US PATENT SUBCLASS 177 / 195
.~.~ By spring


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

190  DF  EQUAL ARM TYPE {5}
194  DF  .~ With bias toward balance {1}
195.~.~ By spring {1}
196  DF  .~.~.~> Torsion bearing type


DEFINITION

Classification: 177/195

(under subclass 194) Apparatus wherein the position restoring force is supplied by a spring.