Patent ID: 6156974
Filing Date: 2000-12-05
Classification: F16G,H02G

Abstract:
In a chain-link raceway of the type having chain links which comprise opposing side walls and upper and lower transverse webs connecting the side walls, said links being connected to one another by an articulation linkage (3), said raceway comprising a lower portion which is approximately rectilinear and which extends into a turn-around portion of more than 180.degree., said lower portion having an upper side, said raceway also comprising an upper portion extending from said turn-around portion and having a lower side which slides at least partially on the upper side of the lower portion, said chain links being provided with guide stops which restrict relative lateral movement of said lower and upper portions of said raceway, the improvement wherein there are a plurality of guide stops (9) each in the form of a web extending in the longitudinal direction of the raceway with at least one guide stop (9) on some chain links (2) in one of said lower and upper portions (6 or 8) being disposed between a pair of guide stops (9) on webs on oppositely disposed chain links (2) in the other of said lower and upper portions (8 or 6) so that the chain links (2) are restricted against transverse displacement relative to one another.