| 摘要 |
PURPOSE: An assembly of a door sill and a sliding door is provided to have the comfort feeling of a foot and to prevent accidents such as a clash without an additional caution. CONSTITUTION: A door sill(10) is integrally formed by extruding aluminum. In burying in a hypocaust floor(1), the thickness of the door sill is same as the thickness of the hypocaust floor to agree the upper face of the door sill with the upper face of the hypocaust floor. A guide groove loading a roller(23) to be exposed downward a lower frame(30) is wider than the width of the roller. A rail(13) protruded about 2mm from the upper face of the door sill and provided with a support(15) is formed in the center of the guide groove to level the upper faces of the hypocaust floor, the door sill and the rail.
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