PURPOSE: To easily adjust the height and inclination of a sliding door suspended from a door rail.

CONSTITUTION: Door suspenders 45, 46 are provided at the upper end of a sliding door 43. The door suspender 45, 46 is composed of a door-suspending metal 47 fixed at the sliding door 43 and an adjusting metal 51. A long fitting hole 49 is vertically formed on the door-suspending metal 47. The door-suspnding metal 47 is fastened with the adjusting metal 51 by a bolt 53 through the long fitting hole 49. A roller 56 mounting on a door rail 10 is provided in the adjusting metal 51. Upper walls 47b, 51b horizontally bent are formed at the respective upper ends of the door-suspending metal 47 and the adjusting metal 51. An adjusting bolt 54 is provided at the upper wall 47b.