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ROLLING PREVENTION MECHANISM AND VIBRATION-PROOF PEDESTAL INCLUDING THE MECHANISM
ROLLING PREVENTION MECHANISM AND VIBRATION-PROOF PEDESTAL INCLUDING THE MECHANISM
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机译：滚动预防机制和防振基座，包括机制
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摘要
PROBLEM TO BE SOLVED: To provide a rolling prevention mechanism preventing an upper pedestal of a vibration-proof pedestal from largely rolling and tilting together with a device against a giant earthquake associated with three-dimensional shaking in a horizontal direction and a vertical direction.;SOLUTION: A rolling prevention mechanism includes: a lower quake-reducing base table (21) installed on an upper face of a lower pedestal (1) of a vibration-proof pedestal (A); an upper quake-reducing base table (22) installed on a lower face of an upper pedestal (10) opposing to the lower quake-reducing base table (21); and a quake-reducing member (20) fitted into recesses (23), (24) recessed in opposing faces of the upper quake-reducing base table (22) and the lower quake-reducing base table (21). An upper part and a lower part of the quake-reducing member (20) are fitted into the recesses (23), (24), respectively, and an outer layer (20a) at least in contact with the recesses (23), (24) is constituted from an elastic member.;COPYRIGHT: (C)2014,JPO&INPIT
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