Seismic isolation access floor assembly

Details Seismic isolation access floor assembly Seismic isolation access floor assembly

2007-11-06

2007-11-06

Chapman, Jeanette (Department: 3635)

Static structures (e.g., buildings)

Means compensating earth-transmitted force

C052S167400, C052S167500, C052S167600, C052S263000, C052S506060

Reexamination Certificate

active

11208584

ABSTRACT:
An access floor assembly includes a base floor, a substructure mounted to the base floor, a bearing plate, formed with a first cavity, mounted to the substructure and disposed at an elevated location relative to the base floor, an isolator plate, formed with a second cavity, overlying the bearing plate, a ball disposed between the bearing plate and the isolator plate contacting the first and second cavities, and a floor plate coupled to the isolator plate and together forming an access floor disposed at an elevated location relative to the base floor.

REFERENCES:
patent: 99973 (1870-02-01), Touaillon
patent: 2014643 (1935-09-01), Bakker
patent: 5452548 (1995-09-01), Kwon
patent: 5913503 (1999-06-01), Satoh et al.
patent: 2005/0241245 (2005-11-01), Tsai

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