Underfloor guidance system for set of horizontally-moving door panels linked together has wheels on side of bottom part of door engaging top and bottom edges of rail on support brackets in underfloor pit

摘要

Each door panel (6) extends down through a narrow slot (8) between the side of the pit or channel (1) and a cover profile (7). Double-flanged wheels (5) are mounted one side of each door panel and engage the top and bottom edges of a guide and support rail (4). There are mounting brackets (3) in the pit. An extension on the bottom edge of the door fits between two upward-extending clamp jaws (2).