動吸振装置

Japanese Patent JP6958824

B2

To provide a dynamic vibration absorption device which is excellent in installation workability and whose resonance frequency can be easily adjusted.SOLUTION: A dynamic vibration absorption device 10 is installed on a ceiling 1 comprising two cradlings 2 arranged at an interval from each other and a ceiling board 5 fixed to the lower surface of the cradling 2, and comprises: dynamic vibration absorption members 21 to 23 that have a mass part 24, and an elastic part 25 extending downward from a part of the lower surface of the mass part 24; and a support member 30 that has a pair of attachment parts 31 capable of being attached to each of the two cradlings 2, and an extension part 36 extending between the pair of attachment parts 31, and supports the dynamic vibration absorption members 21 to 23. The extension part 36 has a support surface 36A that receives the lower surface of the mass part 24 with the lower end of the elastic part 25 protruding below the lower surface of the extension part 36.SELECTED DRAWING: Figure 4

JP2007046442	VIBRATION DAMPING PANEL AND VIBRATION DAMPING STRUCTURE OF BUILDING
JP2014202257	VIBRATION CONTROL STRUCTURE
JPS576141	ROTATOR WITH DAMPER

Hideo Nagamatsu
Yamada Nozomi
Tajima Taiki
Yasuto Iwamoto
Satoshi Muranishi
Takeo Uchida
Kiyoshi City, Miyake
Kumaya Kumagai
Toru Tanaka

JP2020015425A

November 02, 2021

January 31, 2020

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Sekisui House Co., Ltd.
Showa Densen Cable System Co., Ltd.
Aitec Co., Ltd.

F16F15/02; E04B9/00; E04B9/18

JP2018123669A
JP2011220396A
JP2013238306A
JP2017089307A
JP2006077517A
JP2007254959A
JP2018028177A

Etsushi Kotani
Masataka Otani
Atsushi Yamamoto

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