Title:
LIFTING DEVICE
Document Type and Number:
Japanese Patent JP2020193089
Kind Code:
A
Abstract:
To provide a lifting device that can facilitate the lifting of heavy objects required when renewing an elevator system of an existing building.SOLUTION: The lifting device includes: guide rails 4a to 4d for staircase inclined surfaces to be installed on an inclined surface of a staircase 1; guide rails 4e, 4f for upper floor surfaces to be installed on a staircase landing or an upper floor surface; pedestals 5a to 5f to be installed at corners of the steps of the staircase 1; a trolley 6 on which a heavy object 100 is placed; and a lifting device 50 that pulls the trolley 6 via a wire rope 51. The pedestals 5a to 5f have arc-shaped support surfaces to support the guide rails 4a to 4d for staircase inclined surfaces, and are installed so that lower surfaces of the guide rails 4a to 4d for staircase inclined surfaces are separated from the corners of each step of the staircase 1. The lifting device 50 is installed between the guide rails for staircase inclined surfaces.SELECTED DRAWING: Figure 1
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Inventors:
KOSAKA HIDETAKA
YOSHIDA RYUTA
YOSHIDA RYUTA
Application Number:
JP2019100230A
Publication Date:
December 03, 2020
Filing Date:
May 29, 2019
Export Citation:
Assignee:
HITACHI BUILDING SYST CO LTD
International Classes:
B66F11/00; B66B9/06
Attorney, Agent or Firm:
Polaire Patent Business Corporation