AUTOMATIC OPEN-CLOSE SLIDING DOOR

• Main Authors: ISHIDA KIKUO, ARIKAWA HAKUSHIN, HIRATA HIROAKI
• Format: Patent
• Language: English
• Published: 13.03.1989
• Subjects: DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; FIXED CONSTRUCTIONS; FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES; HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS; KEYS; LADDERS; LOCKS; SAFES; WINDOW OR DOOR FITTINGS

PURPOSE: To secure a wide frontage by providing a roller between both fixed and movable rails and engaging the guide roller of the upper part of a transferable sliding door with the movable rail and providing a member which comes into contact with a fixing member at the upper part of the transferable sliding door with a distance. CONSTITUTION: A movable rail 7 is laid in the longitudinal direction within a fixed rail 6 so as to be movable back and forth, and a fixing member 9 is provided at the lower front end, and a freely rolling front end roller 10 which comes into contact with the upper part of a transferable sliding door 2 is provided at the lower part. Four side rollers 8a and four lower side rollers 12 are fixed to both side faces 7a of the rear end side of the movable rail 7. A distance longer than the distance that the distance of the forward and rearward side rollers 8a is added to the moved distance of the movable rail 7 toward the closing direction is secured from the front end of the movable rail 7a and it is made transferable to the closing direction by advancement of the sliding door 2 or to the opening direction by retreat of the door within the fixed rail part 6 respectively. In this way, door cases can be made equal to each other.