Title:
FLOOR LIFTING DEVICE
Document Type and Number:
Japanese Patent JP2021095790
Kind Code:
A
Abstract:
To provide a floor lifting device that does not require many jacks to move a part of the floor in the room to make a step up and down as a spectator seat, has a simpler mechanism, is not complicated in structure, and can be manufactured inexpensively.SOLUTION: A base frame 1 and a top frame 3 of the rectangular frame are supported by a cross strut 6 whose center is axially attached to an intermediate frame 2. The end of the cross strut 6 is slidably engaged with the base frame 1 and the top frame 3. Electric jacks 4 and 5 are provided between the base frame 1 and the intermediate frame 2 and/or between the top frame 3 and the intermediate frame 2.SELECTED DRAWING: Figure 1
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Inventors:
TAKEMOTO TAKESHI
Application Number:
JP2019228742A
Publication Date:
June 24, 2021
Filing Date:
December 19, 2019
Export Citation:
Assignee:
KYOEN CO LTD
International Classes:
E04H3/12; E04H3/22
Attorney, Agent or Firm:
Tsukasa Kubo