The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 26, 1999
Filed:
Dec. 05, 1997
Hiroshi Kurabayashi, Tokyo, JP;
Toshio Omi, Sakura, JP;
Daisuke Yaguchi, Ichikawa, JP;
Nobuyoshi Murai, Inzai, JP;
Yoshihide Uchiyama, Funabashi, JP;
Masashi Yamamoto, Shiroi-machi, JP;
Yuji Sano, Ohba, JP;
Hirokazu Yoshioka, Inzai, JP;
Takeki Shirai, Ichikawa, JP;
Hidekazu Michioka, Fujisawa, JP;
Masashi Konomoto, Tokyo, JP;
Mitsubishi Steel Mfg. Co., Ltd, Tokyo, JP;
Takenaka Corporation, Osaka, JP;
THK Co., Ltd, Tokyo, JP;
Abstract
A seismic isolator includes a lower guide rail 4 having grooves on the side surfaces thereof and fitted to an upper surface of a lower plate 1, an upper guide rail 6 having grooves on the side surfaces thereof and fitted to a lower surface of an upper plate in a direction criss-crossing the lower guide rail 4, a block body 9 clamping at its lower part the lower guide rail 4 and clamping at its upper part the upper guide rail 6, a large number of rollers interposed between the lower guide rail 4 and the block body 9 and between the upper guide rail 6 and the block body 9, a large number of balls interposed between grooves of the side surfaces of the lower guide rail 4 and the block body 9 and between grooves of the side surfaces of the upper guide rail 6 and the block body 9 and a flexible member 22 fitted between the lower surface of the upper plate and the upper surface of the lower plate 1.