Dual drive gear shift assembly for vehicle gearbox

A dual drive gear shift assembly for a vehicle gearbox, the dual drive gear shift assembly comprising:

• a shift cam housing having at least one slot residing therein, the at least one slot having a circumferential open end configured to receive circumferential insertion of a tab;
• a sensor plate situated adjacent a periphery of the shift cam housing;
• a dual drive gear situated adjacent the periphery of the shift cam housing and adjacent the sensor plate;
• and
• a thrust washer having a washer main body and at least one tab extending radially inboard from the washer main body, the thrust washer situated adjacent the periphery of the shift cam housing and adjacent the dual drive gear, the at least one tab received in circumferential open end the at least one slot of the shift cam housing and thereby constraining axial movement of the thrust washer with respect to the shift cam housing and restricting axial movement of the dual drive gear in one axial direction.

A dual drive gear shift assembly for a vehicle gearbox, the dual drive gear shift assembly comprising:

• a shift cam housing, at least one slot residing in the shift cam housing and at least one cutout residing in the shift cam housing;
• a sensor plate situated adjacent a periphery of the shift cam housing;
• a dual drive gear situated adjacent the periphery of the shift cam housing, the dual drive gear and sensor plate being attached to each other, the dual drive gear having at least one axially-extending projection;
• a thrust washer situated adjacent the periphery of the shift cam housing and having at least one radially-extending tab;
• and
• a base cam having at least one radially-extending boss;
• wherein, in assembly of the dual drive gear shift assembly, the at least one radially-extending tab of the thrust washer is received in the at least one slot of the shift cam housing and the at least one radially-extending boss of the base cam is received in the at least one cutout of the shift cam housing such that the at least one radially-extending boss of the base cam constrains unwanted circumferential movement of the thrust washer relative to the shift cam housing.