Title:
ROTARY INERTIA MASS DAMPER
Document Type and Number:
Japanese Patent JP2020133786
Kind Code:
A
Abstract:
To provide a rotary inertia mass damper capable of being easily synchronized with a natural period in design in a case where a natural period after completion of a building is different from the natural period in design.SOLUTION: A rotary inertia mass damper 1 has a ball screw 2, a nut 3 screwed into the ball screw 2, and a rotary weight 4 that is arranged on the outer peripheries of the ball screw 2 and the nut 3 and to which the rotational movement of the nut 3 is transmitted. The rotary weight 4 has a cylindrical weight body 41 surrounding the ball screw 2 and the nut 3, and an additional weight 42 capable of being attached to the outer periphery of the weight body 41 in a detachable manner.SELECTED DRAWING: Figure 2
Inventors:
SUGIMOTO KOICHI
FUKUKITA TERU
KANBARA HIROSHI
MORIKAWA KAZUHIKO
USHIZAKA SHINYA
FUKUKITA TERU
KANBARA HIROSHI
MORIKAWA KAZUHIKO
USHIZAKA SHINYA
Application Number:
JP2019029391A
Publication Date:
August 31, 2020
Filing Date:
February 21, 2019
Export Citation:
Assignee:
SHIMIZU CONSTRUCTION CO LTD
International Classes:
F16F15/02; E04G23/02; E04H9/02; F16F7/10
Domestic Patent References:
| JP2017026074A | 2017-02-02 | |||
| JP2012037005A | 2012-02-23 | |||
| JP2010090926A | 2010-04-22 | |||
| JP2010255752A | 2010-11-11 |
Attorney, Agent or Firm:
Yasushi Matsunuma
Kenichi Kawabuchi
Nishizawa Kazumi
Kenichi Kawabuchi
Nishizawa Kazumi