| 摘要 |
A compound transmission defining main and auxiliary gearboxes includes an auxiliary shift rail extending into both gearboxes for effecting joint interlock of the two units. The auxiliary shift rail includes an interlock bracket for actuation of a shift interlock element contained within the main gearbox. In a preferred embodiment, the bracket contains a pair of recesses disposed for engaging an interlock plunger, the recess having an angularly offset axis, perpendicular to but not intersecting the axis of the auxiliary shift rail. In another preferred embodiment, the bracket couples the auxiliary shift rail with a second axially spaced shift rail whereby axial movement of the auxiliary shift rail effects like movement of the second shift rail, the latter rail containing a pair of interlock plunger-receiving recesses.
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