Patent ID: 7874569

Claim:
A displacement device for fifth wheel couplings, comprised of: two base bars and an upper part or upper carriage wherein the upper part or upper carriage bears the fifth wheel coupling, wherein said upper part is comprised of two bearing blocks which are mounted so as to be slidable on the base bars wherein each of which bearing blocks, when in a locked position, engages one of the base bars by means of locking pieces; wherein at least one of the base bars has catch openings disposed at distances along its axial extent, and wherein the catch openings serve to accommodate the locking piece(s) wherein each of the base bars is in the form of a C-profile of unit construction having a vertical web member which joins to an upper leg member and a lower leg member at its respective edges, wherewith the catch openings are disposed in said vertical web member, wherein the lower leg member has attachment openings.