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

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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