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:
Apr. 27, 1999
Filed:
Sep. 17, 1997
Togo Seisakusyo Corporation, Aichi, JP;
Aisin Seiki Kabushiki Kaisha, Aichi, JP;
Abstract
A spring assembly comprising an inner ring spring and an outer ring spring suitable for use in a safety device for an automobile power window is provided. The inner ring spring is formed by substantially circularly bending a strip spring so that both ends thereof are away from each other and the outer ring spring is formed by substantially circularly bending a strip spring so that both ends thereof are away from each other, the outer ring spring being fitted with the inner ring spring. Stoppers are provided in the vicinity of one ends of the inner and outer ring springs respectively. Each stopper is engaged with the other end of other ring spring, thereby holding one end side of each ring spring in such a condition that one end side of each ring spring is resiliently abutted against one end side of other ring spring.