| 摘要 |
Disclosed is an elevator door with an improved clutch device suitable for increasing clutch speed and decreasing clutch distance of a car door and a hatch door.The elevator door with an improved clutch device comprises a hatch door having a pair of clutch rollers; a car door having a pair of clutch plates; a door motor for giving force to move the car door; a reduction pulley for reducing rotating speed of the door motor; a plurality of links for converting rotation of the reduction pulley to angular movement; a cam link having one end rotatably connected to one of the links, the cam link including a curved portion having various curvatures formed at the other end thereof; and a rotating link positioned between a pair of the clutch plates, the rotating link being rotatably connected to one of the clutch plates and in contact with the other of the clutch plates, the rotating link contacting with the curved portion of the cam link at its mediate portion, wherein angular movement of the cam link pushes the rotating link along the curved portion, which brings a pair of the clutch plates into contact with a pair of the clutch rollers respectively.
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