OPENING/CLOSING DEVICE OF A SLIDING DOOR HAVING A SIMPLIFIED STRUCTURE BY REDUCING A WIDTH OF FRONT AND BACK DOORS AND FORMING A RAIL ON A FRAME OF THE FRONT DOOR

摘要

PURPOSE: An opening/closing device of a sliding door is provided to maximize visual aesthetic effect by reducing a width of the door, to prevent deviation of a rail by limiting up and down movement of the door, and to improve the quality by stabilizing sliding of the door.;CONSTITUTION: An opening/closing device comprises a door portion, a first rail portion, a second rail portion(30), a first roller portion, and a second roller portion. The door portion is installed at a front surface of a body having a storage space and comprises a front door(14) and a back door(17). The first rail portion is formed on a front frame at upper and lower parts of the door portion to slide the back door and comprises a horizontal piece and a first rail. The second rail portion is formed on a rear surface of the first rail portion to slide the front door and comprises a second rail and the housing rail. The first roller portion comprises a first vertical roller(41) which is slid on the second rail; and a first horizontal roller(42) which is slid on the housing rail. The second roller portion comprises a second vertical roller which is slid on the first rail; a third vertical roller(52) which is slid on the second rail; and a second horizontal roller(53) which is slid on the housing rail.;COPYRIGHT KIPO 2013