| 摘要 |
A HANDS-FREE DEVICE INCLUDES A SENSOR (108), A MOTOR (604), A PILOT VALVE, A GEAR TRAIN (712), AN ARM, AND, AN OVERRIDE CONTROL (402). THE PILOT MOTOR OPENS THE PILOT VALVE WHEN AN ACTIVATION SIGNAL IS RECEIVED FROM THE SENSOR (108). THE ARM IS COUPLED TO THE GEAR TRAIN (712), AND THE OVERRIDE CONTROL (402) IS COUPLED TO THE ARM. THE OVERRIDE CONTROL (402) IS CAPABLE OF MOVING THE ARM BETWEEN A LOCKED AND UNLOCKED CONFIGURATION.
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