US Patent 7891902 Hobby servo shaft adapter

An adapter is provided for coupling an output shaft of a servo to an auxiliary shaft. The adapter includes an adapter body having a longitudinal axis extending from a first end to a second end. The adapter body includes a first bore centered on the longitudinal axis and extending into the first end a first distance. The first bore is configured to accept a portion of the auxiliary shaft. The adapter body also includes a second bore centered on the longitudinal axis and extending into the second end a second distance. The adapter also includes an engagement member positioned within the second bore. The engagement member is configured to accept and engage a portion of the output shaft of the servo.