(under subclass 158) Spring device in which the spring element is annular in general configuration; or is generally circular and includes within the confines of its circle an annularly arranged group of separate, spaced, finger-like formations.
SEE OR SEARCH THIS CLASS, SUBCLASS:
163, for a spring device element comprising a circular body and a plurality of extensions extending irregularly outwardly (rather than generally annularly and within the confines) thereof, so that neither the device nor the spider-like formation is generally annular.
