Title:
工事用エレベーター装置
Document Type and Number:
Japanese Patent JP7268243
Kind Code:
B2
Abstract:
The present invention includes machine room unit hoisters 9a, 9b, 9c by which a machine room unit 6 is suspended from a support member provided in a hoistway so as to be movable in an ascending/descending direction. The machine room unit hoisters 9a, 9b, 9c suspend the machine room unit 6 at suspension points 21a, 21b, 21c. The machine room unit hoisters 9a, 9b, 9c are provided, supported by the support member. When viewed from a virtual horizontal plane over the machine room unit 6, distances from a center G of gravity of the machine room unit 6 to each of the suspension points are substantially equal and the center G of gravity is positioned within a region enclosed by virtual straight lines connecting each of the suspension points 21a, 21b, 21c. When viewed from a virtual horizontal plane over a working platform 5, the respective suspension points 21a, 21b, 21c of the machine room unit 6 are positioned outside a contour of the working platform 5.
Inventors:
Yuto Hino
Akitomo Igarashi
Takayuki Hagiwara
Akitomo Igarashi
Takayuki Hagiwara
Application Number:
JP2022508612A
Publication Date:
May 02, 2023
Filing Date:
March 16, 2020
Export Citation:
Assignee:
株式会社日立製作所
International Classes:
B66B9/187
Domestic Patent References:
| JP2013532104A | ||||
| JP2013220859A | ||||
| JP7033355A |
Foreign References:
| EP2284113A2 | ||||
| FR2694279A1 |
Attorney, Agent or Firm:
Polar Patent Attorney Corporation