(under subclass 720.1) Structure wherein the shaft has more than one axially aligned section, there being a fastener or configuration at their juncture to hold them aligned.
SEE OR SEARCH THIS CLASS, SUBCLASS:
632, for an axially extensible shaft or openwork.
738.1+, for a structure of axially aligned sections held by a coextensive shell or core.
SEE OR SEARCH CLASS
403, Joints and Connections, appropriate subclasses for rod-like members connected together and see the reference thereto in the class definition of this class (52). For example, this subclass takes connected shafts having features for resisting bending stress and other connected rod arrangements having features other than those merely fastening together ends of rod-like members.
405, Hydraulic and Earth Engineering,
250, for sections of dissimilar materials and subclass 251 for a foundation pile formed of end-to-end connected sections of similar material. 428, Stock Material or Miscellaneous Articles,
411.1, and 615+ for nonmetallic and metallic composites, respectively, defined in terms of the composition of their components.