US PATENT SUBCLASS 212 / 315
.~ Supporting second traveling bridge

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

312  DF  TRAVELING BRIDGE {13}
315.~ Supporting second traveling bridge

DEFINITION

Classification: 212/315

Supporting second traveling bridge:

(under subclass 312) Subject matter including a second bridge* carried by the first and mounted for translational movement along the track or guide of the first bridge.