Patent ID: 6955467
Filing Date: 2005-10-18
Classification: E04H,F16F,H05K

Abstract:
1. A seismic isolation bearing assembly comprising: a frame unit including upper and lower frames that are spaced apart from each other, said upper frame being adapted to be secured to a machine body and defining a plurality of upper sub-frames, said lower frame being adapted to be secured to a foundation, on which the machine body is to be supported, and defining a plurality of lower sub-frames, each of which is aligned and cooperates with a respective one of said upper sub-frames to define a mounting cell therebetween; and a plurality of bearing units, each of which is mounted in said mounting cell defined by a respective one of said upper sub-frames and a respective one of said lower sub-frames, and each of which includes spaced apart upper and lower load plates and a bearing interposed between said upper and lower load plates, an upper bearing interposed between and in sliding contact with said upper and intermediate load plates, and a lower bearing interposed between and in sliding contact with said intermediate and lower load plates, said upper load plate being secured to the respective one of said upper sub-frames, said lower load plate being secured to the respective one of said lower sub-frames.