Patent ID: 6398687
Filing Date: 2002-06-04
Classification: F16H

Abstract:
A final reduction gear unit for transmitting a driving force transmitted from a drive shaft to axles extending transversely of a vehicle body and linking up with left and right wheels, comprising:a small diameter pinion gear being rotatively driven by receiving output rotations from said drive shaft; a large diameter ring gear meshing with said small diameter pinion gear and linking up with said axles coaxially; a housing accommodating therein said small diameter pinion gear and said large diameter ring gear; a first bearing for rotatably supporting said large diameter ring gear relative to said housing; a second bearing for rotatably supporting said small diameter pinion gear relative to said housing; and a lubricating unit lubricating said first and second bearings, said lubricating unit comprising: a gutter member provided in said housing for receiving a part of lubricating oil which is thrown up by the rotation of said large diameter ring gear so as to be supplied to said second bearing in a splashing fashion; and a lubricating oil supply path formed in said housing such as to link up with said first bearings at one end and with said gutter at the other end thereof.