Title:
CONSTRUCTION ELEVATOR DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/095431
Kind Code:
A1
Abstract:
Provided is a construction elevator device comprising machine room unit cranes 9a, 9b, 9c that suspend a machine room unit 6 from a support member provided in a hoistway so as to be able to move in the lift direction, wherein the machine room unit cranes 9a, 9b, 9c suspend the machine room unit 6 at suspension points 21a, 21b, 21c. When viewed from a virtual horizontal plane above the machine room unit 6, the distances from the center of gravity G of the machine room unit 6 to the suspension points 21a, 21b, 21c are substantially equal, and the center of gravity G is positioned within a region enclosed by virtual straight lines connecting the suspension points 21a, 21b, 21c. When viewed from a virtual horizontal plane above a work platform 5, the suspension points 21a, 21b, 21c for the machine room unit 6 are positioned outside the contour of the work platform 5.
Inventors:
HINO YUTO (JP)
IGARASHI AKITOMO (JP)
NAKAJIMA TAKESHI (JP)
IGARASHI AKITOMO (JP)
NAKAJIMA TAKESHI (JP)
Application Number:
PCT/JP2018/041629
Publication Date:
May 14, 2020
Filing Date:
November 09, 2018
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
B66B9/187
Foreign References:
| JP2013532104A | 2013-08-15 | |||
| EP2284113A2 | 2011-02-16 | |||
| FR2694279A1 | 1994-02-04 | |||
| JPH05262475A | 1993-10-12 |
Attorney, Agent or Firm:
SHIN-YU INTERNATIONAL PATENT FIRM (JP)
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