Means for tightening up or shortening shrouds or other standing rigging and permanently placed, the turning of screw producing greater tension between the ends of shrouds, etc.
SEE OR SEARCH THIS CLASS, SUBCLASS:
223, for portable rigging-screws.
SEE OR SEARCH CLASS
254, Implements or Apparatus for Applying Pushing or Pulling Force,
199+, for portable implements or apparatus for tensioning flexible material from which the implements or apparatus are detached after the material is tensioned.