US PATENT SUBCLASS 414 / 141.6
.~.~ By use of swinging crane

Current as of: June, 1999
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414 /   HD   MATERIAL OR ARTICLE HANDLING

137.1  DF  MARINE LOADING OR UNLOADING SYSTEM {14}
139.4  DF  .~ Marine vessel to/from shore {11}
141.6.~.~ By use of swinging crane

DEFINITION

Classification: 414/141.6

By use of swinging crane:

(under subclass 139.4) Apparatus wherein the loading or unloading structure includes an overhead beam having material transporting carriage means suspended therefrom for movement therealong wherein the beam is supported for movement about an axis normal to its longitudinal extent.