Self propelled elevator
AssigneeMitsubishi Denki Kabushiki Kaisha
InventorsHiroshi Kigawa, Takashi Yumura, Takenobu Honda
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Abstract
A self-propelled elevator in which a drum type winding machine is attached to a cage, and the cage is elevated along guide rails arranged in a hoistway by a first winding rope, one end of which is fixed to a top portion of the hoistway and the other end portion of which is directly wound round a winding drum sheave of the drum type winding machine. In the self-propelled elevator, the drum type winding machine is attached to a lower side of a bottom portion of the cage so that an end face of the winding drum sheave around which the first winding rope is wound is located outside an area produced by projection of the cage.
Claims11
A self-propelled elevator comprising:
- a cage;
- first and second guide rails at opposite sides of the cage for supporting the cage horizontally and guiding the cage vertically;
- a winding-drum machine including a drum, attached to a lower side of a bottom of the cage, so that an end face of the drum is located outside an area produced by projection of the cage in a direction parallel to the guide rails;
- and
- a first rope elevating the cage along the guide rails in a hoistway, a first end of the first rope being fixed to a top of the hoistway and a second end of the first rope being fixed to the drum and directly wound around the drum, wherein the cage is elevated along the guide rails only by the winding of the first rope around the drum.
Dependencies are inferred from the claim text.