Core Viewpoint - Bafang Electric (Suzhou) Co., Ltd. has recently published a patent for a "gear shifting device" aimed at the cycling vehicle sector, which introduces innovative features to enhance user experience and reduce costs [1] Group 1: Patent Details - The patent discloses a gear shifting device that includes a shifting mechanism, a shifting execution mechanism, a main shifting drive mechanism, an auxiliary shifting drive mechanism, and an output housing [1] - The shifting execution mechanism consists of a shifting rotating sleeve, a transmission seat linked circumferentially to the sleeve, a transmission ring, and a transmission torsion spring positioned between the seat and the ring [1] - The device operates in both single and dual mechanism shifting drive modes, allowing for flexibility in operation [1] Group 2: Technical Innovations - The auxiliary shifting drive mechanism provides additional torque from the gear shifting device itself to assist in the rotation of the shifting rotating sleeve when shifting is obstructed, thereby facilitating smoother shifting actions [1] - This innovation simplifies the structure significantly and reduces costs, as it does not require additional control systems [1] - The design allows for easier layout and integration within the cycling vehicle framework [1]