Patent ID: 8424649

Claim:
A bearing assembly for lift chain rollers in a multiple lift mast for high-lift fork trucks, said multiple lift mast having a front end at the forward travel direction of the truck and a rear end at the rearward travel direction of the truck, said multiple lift mast comprising a fixed mast, a middle mast, and an inner telescoping mast each of which has two parallel-distanced mast profiles, wherein at an upper end of each of the two parallel-distanced mast profiles of the middle mast, a lift chain roller is mounted for each of at least one lift chain, each of said lift chain to lift the inner mast, wherein the lift chain roller is disposed in front of the inner mast, towards the front end of the truck, and crosswise to a web of the middle mast profile characterized in that a separate bearing component ( 20 , 38 ) for the lift chain roller ( 22 , 60 ) is placed onto each of the mast profiles ( 10 , 10 a , 10 b ) or onto a cross-beam joining the mast profiles from top, and is welded thereto, wherein the bearing component ( 48 ) is defined by a footing ( 54 , 66 ) of the cross-beam via which the cross-beam is attached by welding to the mast profiles ( 10 a , 10 b ) of the middle mast, and further wherein the footing ( 66 , 64 ) has disposed thereon a journal pin ( 70 ) for a guide roller.