Title:
LIFTING DEVICE
Document Type and Number:
Japanese Patent JP2018167978
Kind Code:
A
Abstract:
To provide a lifting device for improving a transportation efficiency of a load from lower floors to upper floors of a building with multiple floors under construction.SOLUTION: A lifting device comprises two pairs of rails (18,20) extending in a vertical direction and opposing each other passed through an aperture (16) arranged on each floor of a building, a plurality of receiving platforms (22) arranged movably in a vertical direction between each pair of rails, two pairs of racks (24,26) supported respectively by two pairs of racks and extending along the rail and a pair of pinions (28) supported rotatably by each receiving platform and engaging with each pair of rack and an upper bridging mechanism (30) and a lower bridging mechanism (32) for guiding the receiving platform respectively from one of two pairs of rails to other and from other of two pairs of rail to one.SELECTED DRAWING: Figure 1
Inventors:
KUBO TAKASHI
Application Number:
JP2017068278A
Publication Date:
November 01, 2018
Filing Date:
March 30, 2017
Export Citation:
Assignee:
KUMAGAI GUMI CO LTD
International Classes:
B66B9/02; E04G21/14
Attorney, Agent or Firm:
Hidekazu Miyoshi
Masakazu Ito
Nobuyuki Matsunaga
Masakazu Ito
Nobuyuki Matsunaga