| 摘要 |
The invention relates to a shaft for an operating mechanism of a circuit breaker, this shaft comprising a splined axle carrying cams (14, 15, 16) intended to cooperate with other parts of the mechanism, this shaft being intended to be carried by ball bearings and to be connected to an actuating member of the circuit breaker to move it. According to the invention, the shaft comprises a cast part (12) comprising the cams (14, 15, 16) and comprising seats (18, 20) for the ball bearings at each of its extremities, this cast part being having at its center a splined hole to receive the splined axle. |
