| 摘要 |
An improved differential gear mechanism is characterized by a lockout mechanism ( 63 ) operably associated with a flyweight mechanism ( 53 ) and including a lockout member ( 65, 101 ) positionable, in response to an input signal, in a normal condition and a lockout condition. In the normal condition, the lockout member ( 65, 101 ) permits a flyweight stop surface ( 57 ) to move from the retracted position to the extended position. In the lockout condition, the lockout member ( 65, 101 ) prevents the flyweight stop surface ( 57 ) from moving from the retracted position to the extended position.
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