Patent ID: 7191908

Claim:
Rack, comprising at least two upright elements and at least one girder element, wherein said girder element extends between said two upright elements and comprises couplers at its ends facing said upright elements, wherein at least one of said upright elements is provided with at least one coupling cam, whilst said coupler is provided with a cam-receiving groove belonging to said coupling cam, which cam-receiving groove has at least one open end and is delimited, at least partially, by a cam-supporting wall, and wherein the at least one upright element or said complementary coupler is additionally provided with at least one substantially vertically extending coupling rib, whilst the other of said at least one upright element and said coupler is provided with a rib-receiving groove belonging to the coupling rib, wherein at least one free end of substantially in the direction of the longitudinal axis of said girder element, and a free end of the cross section of said coupling rib extends substantially in the direction perpendicular to the longitudinal axis of the girder element.