Patent ID: 6929097

Claim:
A lubrication arrangement for a stage-geared gearbox configured to be arranged in a motor vehicle, said arrangement comprising: a gearbox ( 1 , 2 ) having an input shaft ( 4 ), an intermediate shaft ( 5 ) supported in a casing ( 15 , 16 , 21 ) and having at least one gear meshing with a gear on the input shaft ( 4 ); a main shaft ( 6 ) supported in the casing ( 16 , 21 ) and having gears ( 7 , 8 , 9 , 10 ) meshing with gears on the intermediate shaft, at least one gear in each pair of intermeshing gears on the intermediate shaft and the main shaft being rotatably supported on the respective shaft and lockable to that shaft ( 4 , 5 , 6 ) by means of clutch members ( 12 , 13 , 14 ); at least one gear ( 11 , 18 ) located on each of the intermediate shaft ( 5 ) and the main shaft ( 6 ) configured for providing reverse gears; a reverse gear shaft ( 20 ) supported in at least two bearing points ( 16 , 21 , 22 ) in the casing ( 21 , 22 ), a reverse intermediate gear ( 19 ) arranged on the reverse gear shaft ( 20 ) between said bearing points ( 16 , 21 , 22 ), the reverse intermediate gear ( 19 ) meshing with said two corresponding gears ( 11 , 18 ) for establishing reverse gears; and a lubrication device comprising a lubricant pump ( 24 ), said lubricant pump ( 24 ) being arranged between the said bearing points ( 16 , 21 , 22 ) for the reverse gear shaft ( 20 ).