Patent ID: 9579785
Date: 2017-02-28
CPC Classifications: B25F,Y10T

Claim:
1. A power tool comprising: a tool housing; a motor received in the tool housing; an output member; and a transmission assembly drivingly coupling the motor and the output member, the transmission assembly having a transmission housing, which is received in the tool housing, a multi-speed reduction gearset, which is received in the transmission housing, and a rear thrust washer, wherein the rear thrust washer comprises a first radially extending finger and a rear end of the transmission housing comprises a first axially extending recess open to the rear end and a first slot extending circumferentially from the first recess and closed to the rear end, wherein the first finger is received axially into the first recess and the rear thrust washer is thereafter rotated relative to the transmission housing so that the first finger is received in the first slot and engaged by a wall portion of the first slot to axially retain the rear thrust washer in the transmission housing.