.~ Diverse types of superposed metallic springs {2}
88
.~.~ Compressible coil spring loading surface supported by other spring
DEFINITION
Classification: 267/88
(under subclass 86) Device wherein the uppermost layer, composed of a series of axially loaded compressible spiral springs, is mounted on a layer composed of a different kind of spring.
SEE OR SEARCH THIS CLASS, SUBCLASS:
84, for spring panels made of diverse materials in which one layer is composed of coil-springs.
