| 摘要 |
PURPOSE: A double open door having a sliding-cum-swinging door is provided, which is advantageous for security and crime prevention by operating a door easily and to handle a locking device easily. CONSTITUTION: The double open door having a sliding-cum-swinging door comprises a sliding door and a sliding-cum-swinging door(61) having a combination instrument for sliding and swinging by forming a group with the sliding door, wherein the combination instrument for sliding and swinging comprises: an inner space containing a long width part(13), many inner sidewall rollers(15) for pressing other members and vertical insertion parts for interposing vertical rectangular column shaped other members; an upper rail(21) and a lower rail(23) located on the upper part of the inner space and the lower part of the long width part(13), and installed parallel to a floor; a post(30) sliding along the upper rail(21) and the lower rail(23) and containing a roller shaft(35) extended horizontally from the four angular points of an upper end, many upper rollers(37) moved along the upper rail(21) on an end of the roller shaft(35), many lower rollers(39) moved along the lower rails(23) from the four angular points of a lower end, many hinges(45) for coupling one door of the double open door, vertical grooves(41), and a knob fixing groove(43) for fixing the knob; and an extension post(51) moving vertically between the other member insertion part of the post(30) and the vertical insertion part of the inner space and containing a knob for vertical movement(53) installed on a contact surface with the vertical groove(41) of the post(30) and exposed to the outside to be operated by a user through the vertical groove(41).
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