US PATENT SUBCLASS 177 / 168
.~ Spring support

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

164  DF  PRESET {7}
168.~ Spring support {2}
169  DF  .~.~> Effective length of spring
170  DF  .~.~> Lever

DEFINITION

Classification: 177/168

(under subclass 164) Apparatus wherein the fixed end of a load offsetting spring is adjustable.