automotive, In-wheel motor EV suspensions was a key innovation area identified from patents. REE Automotive's grant share as of February 2024 was 38%. Grant share is based on the ratio of number of grants to total number of patents.

System for locking a rotatable shaft with pins and slots

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

A recently granted patent (Publication Number: US11927228B2) discloses a system for locking a rotatable shaft, comprising a base member with curved slots, pins, and an actuator to insert the pins into the slots. The system can be part of a gear assembly or a wheel hub assembly, with the pins and slots positioned along a circle coinciding with the rotation axis of the shaft. The design allows for secure locking of the shaft at various angular positions, with minimal backlash.

Furthermore, the patent also covers a wheel drive system incorporating the locking mechanism, where the base member is part of a gear coupled to the shaft. The system includes pins, slots, and an actuator, all positioned along a circle with the same arc slot length. The wheel drive system ensures precise locking of the shaft, with the pins and slots strategically placed to provide stability and security during operation. Additionally, the design allows for easy integration with other components such as a gear housing or a motor, enhancing the overall functionality of the wheel drive system.

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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.