US PATENT SUBCLASS 267 / 173
.~.~ Including lever

Current as of: June, 1999
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267 /   HD   SPRING DEVICES

166  DF  COIL {6}
170  DF  .~ Including end thrust member {7}
173.~.~ Including lever

DEFINITION

Classification: 267/173

(under subclass 170) Spring device in which the end thrust member constitutes, or is associated with, means movable about a fulcrum for a thrust reaction with said spring element.