Title:
MOVABLE BLEACHERS
Document Type and Number:
WIPO Patent Application WO/2016/139792
Kind Code:
A1
Abstract:
[Problem] To provide a degree of freedom to methods for using movable bleachers. [Solution] In the present invention, movable bleachers are configured such that a plurality of tiers of floor bases move back and forth in conjunction with one another between a usage position at which the entirety of the floor bases are deployed in a staircase pattern, and a stowed position at which the entirety of the floor bases are aligned in the vertical direction, wherein the movable bleachers are characterized by being equipped with: legs for respectively supporting the plurality of tiers of floor bases so as to be movable back and forth in a horizontal state, and interlocking the floor bases by mutual engagement; a usage position altering means for extending/reducing a deployment length at which the entirety of the plurality of tiers of floor bases are deployed in the staircase pattern at the usage position, by altering mutual engagement positions; and chairs arranged side by side in a row on the floor bases, such that the front/rear direction position thereof can be altered so as to correspond to the usage position for which the deployment length has been extended/reduced.
Inventors:
YOSHIMORI AKIRA (JP)
Application Number:
PCT/JP2015/056467
Publication Date:
September 09, 2016
Filing Date:
March 05, 2015
Export Citation:
Assignee:
KOTOBUKI & CO LTD (JP)
International Classes:
E04H3/12
Foreign References:
| JPH0321775A | 1991-01-30 | |||
| JPS6254153U | 1987-04-03 | |||
| US20080164736A1 | 2008-07-10 |
Attorney, Agent or Firm:
GINZA MARONIE P. C. (JP)
Patent business corporation Ginza horse chestnut patent firm (JP)
Patent business corporation Ginza horse chestnut patent firm (JP)
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