| 摘要 |
A mechanical mode shifter is provided including an input and first and second outputs, which rotate simultaneously during a first portion of operation. The first output is coupled to the input for providing a continuous drive to the first output. Timing means including sector gears are coupled to the first output. At a preselected point in time, the timing means cause the engagement of the sector gears with other gears for the purpose of disengaging a jaw clutch and decelerating a shaft on the second output, such that the second output is driven cyclically while the first output is driven continuously.
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