US PATENT SUBCLASS 177 / 195
.~.~ By spring
Current as of:
June, 1999
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177 /
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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.