US PATENT SUBCLASS 177 / 251
.~ Adjustable load-arm connection

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

246  DF  BEAM {6}
251.~ Adjustable load-arm connection

DEFINITION

Classification: 177/251

(under subclass 246) Apparatus wherein the distance along the beam between the fulcrum and the load connection may be changed.

SEE OR SEARCH THIS CLASS, SUBCLASS:

172, for a beam having adjusting preset means for the load arm length.

236, for a counterweight type device that balances itself by shifting the fulcrum in response to load.