Title:
VIBRATION CONTROL DEVICE FOR BUILDING
Document Type and Number:
Japanese Patent JP2022175886
Kind Code:
A
Abstract:
To provide a vibration control device for a building dedicated to vibration control for the building upon an earthquake allowing reduction of work force and time for replacement.SOLUTION: A vibration control device 10 is provided with three first, second, and third steel members 12, 14, 16, each of which has a flat surface adjacent to each other and overlapped in order. The three steel members have through holes 24 piercing these members, and the second steel member is in a wedge shape. A steel rod 18 penetrated in the through holes is provided. The steel rod has one end part and the other end part projected from the first and third steel members, respectively, wherein the one end part is engaged in the first steel member. Further, a spring member 20 surrounding the other end part of the steel rod placed on the third steel member and a fastening member 22 detachably attached on the other end part of the steel rod to position the spring member 20 in a compressed state. The through hole arranged in the second steel member has an expanded hole part 24a allowing the second steel member to move relatively to the steel bar.SELECTED DRAWING: Figure 1
Inventors:
NODA AGURI
SASATANI MASAMICHI
SASATANI MASAMICHI
Application Number:
JP2021082652A
Publication Date:
November 25, 2022
Filing Date:
May 14, 2021
Export Citation:
Assignee:
KUMAGAI GUMI CO LTD
UNIV TOKYO DENKI
UNIV TOKYO DENKI
International Classes:
E04H9/02; F16F15/02
Attorney, Agent or Firm:
Hidekazu Miyoshi
Masakazu Ito
Matsunaga Nobuyuki
Masakazu Ito
Matsunaga Nobuyuki