| 摘要 |
PROBLEM TO BE SOLVED: To provide a base isolation support having a pull-off preventing function and a restoring function for preventing pull-off wobbling specific to a gravity restoring type base isolation device with a pull-off preventing function. SOLUTION: An upper member 4-a having a downward recessed sliding face forms a sliding member having a sliding hole slit laterally, and a lower member 4-b having an upward recessed sliding face forms a sliding member having a sliding hole slit laterally. The sliding members can slide in mutually intersecting directions in a state of being engaged with their sliding holes. COPYRIGHT: (C)2009,JPO&INPIT
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