Title:
SEISMIC ISOLATOR
Document Type and Number:
Japanese Patent JP2018007822
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a seismic isolator, when an earthquake occurs, capable of preventing overturn and movement of furniture and yet preventing a function of casters from being impaired.SOLUTION: A seismic isolator 10 is installed at a bottom part of an installation 30 so as to surround a plurality of casters 20 attached to the bottom part of the installation 30. The seismic isolator includes: an outer bellows body 3; an inner bellows body 4 having an inner diameter smaller than an inner diameter of the outer bellows body 3; an outer peripheral wall to be connected to a lower end of the outer bellows body 3; a lower cap 2 having an inner peripheral wall to be connected to a lower end of the inner bellows body 4; an upper cap 1 having an outer peripheral wall to be connected to an upper end of the outer bellows body 3, and an inner peripheral wall to be connected to an upper end of the inner bellows body 4 and attached to the bottom part of the installation 30; and air supply means for supplying air to a space with airtightness, formed of the outer bellows body 3, the inner bellows body 4, the lower cap 2, and the upper cap 1.SELECTED DRAWING: Figure 5
Inventors:
HAYASHI SHINICHIRO
HAYASHI WASHIO
HAYASHI KOZABURO
HAYASHI KANAKO
HAYASHI WASHIO
HAYASHI KOZABURO
HAYASHI KANAKO
Application Number:
JP2016138451A
Publication Date:
January 18, 2018
Filing Date:
July 13, 2016
Export Citation:
Assignee:
HAYASHI BUSSAN CO LTD
International Classes:
A47B97/00; A47B91/06; B60B33/00; F16F9/00; F16F9/32; F16F15/02; F16F15/023
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