US PATENT SUBCLASS 212 / 224
.~ Boom mounted for guided horizontal translation (e.g., trolley mounted)


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

223  DF  HAVING HORIZONTALLY SWINGING BOOM OR BRIDGE {9}
224.~ Boom mounted for guided horizontal translation (e.g., trolley mounted)


DEFINITION

Classification: 212/224

Boom mounted for guided horizontal translation (e.g., trolley mounted):

(under subclass 223) Apparatus comprising a boom* and means on the boom or the boom support for engaging a guideway whereby the boom translates along the guideway.

(1) Note. The guideway must be of a discrete length, i.e., a railway car having a boom thereon is classified below as an ambulant apparatus.

SEE OR SEARCH THIS CLASS, SUBCLASS:

249, for other ambulant horizontally swinging booms.

317, for a horizontally swinging boom carried on a trolley which in turn moves along a traveling bridge.