Run guide structure of the door of the sliding door gate and the expansion and contraction

摘要

PROBLEM TO BE SOLVED: To provide a traveling guide structure of a sliding gate door and an expandable gate door from which dust can be easily swept out. ;SOLUTION: This traveling guide structure comprises a flat rail 12 which is installed flush with an installation surface G of a gate door 3, a door 3 of a car gate etc., and an engagement groove 16 for a toppling preventive piece 8 formed along an outer edge of each flat rail 12, and a dust removing portion 21 is provided inside the engagement groove 16 and at a position where the opening/closing movement of the door is not hindered.;COPYRIGHT: (C)2001,JPO