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:
Mar. 03, 1992
Filed:
Mar. 19, 1990
Toshihiro Tachikawa, Yokohama, JP;
Toshio Hamano, Yokohama, JP;
NHK Spring Co., Ltd., Yokohama, JP;
Abstract
A coil spring device comprises a coil spring formed of a spiral wire having a first end and a second end, a first end support mechanism supporting the first end of the wire, and a second end support mechanism supporting the second end of the wire. The paired support mechanisms are movable relatively to each other in the axial direction of the coil spring. The first support mechanism supports the first end of the wire for rotation only around a first diametrical axis which extends toward a coil central axis. The second support mechanism supports the second end of the wire for rotation only around a second diametrical axis which extends toward the central axis.