Title:
SMOKEPROOF HANGING WALL
Document Type and Number:
Japanese Patent JP2015100566
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To suppress breakage and destruction even on the occurrence of earthquakes.SOLUTION: A smokeproof hanging wall 100 includes: a stationary wall 10 that is provided in such a manner as to hang from a ceiling; a rotary door 20 that is arranged in such a manner as to continue into the stationary wall 10 and that is pivotally supported in such a manner as to be rotatable in a part 21V on the other side of a part 21U continuing into the stationary wall 10; and urging means that imparts a rotational force to the rotary door 20 and that rotates the rotary door 20 in a direction in which the part 21U, continuing into the stationary wall 10, of the rotary door 20 gets close to the stationary wall 10.
Inventors:
TAKEMOTO NORIAKI
Application Number:
JP2013244130A
Publication Date:
June 04, 2015
Filing Date:
November 26, 2013
Export Citation:
Assignee:
TAKASHIMA CORP
International Classes:
A62C2/06; E04B2/74
Domestic Patent References:
| JP2013099422A | 2013-05-23 | |||
| JPS61196083A | 1986-08-30 | |||
| JP2009068314A | 2009-04-02 | |||
| JPH10220104A | 1998-08-18 | |||
| JPS4959342U | 1974-05-24 | |||
| JPH0960414A | 1997-03-04 | |||
| JPH09137668A | 1997-05-27 | |||
| JPS57190073U | 1982-12-02 |
Foreign References:
| GB2188090A | 1987-09-23 |
Attorney, Agent or Firm:
Fukami patent office
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