Patent ID: 7854280

Claim:
A preassembly unit for the drive of an industrial truck, comprising: a fifth wheel on which the driving wheel is rotatably mounted around a horizontal axis and which on its part is rotatably mounted in a bearing member around a vertical axis; a drive motor arranged on the fifth wheel, which is coupled with a driving shaft of the driving wheel via a gearbox; a parallel rod assembly between the bearing member and a frame of the industrial truck, which permits an essentially vertical movement of the preassembly unit in relation to the frame, a spring arrangement between the bearing member and a frame-fixed section; in which at least one upper drag rod ( 46 ) of the parallel rod assembly is articulated on the lower end of a separate attachment section ( 50 ), which forms an interface with a counter-attachment position on the frame by attachment positions, and that at least one spring ( 64 ) acts between a shoulder ( 28 ) of the bearing member ( 22 ) and an abutment ( 60 ) of the attachment section ( 50 ) below the attachment positions; further in which the attachment section ( 50 ) has a bearing lug pointing downward and the shoulder of the bearing member ( 22 ) has an upper bearing lug ( 44 ) pointing upward, for the at least one upper drag rod ( 46 ), and further in which the bearing member ( 22 ) has two parallel spaced downward standing bearing lugs ( 30 , 32 ), two lower drag rods ( 34 , 36 ) of the of the parallel rod assembly are welded to a hollow pipe which is arranged between the downward standing bearing lugs ( 30 , 32 ) and through which a bearing shaft ( 42 ) extends.