| 摘要 |
A shifter is provided for an automatic transmission to enable a drive to upshift rapidly from first through to drive speed ranges during racing. The shifter includes a frame plate having a shaped aperture which provides a series of surfaces arranged in a predetermined pattern to guide a selector pin in a prearranged path during motion of a shift handle which is pivotally connected to the frame plate. The surfaces arrest motion of the handle at the completion of an upshift from one range to another to prevent inadvertent overshifting of the transmission during rapid upshifting.
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