(under subclass 230.17) Subject matter wherein the arm has a means to apply a force either (a)between the segments to keep the segments at the proper position relative to each other, or (b) between (1) the arm and the another structure, or (2)the arm and the marine vehicle, to keep the arm at the proper position.
SEE OR SEARCH CLASS
267, Spring Devices, appropriate subclasses, for springs or spring structures, per se.
403, Joints and Connections, appropriate subclasses, especially
166, for articulated members which are axially spring-biased coaxial members.
