Patent ID: 7578094

Claim:
A drive unit ( 20 ) for a power operated vehicle closure ( 12 ) comprising: a track ( 24 ), a guide ( 26 ) engaging the track for sliding movement along the track, a link ( 34 ) attached to the guide at one end and adapted to be attached to the vehicle closure at the opposite end, and a motor assembly ( 22 ) including a housing attached to the track for moving the guide along the track, the motor assembly having an electric motor ( 36 ) and a speed reducer driven by the electric motor, the speed reducer having a first speed reducing stage ( 40 , 42 , 44 ) and a second speed reducing stage ( 46 , 48 ) that is driven by the first speed reducing stage and that is drivingly connected to the guide for moving the guide along the track wherein the first stage includes a belt drive ( 40 , 42 , 44 ) and wherein the second stage is a spur gear set 46 , 48 ).