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:
Jun. 05, 2001
Filed:
Oct. 20, 1999
Applicant:
Inventors:
Assignee:
Delta Tooling Co., Ltd., Hiroshima, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16F 1/503 ;
U.S. Cl.
CPC ...
F16F 1/503 ;
Abstract
A vibration isolator is mounted on a floor of an ambulance and includes a lower frame movably mounted on the floor and an upper frame vertically movably mounted on the lower frame via a link mechanism. The vibration isolator also includes a plurality of magnetic springs interposed between the upper and lower frames and each having a plurality of permanent magnets with like magnetic poles opposed to each other. A vertical vibration of the upper frame is restrained by the plurality of magnetic springs, and the front side of the vibration isolator is lifted upon receipt of a forward acceleration.