US PATENT SUBCLASS 177 / 236
.~.~ Variable fulcrum

Current as of: June, 1999
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177 /   HD   WEIGHING SCALES

201  DF  SELF-POSITIONING {9}
235  DF  .~ Counterweight type {2}
236.~.~ Variable fulcrum

DEFINITION

Classification: 177/236

(under subclass 235) Apparatus wherein the imposition of the load shifts the fulcrum point of a balancing load and counterweight to a position at which the load and counterweight moments are equal.