US PATENT SUBCLASS 212 / 272
HAVING MEANS TO PREVENT OR DAMPEN LOAD OSCILLATIONS


Current as of: June, 1999
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212 /   HD   TRAVERSING HOISTS

272HAVING MEANS TO PREVENT OR DAMPEN LOAD OSCILLATIONS {1}
273  DF  .~> Antisway (i.e., horizontal movements) {2}


DEFINITION

Classification: 212/272

HAVING MEANS TO PREVENT OR DAMPEN LOAD OSCILLATIONS:

(under the class definition) Subject matter including means to arrest or reduce the periodic vertical or swinging movement of the load.

SEE OR SEARCH THIS CLASS, SUBCLASS:

308, for oscillations of ship mounted crane loads.

SEE OR SEARCH CLASS

254, Implements or Apparatus for Applying Pushing or Pulling Force,

900, for winches with wave compensation damping.