Patent ID: 8052193

Claim:
Device in a part ( 1 , 24 ) of a mining or construction vehicle including a wear protection structure ( 3 - 9 , 14 , 25 , 27 ), which is intended to comprise a portion of the part that is subjected to wear from abrasive material during loading or dumping, and which is provided with cavities, wherein said wear protection structure is positioned such on the part that said abrasive material passes it during loading and/or dumping characterized in that said wear protection structure has cavities in the form of grooves ( 10 - 12 , 15 , 26 , 28 ) having an extension that extends at an angle to a general movement direction of abrasive material against the wear protection structure during said loading or dumping, that said grooves are widening towards an outer surface of the wear protection structure, that the extension of said grooves forms an angle of between about 75-90° with said general movement direction, and that said wear protection structure is made from a material from the group: forged steel, cast steel, rolled steel, and hard alloy steel.