| 摘要 |
PROBLEM TO BE SOLVED: To provide a door for an external cover of a facility machine which can determine the locus of a door in an opening/closing operation, reduce the weight, facilitate the operation, realize the safe opening/closing operation, and reduce a working space. SOLUTION: The door comprises a first lid 30 rotatably supported by a facility and comprising a plate 35 and a frame to hold the plate in all directions thereof, a second lid 10 rotatably supported by the first lid 30 and comprises a resin plate 15 and a frame to hold the resin plate from all directions thereof, a damper 55 to support the first lid 30 in the door open condition, and a link 53 set so that the second lid 10 and the first lid 30 are folded in the door open condition. The frames 12 and 14 located on the right and left sides of the second lid are formed convex or concave arc shape with respect to the facility, and preferably holds the resin plate 15 with an electromagnetic wave shield stuck t at least one surface in an arc shape. A handle 60 is provided on both inner and outer sides of the door, the handles 60 are formed in a ring-shape and movable both inward and outward to improve the opening/closing operability. |
