.~.~> Vertically swinging boom having pivoted sections
DEFINITION
Classification: 212/299
Collapsible or foldable boom:
(under subclass 294) Subject matter including a boom* and means by which either the orientation of the boom or dimension of the boom can be changed to render the device more easily transportable or storable.
SEE OR SEARCH THIS CLASS, SUBCLASS:
230+, for horizontally swinging extensible booms.
264, for vertically swinging extensible booms.
348+, for extensible boom structure, per se.
SEE OR SEARCH CLASS
52, Static Structures (e.g., Buildings),
116+, for a tiltable elongated member or construction and means to tilt it about a base and subclass 646 for an open work truss, mast, or the like, having adjustably or collapsibly connected components.